CN116784902A - A self-locking brain tissue retractor - Google Patents
A self-locking brain tissue retractor Download PDFInfo
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- CN116784902A CN116784902A CN202310814522.4A CN202310814522A CN116784902A CN 116784902 A CN116784902 A CN 116784902A CN 202310814522 A CN202310814522 A CN 202310814522A CN 116784902 A CN116784902 A CN 116784902A
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Abstract
本发明公开了一种自锁式脑组织牵开器，包括：外管，外管两端敞开，外管的外壁与内壁为由上至下逐渐收缩的同心椭圆曲线构成曲面，外管顶口外缘固接有支撑部；内管，内管结构与外管相适配，内管两端敞开，内管与外管内腔插接，内管顶口外缘固接有安装部，安装部与支撑部位置相对应并可拆卸连接，安装部上固接有安装板，安装板一端延伸至内管顶端中心处并开设有插口，插口与内管中轴线重合，安装板上活动连接有固定部，固定部一端活动连接在插口中，本发明能够解决神经外科手术时，在穿刺手术时脑穿针和内窥镜无法固定的问题，并建立手术通道，在不损伤脑组织的情况下进行器械操作。
The invention discloses a self-locking brain tissue retractor, which includes: an outer tube. Both ends of the outer tube are open. The outer wall and the inner wall of the outer tube are concentric elliptical curves that gradually shrink from top to bottom to form a curved surface. There is a support part fixed on the edge; the inner tube has a structure that matches the outer tube. Both ends of the inner tube are open, and the inner tube is plugged into the inner cavity of the outer tube. There is a mounting part fixed on the outer edge of the top opening of the inner tube, and the mounting part and the support The position of the inner tube corresponds to the position of the inner tube and can be detachably connected. A mounting plate is fixedly connected to the mounting portion. One end of the mounting plate extends to the center of the top of the inner tube and is provided with a socket. The socket coincides with the central axis of the inner tube. A fixed portion is movably connected to the mounting plate. One end of the fixing part is movably connected in the socket. The invention can solve the problem that the brain puncture needle and the endoscope cannot be fixed during the puncture operation during neurosurgery, and establish a surgical channel to perform instrument operations without damaging the brain tissue. .
Description
Technical Field
The application belongs to the technical field of medical appliances, and particularly relates to a self-locking brain tissue retractor.
Background
The exposure of neurosurgery is one of the important problems affecting the development of surgery, the condition of the exposure of surgery can directly affect the achievement or non-achievement of the intended purpose of surgery, and meanwhile, good exposure of surgery can effectively reduce the possibility of occurrence of surgical complications.
The traditional apparatus for separating and retracting brain tissue is a brain pressing plate, which is inconvenient to fix apparatuses such as brain puncture needle, endoscope and the like, needs to occupy hands of an assistant when separating brain tissue, has sharp edges of a common brain pressing plate, easily causes unnecessary damage to brain tissue in the separation and retraction process, and is particularly difficult to operate under the condition of higher intracranial pressure.
Disclosure of Invention
In order to solve the technical problems, the application provides a self-locking brain tissue retractor which solves the problem that a brain puncture needle and an endoscope cannot be fixed during a puncture operation in neurosurgery, establishes an operation channel and performs instrument operation under the condition of not damaging brain tissues.
To achieve the above object, the present application provides a self-locking brain tissue retractor comprising:
the two ends of the outer tube are open, the outer wall and the inner wall of the outer tube are concentric elliptic curves which gradually shrink from top to bottom to form a curved surface, and the outer edge of the top opening of the outer tube is fixedly connected with a supporting part;
the inner tube, the inner tube both ends are opened, the inner tube structure with outer tube looks adaptation, the inner tube with outer tube inner chamber grafting, inner tube top outer fringe rigid coupling has the installation department, the installation department with the supporting part position is corresponding and can dismantle the connection, the rigid coupling has the mounting panel on the installation department, mounting panel one end extends to inner tube top center department has seted up the socket, the socket with inner tube axis coincidence, swing joint has the fixed part on the mounting panel, fixed part one end swing joint is in the socket.
Preferably, the support part comprises a holding handle, the holding handle is fixedly connected to the outer edge of the top opening of the outer tube, and a notch groove is formed in one side of the bottom surface of the holding handle.
