CN121754340A - Implant device - Google Patents

Abstract

This application provides an implanter, including: an implantation part, a clamping part, an opening and closing assembly, a cannula assembly, and a driving part. The implantation part includes a proximal end and a distal end; the clamping part includes a clamping arm for clamping the material to be implanted; the opening and closing assembly includes an unfolding arm disposed at the distal end; the cannula assembly is sleeved on the outside of the implantation part and is used to wrap the clamping arm, the unfolding arm, and the implanted material; the driving part housing is provided with a first rotating member, a second rotating member, a third rotating member, a first connecting member, a second connecting member, and a third connecting member. The first connecting member is wound around the first rotating member and connected to the clamping arm for driving the clamping arm to clamp the material to be implanted; the second connecting member is wound around the second rotating member and connected to the cannula assembly for driving the cannula assembly to move in a direction away from the distal end; the third connecting member is wound around the third rotating member and connected to the unfolding arm for driving the unfolding arm to unfold. This design simplifies the implanter structure, facilitates operation and use, and improves the surgical application efficiency of the implanter.

Description

Implant device

Technical Field

The application relates to the technical field of medical instruments, in particular to an implanter.

Background

With the rapid development of minimally invasive endoscopic techniques in the clinic, more and more joint surgeons choose minimally invasive ways to treat joint diseases. Arthroscopic surgery is the process of performing an intra-patient operation in a tight and tight space within a patient by forming one or more portals directly in the patient's body, and inserting one or more cannulated instruments through a small incision into the patient. For example, clinically seen tendon injuries, to enhance repair, promote tendon healing, physicians often need to implant a biological or synthetic patch at the site of tendon lacerations through an implant. However, in minimally invasive surgery, there is a need to solve the problems of reliability of use and cumbersome operation procedure of the implanter.

Disclosure of Invention

The embodiment of the application provides an implanter, which aims to improve the operation convenience of the implanter.

An embodiment of the application provides an implanter, which comprises an implantation part, a clamping part, an opening and closing assembly, a sleeve assembly and a driving part. The implantation part is arranged in an extending mode along a first direction, the implantation part comprises a proximal end and a distal end which are oppositely arranged along the first direction, the clamping part comprises a clamping arm which is arranged at the distal end and used for clamping a material to be implanted, the opening and closing component comprises a spreading arm which is arranged at the distal end, the sleeve component is sleeved outside the implantation part and movably arranged at the distal end along the first direction, the sleeve component is used for wrapping the clamping arm, the spreading arm and the material to be implanted, an opening is formed in one end, which is opposite to the proximal end, of the sleeve component, the driving part is arranged at the proximal end, the driving part comprises a shell, a first rotating piece, a second rotating piece, a third rotating piece, a first connecting piece, a second connecting piece and a third connecting piece are arranged in the shell, the first connecting piece is wound on the first rotating piece and connected with the clamping arm, the first rotating piece is used for driving the clamping the material to be implanted, the second connecting piece is wound on the second rotating piece and connected with the sleeve component, the second rotating piece is used for driving the sleeve component to move along the direction which is opposite to the distal end, and the third connecting piece is wound on the third rotating piece and connected with the third rotating piece for driving the spreading arm.

According to the embodiment of the application, the second rotating member and the third rotating member are arranged side by side along the second direction, the driving gear and the transmission gear which are meshed with each other are arranged in the shell, the driving part further comprises a first trigger, the first trigger is meshed with the driving gear and used for driving the driving gear to rotate, the transmission gear is positioned on one side of the driving gear, which is close to the second rotating member and the third rotating member, the transmission gear is movably arranged along the second direction, so that the transmission gear can be switched between meshing the second rotating member and the third rotating member, and the first direction and the second direction are intersected.

According to the embodiment of the application, the first trigger is positioned outside the shell and extends into the shell, the first trigger is used for driving the driving gear to rotate along a first rotating direction, so that the driving gear drives the second rotating member and the third rotating member to rotate along the first rotating direction, the second rotating member is rotated and wound around the second connecting member along the first rotating direction to drive the sleeve assembly to move along the direction away from the distal end, the third rotating member is rotated and wound around the third connecting member along the first rotating direction to drive the unfolding arm to unfold, the implant further comprises a first rotation stopping member, the first rotation stopping member is positioned in the shell, and the first rotation stopping member is abutted with the driving gear to limit the driving gear to rotate along the reverse direction of the first rotating direction.

According to the embodiment of the application, the first mounting holes are formed in two sides of the shell along the second direction, the connecting rods are arranged on two sides of the transmission gear along the second direction, two ends of the connecting rods are respectively correspondingly arranged in the two first mounting holes, the two ends of the connecting rods are exposed through the first mounting holes, and the connecting rods are configured to enable the transmission gear to move along the second direction by pressing the connecting rods.

In accordance with an embodiment of the present application, the implant further comprises a cutting assembly comprising a blade within the housing, the blade being movably disposed for cutting at least one of the first, second and third connectors.

According to the embodiment of the application, the shell is provided with the first sliding groove extending along the third direction, the cutting assembly comprises the cutting button positioned outside the shell, the cutting button is movably arranged on the first sliding groove along the third direction, the cutting button is connected with the blade through the first sliding groove, the first connecting piece, the second connecting piece and the third connecting piece are positioned on the same side of the blade along the third direction, and the first direction and the third direction are intersected.

According to an embodiment of the application, a receiving cavity is provided in the implant, the receiving cavity penetrates the implant in a first direction, the proximal end of the implant extends into the housing, the receiving cavity is communicated with the housing, the first connecting piece is connected with the clamping arm through the receiving cavity from the proximal end, the third connecting piece is connected with the unfolding arm through the receiving cavity from the proximal end, and the second connecting piece is located outside the implant, extends from the proximal end towards the distal end along the outer wall of the implant and is connected with the sleeve assembly.

According to an embodiment of the application, the cutting surface formed by the movement of the blade in the third direction is arranged adjacent to the proximal end of the implant in the first direction.

According to an embodiment of the present application, the implant further includes a second trigger extending from the housing into the housing, the second trigger being configured to drive the first rotating member to rotate in a second rotation direction, the first rotating member being configured to rotate in the second rotation direction around the first connecting member to drive the clamping arm to clamp the material to be implanted.

According to an embodiment of the present application, the implant further includes a second rotation stop member, the second rotation stop member being located in the housing, the second rotation stop member being movably disposed, the second rotation stop member including a rotation stop reed, the second rotation stop member being moved to abut against the first rotation stop reed for limiting rotation of the first rotation stop member in a direction opposite to the second rotation direction, the second rotation stop member being moved to a position spaced apart from the first rotation stop reed, the first rotation stop member being rotatable in a direction opposite to the second rotation direction to release the material to be implanted.

According to the embodiment of the application, the second trigger is provided with a second ratchet, the second ratchet is movably connected with the second trigger, the second ratchet extends towards the first rotating member, the end part of the second ratchet, which is close to the first rotating member, is provided with a pulling bolt, the second rotating member further comprises a loosening plate, the loosening plate is abutted with the pulling bolt and used for pulling the second ratchet to separate from the first rotating member, the loosening plate and the rotating-stopping reed are synchronously and movably arranged so that the first rotating member can be switched between a first state and a second state, the rotating-stopping reed and the second trigger are abutted with the first rotating member, the first rotating member can rotate in the second rotating direction, the rotating-stopping reed and the first rotating member are arranged at intervals, the loosening plate is used for pulling the pulling bolt to the second ratchet and the first rotating member at intervals, and the first rotating member can rotate in the opposite direction of the second rotating direction.

