CN111658231B - Fixing device for joint dislocation or ligament reconstruction - Google Patents
Fixing device for joint dislocation or ligament reconstruction Download PDFInfo
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- CN111658231B CN111658231B CN202010660529.1A CN202010660529A CN111658231B CN 111658231 B CN111658231 B CN 111658231B CN 202010660529 A CN202010660529 A CN 202010660529A CN 111658231 B CN111658231 B CN 111658231B
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- ligament
- steel plate
- door
- shaped
- fixing device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0817—Structure of the anchor
- A61F2002/0823—Modular anchors comprising a plurality of separate parts
- A61F2002/0829—Modular anchors comprising a plurality of separate parts without deformation of anchor parts, e.g. fixation screws on bone surface, extending barbs, cams, butterflies, spring-loaded pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0847—Mode of fixation of anchor to tendon or ligament
- A61F2002/0858—Fixation of tendon or ligament between anchor and bone, e.g. interference screws, wedges
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Therapy (AREA)
- Rheumatology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The application provides a dislocation of joint or fixing device for ligament is rebuild, including subsides bone steel sheet, two button steel sheets, artificial ligament and two ligament tightness adjustment device, be equipped with upper groove and two installation counter bores on the top surface of subsides bone steel sheet, two installation counter bores are located respectively the both ends of upper groove, be equipped with the low groove on the binding face of subsides bone steel sheet, all be equipped with an inlet hole and a porose between low groove and every installation counter bore, ligament tightness adjustment device installs in the installation counter bore that corresponds, the both ends of artificial ligament pass the spacing hole of a button steel sheet earlier in proper order, the inlet hole that corresponds earlier, then twine on the ligament tightness adjustment device that corresponds, pass the spacing hole of corresponding porose, another button steel sheet at last in proper order. The multi-stage adjustment can be realized, and therefore the fixing effect is good.
Description
Technical Field
The invention relates to a medical instrument, in particular to a fixing device for joint dislocation or ligament reconstruction.
Background
As is known, reconstruction of coracoid clavicle ligament, reconstruction of dislocation reduction of acromioclavicular joint, reconstruction of knee joint ligament, reconstruction of fracture reduction of intra-articular avulsion and the like necessarily involve the problem of bone end fixation, but the existing fixing devices have poor fixing effect.
Chinese patent CN201710206708.6 discloses a coracoclavicular ligament rebuilds device, including first button steel sheet, second button steel sheet, artifical ligament and subsides bone steel sheet, wherein: the first button steel plate and the second button steel plate are both of plate-shaped structures, at least two limiting holes are formed in the first button steel plate and the second button steel plate respectively, and the artificial ligament penetrates through the limiting holes of the first button steel plate and the second button steel plate when being used in a matched mode. The fixing device for the dislocation of the joint or reconstruction of the ligament, which can adjust the length of the artificial ligament according to the actual condition of individual difference of a patient, not only can be used for fixing the dislocation of the joint or reconstruction of the ligament, but also is suitable for the reposition reconstruction of dislocation of the acromioclavicular joint, reconstruction of the knee joint, reconstruction of fracture by tearing off in the joint, reposition reconstruction and the like.
Disclosure of Invention
The invention aims to provide a fixing device for joint dislocation or ligament reconstruction, which solves the problem of poor fixing effect.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a dislocated joint or ligament are rebuild and are used fixing device, includes subsides bone steel sheet, two button steel sheets and artificial ligament, wherein, still includes two ligament tightness adjusting device, be equipped with upper groove and two installation counter bores on the top surface of subsides bone steel sheet, two installation counter bores are located respectively the both ends of upper groove, be equipped with the low groove on the binding face of subsides bone steel sheet, all be equipped with an inlet hole and a hole between low groove and every installation counter bore, ligament tightness adjusting device installs in the installation counter bore that corresponds, artificial ligament's both ends pass the spacing hole of a button steel sheet, the inlet hole that corresponds earlier in proper order, then twine on the ligament tightness adjusting device that corresponds, pass the spacing hole of corresponding, another button steel sheet at last in proper order.
Further, ligament elasticity adjusting device is in including rotating cover, annular distribution a plurality of roll-like shell fragment and locking device in the periphery of rotating the cover, locking device is used for preventing rotate the cover free rotation, the number of turns of roll-like shell fragment is 0.7, the lateral surface of roll-like shell fragment supports to press and is located corresponding arch on the inner wall of installation counter bore, artifical ligament winding is in the periphery of roll-like shell fragment.
Still further, the protruding stupefied that thickness trend gradually increases along the circumference, just protruding stupefied trend with the trend of roll-like shell fragment is opposite.