Preferably, the mounting portion comprises a buckle cover, the buckle cover corresponds to the position of the holding handle and is detachably connected with the holding handle, a first groove is formed in the bottom surface of the buckle cover, one end of the first groove is communicated with the outside, the other end of the first groove is closed, a first sliding block is connected in the first groove in a sliding mode, one end of the first sliding block is fixedly connected with a first buckle, the first buckle corresponds to the position of the notch groove and is detachably connected with the notch groove, one end, away from the first buckle, of the first sliding block extends out of the first groove and is fixedly connected with a push plate, and a first reset assembly is arranged between the first sliding block and the buckle cover.
Preferably, the first reset component comprises a second groove and a third groove which are vertically corresponding, the second groove is formed in the top surface of the first sliding block, the third groove is formed in the top surface of the first groove, and a first spring is fixedly connected between the end surface of the third groove, which is far away from the push plate, and the end surface of the second groove, which is close to the push plate.
Preferably, the mounting plate is fixedly connected to the top surface of the buckle closure, the fixing part comprises a fourth groove, the fourth groove is formed in the top surface of the mounting plate, one end of the fourth groove is communicated with the socket, a second sliding block is slidably connected in the fourth groove, one end of the second sliding block, which is close to the socket, is fixedly connected with an abutting block, the abutting block stretches into the socket and is movably connected to the socket, a pulling plate is fixedly connected to the top surface of one end, which is far away from the socket, of the second sliding block, and a second reset assembly is arranged between the end faces, which are far away from the socket, of the fourth groove.
Preferably, the second reset assembly comprises a fifth groove, the fifth groove is formed in the bottom surface of the second slider, one end, away from the socket, of the fifth groove is communicated with the outside, the end, away from the socket, of the fourth groove is fixedly connected with a fixing block, the fixing block is in sliding connection with the fifth groove, and a second spring is fixedly connected between the fixing block and the fifth groove.
Preferably, the outer wall of the inner tube is in a sealing state after being attached to the inner wall of the outer tube.
Preferably, the bottom end of the inner tube extends out of the bottom end of the outer tube.
Compared with the prior art, the application has the following advantages and technical effects: through setting up the outer tube to constitute the curved surface by the concentric elliptic curve that contracts gradually from top to bottom to the connection through supporting part and installation department is fixed inner tube and outer tube connection, can expose the operation field in the operation use in the maximum scope, effectively reduce operation incision size, the biggest tractive wound, the tension to the incision is even, have incision edge visibility, reduce unnecessary brain tissue damage, and, through seting up the socket on the installation board, can install instruments such as pjncture needle or endoscope in the socket on the installation board, and extend this retractor through the inner tube, then fix it through the fixed part, easy operation is convenient, can fully release assistant's both hands, better cooperation operator accomplishes the operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view of the overall three-dimensional structure of the present application;
FIG. 2 is a cross-sectional view of the mounting portion of the present application;
fig. 3 is a cross-sectional view of a fixing portion of the present application.
In the figure: 1. an outer tube; 2. an inner tube; 3. a mounting plate; 4. a socket; 5. a handle; 6. a notch groove; 7. a buckle cover; 8. a first groove; 9. a first slider; 10. a first buckle; 11. a push plate; 12. a second groove; 13. a third groove; 14. a first spring; 15. a fourth groove; 16. a second slider; 17. an abutment block; 18. pulling a plate; 19. a fifth groove; 20. a fixed block; 21. and a second spring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the present embodiment provides a self-locking brain tissue retractor comprising:
the outer tube 1 is used for accommodating and installing the inner tube 2 and forming a surgical channel when invading tissues, two ends of the outer tube 1 are opened, the outer wall and the inner wall of the outer tube 1 are concentric elliptic curves gradually shrinking from top to bottom to form a curved surface, and the outer edge of the top opening of the outer tube 1 is fixedly connected with a supporting part;
the inner tube 2, inner tube 2 both ends open, inner tube 2 structure and outer tube 1 looks adaptation, inner tube 2 is pegged graft with outer tube 1 inner chamber, inner tube 2 top mouth outer fringe rigid coupling has the installation department, installation department corresponds and can dismantle with the supporting part position and be connected, the rigid coupling has mounting panel 3 on the installation department, mounting panel 3 one end extends to inner tube 2 top center department and has seted up socket 4, socket 4 coincides with inner tube 2 axis, swing joint has the fixed part on the mounting panel 3, fixed part one end swing joint is in socket 4.
