CN109745112B - A screw kit structure - Google Patents
A screw kit structure Download PDFInfo
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- CN109745112B CN109745112B CN201910162016.5A CN201910162016A CN109745112B CN 109745112 B CN109745112 B CN 109745112B CN 201910162016 A CN201910162016 A CN 201910162016A CN 109745112 B CN109745112 B CN 109745112B
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Abstract
本发明公开了一种螺钉套件结构，涉及医疗器械领域，要解决的是现有软骨手术中的易脱落等问题。本产品包括基准螺钉、卡线螺钉、紧线螺钉、固定套筒和缝合线，所述固定套筒包括套筒主体和套筒更换头，套筒主体通过不同的套筒更换头分别与基准螺钉、卡线螺钉和紧线螺钉相固定，缝合线安装在操作口中。本产品设计合理，在整个手术过程固定位置自由，缝合线的松紧度可以自由调节，固定完成后的螺钉防脱效果好，减少了因缝合线过紧造成的软骨、软组织或肌腱损伤，提高了术者的手术效率，具有广阔的应用前景。
The present invention discloses a screw kit structure, which relates to the field of medical devices, and aims to solve the problems of easy falling off in existing cartilage surgeries. This product includes a reference screw, a clamping screw, a tightening screw, a fixed sleeve and a suture. The fixed sleeve includes a sleeve body and a sleeve replacement head. The sleeve body is respectively fixed to the reference screw, the clamping screw and the tightening screw through different sleeve replacement heads, and the suture is installed in the operating port. This product is reasonably designed, and the fixed position is free during the entire surgical process. The tightness of the suture can be freely adjusted. The screw has a good anti-slip effect after fixation, which reduces cartilage, soft tissue or tendon damage caused by over-tight sutures, improves the operator's surgical efficiency, and has broad application prospects.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a screw suite structure.
Background
In conventional operations such as cartilage or soft tissue repair fixation operations, repair operations at the time of injury of rotator cuff or other tendon, repair or reconstruction of joint or meniscus defects using tissue engineering cartilage, repair or reconstruction of tumor resection, defects, loss of ear, nose, trachea, meibomian, etc. caused by trauma or congenital diseases, it is generally required to repair the injury and promote recovery by surgical operations, and in these operations, it is generally required to use rivets, nails, sutures, absorbable nails or gels, etc. for fixation. Because the cartilage biological strength is lower, the probability of cartilage or soft tissue shedding after repair is larger, the operation failure rate is higher, and many patients need to perform secondary operation with higher cost.
The following drawbacks exist in the conventional methods of operation of the above described surgery: the suture operation is long in time consumption, poor in fixing effect and complex in treatment steps; the screw fixation strength is not matched with the cartilage or regenerated cartilage strength; the gel fixation strength is small; the fixation of the thread is also caused by mismatching of strength and improper locking, which is easy to damage cartilage, soft tissues or tendons; when the screw tightens the suture, the risk of pulling the screw out of the cancellous bone is high, and hidden danger is brought to the recovery of the patient.
Disclosure of Invention
The present invention is directed to a screw set structure for solving the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a screw external member structure, includes benchmark screw, card line screw, tight line screw, fixed sleeve and suture, benchmark screw, card line screw and tight line screw all are provided with the operation mouth, prevent moving back tooth and bone growth and go into the groove, and fixed sleeve includes sleeve main part and sleeve change the head, and sleeve change the head and install in the sleeve main part, sleeve main part is fixed mutually with benchmark screw, card line screw and tight line screw respectively through different sleeve change the head, and the suture is installed in the operation mouth.
As a further scheme of the invention: be provided with first operation mouth on the reference screw, be provided with U type between head end and the first operation mouth of reference screw and cross the line hole, the suture line is installed in U type and is crossed the line hole, and U type is crossed the line hole and is linked together with first operation mouth through the suture line export, and first operation mouth is the hexagon, and first card wire casing has been seted up on the relative both sides on first operation mouth top.