Furthermore, the cross section of the rolled elastic sheet is in a concave arc shape, and the concave arc surface is the outer side surface of the rolled elastic sheet.
Furthermore, the locking device comprises a door-shaped frame fixedly arranged on the bottom surface of the mounting counter bore, the door-shaped frame is positioned in the rotating sleeve, a sliding U-shaped fork is arranged on the door-shaped frame, and an elastic band fixedly arranged on the door-shaped frame acts on the tail part of the U-shaped fork to enable the front end of the U-shaped fork to be inserted into a corresponding pair of limiting holes on the rotating sleeve.
Furthermore, a guide rod is arranged between the two side arms of the U-shaped fork, the guide rod is in sliding fit with a guide hole on the door-shaped frame, and the two side arms of the U-shaped fork are respectively positioned at the upper side and the lower side of a door head of the door-shaped frame.
Furthermore, a bump is arranged on the end face of the rotating sleeve, and a deflector rod is arranged on the top face of the U-shaped fork.
Further, the bone-adhering device further comprises two cover plates connected to the bone-adhering steel plates through bolts, and the cover plates cover the corresponding ligament tightness adjusting devices.
Furthermore, the bone-sticking steel plate is in a horseshoe shape, and the joint surface of the bone-sticking steel plate is in an inward concave shape matched with the shape of the clavicle.
According to the technical scheme, the invention has the following beneficial effects: because ligament elasticity adjusting device of this application can carry out multistage adjustment to artifical ligament, consequently can make fixed effectual, and roll-like shell fragment has elasticity, consequently can avoid artifical ligament tension to cause the crowded wound of the position that resets at the adjustment in-process.
The invention is described in further detail below with reference to the following figures and detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged view of a portion of the structure of fig. 1.
Fig. 3 is a plan view of the bone-attaching steel plate of the present invention.
Fig. 4 is a schematic end face structure view of a rolled spring plate according to the present invention.
Description of the reference numerals: the bone-sticking steel plate 1, an upper groove 11, a lower groove 12, a mounting counter bore 13, a bulge 14, an inlet hole 15, an outlet hole 16, a through hole 17, a button steel plate 2, an artificial ligament 3, a ligament tightness adjusting device 4, a rotating sleeve 41, a limiting hole 411, a rolled elastic sheet 42, a portal frame 43, a U-shaped fork 44, a guide rod 441, a driving lever 442, a lug 45, an elastic tape 46 and a cover plate 5.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 to 4, the present invention is further described, and as shown in fig. 1, 2 and 3, the fixing device for dislocation of joints or reconstruction of ligaments comprises a bone-attaching steel plate 1, two button steel plates 2, an artificial ligament 3 and two ligament tightness adjusting devices 4, wherein an upper groove 11 and two mounting counterbores 13 are formed in the top surface of the bone-attaching steel plate 1, the two mounting counterbores 13 are respectively located at two ends of the upper groove 11, a lower groove 12 is formed in the bonding surface of the bone-attaching steel plate 1 of the upper groove 11, the upper groove 11 is connected with the lower groove 12 through a through hole 17, an inlet hole 15 and an outlet hole 16 are formed between the lower groove 12 and each mounting counterbore 13, the ligament adjusting devices 4 are installed in the corresponding mounting counterbores 13, when in use, the button steel plate 2 is seated in the upper groove 11 to protrude the clavicle as small as possible, the two ends of the artificial ligament 3 sequentially pass through the limiting hole of the button steel plate 2 located at the coracoid process and the corresponding inlet hole 15, then are wound on the corresponding ligament tightness adjusting device 4, and finally sequentially pass through the corresponding outlet hole 16 and the limiting hole of the other button steel plate 2, and finally the two ends of the artificial ligament 3 are knotted to form a ring shape, which can be a U shape or a 8-shaped ring shape.
The bone-sticking steel plate 1 is in a horseshoe shape, and the fitting surface of the bone-sticking steel plate 1 is in an inward concave shape matched with the clavicle shape.