In an embodiment of the application, the first connecting piece is wound on the first rotating piece and is connected with the clamping arm, the first rotating piece is rotated to wind the first connecting piece, the first connecting piece moves towards the direction away from the distal end so as to drive the clamping arm to clamp the material to be implanted, the clamping arm clamps the patch to extend into a human body when the clamping arm stretches into the rotator cuff tearing position, and the clamping arm releases the patch when the clamping arm reaches the rotator cuff tearing position. The sleeve component is arranged at the distal end, the patch is curled and then is clamped by the clamping arms to keep a curled state, the clamping arms clamp the patch to extend into the sleeve component, and in the process that the clamping arms clamp the patch to extend into the rotator cuff tearing position through a tiny incision on a human body, the sleeve component mutually separates human tissues from the patch and the clamping arms, so that the patch is extruded and rubbed with the human tissues to separate from the clamping arms in the process that the patch enters the human body. And the sleeve component is of a tubular structure, so that friction force between the sleeve component and human tissues is reduced, and the patch is ensured to smoothly enter the rotator cuff tearing position. The sleeve assembly is provided with the opening in the one end of proximal end dorsad, and the second connecting piece winds in the second and rotates the piece and be connected with the sleeve assembly, and the second rotates the piece and rotates the second connecting piece of winding, and the second connecting piece moves and pulls the sleeve assembly along deviating from distal end direction synchronous movement towards deviating from distal end direction, and arm lock and patch break away from the sleeve assembly through the opening, and the arm lock releases the patch afterwards. The third rotating member rotates to wind the third connecting member to pull the unfolding arm to unfold towards the direction away from the distal end, and the unfolding arm unfolds the patch to spread the patch, so that the subsequent operation steps can be performed. The first connecting piece is coiled through the first rotating piece, the second connecting piece is coiled through the second rotating piece, the third connecting piece is coiled through the third rotating piece, the operation from clamping, pipe releasing and flattening can be achieved, the operation flow is simplified, the operation time is obviously shortened, the complexity of driving parts can be reduced, the cost is saved, and the reliability of an implanter is improved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading the following detailed description of non-limiting embodiments thereof, taken in conjunction with the accompanying drawings in which like or similar reference characters designate the same or similar features.

FIG. 1 is a schematic view of an implant according to an embodiment of the present application;

FIG. 2 is a schematic view of an internal structure of an implanter according to an embodiment of the present application;

FIG. 3 is a schematic view of a partial structure of an implanter according to an embodiment of the present application;

FIG. 4 is a schematic view of a partial construction of another implant according to an embodiment of the present application;

FIG. 5 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 6 is a schematic view of a cutting assembly of an implanter according to an embodiment of the present application;

FIG. 7 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 8 is a schematic view of a sleeve assembly of an implanter according to an embodiment of the present application;

FIG. 9 is a schematic view of a sleeve structure of an implanter according to an embodiment of the present application;

FIG. 10 is a schematic view of a locking tube structure of an implanter according to an embodiment of the present application;

FIG. 11 is a schematic view of a connecting tube body of an implanter according to an embodiment of the present application;

FIG. 12 is a schematic view of a connecting tube structure of an implanter according to an embodiment of the present application;

FIG. 13 is a schematic view of the distal structure of an implant portion of an implant according to an embodiment of the present application;

FIG. 14 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 15 is a cross-sectional view of a sleeve assembly of an implanter provided by an embodiment of the present application;

FIG. 16 is a cross-sectional view of a sleeve assembly of another implant provided by an embodiment of the present application;

FIG. 17 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 18 is a schematic view of a clamping portion of an implanter according to an embodiment of the present application;

FIG. 19 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 20 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 21 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 22 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 23 is a schematic partial view of yet another implant provided in accordance with an embodiment of the present application;

FIG. 24 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 25 is a schematic view of a folded state of an unfolding arm according to an embodiment of the present application;

FIG. 26 is a schematic view of a deployment arm in a deployed state according to an embodiment of the present application;

FIG. 27 is a schematic view of an alternative embodiment of the present application;

FIG. 28 is a schematic view of an alternative embodiment of the present application;

FIG. 29 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 30 is a schematic view of a folded state of an unfolding arm according to an embodiment of the present application;

FIG. 31 is a schematic view of yet another deployment arm deployment state provided by an embodiment of the present application;

FIG. 32 is a schematic view of yet another deployment arm deployment state provided by an embodiment of the present application;

FIG. 33 is a schematic view of a folded state of an unfolding arm according to an embodiment of the present application;

FIG. 34 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

FIG. 35 is a schematic view of a partial construction of yet another implant provided in accordance with an embodiment of the present application;

Fig. 36 is a schematic view showing a partial structure of yet another implanter according to the embodiment of the present application.

Reference numerals illustrate 10 the material to be implanted; 100, an implantation part; 101, a proximal end; 102, distal end, 103, receiving cavity, 113, bent edge, 120, first fixing plate, 130, second fixing plate, 140, first rotating shaft, 150, second rotating shaft, 200, clamping portion, 210, clamping arm, 240, guiding portion, 241, guiding groove, 250, fixed shaft, 290, avoiding hole, 300, sleeve assembly, 301, opening, 310, sleeve, 311, grommet, 312, water through hole, 320, connecting tube, 330, connecting tube body, 331, tooth buckle, 340, locking tube, 341, flange portion, 342, connecting hole, 400, opening and closing assembly, 410, expanding arm, 411, first expanding arm, 412, second expanding arm, 500, driving portion, 510, housing, 511, first mounting hole, 512, first sliding groove, 513, second sliding groove, 520, first rotating member, 520a, second ratchet wheel, 521, first connecting member, 522, second rotating spring gear shaft, 522b, releasing plate, 522c, rotating button, 523, guiding shaft, 330, connecting tube body, 331, tooth buckle, 340, locking tube, 341, flange portion, 342, connecting hole, 400, opening and closing assembly, 410, expanding arm, 411, first expanding arm, 412, second expanding arm, 500, driving portion, 510, housing, 511, first mounting hole, 512, first sliding groove, 513, second sliding groove, 520, first rotating member, 520a, second ratchet wheel, 521, first connecting member, 521, first connecting rod, first rotating member, 522, second ratchet wheel, 522, second connecting rod, second ratchet wheel, 522, second connecting member, second rotating member, 522, release plate, 522, second rotating plate, third rotating plate, guide, 522, third rotating plate, guide, rotating plate, second rotating plate, guide to the, and a third direction.

Detailed Description

Features and exemplary embodiments of various aspects of the application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present application, and the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the description of the present application, it should be noted that, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the embodiment of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted" and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, integrally connected, directly connected, or indirectly connected, for example. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 5, an implant according to an embodiment of the present application includes an implant part 100, a clamping part 200, an opening and closing assembly 400, a cannula assembly 300, and a driving part 500. The implant 100 extends along a first direction X, the implant 100 comprises a proximal end 101 and a distal end 102 which are oppositely arranged along the first direction X, the clamping part 200 comprises a clamping arm 210, the clamping arm 210 is arranged at the distal end 102 and used for clamping a material 10 to be implanted, the opening and closing assembly 400 comprises an unfolding arm 410, the unfolding arm 410 is arranged at the distal end 102 and positioned in the sleeve assembly 300, the sleeve assembly 300 is sleeved outside the implant 100, the sleeve assembly 300 is movably arranged at the distal end 102 along the first direction X, the sleeve assembly 300 is used for wrapping the clamping arm 210 and the unfolding arm 410, an opening 301 is arranged at one end, opposite to the proximal end 101, of the sleeve assembly 300, of the driving part 500 is arranged at the proximal end 101, the driving part 500 comprises a shell 510, a first rotating member 520, a second rotating member 530, a third rotating member 540, a first connecting member 521, a second connecting member 531 and a third connecting member 541 are arranged in the shell 510, the first rotating member 520 is connected with the clamping arm 210, the first rotating member 520 is used for driving the clamping arm 210, the material 10 to be coiled, the second rotating member 531 is connected with the third rotating member 530 is connected with the third rotating member 521, the third rotating member 541 is connected with the third rotating member 300 along the direction 541, and the rotating member is used for driving the rotating the sleeve assembly 300 to be coiled and is connected with the third rotating member 300 to the third rotating member 300 along the direction opposite to the third rotating member 541.

In this embodiment, the distal end 102 of the implant 100 faces and enters the rotator cuff tear of the human body through a small incision formed in the skin of the human body, the clamping part 200 includes a clamping arm 210, the clamping arm 210 is disposed at the distal end 102, the clamping arm 210 is used for clamping the material 10 to be implanted, the material 10 to be implanted can be a patch, the first connecting member 521 is wound around the first rotating member 520 and connected with the clamping arm 210, the first rotating member 520 rotates around the first connecting member 521, the first connecting member 521 moves towards the direction away from the distal end 102 so as to drive the clamping arm 210 to clamp the material 10 to be implanted, the clamping arm 210 clamps the patch to extend into the human body when the clamping arm 210 reaches the rotator cuff tear position, and the clamping arm 210 releases the patch.

The sleeve assembly 300 is arranged at the distal end 102, the patch is curled and then clamped by the clamp arms 210 to keep a curled state, the clamp arms 210 clamp the patch to extend into the sleeve assembly 300, and in the process that the clamp arms 210 clamp the patch to extend into the rotator cuff tearing position through a tiny incision on a human body, the sleeve assembly 300 mutually spaces human tissue from the patch and the clamp arms 210, so that the patch is prevented from being squeezed and rubbed with the human tissue to separate from the clamp arms 210 in the process of entering the human body. Moreover, the tubular configuration of sleeve assembly 300 helps to reduce friction with human tissue and ensures that the patch successfully enters the rotator cuff tear position.