As a further scheme of the invention: the outer wall of the reference screw is provided with a fixed thread, anti-withdrawal teeth and bone growth entering grooves are uniformly distributed in the interval of the fixed thread, the bone growth entering grooves are positioned at the rear side of the anti-withdrawal teeth in the advancing direction, the anti-withdrawal effect of the reference screw can be further increased after the bone growth entering grooves are formed in the bone growth process, and oblique angles are formed on one side of the anti-withdrawal teeth in the advancing direction and one side of the axial head end, so that the reference screw can be screwed in conveniently.
As a further scheme of the invention: the appearance of card line screw is similar with reference screw appearance structure, card line screw's tail end is equipped with the second operation mouth, the second operation mouth is the same with reference screw's first operation mouth structure, the second card wire casing has been seted up to card line screw's head end one side, the fillet processing is done to the junction of second card wire casing and outer wall, prevent the fish tail suture, be equipped with first wire casing on the outer wall between second card wire casing and the second operation mouth, be convenient for fix the back and finely tune the suture, can not wear the suture because of card line screw and the tight effect of bone wall simultaneously, card line screw is different from reference screw's locate in, card line screw's outer wall is equipped with the anticreep tooth, replaced reference screw's fixed screw, guarantee card line screw can only go up the straight action, the anticreep tooth is perpendicular to second operation mouth one side and with the bone wall, the anticreep tooth is bevel processing towards head end one side, guarantee card line screw has the characteristics of downward movement and upward anticreep function, the anticreep tooth evenly arranges in second card wire casing both sides, card line screw's direction perpendicular second card wire casing is provided with the anticreep tooth and card line bone length groove evenly, can not be worn the suture because of card line screw and card line screw clamp line screw's clamp tooth and clamp line screw's clamp tooth, the tooth is different from the looks like bone length groove, the tooth is set up the anticreep tooth, the anticreep tooth is located with the opposite bone screw, the anticreep tooth is located with the bone screw, the anticreep tooth is set up to the bone length screw.
As a further scheme of the invention: the outer wall structure of the outer screw of the tight line is set to be the same as the wire clamping screw, the tail end of the outer screw of the tight line is provided with a third operation port, the third operation port is of a round hole structure, the head end of the outer screw of the tight line is provided with a third wire clamping groove, a first internal thread is arranged between the third operation port and the third wire clamping groove, a wire winding groove is formed in one side of the first internal thread, facing the head end, of the outer screw of the tight line, and the wire clamping screw are different in that the outer screw of the tight line is not provided with a first wire passing groove, and stress relation loosening of a suture after the suture is fixed is prevented.
As a further scheme of the invention: the screw in the tight line includes outer hexagonal operation end, first external screw thread and wrapping post, and the top of wrapping post adopts the inflation structure, and opens there is the fourth card wire casing, and the radius of wire casing is greater than the radius of wrapping post, and the radius difference of wire casing and wrapping post is greater than the diameter of suture line.
As a further scheme of the invention: the sleeve main part includes handle and body of rod, and the inside on body of rod top is provided with interior hexagonal fixed orifices, and the both sides on interior hexagonal fixed orifices top are equipped with U type fixed arm. The sleeve body can be used for fixing the tightening screw, and the sleeve replacement head can be additionally arranged for fixing the reference screw and the clamping screw.
As a further scheme of the invention: the sleeve replacement head comprises an outer hexagonal fixing column and an I-shaped operation head which are connected, second wire passing grooves are formed in two sides of the I-shaped operation head, suture lines are prevented from being worn in the process of fixing the reference screw and the wire clamping screw, and the sleeve replacement head can be used for fixing the reference screw and the wire clamping screw.
