CN102920498A - Telescopic tibiofibular syndesmosis fastening screw - Google Patents
Telescopic tibiofibular syndesmosis fastening screw Download PDFInfo
- Publication number
- CN102920498A CN102920498A CN2012104110251A CN201210411025A CN102920498A CN 102920498 A CN102920498 A CN 102920498A CN 2012104110251 A CN2012104110251 A CN 2012104110251A CN 201210411025 A CN201210411025 A CN 201210411025A CN 102920498 A CN102920498 A CN 102920498A
- Authority
- CN
- China
- Prior art keywords
- screw
- pipe box
- telescopic
- hold
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a tibiofibular syndesmosis fastening screw. The telescopic tibiofibular syndesmosis fastening screw comprises a sleeve (1), wherein a profile hole is formed under the sleeve (1); a screw (2) is arranged in the sleeve (1), the upper end of the screw (2) is provided with a smooth section, the middle part of the screw (1) is provided with a profile section matched with the profile hole under the sleeve (1), and the lower part of the screw (1) is provided with the screw; and a return spring (3) is arranged between the smooth section of the screw (2) and the sleeve (1). The telescopic tibiofibular syndesmosis fastening screw has the advantages of being simple in structure and convenient to use. When tibiofibular syndesmosis is damaged, a screw is used for fixing; after ligament of the tibiofibular syndesmosis is completely healed and stressed when moving around, the profile section in the middle part of the screw slides and stretches in the profile hole; and when weight disappears, the screw is returned in the action of the return spring. The telescopic tibiofibular syndesmosis fastening screw is in accordance with the micro physical property of human inferior tibiofibular joint, so that the problem that a conventional screw is broken when being fixed can be solved.
Description
Technical field
The present invention relates to a kind of lower tibiofibula associating hold-down screw.
Background technology
Jower tibiofibular joint claims again lower tibiofibula associating, is one of important feature of keeping dislocation of ankle joint, and lower tibiofibula is united by tibiofibula far-end and lower tibiofibula ligament complex and consisted of, and the lower tibiofibula combined separation is the common concurrent damage of fracture dislocation.The general operative treatment that adopts after the damage use screw, shin calf hook, band wire holdfast etc. to be fixed, and screw is fixing the most commonly used.Use screw internal fixation treatment separation of Jower tibiofibular joint 15 examples, wherein broken nail 6 examples according to relevant report.The complication such as screw extraction causes easily that syndesmosis is ossified, ankle joint wound arthritis, ankle moving degree diminish.
Fig. 1 is separation of Jower tibiofibular joint postoperative broken nail X-ray film.Jower tibiofibular joint is jointly to be made of tibiofibula far-end and lower tibiofibula combined ligament, and after the fracture of lower tibiofibula combined ligament, separating appears in Jower tibiofibular joint.Clinically it is screwed, the lower tibiofibula combined ligament is being healed under the resting state fully, its healing time is about 6～8 weeks, cause the reason of broken nail to be born a heavy burden too early, the lower tibiofibula combined ligament is fully healing not, and stress concentration can cause screw extraction on screw; Screw takes out too late, it is the another major reason that broken nail occurs, this factor can't be avoided sometimes, because healing time is long than the ligament time, removable screw can cause the secondary fracture too early, so the early treatment of lower tibiofibula combined ligament is relatively easy, and the complication of later stage screw extraction becomes the difficult point of orthopaedics therapy, study a kind of inner fixing device, in early days can fixed and repaired lower tibiofibula combined ligament and fracture of fibula, can satisfy again the physiological property of human body Jower tibiofibular joint fine motion behind the later stage functional activity, the complication such as broken nail can not occur, be the inexorable trend of present orthopaedics therapy lower tibiofibula combined ligament development.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art that a kind of mobilizable lower tibiofibula associating hold-down screw is provided.To solve the problem of stressed rear broken nail.