The sleeve assembly 300 is movably arranged at the distal end 102 along the first direction X, an opening 301 is arranged at one end of the sleeve assembly 300, which faces away from the proximal end 101, the second connecting piece 531 is wound around the second rotating piece 530 and is connected with the sleeve assembly 300, the second rotating piece 530 rotates to wind the second connecting piece 531, and the second connecting piece 531 moves towards the direction away from the distal end 102 to pull the sleeve assembly 300 to synchronously move along the direction away from the distal end 102. After the simultaneous entry of the cannula assembly 300, the clip arms 210 and the patch into the rotator cuff tear position, the cannula assembly 300 is moved in the first direction X toward the proximal end 101, i.e., the cannula assembly 300 is moved away from the body, during which the clip arms 210 and patch are disengaged from the cannula assembly 300 through the openings 301, whereupon the patch is not constrained by the cannula assembly 300 and the clip arms 210 then release the patch.

Deployment arm 410 is positioned within cannula assembly 300, deployment arm 410 is positioned adjacent clip arm 210, the patch is wrapped around deployment arm 410, the patch is disposed within cannula assembly 300 in a crimped form, when cannula assembly 300 is moved in a direction of proximal end 101 in a first direction X, deployment arm 410 and the patch are disengaged from cannula assembly 300 through opening 301, clip arm 210 releases the patch, the patch in the state to be implanted is crimped and squeezed into cannula 310 of cannula assembly 300 due to the reduced thickness of the patch material itself, the crimped state after disengagement from cannula 310 cannot be self-deployed within the tight space of the body, third connector 541 is wrapped around third connector 540 and connected to deployment arm 410, third connector 541 is rotated to pull deployment arm 410 in a direction away from distal end 102, deployment arm 410 deploys the patch, and subsequent surgical steps may be performed after deployment of the patch.

The implanter in the embodiment of the application can realize the operation of clamping and removing the tube to flattening by winding the first rotating member 520 around the first connecting member 521, winding the second rotating member 530 around the second connecting member 531 and winding the third rotating member 540 around the third connecting member 541, thereby simplifying the operation flow, obviously shortening the operation time, reducing the complexity of the driving part 500 assembly, saving the cost and improving the reliability of the implanter.

In preparation for winding the patch material, the first attachment member 521 and the third attachment member 541 are in a non-tensioned state, the arm 210 is in a relaxed state so as to facilitate placement of the patch on the arm 210, and the arm 410 is in a closed state so as to facilitate winding the patch around the arm 410, thereby facilitating the patch winding operation, and the operator can wind the patch material without the aid of external tools or tools. After the patch is wound, the first rotational member 520 is rotated, and the first rotational member 520 winds the first attachment member 521 to pull the clip arm 210 to grip the patch so as to secure the patch to the distal end 102 of the implant 100.

As shown in fig. 2 to 4, in some alternative embodiments, the second rotating member 530 and the third rotating member 540 are disposed side by side in the second direction Y, the housing 510 is provided therein with a driving gear 550 and a transmission gear 560 engaged with each other, the driving part 500 further includes a first trigger 570 engaged with the driving gear 550 for driving the driving gear 550 to rotate, the transmission gear 560 is located at a side of the driving gear 550 adjacent to the second rotating member 530 and the third rotating member 540, and the transmission gear 560 is movably disposed in the second direction Y so that the transmission gear 560 can be switched between engaging the second rotating member 530 and the third rotating member 540, and the first direction X and the second direction Y intersect.

In these alternative embodiments, the first trigger 570 is engaged with the driving gear 550 to drive the driving gear 550 to rotate, and the driving gear 550 can drive the second rotating member 530 and the third rotating member 540 to rotate through the transmission gear 560, thereby winding the second connecting member 531 and the third connecting member 541. Alternatively, the driving gear 550 includes a first ratchet 550a and a first gear 550b coaxially disposed, and each time the first trigger 570 is pressed, the first trigger 570 abuts against the first ratchet 550a to drive the first gear 550b to rotate synchronously, and the first gear 550b engages with the driving gear 560 to drive the driving gear 560 to rotate. The transmission gear 560 is movably disposed in the second direction Y, and the second rotating member 530 and the third rotating member 540 are disposed side by side in the second direction Y, so that the transmission gear 560 can be switched between engaging the second rotating member 530 and engaging the third rotating member 540.

As shown in fig. 3, when the transmission gear 560 moves to engage with the second rotating member 530 along the second direction Y, each time the first trigger 570 is pressed, the first trigger 570 abuts against the first ratchet wheel 550a to drive the first gear 550b to rotate synchronously, the engagement of the first gear 550b with the transmission gear 560 drives the transmission gear 560 to rotate, the transmission gear 560 drives the second rotating member 530 to rotate around the second connecting member 531, and the second connecting member 531 pulls the sleeve assembly 300 to move along the direction away from the distal end 102.

As shown in fig. 4, when the transmission gear 560 moves along the second direction Y to engage with the third rotating member 540, each time the first trigger 570 is pressed, the first trigger 570 abuts against the first ratchet 550a to drive the first gear 550b to rotate synchronously, the engagement of the first gear 550b with the transmission gear 560 drives the transmission gear 560 to rotate, the transmission gear 560 drives the third rotating member 540 to rotate and wind up the third connecting member 541, and the third connecting member 541 pulls the deployment arm 410 to deploy.

Alternatively, as shown in fig. 2 to 4, the second rotating member 530 includes a second gear shaft 530b and a second gear 530a for meshing with the transmission gear 560, and the second connecting member 531 is wound around the second gear shaft 530b. The second gear shaft 530b extends along the second direction Y, and the second gear 530a is sleeved on the second gear shaft 530b and can be synchronously rotated.

Alternatively, as shown in fig. 2 to 4, the third rotating member 540 includes a third gear shaft 540b and a third gear 540a for meshing with the transmission gear 560, and the third connecting member 541 is wound around the third gear shaft 540b of the third rotating member 540. The third gear shaft 540b of the third rotating member 540 extends along the second direction Y, and the third gear 540a is sleeved on the third gear shaft 540b and can be synchronously rotated. Optionally, the second gear shaft 530b is axially collinear with the third gear shaft 540b, thereby facilitating improved compactness.

Alternatively, as shown in fig. 2, the second rotating member 530 and the third rotating member 540 are located on one side of the driving gear 550 along the third direction Z, the first trigger 570 is located on one side of the driving gear 550 away from the second rotating member 530 along the third direction Z, and the implant 100 is spaced apart from the second rotating member 530 and the third rotating member 540 side by side along the first direction X, so that the second connecting member 531 and the third connecting member 541 can directly extend into the accommodating cavity 103 of the implant 100 along the first direction X, and the arrangement of the rotating members and the gears in the housing 510 is more compact.

Alternatively, as shown in fig. 2, the first rotating member 520 is located on a side of the driving gear 550 facing away from the implant 100 in the first direction X.

Optionally, as shown in fig. 2, a guiding shaft 523 is further disposed in the housing 510, the guiding shaft 523 and the implant 100 are disposed side by side along the first direction X, the guiding shaft 523 is located on a side of the second rotating member 530 and the third rotating member 540 away from the implant 100 along the first direction X, and the first connecting member 521 extends into the accommodating cavity 103 of the implant 100 through the first rotating member 520 by rotating around the rotating shaft. The guide shaft 523 is used for guiding the first connecting member 521, so as to reduce interference between the first connecting member 521 and the internal member of the housing 510.

As shown in fig. 2-4, in some alternative embodiments, a first trigger 570 is positioned outside the housing 510 and extends into the housing 510, the first trigger 570 is configured to drive the drive gear 550 to rotate in a first rotational direction, such that the drive gear 560 rotates the second rotating member 530 and the third rotating member 540 in the first rotational direction, the second rotating member 530 rotates the second connecting member 531 in the first rotational direction to move the cannula assembly 300 in a direction away from the distal end 102, the third rotating member 540 rotates the third connecting member 541 in the first rotational direction to deploy the deployment arm 410, the implant further comprises a first rotation stop 551, the first rotation stop 551 is positioned within the housing 510, and the first rotation stop 551 and the drive gear 550 abut to limit rotation of the drive gear 550 in a direction opposite the first rotational direction.