As a further scheme of the invention: the sleeve main body is replaced by a second sleeve, the second sleeve comprises a second sleeve main body and a limiting sleeve, a circle of second external threads are arranged on the outer wall of the top end of the second sleeve main body, a sliding shaft which is convenient for the limiting sleeve to slide spirally is arranged between the second external threads and the U-shaped fixed arm, a second internal thread and a sliding hole are arranged in the limiting sleeve, the length of the sliding hole is shorter than that of the sliding shaft, and the difference value between the length of the sliding hole and the length of the sliding shaft is larger than the depth of a third operation port of the tightening screw.
Compared with the prior art, the invention has the beneficial effects that:
the product is reasonable in design, the reference screw is preloaded with the suture thread when leaving the factory, an operator can use the reference screw as a base point for fixing cartilage, soft tissues or tendons after selecting a pre-fixing position according to the requirement, the operator can adjust the tightness of the suture thread in the fixing process by clamping the thread screw fixing process hole (except the last hole), the last hole uses the thread tightening screw to simultaneously clamp and reinforce the thread ends of the two suture threads, and the suture thread can be tightened by adjusting the screw in the thread tightening screw according to the requirement in the reinforcing process;
the fixing position of the product in the whole operation process is free, the tightness of the suture line can be freely adjusted, the screw after the fixation is finished has good anti-drop effect, the damage to cartilage, soft tissue or tendon caused by the overtightening of the suture line is reduced, the operation efficiency of an operator is improved, and the product has wide application prospect.
Drawings
Fig. 1 is a schematic view of the structure of a reference screw and suture in a screw set configuration.
Fig. 2 is a perspective view of a reference screw in the screw set configuration.
Fig. 3 is an elevation view of a reference screw in the screw set configuration.
Fig. 4 is a top view of a reference screw in the screw set configuration.
Fig. 5 is a cross-sectional view of the reference screw A-A in the screw set configuration.
Fig. 6 is a perspective view of a wire clamping screw in the screw set configuration.
Fig. 7 is an elevation view of a stuck screw in a screw set configuration.
Fig. 8 is a top view of a stuck screw in a screw set configuration.
Fig. 9 is a cross-sectional view of the thread-clamping screw B-B in the screw set configuration.
Fig. 10 is a perspective view of a binding screw in a screw set configuration.
Fig. 11 is an elevation view of a binding screw in a screw set configuration.
Fig. 12 is a top view of a binding screw in a screw set configuration.
Fig. 13 is a cross-sectional view of the tightening screw C-C in the screw set configuration.
Fig. 14 is an elevation view of a suture-fed screw in a screw set configuration.
Fig. 15 is a top view of a tight-wire external screw in the screw set configuration.
Fig. 16 is a cross-sectional view of the screw set structure taken along the direction D-D of the suture.
Fig. 17 is an elevation view of an in-line screw in a screw set configuration.
Fig. 18 is a top view of an in-line screw in a screw set configuration.
Fig. 19 is a cross-sectional view of the screw E-E in the tightening line of the screw set structure.
Fig. 20 is a perspective view of the sleeve body in the screw set configuration.
Fig. 21 is an enlarged view of the screw set structure at the sleeve body F.
Fig. 22 is a front view of the sleeve body in the screw set configuration.
Fig. 23 is an enlarged view of the sleeve body H in the screw set configuration.
Fig. 24 is a top view of the sleeve body in the screw set configuration.
Fig. 25 is an enlarged view of the sleeve body G in the screw set configuration.
Fig. 26 is a perspective view of the sleeve changing head in the screw set configuration.
Fig. 27 is a top view of the sleeve changing head in the screw set configuration.
Fig. 28 is an elevation view of a second sleeve in the screw set configuration.
Fig. 29 is a cross-sectional view of the second sleeve I-I in the screw set structure.
Fig. 30 is a front view of a second sleeve body in a screw set configuration.
Fig. 31 is a front view of the stop collar in the screw set configuration.
Fig. 32 is a sectional view of the stop collar J-J in the screw set configuration.