For achieving the above object, the technical scheme that the present invention takes is: a kind of telescopic lower tibiofibula associating hold-down screw, its main feature is to include pipe box, the below of pipe box is provided with irregularly-shaped hole, screw is located in the pipe box, the upper end of screw is smooth section, the abnormity section that matches for the irregularly-shaped hole with the pipe box below in the middle part, and the bottom is screw; Between the smooth section of screw and pipe box, be provided with back-moving spring.
Described telescopic lower tibiofibula associating hold-down screw also includes and is provided with nut on the top of pipe box and pipe box is connected, and nut is greater than pipe box.
Described telescopic lower tibiofibula associating hold-down screw, being connected for steady pin or left-hand thread or hold-down screw that be connected of described nut and pipe box.
Described telescopic lower tibiofibula associating hold-down screw, described abnormity is four directions, six sides or all directions.
The invention has the beneficial effects as follows:
Simple in structure, easy to use.In early days can fixed and repaired lower tibiofibula combined ligament and fracture of fibula, can satisfy again the physiological property of human body Jower tibiofibular joint fine motion behind the later stage functional activity.Impaired when the lower tibiofibula associating, make to be screwed, after the lower tibiofibula combined ligament heals fully, when Go to ground activity is stressed, the special-shaped section elongation of will in profiled holes, sliding at screw middle part; Disappear when bearing a heavy burden, screw resets under the effect of back-moving spring.Meet human body Jower tibiofibular joint fine motion physiological property, solved the problem of broken nail after plain screw is fixing.
Description of drawings
Fig. 1 is separation of Jower tibiofibular joint postoperative broken nail X-ray film;
Fig. 2 is device schematic diagram of the present invention;
Fig. 3 is A-A cross-sectional schematic of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Embodiment 1: see Fig. 2, Fig. 3, a kind of telescopic lower tibiofibula associating hold-down screw includes pipe box 1, the below of pipe box 1 is provided with cubic hole, and screw 2 is located in the pipe box 1, and the upper end of screw 2 is smooth section, the four directions section of middle part for matching with the square hole of pipe box 1 below, the bottom is screw; Between the smooth section of screw 2 and pipe box 1, be provided with back-moving spring 3.Be provided with nut 4 on the top of pipe box 1 and be connected with pipe box 1, nut is greater than pipe box.Being connected of described nut 4 and pipe box 1 is connected for steady pin.
Embodiment 2: a kind of telescopic lower tibiofibula associating hold-down screw, include pipe box 1, and the below of pipe box 1 is provided with hexagonal hole, screw 2 is located in the pipe box 1, the upper end of screw 2 is smooth section, the six side sections of middle part for matching with the hexagon hole of pipe box 1 below, and the bottom is screw; Between the smooth section of screw 2 and pipe box 1, be provided with back-moving spring 3.Being connected of described nut 4 and pipe box 1 is connected for left-hand thread.All the other are identical with structure.
Embodiment 3: a kind of telescopic lower tibiofibula associating hold-down screw, a kind of telescopic lower tibiofibula associating hold-down screw, a kind of telescopic lower tibiofibula associating hold-down screw, include pipe box 1, the below of pipe box 1 is provided with hole from all directions, and screw 2 is located in the pipe box 1, and the upper end of screw 2 is smooth section, the all directions section of middle part for matching with eight square openings of pipe box 1 below, the bottom is screw; Between the smooth section of screw 2 and pipe box 1, be provided with back-moving spring 3.Being connected for hold-down screw that be connected of described nut 4 and pipe box 1.All the other are identical with structure.
During use, beat first via hole, because rotating screw cap of the present invention can drive pipe box and rotate, pipe box drives screw turns by profiled holes, under the effect of spiral power, the present invention can be screwed into by normal screw, because nut greater than pipe box, for this reason, can be united lower tibiofibula fixing.When the not fully healing of lower tibiofibula combined ligament, when stressed, the special-shaped section elongation of will in profiled holes, sliding at screw middle part; Disappear when bearing a heavy burden, screw resets under the effect of back-moving spring.