As shown in fig. 3, the ligament tightness adjusting device 4 includes a rotating sleeve 41, a plurality of coil-shaped elastic pieces 42 annularly distributed on the periphery of the rotating sleeve 41, and a locking device, the locking device is used for preventing the rotating sleeve 41 from freely rotating, the number of turns of the coil-shaped elastic pieces 42 is 0.7, the outer side surface of the coil-shaped elastic pieces 42 is pressed against corresponding protrusions 14 located on the inner wall of the mounting counter bore 13, the artificial ligament 3 is wound on the periphery of the coil-shaped elastic pieces 42, wherein the protrusions 14 include protruding ridges whose thickness gradually increases along the circumferential direction, the direction of the protruding ridges is opposite to the direction of the coil-shaped elastic pieces 42, a protrusion 45 is arranged on the end surface of the rotating sleeve 41, a shift lever 442 is arranged on the top surface of the U-shaped fork 44, and both the protrusion 45 and the shift lever 442 are higher than the top surface of the mounting counter bore 13, when adjustment is required, the rotating sleeve 41 is unlocked, then drive the rotating sleeve 41 forward rotation or reverse rotation through stirring the lug 45, because the lateral surface of coil-like shell fragment 42 supports and presses on the arch 14, consequently rotate the rotatory in-process of sleeve 41 and can extrude or release coil-like shell fragment 42, during the extrusion, the diameter of coil-like shell fragment 42 can reduce, and then twine the length on the ligament tightness adjusting device 4 reduces, consequently can increase the distance between two button steel sheets 2, otherwise, then can reduce the distance between two button steel sheets 2, carry out multistage adjustment according to actual conditions, avoid exerting the fixed dynamics undersize or too big at the position that resets, consequently fixed effectual.
As shown in fig. 4, the cross section of the rolled elastic sheet 42 is in a concave arc shape, and the concave arc surface is the outer side surface of the rolled elastic sheet 42, which is to avoid the artificial ligament 3 moving in the axial position to affect the adjustment precision.
As shown in fig. 2 and 3, the locking device includes a door-shaped frame 43 fixedly disposed on the bottom surface of the mounting counterbore 13, the door-shaped frame 43 is disposed in the rotating sleeve 41, a sliding U-shaped fork 44 is disposed on the door-shaped frame 43, an elastic band 46 fixedly disposed on the door-shaped frame 43 acts on the tail portion of the U-shaped fork 44 to make the front end of the U-shaped fork 44 insert into a corresponding pair of limiting holes 411 disposed on the rotating sleeve 41, the structure is simple, and the protrusion is avoided, the locking function is satisfied, and the thickness of the bone-adhering steel plate 1 is not additionally increased, wherein a guide rod 441 is disposed between two side arms of the U-shaped fork 44, the guide rod 441 is in sliding fit with the guide holes disposed on the door-shaped frame 43, and the two side arms of the U-shaped fork 44 are disposed on the upper and lower sides of the door head of the door-shaped frame 43, so that the pair of limiting holes 411 inserted at the same time are disposed on the same generatrix, the position accuracy control of the limiting hole 411 is facilitated.
This application still includes through bolted connection paste 1 last two apron 5 of bone steel sheet, 5 covers on ligament tightness adjusting device 4 that correspond, not only make this application appearance pleasing to the eye, also avoid ligament tightness adjusting device 4 produces the hookup with clothes or other article and changes the fixed dynamics.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A fixing device for joint dislocation or ligament reconstruction comprises a boning steel plate (1), two button steel plates (2) and an artificial ligament (3), and is characterized by further comprising two ligament tightness adjusting devices (4), wherein the top surface of the boning steel plate (1) is provided with an upper groove (11) and two mounting counter bores (13), the two mounting counter bores (13) are respectively positioned at two ends of the upper groove (11), a binding surface of the boning steel plate (1) is provided with a lower groove (12), an inlet hole (15) and an outlet hole (16) are respectively arranged between the lower groove (12) and each mounting counter bore (13), the ligament tightness adjusting devices (4) are arranged in the corresponding mounting counter bores (13), two ends of the artificial ligament (3) sequentially penetrate through a limiting hole and a corresponding inlet hole (15) of one button steel plate (2) and then are wound on the corresponding ligament tightness adjusting devices (4), pass the spacing hole that corresponds portal (16), another button steel sheet (2) in proper order at last, wherein, ligament elasticity adjusting device (4) distribute including rotating cover (41), annular a plurality of roll-like shell fragment (42) and locking device in the periphery of rotating cover (41), locking device is used for preventing rotate cover (41) free rotation, the number of turns of roll-like shell fragment (42) is 0.7, the lateral surface of roll-like shell fragment (42) supports to press and is lieing in corresponding arch (14) on the inner wall of installation counter bore (13), artifical ligament (3) winding is in the periphery of roll-like shell fragment (42).
2. The device according to claim 1, wherein said protrusion (14) comprises a ridge of increasing thickness along a circumferential direction, said ridge extending in a direction opposite to that of said coiled spring (42).
3. The fixing device for joint dislocation or ligament reconstruction according to claim 2, wherein the cross section of the rolled elastic sheet (42) is in a concave arc shape, and the concave arc surface is the outer side surface of the rolled elastic sheet (42).