In these alternative embodiments, the first trigger 570 is located outside the housing 510 to facilitate manual actuation of the first trigger 570, the first trigger 570 extending into the housing 510 for rotation in a first rotational direction against the drive gear 550, and the drive gear 560, which is in engagement with the drive gear 550, rotates in a direction opposite the first rotational direction, which, through the drive gear 560, rotates the second rotating member 530 and the third rotating member 540. Alternatively, when the first rotation direction is clockwise, the opposite direction of the first rotation direction is counterclockwise at the same viewing angle, and when the first rotation direction is counterclockwise, the opposite direction of the first rotation direction is clockwise at the same viewing angle.

The implant further comprises a first rotation stop 551, the first rotation stop 551 being located in the housing 510, the first rotation stop 551 and the drive gear 550 abutting for limiting rotation of the drive gear 550 in a direction opposite to the first rotation direction. When the driving gear 550 includes the first ratchet wheel 550a, the first rotation stop 551 abuts against the first ratchet wheel 550a to limit the rotation of the driving gear 550 in the opposite direction of the first rotation direction. The first trigger 570 can only drive the driving gear 550 to rotate in the first rotation direction to drive the sleeve assembly 300 to move in the direction away from the distal end 102 and drive the deployment arm 410 to deploy, but cannot rotate in the opposite direction to the first rotation direction, so that the implant in the embodiment of the application can only be used for one operation, and the risk of possible cross contamination for the use of the second operation by other people is reduced.

Optionally, as shown in fig. 1 and 2, the implant further includes a handle 590, the handle 590 being located on a side of the first trigger 570 facing away from the implant 100 in the first direction X, such that pressing the first trigger 570 toward the handle 590 by holding the handle 590 causes the drive gear 550 to rotate in the first rotational direction.

In some alternative embodiments, as shown in fig. 2, a first resilient member 571 is disposed within the housing 510, the first resilient member 571 being coupled to the first trigger 570, the first resilient member 571 being configured to provide a resilient force to the first trigger 570 that moves in a direction away from the handle 590.

In these alternative embodiments, after the first trigger 570 is pressed toward the handle 590 to drive the driving gear 550 to rotate in the first rotation direction, the first elastic member 571 provides an elastic force for the first trigger 570 to move toward the direction away from the handle 590, so that the first trigger 570 drives the driving gear 550 to rotate and then reset, and the first trigger 570 is pressed multiple times so that the driving gear 550 rotates multiple times to drive the second rotating member 530 and the third rotating member 540 to rotate. Optionally, the first elastic member 571 is a tension spring, and the tension spring is connected to a side of the first trigger 570 away from the handle 590 for providing a pulling force to the first trigger 570.

In some alternative embodiments, as shown in fig. 2, a first ratchet 573 is disposed on the first trigger 570, the first ratchet 573 is movably connected to the first trigger 570, and a second elastic member 572 is further disposed in the housing 510, and the second elastic member 572 is configured to abut the first ratchet 573 against the first ratchet 550a.

In these alternative embodiments, pressing the first trigger 570 toward the handle 590 moves the first ratchet 573, the first ratchet 573 abutting the first ratchet 550a and rotating the first ratchet 550a in a first rotational direction.

As shown in fig. 1 to 4, in some alternative embodiments, the housing 510 is provided with first mounting holes 511 at both sides along the second direction Y, the transmission gear 560 is provided with connecting rods 561 at both sides along the second direction Y, two ends of the connecting rods 561 are respectively and correspondingly mounted at the two first mounting holes 511, two ends of the connecting rods 561 are exposed through the first mounting holes 511, and the connecting rods 561 are configured to move the transmission gear 560 along the second direction Y by pressing the connecting rods 561.

In these alternative embodiments, the first mounting holes 511 are formed on both sides of the housing 510 along the second direction Y, the transmission gear 560 has two ends of the connection rod 561 along the second direction Y, the two ends of the connection rod 561 are respectively correspondingly mounted on the two first mounting holes 511, the connection rod 561 can protrude out of the housing 510 through the first mounting holes 511, the connection rod 561 is connected with the transmission gear 560, one of the two ends of the connection rod 561 is exposed out of the housing 510, the other is flush with the outer side wall of the housing 510, pressing one of the two ends of the connection rod 561 exposed out of the housing 510 along the second direction Y causes the transmission gear 560 to synchronously move along the second direction Y to realize the switching of the transmission gear 560 between the engagement of the second rotating member 530 and the third rotating member 540, at this time, one of the two ends of the connection rod 561 is flush with the outer side wall of the housing 510, the other one of the two ends of the connection rod 561 is exposed out of the housing 510, and pressing the other of the two ends of the connection rod 561 exposed out of the housing 510 along the second direction Y causes the transmission gear 560 to synchronously move along the second direction Y to realize the synchronous movement of the transmission gear 560 along the second direction Y to realize the switching of the engagement of the transmission gear 560 between the second rotating member 530 and the third rotating member 540, thereby facilitating the operation of switching operation.

As shown in fig. 1, 2 and 6, in some alternative embodiments, the implant further comprises a cutting assembly comprising a blade 610 positioned within the housing 510, the blade 610 being movably disposed for cutting at least one of the first attachment member 521, the second attachment member 531 and the third attachment member 541.

In these alternative embodiments, the blade 610 may be movably provided to cut at least one of the first, second and third connection members 521, 531 and 541, alternatively, the blade 610 may be used to cut any one of the first, second and third connection members 521, 531 and 541, or the blade 610 may be used to cut any two of the first, second and third connection members 521, 531 and 541, or the blade 610 may be used to cut the first, second and third connection members 521, 531 and 541. Any one of the first connecting member 521, the second connecting member 531 and the third connecting member 541 is cut off to lose functionality, and the implant can only be scrapped after the patch implantation is completed, so that the problem of repeated use of the implant is reduced.

One end of the first connecting member 521 is wound around the first rotating member 520, the first connecting member 521 extends along the first direction X to the other end thereof and is connected to the clamping arm 210, the first connecting member 521 is in a tensioned state, the clamping arm 210 clamps the material 10 to be implanted by the tension of the first connecting member 521 on the clamping arm 210, and after the first connecting member 521 is cut by the blade 610, the tension of the first connecting member 521 on the clamping arm 210 is instantaneously lost, and the clamping force of the clamping arm 210 on the material 10 to be implanted is lost to release the material 10 to be implanted.

One end of the second connecting piece 531 is wound on the second rotating piece 530, the second connecting piece 531 extends to the other end along the first direction X and is connected to the sleeve assembly 300, after the second connecting piece 531 pulls the sleeve assembly 300 to separate from the material 10 to be implanted, the second connecting piece 531 is cut through the blade 610 and is out of functionality, and the implanter can only be scrapped after patch implantation is completed, so that the problem of repeated use of the implanter is reduced.

One end of the third connecting piece 541 is wound around the third rotating piece 540, the third connecting piece 541 extends to the other end along the first direction X and is connected to the unfolding arm 410, when the third connecting piece 541 pulls the unfolding arm 410 to unfold, the third connecting piece 541 is in a tensioning state, the stretching force of the third connecting piece 541 on the unfolding arm 410 enables the unfolding arm 410 to keep the unfolding state, the unfolding arm 410 is difficult to withdraw from the incision, after the third connecting piece 541 is cut by the blade 610, the stretching force of the third connecting piece 541 on the unfolding arm 410 is instantaneously disappeared, and the unfolding arm 410 is extruded to a folding state by human tissues in the process of withdrawing from the human body, so that the implanter is convenient to withdraw.

As shown in fig. 1 and 2, in some alternative embodiments, the housing 510 is provided with a first chute 512 extending along a third direction Z, the cutting assembly includes a cutting button 620 located outside the housing 510, the cutting button 620 is movably mounted on the first chute 512 along the third direction Z, the cutting button 620 is connected to the blade 610 through the first chute 512, the first connecting member 521, the second connecting member 531 and the third connecting member 541 are located on the same side of the blade 610 along the third direction Z, and the first direction X and the third direction Z intersect.

In these alternative embodiments, the cutting button 620 is movably mounted on the first chute 512 along the third direction Z, the first chute 512 penetrates through the side wall of one side of the housing 510 along the second direction Y, the cutting button 620 is connected with the blade 610 located in the housing 510 through the first chute 512, the cutting button 620 is movably disposed along the third direction Z and can drive the blade 610 to move synchronously along the third direction Z, the first connecting piece 521, the second connecting piece 531 and the third connecting piece 541 are located on the same side of the blade 610 along the third direction Z, the blade edge of the blade 610 faces one side of the first connecting piece 521, the second connecting piece 531 and the third connecting piece 541, the cutting button 620 moves along the third direction Z to drive the blade 610 to cut off at least one of the first connecting piece 521, the second connecting piece 531 and the third connecting piece 541, the cutting button 620 is convenient to operate, the cutting blade 610 cuts off at least one of the first connecting piece, the second connecting piece 531 and the third connecting piece 541, the cutting edge of the first connecting piece 521, the second connecting piece 531 and the cutting edge of the cutting button 541 can be used for the second patch by a second surgical instrument, and the risk of the first patch can be reduced, and the second patch can be used for the second surgical instrument can be repeatedly disabled only by others.