Fig. 33 is a front view of the screw set structure.
Wherein: 1-reference screw, 2-clamping screw, 3-tightening screw, 4-sleeve body, 5-sleeve replacement head, 6-second sleeve, 7-suture, 11-U-shaped thread passing hole, 12-first operation port, 13-first clamping slot, 14-fixed thread, 15-anti-withdrawing tooth, 16-bone in slot, 21-second clamping slot, 22-first thread passing slot, 23-anti-disengaging tooth, 24-anti-rotating tooth, 25-clamping screw bone in slot, 26-second operation port, 31-tightening external screw, 32-tightening internal screw, 41-internal hexagonal fixing hole, 42-U-shaped fixing arm, 43-handle, 51-external hexagonal fixing column, 52-I-shaped operation head, 53-second clamping slot, 61-second sleeve body, 62-limit sleeve, 111-suture outlet, 311-first internal thread, 312-winding slot, 313-third clamping slot, 314-third operation port, 321-external hexagonal operation port, 322-first external thread, 612-external thread in slot, 612-second axial thread in slot, 53-third clamping slot, 621-external thread sliding hole, 621-external thread in slot, 612-shaped operation head, 53-second axial thread in slot, 61-second axial thread sliding hole in the shape.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Example 1
The utility model provides a screw external member structure, includes benchmark screw 1, card line screw 2, tight line screw 3, fixed sleeve and suture 7, benchmark screw 1, card line screw 2 and tight line screw 3 all are provided with the operation mouth, prevent moving back tooth 15 and bone and grow into groove 16, fixed sleeve includes sleeve main part 4 and sleeve change head 5, sleeve change head 5 installs on sleeve main part 4, sleeve main part 4 is fixed with benchmark screw 1 respectively through different sleeve change head 5, card line screw 2 and tight line screw 3 mutually, suture 7 installs in the operation mouth, through the nimble combination of benchmark screw 1, card line screw 2 and tight line screw 3 use, cartilage and soft tissue's fixed effect has been increased, the damage probability to cartilage and soft tissue in the suture 7 reinforcement process has been reduced, the surgical efficiency of the operator has been improved, benchmark screw 1, card line screw 2 and tight line screw 3 all approximate bullet molding, be convenient for fix.
Be provided with first operation mouth 12 on the reference screw 1, be provided with U type wire passing hole 11 between the head end of reference screw 1 and the first operation mouth 12, suture 7 installs in U type wire passing hole 11, and U type wire passing hole 11 is linked together with first operation mouth 12 through suture export 111, and first operation mouth 12 is the hexagon, and first card wire casing 13 has been seted up to the relative both sides on first operation mouth 12 top.
The outer wall of the reference screw 1 is provided with a fixed thread 14, anti-withdrawal teeth 15 and bone growth entering grooves 16 are uniformly distributed in the space between the fixed threads 14, the bone growth entering grooves 16 are positioned at the rear side of the advancing direction of the anti-withdrawal teeth 15, the anti-withdrawal effect of the reference screw 1 can be further increased after the bone growth entering grooves 16 in the bone growth process, and oblique angles are formed on one side of the advancing direction of the anti-withdrawal teeth 15 and one side of the axial direction of the head end, so that the screw 1 is convenient to screw.