Through setting up outer tube 1 to constitute the curved surface by the concentric elliptic curve that contracts gradually from top to bottom to be connected through supporting part and installation department with inner tube 2 and outer tube 1 and be connected fixedly, can expose the art field in the operation use in the maximum scope, effectively reduce operation incision size, the biggest tractive wound, the tension to the incision is even, have incision edge visibility, reduce unnecessary brain tissue damage, and, through set up socket 4 on installation board 3, can install apparatuses such as pjncture needle or endoscope in socket 4, and extend this retractor through inner tube 2, then fix it through the fixed part, and is easy and convenient to operate, can fully release the assistant, the better cooperation operator accomplishes the operation.
According to a further optimization scheme, the supporting part comprises a holding handle 5, the holding handle 5 is fixedly connected to the outer edge of the top opening of the outer tube 1, and a notch groove 6 is formed in one side of the bottom surface of the holding handle.
The handle 5 is arranged to facilitate the operation of the retractor to invade brain tissue as a whole.
Further optimizing scheme, the installation department includes buckle closure 7, buckle closure 7 and handle 5 position are corresponding and can dismantle the connection, first recess 8 has been seted up to buckle closure 7 bottom surface, first recess 8 one end and external intercommunication, the other end is sealed, sliding connection has first slider 9 in first recess 8, first slider 9 one end rigid coupling has first buckle 10, first buckle 10 and notch 6 position are corresponding and can dismantle the connection, first slider 9 is kept away from first buckle 10's one end and is stretched out first recess 8 and rigid coupling has push pedal 11, and be equipped with first reset assembly between first slider 9 and the buckle closure 7.
When the inner tube 2 and the outer tube 1 are installed, the inner tube 2 is inserted into the outer tube 1, the push plate 11 is pushed to drive the first sliding block 9 to slide in the first groove 8, so that the first buckle 10 and the notch groove 6 are staggered, then the buckle cover 7 is attached to the holding handle 5, then the first push plate 11 is loosened, the first sliding block 9 and the first buckle 10 are driven by the first resetting piece to reset, so that the first buckle 10 is clamped in the notch groove 6, the buckle cover 7 and the holding handle 5 are connected and fixed, and the inner tube 2 and the outer tube 1 are fixed together to form a retractor.
Further optimizing scheme, first reset assembly includes upper and lower corresponding second recess 12 and third recess 13, and second recess 12 is seted up at first slider 9 top surface, and third recess 13 is seted up at first recess 8 top surface, and the end face that third recess 13 kept away from push pedal 11 and the end face that second recess 12 is close to push pedal 11 between the rigid coupling have first spring 14.
When pushing the push plate 11 to drive the first sliding block 9 to slide, the first spring 14 is compressed in the second groove 12 and the third groove 13, otherwise, the first sliding block 9 can be driven to reset by the reaction force of the first spring 14 by loosening the push plate 11.
Further optimizing scheme, mounting panel 3 rigid coupling is at buckle closure 7 top surface, the fixed part includes fourth recess 15, fourth recess 15 is seted up at mounting panel 3 top surface, fourth recess 15 one end and socket 4 intercommunication, sliding connection has second slider 16 in fourth recess 15, the one end rigid coupling that second slider 16 is close to socket 4 has butt piece 17, butt piece 17 stretches into socket 4 and swing joint in socket 4, the one end top surface rigid coupling that socket 4 was kept away from to second slider 16 has arm-tie 18, be equipped with the second subassembly that resets between the terminal surface that socket 4 was kept away from to second slider 16 and fourth recess 15.
When the puncture needle, the endoscope and other instruments need to be fixed, the pulling plate 18 is pulled outwards, the pulling plate 18 drives the second sliding block 16 to slide in the fourth groove 15, so that the abutting block 17 is displaced, a mounting space is reserved in the socket 4, then the puncture needle, the endoscope and other instruments penetrate into the socket 4, after the position is proper, the pulling plate 18 is loosened, the second resetting piece drives the second sliding block 16 to reset, the abutting block 17 generates extrusion force on the puncture needle, the endoscope and other instruments, and the puncture needle, the endoscope and other instruments are fixed in the socket 4.