Optionally, the first direction X, the second direction Y and the third direction Z intersect two by two.

Optionally, the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

As shown in fig. 2 and 5, in some alternative embodiments, the implant 100 has a receiving cavity 103 disposed therein, the receiving cavity 103 extending through the implant 100 in a first direction X, the proximal end 101 of the implant 100 extending into the housing 510, the receiving cavity 103 being in communication with the housing 510, a first connector 521 connected to the clip arms 210 by the proximal end 101 through the receiving cavity 103, a third connector 541 connected to the deployment arms 410 by the proximal end 101 through the receiving cavity 103, and a second connector 531 located outside the implant 100 and extending along an outer wall of the implant 100 from the proximal end 101 toward the distal end 102 for connection to the cannula assembly 300.

In these alternative embodiments, implant 100 is a tubular structure, implant 100 has a receiving cavity 103 within the interior thereof, proximal end 101 of implant 100 is positioned within housing 510, receiving cavity 103 extends through distal end 102 and proximal end 101 of implant 100 in a first direction X such that receiving cavity 103 is in communication with housing 510, first connecting member 521 extends from proximal end 101 through receiving cavity 103 in first direction X to connect with clip arm 210 positioned at distal end 102, and third connecting member 541 extends from proximal end 101 through receiving cavity 103 in first direction X to connect with deployment arm 410 positioned at distal end 102, and receiving cavity 103 is configured to provide a guiding channel for first connecting member 521 and third connecting member 541. The first connecting member 521 and the third connecting member 541 can reduce interference of the first connecting member 521 and the third connecting member 541 with human tissue during movement of the first connecting member 521 and the third connecting member 541 in the accommodation chamber 103, and also reduce damage of the first connecting member 521 and the third connecting member 541 to the human tissue. The cannula assembly 300 is sleeved outside the implantation portion 100, and the second connecting piece 531 is located outside the implantation portion 100 and extends from the proximal end 101 toward the distal end 102 along the outer wall of the implantation portion 100 along the first direction X to be connected with the cannula assembly 300 for pulling the cannula assembly 300.

In some alternative embodiments, as shown in fig. 2, the cutting surface formed by movement of the blade 610 in the third direction Z is disposed adjacent to the proximal end 101 of the implant 100 in the first direction X.

In these alternative embodiments, the first attachment element 521, the second attachment element 531 and the third attachment element 541 each extend through the proximal end 101 in the direction of the distal end 102, the cutting surface formed by the movement of the blade 610 in the third direction Z is disposed adjacent to the proximal end 101 of the implant 100 in the first direction X, and optionally, the cutting surface formed by the movement of the blade 610 in the third direction Z is spaced from the proximal end 101 of the implant 100 by a distance greater than 0 and less than 2cm in the first direction X. The first connecting member 521 and the third connecting member 541 enter the accommodating chamber 103 through the proximal end 101, and the proximal end 101 of the implant 100 forms a sleeve-constrained pulling bundle for the first connecting member 521 and the third connecting member 541 along a tube orifice position perpendicular to the first direction X, so that the success rate of cutting the first connecting member 521 and the third connecting member 541 by the blade 610 can be improved. Optionally, the proximal end 101 of the implant 100 is connected to the outer wall of the housing 510 and communicates with the interior of the housing 510, or the proximal end 101 of the implant 100 extends into the interior of the housing 510, thereby reducing the spacing between the proximal end 101 of the implant 100 and the blade 610 in the first direction X.

Optionally, the first connecting piece 521, the second connecting piece 531 and the third connecting piece 541 are configured in a pulling rope structure, so that the gear shaft can wind the pulling rope to generate an effective pulling action on the connecting piece when the driving gear rotates, and meanwhile, the effective cutting of the first connecting piece 521, the second connecting piece 531 and the third connecting piece 541 by the blade 610 is possible.

The materials of the first, second and third connection members 521, 531 and 541 may include non-metallic materials, and the materials of the first, second and third connection members 521, 531 and 541 may include aramid, ultra-high molecular weight polyethylene, glass fiber reinforced nylon, or the like. The three nonmetallic inhaul cable ropes have good structural strength and high flexibility coefficient.

As shown in fig. 1 and 2, in some alternative embodiments, the implant further includes a second trigger 580, the second trigger 580 extending from outside the housing 510 into the housing 510, the second trigger 580 for driving the first rotary member 520 to rotate in a second rotational direction, the first rotary member 520 rotationally wrapping around the first connecting member 521 in the second rotational direction for driving the clamping arm 210 to clamp the material 10 to be implanted.

In these alternative embodiments, the second trigger 580 is located outside the housing 510, so that pressing the second trigger 580 outside the housing 510 extends from outside the housing 510 into the housing 510, the second trigger 580 abuts against the first rotating member 520, by pressing the second trigger 580 to drive the first rotating member 520 to rotate in the second rotating direction, optionally, the first rotating member 520 includes a second ratchet 520a and a rotating shaft that rotate synchronously, the second ratchet 520a is sleeved on the rotating shaft of the first rotating member 520, the first connecting member 521 winds around the rotating shaft of the first rotating member 520, and each time the second trigger 580 is pressed, the second trigger 580 abuts against the second ratchet 520a to drive the rotating shaft of the first rotating member 520 to rotate, the rotating shaft of the first rotating member 520 winds around the first connecting member 521 to move in a direction away from the distal end 102, and the first connecting member 521 provides a clamping force to the clamping arm 210.

Alternatively, the first rotation direction and the second rotation direction may be the same rotation direction, and the second rotation direction is clockwise at the same viewing angle when the first rotation direction is clockwise, and counterclockwise at the same viewing angle when the first rotation direction is counterclockwise. Or the first rotational direction and the second rotational direction may be opposite rotational directions. When the first rotation direction is clockwise, the second rotation direction is anticlockwise at the same observation angle, and when the first rotation direction is anticlockwise, the second rotation direction is clockwise at the same observation angle.

As shown in fig. 2, in some alternative embodiments, the implant further includes a second rotation stop 522, the second rotation stop 522 is disposed within the housing 510, the second rotation stop 522 is movably disposed, the second rotation stop 522 includes a rotation stop spring 522a, the second rotation stop 522 is moved to abut the first rotation stop 522a to limit rotation of the first rotation stop 520 in a direction opposite the second rotation direction, the second rotation stop 522 is moved to a position spaced from the first rotation stop 522a, and the first rotation stop 520 is rotatable in the direction opposite the second rotation direction to release the material 10 to be implanted.

In these alternative embodiments, the second rotation stop 522 is used to limit rotation of the first rotation member 520 in a direction opposite to the second rotation direction, thereby ensuring that the clamp arm 210 clamps the material 10 to be implanted, reducing the risk of the clamp arm 210 releasing the material 10 to be implanted before the implant is inserted into the damaged site. The second rotation stop 522 is movably disposed, and the second rotation stop 522 is moved to the abutment of the rotation stop reed 522a with the first rotation stop 520 for restricting the rotation of the first rotation stop 520 in the opposite direction of the second rotation direction. The second rotation stop 522 is moved to a position where the rotation stop spring 522a is spaced apart from the first rotation member 520, and the first rotation member 520 is rotatable in a direction opposite to the second rotation direction, thereby enabling the first connection member 521 to be moved in a direction approaching the distal end 102, such that the clip arm 210 releases the material 10 to be implanted. When the material to be implanted 10 needs to be replaced or the winding state of the material to be implanted 10 at the distal end 102 is poor, the first rotation member 520 can be rotated in the opposite direction of the second rotation direction to release the material to be implanted 10 by moving the second rotation stopper 522 until the rotation stopper 522a is spaced apart from the first rotation member 520. When the clamping arm 210 needs to clamp the material 10 to be implanted again, the second rotation stopping piece 522 is moved to the position that the rotation stopping reed 522a is abutted against the first rotation piece 520, and the second trigger 580 is pressed to drive the first rotation piece 520 to rotate along the second direction Y, so that the clamping arm 210 clamps the material 10 to be implanted.