The appearance of card line screw 2 is similar with reference screw 1 appearance structure, the tail end of card line screw 2 is equipped with second operation mouth 26, second operation mouth 26 is the same with reference screw 1's first operation mouth 12 structure, second card wire casing 21 has been seted up to card line screw 2's head end one side, the fillet processing is done to second card wire casing 21 and outer wall junction, prevent fish tail suture 7, be equipped with first wire casing 22 on the outer wall between second card wire casing 21 and the second operation mouth 26, be convenient for fix the back and finely tune suture 7, can not wear out suture 7 because of card line screw 2 and the clamping action of bone wall simultaneously, card line screw 2 is different from reference screw 1's department in, card line screw 2's outer wall is equipped with anticreep tooth 23, replaced reference screw 1's fixed thread 14, guarantee card line screw 2 can only direct upward direct action, anticreep tooth 23 is towards second operation mouth 26 one side and perpendicular with the bone wall, anticreep tooth 23 is the oblique angle processing towards head end one side, guarantee card line screw 2 has down motion and upward anticreep function's characteristics, the second card wire casing 21 is evenly arranged to the both sides of anticreep tooth 23, the second card line screw 2 is listed as the anticreep tooth 21 and the looks at the same with the long thread groove 25 is located on the opposite to the long thread groove of card line screw 24, the long thread 25 is located with the opposite to the long thread 25, the long thread 25 is gone into with the equal card line screw 24, the long thread 25 is set up the anticreep groove 25, the long thread is located with the left and is located with the screw 1 on the opposite the left-stop screw 25, the left and is set up the left and is opposite to the left thread screw, the screw 25.
The sleeve body 4 comprises a handle 43 and a rod body, wherein an inner hexagonal fixing hole 41 is formed in the top end of the rod body, and U-shaped fixing arms 42 are arranged on two sides of the top end of the inner hexagonal fixing hole 41. The sleeve body 4 can be used for fixing the tightening screw 3, and the sleeve replacement head 5 can be added for fixing the reference screw 1 and the clamping screw 2.
The sleeve replacing head 5 comprises an outer hexagonal fixing column 51 and an I-shaped operating head 52 which are connected, second wire passing grooves 53 are formed in two sides of the I-shaped operating head 52, a suture thread is prevented from being worn in the process of fixing a reference screw and a clamping screw, and the sleeve replacing head can be used for fixing the reference screw 1 and the clamping screw 2.
Example 2
The utility model provides a screw external member structure, includes benchmark screw 1, card line screw 2, tight line screw 3, fixed sleeve and suture 7, benchmark screw 1, card line screw 2 and tight line screw 3 all are provided with the operation mouth, prevent moving back tooth 15 and bone and grow into groove 16, fixed sleeve includes sleeve main part 4 and sleeve change head 5, sleeve change head 5 installs on sleeve main part 4, sleeve main part 4 is fixed with benchmark screw 1 respectively through different sleeve change head 5, card line screw 2 and tight line screw 3 mutually, suture 7 installs in the operation mouth, through the nimble combination of benchmark screw 1, card line screw 2 and tight line screw 3 use, cartilage and soft tissue's fixed effect has been increased, the damage probability to cartilage and soft tissue in the suture 7 reinforcement process has been reduced, the surgical efficiency of the operator has been improved, benchmark screw 1, card line screw 2 and tight line screw 3 all approximate bullet molding, be convenient for fix.
The line tightening screw 3 is formed by combining the line tightening external screw 31 and the line tightening internal screw 32, the outer wall structure of the line tightening external screw 31 is identical to that of the line clamping screw 2, the tail end of the line tightening external screw 31 is provided with a third operation port 314, the third operation port 314 is of a round hole structure, the head end of the line tightening external screw 31 is provided with a third line clamping groove 313, a first internal thread 311 is arranged between the third operation port 314 and the third line clamping groove 313, a winding groove 312 is arranged on one side of the first internal thread 311 towards the head end, and the line tightening external screw 31 is different from the line clamping screw 2 in that the line tightening external screw 31 is not provided with a first line passing groove 22, so that the stress relation of the fixed suture 7 is prevented from loosening.
The screw 32 in the tightening wire comprises an outer hexagonal operation end 321, a first external thread 322 and a winding post 323, wherein the top end of the winding post 323 adopts an expanding structure, a fourth wire clamping groove 324 is formed in the top end of the winding post 323, the radius of the winding groove 312 is larger than that of the winding post 323, and the difference between the radius of the winding groove 312 and the radius of the winding post 323 is larger than that of the suture 7.