4. The fixing device for joint dislocation or ligament reconstruction according to claim 1, wherein the locking device comprises a door-shaped frame (43) fixedly arranged on the bottom surface of the mounting counter bore (13), the door-shaped frame (43) is positioned in the rotating sleeve (41), a sliding U-shaped fork (44) is arranged on the door-shaped frame (43), and an elastic band (46) fixedly arranged on the door-shaped frame (43) acts on the tail part of the U-shaped fork (44) to enable the front end of the U-shaped fork (44) to be inserted into a corresponding pair of limiting holes (411) on the rotating sleeve (41).
5. The dislocation of a joint or reconstruction of a ligament fixing device as claimed in claim 4, wherein a guide rod (441) is provided between both side arms of the U-shaped fork (44), the guide rod (441) is slidably fitted into a guide hole provided in the door-shaped frame (43), and both side arms of the U-shaped fork (44) are respectively provided on upper and lower sides of a lintel of the door-shaped frame (43).
6. The device according to claim 4, wherein the rotating sleeve (41) has a protrusion (45) on its end surface, and the U-shaped fork (44) has a lever (442) on its top surface.
7. The device according to claim 1, further comprising two cover plates (5) bolted to the osteosynthesis steel plate (1), said cover plates (5) covering the corresponding ligament slack adjusters (4).
8. The fixing device for joint dislocation or ligament reconstruction according to claim 1, wherein the bone-attached steel plate (1) is horseshoe-shaped, and the attachment surface of the bone-attached steel plate (1) is concave in shape matching with the clavicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660529.1A CN111658231B (en) | 2020-07-10 | 2020-07-10 | Fixing device for joint dislocation or ligament reconstruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660529.1A CN111658231B (en) | 2020-07-10 | 2020-07-10 | Fixing device for joint dislocation or ligament reconstruction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111658231A CN111658231A (en) | 2020-09-15 |
| CN111658231B true CN111658231B (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010660529.1A Active CN111658231B (en) | 2020-07-10 | 2020-07-10 | Fixing device for joint dislocation or ligament reconstruction |
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| Country | Link |
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| CN (1) | CN111658231B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340701A (en) * | 2013-06-06 | 2013-10-09 | 宋红娟 | Quantitative adjustable urethra middle section suspension device |
| CN107028683A (en) * | 2017-03-31 | 2017-08-11 | 上海长海医院 | A kind of coracoclavicular ligament reconstructing device |
| CN206491861U (en) * | 2016-11-04 | 2017-09-15 | 中国人民解放军第二军医大学 | Coracoclavicular ligament reconstructing system |
| CN108836569A (en) * | 2017-05-12 | 2018-11-20 | 上海利格泰生物科技有限公司 | The direct Suspending fixation device of soft material tissue grafts |
| CN108904032A (en) * | 2018-08-27 | 2018-11-30 | 黄玮 | A kind of double button steel plate list loop fixed mechanisms and fixed system |
| CN109044516A (en) * | 2018-09-10 | 2018-12-21 | 西南医科大学附属中医医院 | Belt loop steel plate component is adjusted in a kind of no bind |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8512376B2 (en) * | 2002-08-30 | 2013-08-20 | Arthrex, Inc. | Method and apparatus for internal fixation of an acromioclavicular joint dislocation of the shoulder |
| US8876900B2 (en) * | 2008-11-17 | 2014-11-04 | Arthrex, Inc. | AC joint repair using suture button graft construct and method of surgery |
| US9724080B2 (en) * | 2010-04-27 | 2017-08-08 | DePuy Synthes Products, Inc. | Insertion instrument for anchor assembly |
-
2020
- 2020-07-10 CN CN202010660529.1A patent/CN111658231B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340701A (en) * | 2013-06-06 | 2013-10-09 | 宋红娟 | Quantitative adjustable urethra middle section suspension device |
| CN206491861U (en) * | 2016-11-04 | 2017-09-15 | 中国人民解放军第二军医大学 | Coracoclavicular ligament reconstructing system |
| CN107028683A (en) * | 2017-03-31 | 2017-08-11 | 上海长海医院 | A kind of coracoclavicular ligament reconstructing device |
| CN108836569A (en) * | 2017-05-12 | 2018-11-20 | 上海利格泰生物科技有限公司 | The direct Suspending fixation device of soft material tissue grafts |
| CN108904032A (en) * | 2018-08-27 | 2018-11-30 | 黄玮 | A kind of double button steel plate list loop fixed mechanisms and fixed system |
| CN109044516A (en) * | 2018-09-10 | 2018-12-21 | 西南医科大学附属中医医院 | Belt loop steel plate component is adjusted in a kind of no bind |
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| CN111658231A (en) | 2020-09-15 |
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