In some alternative embodiments, as shown in fig. 2, the second trigger 580 is provided with a second ratchet 581, the second ratchet 581 is movably connected with the second trigger 580, the second ratchet 581 extends towards the first rotating member 520, the end of the second ratchet 581 close to the first rotating member 520 is provided with a poking bolt 582, the second rotation stopping member 522 further comprises a releasing plate 522b, the releasing plate 522b is abutted with the poking bolt 582 for poking the second ratchet 581 of the second trigger 580 out of abutment with the first rotating member 520, the releasing plate 522b is movably arranged synchronously with the rotation stopping reed 522a so that the first rotating member 520 can be switched between a first state in which the rotation stopping reed 522a and the second ratchet 581 are abutted with the first rotating member 520, the first rotating member 520 can rotate along the second rotating direction, the releasing plate 522b is spaced from the first rotating member 520, and the releasing plate 522b pokes the poking bolt 581 to the second ratchet 581 and is arranged along the first rotating direction opposite to the first rotating member 520.

In these alternative embodiments, the end of the second ratchet 581 adjacent to the first rotating member 520 is in contact with the second ratchet 520a of the first rotating member 520 for driving the first rotating member 520 to rotate, and the end of the second ratchet 581 adjacent to the second ratchet 520a of the first rotating member 520 has a toggle 582, by which the second ratchet 581 can be spaced from the second ratchet 520a of the first rotating member 520, ensuring that the first rotating member 520 is not disturbed by the second ratchet 581 when rotated in the opposite direction of the second rotating direction. The second rotation stopping member 522 further includes a releasing plate 522b, wherein the releasing plate 522b is abutted with the pulling bolt 582 for pulling the second ratchet 581 out of abutment with the second ratchet 520a of the first rotation stopping member 520, and the releasing plate 522b is movably arranged in synchronization with the rotation stopping reed 522 a. In the first state, the rotation stop reed 522a and the second ratchet 581 are both in contact with the first rotation member 520, the second trigger 580 can drive the first rotation member 520 to rotate in the second rotation direction, and the rotation stop reed 522a can restrict the first rotation member 520 from reversing. In the second state, the rotation stop reed 522a and the second ratchet 581 are each disposed at a distance from the second ratchet 520a of the first rotation member 520, and the first rotation member 520 is rotatable in the opposite direction of the second rotation direction. Alternatively, the setting pins 582 are located at both sides of the second ratchet 581 in the second direction Y and extend in the second direction Y, and the releasing plate 522b is disposed in contact with both the setting pins 582.

Alternatively, as shown in fig. 2, the release plate 522b and the rotation stopping reed 522a are integrally provided.

Alternatively, as shown in fig. 2, the second rotation stopping member 522 is located on a side of the first rotation member 520 away from the implant 100 in the first direction X, the second rotation stopping member 522 is movably disposed in the third direction Z, and the releasing plate 522b is obliquely disposed in a direction away from the first rotation member 520, so that the releasing plate 522b is movably disposed in a direction approaching or separating from the first rotation member 520 during the movement in the third direction Z.

As shown in fig. 1 and 2, in some alternative embodiments, the second rotation stop 522 further includes a rotation stop 522c, where the rotation stop 522c is disposed outside the housing 510 and movable along the third direction Z, and the rotation stop 522c is connected to a release plate 522b and a rotation stop reed 522a disposed in the housing 510.

In these alternative embodiments, the release plate 522b and the rotation stop spring 522a are moved in the third direction Z by sliding the rotation stop button 522c to enable the first rotation member 520 to switch between the first state and the second state.

In some alternative embodiments, as shown in fig. 2, the second trigger 580 is rotatably connected to the housing 510, the second ratchet 581 extends toward the second ratchet 520a, and a third elastic member 583 is further disposed in the housing 510, and the third elastic member 583 is configured to abut the second ratchet 581 to the second ratchet 520a.

In these alternative embodiments, the third elastic member 583 is configured to provide an elastic force to the second ratchet 581 in a direction toward the second ratchet 520a, so that the second ratchet 581 always abuts against the second ratchet 520a during operation. Pressing the second trigger 580 toward the second ratchet 520a drives the second ratchet 581 to move, and the second ratchet 581 abuts against the second ratchet 520a and drives the second ratchet 520a to rotate in the second rotation direction. Alternatively, the setting bolt 582 is disposed at an end of the second ratchet 581 near the second ratchet 520a, the releasing plate 522b is configured to set the second ratchet 581 at a distance from the second ratchet 520a by setting the setting bolt 582 during the movement of the releasing plate 522b in a direction away from the second trigger 580, and the third elastic member 583 pulls the second ratchet 581 to move toward the second ratchet 520a until the second ratchet 581 contacts the second ratchet 520a during the movement of the releasing plate 522b in a direction toward the second trigger 580.

Optionally, as shown in fig. 2, a first supporting rod 584 is disposed on the second trigger 580, a second supporting rod 585 is disposed on the second ratchet 581, the second ratchet 581 is hinged to the second trigger 580, the second trigger 580 is rotatably connected in the housing 510 through a third rotating shaft 586, the third rotating shaft 586 is located between the first supporting rod 584 and the second ratchet 581, the first supporting rod 584 and the second supporting rod 585 are separately disposed on two sides of the second ratchet 520a of the first rotating member 520 along the first direction X, a third elastic member 583 is connected between the first supporting rod 584 and the second supporting rod 585, the first supporting rod 584 is located on a side of the second supporting rod 585 away from the first rotating member 520 along the third direction Z, and the third elastic member 583 is used for providing an elastic force towards the first supporting rod 584 to the second supporting rod 583. In the process of pressing the portion of the second trigger 580 extending out of the housing 510 toward the second ratchet 520a of the first rotating member 520, the first supporting rod 584 moves toward the second ratchet 520a away from the first rotating member 520, the second trigger 580 drives the second ratchet 581 to drive the second supporting rod 585 to move toward the direction away from the first supporting rod 584, the third elastic member 583 is pulled by the first supporting rod 584 and the second supporting rod 585 to be in a stretched state, the elastic force of the third elastic member 583 is directed toward the first supporting rod 584, and after the pressing force is lost, the third elastic member 583 moves toward the second ratchet 520a away from the first rotating member 520 by pulling the first supporting rod 584 and the second supporting rod 585 toward each other so that the portion of the second trigger 580 located outside the housing 510 moves toward the second ratchet 520a away from the first rotating member 520.

Optionally, as shown in fig. 1, a second sliding groove 513 is formed on a side of the housing 510 away from the implant 100 along the first direction X, the second sliding groove 513 extends along the third direction Z, the second trigger 580 extends into the housing 510 from outside the housing 510 through the second sliding groove 513, and the second trigger 580 penetrates through the second sliding groove 513 and is movably disposed in the second sliding groove 513 along the third direction Z.

In some alternative embodiments, as shown in fig. 5, the distal end 102 of the implant 100 is provided with a first fixation plate 120, the clamping arm 210 is disposed side-by-side with the first fixation plate 120, the material 10 to be implanted is disposed between the first fixation plate 120 and the clamping arm 210, and the first rotational member 520 is used to drive the clamping arm 210 closer to and farther from the first fixation plate 120 by winding the first connecting member 521.

In some alternative embodiments, as shown in fig. 1 and 7, the cannula assembly 300 includes a cannula 310 and a connecting tube 320 arranged in the first direction X, the cannula 310 and the connecting tube 320 being connected to each other, the cannula 310 being disposed over the first fixation plate 120, the connecting tube 320 being disposed over the implant 100, the cannula 310 being detachably connected to the connecting tube 320, and the opening 301 being disposed at an end of the cannula 310 facing away from the proximal end 101.

In these alternative embodiments, the patch is positioned within a cannula 310, the cannula 310 along with the patch entering the body through a small incision in the body, the cannula 310 ensuring that the patch is isolated from the body tissue during extension through the body incision to the rotator cuff tear position.

The cannula 310 is detachably connected to the connection tube 320, the cannula 310 is in communication with the connection tube 320, the patch is clamped between the clamping arm 210 and the first fixation plate 120 before the cannula 310 is mounted, the cannula 310 is then sleeved into the cannula 310 from the distal end 102 towards the proximal end 101, and the cannula 310 is connected to the connection tube 320. Alternatively, the cannula 310 may be a disposable plastic tube. Because the sleeve 310 is sleeved with the patch and needs to enter the human body, the disposable plastic tube can be replaced after each use in view of medical and health, and the disposable plastic tube has lighter weight and lower manufacturing cost.

After the cannula 310, clip arms 210, and patch have been synchronized into the rotator cuff tear position, the cannula 310 and connector tube 320 are moved in a first direction X toward the proximal end 101, and the clip arms 210, first fixation plate 120, and patch are disengaged from the cannula 310 through the opening 301.