The sleeve main body 4 is replaced by a second sleeve 6, the second sleeve 6 comprises a second sleeve main body 61 and a limiting sleeve 62, a circle of second external threads 612 is arranged on the outer wall of the top end of the second sleeve main body 61, a sliding shaft 611 which is convenient for the limiting sleeve 62 to slide in a spiral manner is arranged between the second external threads 612 and the U-shaped fixed arm 42, a second internal thread 622 and a sliding hole 621 are arranged in the limiting sleeve 62, the length of the sliding hole 621 is shorter than that of the sliding shaft 611, and the difference between the length of the sliding hole 621 and the length of the sliding shaft 611 is larger than the depth of the third operation port 314 of the tightening screw 3.
Compared with the screw or nail line fixing mode in the traditional method, the external member can be used for fixing cartilage, soft tissues or tendons by selecting different screw combinations according to operation requirements, and the suture 7 can be finely adjusted in the fixing process so as to achieve a better fixing effect. When the tightening force of the suture required for fixing is large, a combination mode of the reference screw 1 and the tightening screw 3 is suggested; when the tightening force of the suture needed for fixation is moderate or the tightening force of the area is different, a combination mode of a reference screw 1 (head screw), a clamping screw 2 (process screw) and a tightening screw 3 (tail screw) is suggested to be used; when the tightening force of the suture required for fixation is small, it is recommended to use a combination of the reference screw 1 and the click screw 2.
The application method of the product is not limited to the suggested combination mode, and the operation can be matched with other different combination modes according to the needs and the use experience to achieve the relatively best operation effect.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162016.5A CN109745112B (en) | 2019-03-05 | 2019-03-05 | A screw kit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162016.5A CN109745112B (en) | 2019-03-05 | 2019-03-05 | A screw kit structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109745112A CN109745112A (en) | 2019-05-14 |
| CN109745112B true CN109745112B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910162016.5A Expired - Fee Related CN109745112B (en) | 2019-03-05 | 2019-03-05 | A screw kit structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN109745112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224462B (en) * | 2021-12-13 | 2024-03-29 | 北京纳通医疗科技控股有限公司 | Connecting rod anti-drop piece, rod connecting seat and pedicle screw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105636525A (en) * | 2013-03-12 | 2016-06-01 | 吉普泰克有限公司 | Apparatus and method for securing tissue |
| KR20160110599A (en) * | 2015-03-09 | 2016-09-22 | (주) 신한씨스텍 | Cannula driver and suture anchor kit |
| CN108420480A (en) * | 2018-05-22 | 2018-08-21 | 谭洪波 | A kind of cartilage and soft tissue fixation devices |
| CN208464162U (en) * | 2018-01-12 | 2019-02-05 | 丁伟 | A kind of fixation holdfast |
| CN209847355U (en) * | 2019-03-05 | 2019-12-27 | 上海节惠生物科技有限公司 | A screw set structure |
-
2019
- 2019-03-05 CN CN201910162016.5A patent/CN109745112B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105636525A (en) * | 2013-03-12 | 2016-06-01 | 吉普泰克有限公司 | Apparatus and method for securing tissue |
| KR20160110599A (en) * | 2015-03-09 | 2016-09-22 | (주) 신한씨스텍 | Cannula driver and suture anchor kit |
| CN208464162U (en) * | 2018-01-12 | 2019-02-05 | 丁伟 | A kind of fixation holdfast |
| CN108420480A (en) * | 2018-05-22 | 2018-08-21 | 谭洪波 | A kind of cartilage and soft tissue fixation devices |
| CN209847355U (en) * | 2019-03-05 | 2019-12-27 | 上海节惠生物科技有限公司 | A screw set structure |
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| CN109745112A (en) | 2019-05-14 |
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Granted publication date: 20240416 |