Further, a gap is formed between the end surfaces of the pull plate 18 and the fourth groove 15 far away from the socket 4, and a movable space of the pull plate 18 and the second slider 16 is reserved.
Further, the structure of the abutment block 17 may be dependent on the structure of the different instruments such as the puncture needle and the endoscope.
Further optimizing scheme, the second reset assembly includes fifth recess 19, and fifth recess 19 is seted up in second slider 16 bottom surface, and the one end that the socket 4 was kept away from to fifth recess 19 communicates with the external world, and the tip rigid coupling that the socket 4 was kept away from to fourth recess 15 has fixed block 20, and fixed block 20 and fifth recess 19 sliding connection, and the rigid coupling has second spring 21 between fixed block 20 and the fifth recess 19.
When the pulling plate 18 is pulled, the second spring 21 is compressed between the fixing block 20 and the end face of the fifth groove 19, otherwise, the pulling plate 18 is released, the second slider 16 is reset by the reaction force of the second spring 21, and the abutting block 17 generates extrusion force to fix the puncture needle, the endoscope and other instruments.
Further optimizing scheme, the inner wall of the inner tube 2 is in a sealing state after being attached to the inner wall of the outer tube 1.
The bottom end opening of the outer tube 1 is closed so that the tissue does not enter the retractor from the outer tube 1, i.e. the operation channel, until the designated position has not been reached after the tissue has been invaded.
Further optimizing scheme, the bottom of the inner tube 2 stretches out of the bottom of the outer tube 1.
The sealing effect on the outer tube 1 can be further improved.
Further, the materials of the outer tube 1 and the inner tube 2 are preferably made of transparent materials.
The application can protect the incision to be operated, effectively prevent bleeding and oozing blood, always keep the incision edge moist, reduce tissue injury, obviously reduce incision infection risk, quicken wound healing and help the wound healing smooth, has very convenient operation, fully releases hands of an assistant, better matches with an operator to finish operation, rapidly places and takes out, has even tension on brain tissue, avoids secondary injury, prevents cerebrospinal fluid from flowing into to interfere with visual field, and has higher safety and reliability.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
The above embodiments are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solutions of the present application should fall within the protection scope defined by the claims of the present application without departing from the design spirit of the present application.
Claims (8)
1. A self-locking brain tissue retractor comprising:
the outer tube (1) is opened at two ends of the outer tube (1), the outer wall and the inner wall of the outer tube (1) form a curved surface by concentric elliptic curves which gradually shrink from top to bottom, and the outer edge of the top opening of the outer tube (1) is fixedly connected with a supporting part;
inner tube (2), inner tube (2) structure with outer tube (1) looks adaptation, inner tube (2) both ends are opened, inner tube (2) with outer tube (1) inner chamber grafting, inner tube (2) top outer fringe rigid coupling has a installation department, the installation department with supporting part position is corresponding and can dismantle and be connected, the rigid coupling has mounting panel (3) on the installation department, mounting panel (3) one end extends to inner tube (2) top center department and has seted up socket (4), socket (4) with inner tube (2) axis coincidence, swing joint has a fixed part on mounting panel (3), fixed part one end swing joint is in socket (4).
2. A self-locking brain tissue retractor according to claim 1, wherein: the supporting part comprises a holding handle (5), the holding handle (5) is fixedly connected to the outer edge of the top opening of the outer tube (1), and a notch groove (6) is formed in one side of the bottom surface of the holding handle.
3. A self-locking brain tissue retractor according to claim 2, wherein: the mounting part comprises a buckle cover (7), the buckle cover (7) corresponds to the position of the holding handle (5) and can be detachably connected, a first groove (8) is formed in the bottom surface of the buckle cover (7), one end of the first groove (8) is communicated with the outside, the other end of the first groove is closed, a first sliding block (9) is connected in the first groove (8) in a sliding mode, one end of the first sliding block (9) is fixedly connected with a first buckle (10), the first buckle (10) corresponds to the position of the notch groove (6) and can be detachably connected with the notch groove, one end of the first sliding block (9) away from the first buckle (10) extends out of the first groove (8) and is fixedly connected with a push plate (11), and a first reset assembly is arranged between the first sliding block (9) and the buckle cover (7).