In some alternative embodiments, as shown in fig. 1 and 8, a grommet 311 is provided on the side of the sleeve 310 facing the proximal end 101, and a button 331 is provided on the side of the connecting tube 320 facing away from the proximal end 101, the button 331 being snapped onto the grommet 311.

In these alternative embodiments, the sleeve 310 is provided with a button hole 311 on the side facing the proximal end 101, the connecting tube 320 is provided with a button 331 on the side facing away from the proximal end 101, and when the sleeve 310 and the connecting tube 320 are mutually mounted, the button 331 is simply snapped into the button hole 311 to complete the connection, and the connection step is simple and easy to operate. The number and positions of the buttons 331 are matched with those of the buttonholes 311.

Optionally, as shown in fig. 9, the sidewall of the sleeve 310 is provided with a plurality of water through holes 312 spaced apart, so as to improve the problem that the patch is vacuum-adsorbed to the inner sidewall of the sleeve 310. In addition, in the arthroscopic surgery, liquid is continuously injected into the surgical site, human tissues are supported by the liquid to form a surgical space, and after the plurality of water holes 312 are formed in the side wall of the sleeve 310, the liquid can infiltrate the patch through the water holes 312, so that the patch can be conveniently separated from the sleeve 310 for unfolding.

As shown in fig. 8 to 16, in some alternative embodiments, the connection tube 320 includes a connection tube body 330 and a locking tube 340, the locking tube 340 is disposed inside the connection tube body 330, the second connector 531 is connected to an end of the locking tube 340 facing away from the distal end 102, the button 331 is disposed at an end of the connection tube body 330 facing the distal end 102, the locking tube 340 includes a flange portion 341 disposed toward the distal end 102, an outer diameter of the flange portion 341 is larger than an inner diameter of the button 331, and the flange portion 341 is used to press the button 331 to fix the button 331 to the grommet 311.

In these alternative embodiments, both the connection tube body 330 and the locking tube 340 are movable in the first direction X, the button 331 is disposed at an end of the connection tube body 330 facing the distal end 102, at least a portion of the sleeve 310 is disposed outside the connection tube body 330, that is, the grommet 311 is disposed outside the button 331, the locking tube 340 is disposed inside the connection tube body 330, that is, the flange 341 is disposed on a side of the locking tube 340 facing the distal end 102 is disposed inside the button 331.

The locking tube 340 moves along the first direction X towards the proximal end 101 relative to the connecting tube body 330 to the inner side of the flange 341 abutting against the button 331, and since the outer diameter of the flange 341 is larger than the inner diameter of the button 331, the flange 341 abuts against the button 331 to elastically deform the button 331, the flange 341 firmly presses the button 331 into the button hole 311, so that the possibility of loosening between the connecting tube body 330 and the sleeve 310 is reduced, and the sleeve 310 is prevented from falling off. Alternatively, the flange portion 341 may have a truncated cone-shaped structure, where the diameter of the flange portion 341 gradually increases toward the distal end 102, so as to press the button 331 to gradually increase the diameter of the button 331.

Optionally, an end of the cannula assembly 300 facing the proximal end 101 is provided with a connection hole 342, and the second connection member 531 is connected to the connection hole 342. Alternatively, as shown in fig. 12, the connecting hole 342 is disposed at an end of the locking tube 340 away from the distal end 102, the second connector 531 penetrates the connecting hole 342, and the second connector 531 moves toward the proximal end 101 by pulling the locking tube 340, and drives the connecting tube 320 and the sleeve 310 to move toward the proximal end 101 by the flange portion 341 of the locking tube 340.

As shown in fig. 5 and 17 to 24, in some alternative embodiments, the clamping portion 200 further includes a guiding portion 240 and a fixing shaft 250, the implantation portion 100 is provided with a relief hole 290 between the first connecting member 521 and the clamping arm 210, the guiding portion 240 is located in the relief hole 290, one end of the guiding portion 240 is connected to one end of the clamping arm 210 facing the proximal end 101, the other end of the guiding portion 240 is connected to the first connecting member 521, the guiding portion 240 further includes a guiding slot 241 extending along the extending direction of the guiding portion 240, two bending edges 113 are provided on two sides of the relief hole 290 on an outer side wall of the housing 510, the fixing shaft 250 is connected between the two bending edges 113, the fixing shaft 250 penetrates through the guiding slot 241, and the guiding portion 240 is used for moving the clamping arm 210 along the extending direction of the guiding slot 241 to be close to the first fixing plate 120 and to cooperate with the first fixing plate 120 to clamp the material 10 to be implanted.

In these alternative embodiments, the first connecting member 521 is connected to the clip arm 210 by the guide 240, and the first connecting member 521 moves in the first direction X toward the direction away from the distal end 102, and the first connecting member 521 moves the clip arm 210 near the first fixing plate 120 by the guide 240.

Since the first connecting member 521 is located in the accommodating chamber 103, the clip arm 210 is located outside the accommodating chamber 103, the avoidance hole 290 communicates the inside of the accommodating chamber 103 with the outside of the implant 100, the guide 240 connects the first connecting member 521 located in the accommodating chamber 103 and the clip arm 210 located outside the implant 100 through the avoidance hole 290, and the extending direction of the guide 240 intersects with the first direction X.

As shown in fig. 18, the guide portion 240 further includes a guide groove 241 extending along the extending direction of the guide portion 240, the fixing shaft 250 is fixed on the bending edges 113 at two sides of the avoiding hole 290, the fixing shaft 250 penetrates through the guide groove 241, the fixing shaft 250 is arranged to enable the moving direction of the guide portion 240 to move along the extending direction of the guide groove 241, when the first connecting piece 521 moves towards the direction away from the distal end 102, the first connecting piece 521 drives the clamping arm 210 to move through the guide portion 240, and as the guide portion 240 moves along the extending direction of the guide groove 241, that is, the guide portion 240 moves along the extending direction close to the first connecting piece 521, so that the clamping arm 210 moves along the extending direction close to the first connecting piece 521, that is, the clamping arm 210 moves along the direction close to the first fixing plate 120, so as to clamp the patch.

Alternatively, as shown in fig. 5 and fig. 25 to fig. 28, the deployment arm 410 is disposed on the side of the first fixing plate 120 facing away from the clip arm 210 and is located in the cannula assembly 300, the deployment arm 410 is located opposite to the clip arm 210, that is, the deployment arm 410 is located opposite to the patch, the patch is disposed in the cannula assembly 300 in a curled form, when the cannula assembly 300 moves in the proximal direction 101, the deployment arm 410, the clip arm 210 and the patch are separated from the cannula assembly 300 through the opening 301, after the clip arm 210 moves away from the first fixing plate 120 to release the patch, the patch in the state to be implanted is curled into the cannula 310 due to the thin thickness of the patch material itself, the curled state of the patch after the patch is separated from the cannula 310 cannot be self-deployed in the tight body space, so that the patch is disposed in the patch opposite position, the partial deployment arm 410 moves in the second direction Y to spread the patch, and the subsequent surgical procedure can be performed after the patch is spread. Alternatively, the deployment arm 410 may be rotated about one end of the deployment arm 410 to deploy the patch.

In some alternative embodiments, as shown in fig. 5 and 29, implant 100 further includes a second fixation plate 130 coupled to distal end 102 of housing 510, second fixation plate 130 being positioned on a side of deployment arm 410 facing away from first fixation plate 120, second fixation plate 130 and first fixation plate 120 both being positioned within cannula 310.

In these alternative embodiments, the first and second fixing plates 120 and 130 are located at both sides of the deployment arm 410, thereby enabling protection of the deployment arm 410.

As shown in fig. 30 to 36, in some alternative embodiments, the deployment arm 410 includes two first deployment arms 411 disposed opposite to each other, the first deployment arms 411 being located between the first fixing plate 120 and the second fixing plate 130, the two first deployment arms 411 being rotatably connected to the first fixing plate 120 and the second fixing plate 130 at one side of the proximal end 101, the two first deployment arms 411 being connected to the third connecting member 541, and the third connecting member 541 being used to drive the first deployment arms 411 to rotate.

In these alternative embodiments, the first deployment arm 411 is rotatably coupled between the first and second fixed plates 120 and 130 by the first rotation shaft 140. The deployment arm 410 includes two first deployment arms 411 disposed opposite to each other, and the two first deployment arms 411 are rotatably connected between the first fixing plate 120 and the second fixing plate 130 toward one side of the proximal end 101. The first unfolding arms 411 include a folded state and an unfolded state, in the folded state, the two first unfolding arms 411 extend along a first direction X and are parallel to each other, when the unfolding arms 410 are switched from the folded state to the unfolded state, the third connecting piece 541 moves away from the distal end 102 along the first direction X, the third connecting piece 541 pulls the first unfolding arms 411 to move towards the proximal end 101 along the first direction X, the first unfolding arms 411 rotate towards the outer side with the connection point with the first fixing plate 120 as an axis, and the two first unfolding arms 411 are opened, in this time, in the unfolded state, the patch is pushed against and unfolded during the rotation of the first unfolding arms 411, so that the patch and the torn tendon are conveniently sutured later.

As shown in fig. 30 to 36, in some alternative embodiments, the deployment arm 410 further includes two second deployment arms 412 disposed opposite to each other, the two second deployment arms 412 and the two first deployment arms 411 are disposed offset along the first direction X and between the first fixing plate 120 and the second fixing plate 130, the two second deployment arms 412 are disposed on a side of the first deployment arms 411 facing away from the proximal end 101, the second deployment arms 412 are rotatably connected to the first fixing plate 120 and the second fixing plate 130, the two second deployment arms 412 are rotatably connected to the third connecting member 541, and the third connecting member 541 is used to drive the second deployment arms 412 to rotate.

In these alternative embodiments, the second deployment arm 412 is rotatably coupled between the first and second fixed plates 120, 130 by the second rotation shaft 150. The second unfolding arm 412 is configured in the same manner as the first unfolding arm 411, and the second unfolding arm 412 includes a folded state and an unfolded state, and the second unfolding arm 412 has the beneficial effects of the first unfolding arm 411 described above, which are not described herein. The two second unfolding arms 412 and the two first unfolding arms 411 are arranged in a staggered manner along the first direction X, that is, when the two second unfolding arms 412 and the two first unfolding arms 411 are in the unfolded state, the contact positions of the first unfolding arms 411 and the second unfolding arms 412 with the patch are different. Alternatively, the patch may be rectangular, with the first and second arms 411, 412 abutting the four corners of the rectangular patch, respectively, so as to provide for a more extended patch, facilitating the subsequent patch suturing step.

Alternatively, as shown in fig. 33 to 35, a brace 542 is provided between the third connection member 541 and the deployment arm 410, and the brace 542 is connected between the two first deployment arms 411, the two second deployment arms 412, and the third connection member 541. One end of the brace 542 facing the proximal end 101 is connected to a third connecting member 541, the brace 542 is divided into two sections on both sides of the deployment arm 410 in the second direction Y, one section of the brace 542 connects the first deployment arm 411 and the second deployment arm 412 located on one side of the second direction, the other section of the brace 542 connects the first deployment arm 411 and the second deployment arm 412 located on the other side of the second direction, the brace 542 is rotatably connected to one side of the two first deployment arms 411 located at the proximal end 101, the brace 542 is also rotatably connected to one side of the two second deployment arms 412 located at the proximal end 101, and the third connecting member 541 pulls the brace 542 to move in the direction of the proximal end 101 when moving in the direction away from the distal end 102, and the brace 542 pulls the first deployment arm 411 and the second deployment arm 412 to be deployed in the direction of the second direction Y to pave the patch.

While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (11)

1. An implanter, comprising:

An implant extending in a first direction, the implant including a proximal end and a distal end disposed opposite in the first direction;

The clamping part comprises a clamping arm, wherein the clamping arm is arranged at the far end and is used for clamping a material to be implanted;

The opening and closing assembly comprises an unfolding arm which is arranged at the far end;

The sleeve component is sleeved on the outer side of the implantation part, is movably arranged at the far end along the first direction and is used for wrapping the clamping arm, the unfolding arm and the material to be implanted, and an opening is formed at one end, opposite to the near end, of the sleeve component;

The driving part is arranged at the proximal end and comprises a shell, a first rotating piece, a second rotating piece, a third rotating piece, a first connecting piece, a second connecting piece and a third connecting piece are arranged in the shell, the first connecting piece is wound on the first rotating piece and connected with the clamping arm, the first rotating piece is used for driving the clamping arm to clamp a material to be implanted, the second connecting piece is wound on the second rotating piece and connected with the sleeve assembly, the second rotating piece is used for driving the sleeve assembly to move along the direction deviating from the distal end, the third connecting piece is wound on the third rotating piece and connected with the unfolding arm, and the third rotating piece is used for driving the unfolding arm to unfold.

2. The implanter according to claim 1, wherein the second rotating member and the third rotating member are disposed side by side in a second direction, wherein a driving gear and a transmission gear are disposed in the housing, wherein the driving portion further comprises a first trigger engaged with the driving gear for driving the driving gear to rotate, wherein the transmission gear is disposed on a side of the driving gear adjacent to the second rotating member and the third rotating member, wherein the transmission gear is disposed movably in the second direction so that the transmission gear can be switched between meshing the second rotating member and the third rotating member, and wherein the first direction and the second direction intersect.

3. The implant of claim 2, wherein the first trigger is located outside of the housing and extends into the housing, the first trigger is configured to drive the drive gear to rotate in a first rotational direction to drive the second rotational member and the third rotational member to rotate in the first rotational direction via the drive gear, the second rotational member rotating about the second connector in the first rotational direction to move the cannula assembly in a direction away from the distal end, the third rotational member rotating about the third connector in the first rotational direction to deploy the deployment arm, the implant further comprises a first rotational stop located within the housing, the first rotational stop and the drive gear abutting to limit rotation of the drive gear in a direction opposite the first rotational direction.

4. The implanter according to claim 2, wherein first mounting holes are formed in both sides of the housing in the second direction, the transmission gear has a connection rod in both sides of the transmission gear in the second direction, two ends of the connection rod are respectively correspondingly mounted in the two first mounting holes, the two ends of the connection rod are exposed through the first mounting holes, and the connection rod is configured to move the transmission gear in the second direction by pressing the connection rod.

5. The implanter of claim 1, further comprising a cutting assembly comprising a blade within the housing, the blade movably disposed for cutting at least one of the first, second, and third connectors.

6. The implanter of claim 5, wherein the housing defines a first runner extending in a third direction, the cutting assembly including a cutting knob located outside the housing, the cutting knob movably mounted to the first runner in the third direction, the cutting knob coupled to the blade via the first runner, the first, second, and third connectors located on a same side of the blade in the third direction, the first and third directions intersecting.

7. The implanter of claim 6, wherein the implant portion has a receiving cavity disposed therein, the receiving cavity extending through the implant portion in the first direction, the proximal end of the implant portion extending into the housing, the receiving cavity in communication with the housing, the first connector being connected to the clamp arm by the proximal end through the receiving cavity, the third connector being connected to the deployment arm by the proximal end through the receiving cavity, the second connector being located outside the implant portion and extending along an outer wall of the implant portion from the proximal end toward the distal end and being connected to the cannula assembly.

8. The implanter of claim 7, wherein a cutting surface formed by movement of the blade in the third direction is disposed adjacent to the proximal end of the implant portion in the first direction.

9. The implanter according to claim 1, further comprising a second trigger extending from the housing into the housing, the second trigger configured to drive the first rotatable member to rotate in a second rotational direction, the first rotatable member rotatably wrapping around the first connector member in the second rotational direction to drive the clamping arm to clamp the material to be implanted.

10. The implanter of claim 9, further comprising a second rotation stop positioned within the housing, the second rotation stop movably disposed, the second rotation stop comprising a rotation stop tab, the second rotation stop being movable to abut the rotation stop tab with the first rotation stop to limit rotation of the first rotation stop in a direction opposite the second rotation direction, the second rotation stop being movable to a position spaced from the first rotation stop tab, the first rotation stop being rotatable in a direction opposite the second rotation direction to release the material to be implanted.

11. The implanter according to claim 10, wherein the second trigger is provided with a second ratchet movably coupled to the second trigger, the second ratchet extending toward the first rotation member, the second ratchet having a toggle near an end of the first rotation member, the second rotation member further comprising a release plate abutting the toggle for toggling the second ratchet off the first rotation member;

The unlocking plate and the rotation stopping reed are synchronously and movably arranged so that the first rotating piece can be switched between a first state and a second state, the rotation stopping reed and the second trigger are in abutting connection with the first rotating piece, the first rotating piece can rotate along the second rotating direction, the rotation stopping reed and the first rotating piece are arranged at intervals in the second state, the unlocking plate dials the shifting bolt to be arranged at intervals between the second ratchet and the first rotating piece, and the first rotating piece can rotate along the direction opposite to the second rotating direction.