4. A self-locking brain tissue retractor according to claim 3, wherein: the first reset component comprises a second groove (12) and a third groove (13) which are vertically corresponding, the second groove (12) is formed in the top surface of the first sliding block (9), the third groove (13) is formed in the top surface of the first groove (8), and a first spring (14) is fixedly connected between the end surface of the third groove (13) away from the push plate (11) and the end surface of the second groove (12) close to the push plate (11).
5. A self-locking brain tissue retractor according to claim 3, wherein: mounting panel (3) rigid coupling is in buckle closure (7) top surface, fixed part includes fourth recess (15), fourth recess (15) are seted up mounting panel (3) top surface, fourth recess (15) one end with socket (4) intercommunication, sliding connection has second slider (16) in fourth recess (15), second slider (16) are close to the one end rigid coupling of socket (4) has butt piece (17), butt piece (17) stretch into socket (4) and swing joint are in socket (4), second slider (16) are kept away from one end top surface rigid coupling of socket (4) has arm-tie (18), second slider (16) with fourth recess (15) are kept away from be equipped with the second between the terminal surface of socket (4) and reset the subassembly.
6. A self-locking brain tissue retractor according to claim 5, wherein: the second reset assembly comprises a fifth groove (19), the fifth groove (19) is formed in the bottom surface of the second sliding block (16), one end, away from the socket (4), of the fifth groove (19) is communicated with the outside, the end, away from the socket (4), of the fourth groove (15) is fixedly connected with a fixing block (20), the fixing block (20) is in sliding connection with the fifth groove (19), and a second spring (21) is fixedly connected between the fixing block (20) and the fifth groove (19).
7. A self-locking brain tissue retractor according to claim 1, wherein: the outer wall of the inner tube (2) is in a sealing state after being attached to the inner wall of the outer tube (1).
8. A self-locking brain tissue retractor according to claim 1, wherein: the bottom end of the inner tube (2) extends out of the bottom end of the outer tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310814522.4A CN116784902A (en) | 2023-07-05 | 2023-07-05 | A self-locking brain tissue retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310814522.4A CN116784902A (en) | 2023-07-05 | 2023-07-05 | A self-locking brain tissue retractor |
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| Publication Number | Publication Date |
|---|---|
| CN116784902A true CN116784902A (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310814522.4A Pending CN116784902A (en) | 2023-07-05 | 2023-07-05 | A self-locking brain tissue retractor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060287583A1 (en) * | 2005-06-17 | 2006-12-21 | Pool Cover Corporation | Surgical access instruments for use with delicate tissues |
| CN102935004A (en) * | 2012-12-11 | 2013-02-20 | 苏州希普生物科技有限公司 | Disposable retractor for brain operation |
| CN211131319U (en) * | 2019-11-22 | 2020-07-31 | 万泽安 | Clinical piercing depth of cardiovascular internal medicine |
| CN114271879A (en) * | 2021-12-24 | 2022-04-05 | 南昌华安众辉健康科技有限公司 | Retractor fixator for brain tissue |
| CN114469206A (en) * | 2022-02-14 | 2022-05-13 | 福建医科大学附属第一医院 | Accurate location brain leads out device |
-
2023
- 2023-07-05 CN CN202310814522.4A patent/CN116784902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060287583A1 (en) * | 2005-06-17 | 2006-12-21 | Pool Cover Corporation | Surgical access instruments for use with delicate tissues |
| CN102935004A (en) * | 2012-12-11 | 2013-02-20 | 苏州希普生物科技有限公司 | Disposable retractor for brain operation |
| CN211131319U (en) * | 2019-11-22 | 2020-07-31 | 万泽安 | Clinical piercing depth of cardiovascular internal medicine |
| CN114271879A (en) * | 2021-12-24 | 2022-04-05 | 南昌华安众辉健康科技有限公司 | Retractor fixator for brain tissue |
| CN114469206A (en) * | 2022-02-14 | 2022-05-13 | 福建医科大学附属第一医院 | Accurate location brain leads out device |
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