After 6～8 weeks of healing, the lower tibiofibula combined ligament heals fully, when merging fracture of fibula the present invention is not back-outed by normal screw; When merging fracture of fibula, again the present invention is back-outed by normal screw after waiting fracture to heal fully and both can.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a telescopic lower tibiofibula is united hold-down screw, it is characterized in that including pipe box (1), the below of pipe box (1) is provided with irregularly-shaped hole, screw (2) is located in the pipe box (1), the upper end of screw (2) is smooth section, the abnormity section that matches for the irregularly-shaped hole with pipe box (1) below in the middle part, the bottom is screw; Between the smooth section of screw (2) and pipe box (1), be provided with back-moving spring (3).
2. telescopic lower tibiofibula associating hold-down screw as claimed in claim 1 characterized by further comprising and is provided with nut (4) on the top of pipe box (1) and is connected with pipe box (1), and nut is greater than pipe box.
3. telescopic lower tibiofibula associating hold-down screw as claimed in claim 2 is characterized in that being connected for steady pin or left-hand thread or hold-down screw that be connected of described nut (4) and pipe box (1).
4. telescopic lower tibiofibula associating hold-down screw as claimed in claim 1 is characterized in that described abnormity is four directions, six sides or all directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210411025.1A CN102920498B (en) | 2012-10-24 | 2012-10-24 | Telescopic tibiofibular syndesmosis fastening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210411025.1A CN102920498B (en) | 2012-10-24 | 2012-10-24 | Telescopic tibiofibular syndesmosis fastening screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102920498A true CN102920498A (en) | 2013-02-13 |
| CN102920498B CN102920498B (en) | 2015-05-27 |
Family
ID=47635535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210411025.1A Expired - Fee Related CN102920498B (en) | 2012-10-24 | 2012-10-24 | Telescopic tibiofibular syndesmosis fastening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102920498B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611885A (en) * | 2014-08-11 | 2016-05-25 | 瑞特医疗技术公司 | Flexible screw and methods for syndesmosis repair |
| US10945830B2 (en) | 2017-10-06 | 2021-03-16 | Paragon 28, Inc. | Ligament fixation system, implants, devices, and methods of use |
| US11026732B2 (en) | 2017-10-25 | 2021-06-08 | Paragon 28, Inc. | Ligament fixation system, implants, and devices with a compression cap, and methods of use |
| US11179234B2 (en) | 2017-09-15 | 2021-11-23 | Paragon 28, Inc. | Ligament fixation system, implants, devices, and methods of use |
| CN114376701A (en) * | 2021-12-21 | 2022-04-22 | 长春圣博玛生物材料有限公司 | High-strength screw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197030B1 (en) * | 1997-12-30 | 2001-03-06 | Christopher J. Pham | Elastic loaded retractable pin device for cranial bone attachment |
| CN2562737Y (en) * | 2002-09-02 | 2003-07-30 | 宋文超 | Spring cross locked intramedullary nail |
| CN2774414Y (en) * | 2005-03-28 | 2006-04-26 | 王秋霞 | External fixing frame elastic device |
| CN1875892A (en) * | 2005-03-26 | 2006-12-13 | 王秋霞 | Elastic interlocking intramedullary nail |
| CN102670291A (en) * | 2012-05-29 | 2012-09-19 | 开平市中心医院 | Inferior tibiofibular bolt elastic fixing device |
-
2012
- 2012-10-24 CN CN201210411025.1A patent/CN102920498B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197030B1 (en) * | 1997-12-30 | 2001-03-06 | Christopher J. Pham | Elastic loaded retractable pin device for cranial bone attachment |
| CN2562737Y (en) * | 2002-09-02 | 2003-07-30 | 宋文超 | Spring cross locked intramedullary nail |
| CN1875892A (en) * | 2005-03-26 | 2006-12-13 | 王秋霞 | Elastic interlocking intramedullary nail |
| CN2774414Y (en) * | 2005-03-28 | 2006-04-26 | 王秋霞 | External fixing frame elastic device |
| CN102670291A (en) * | 2012-05-29 | 2012-09-19 | 开平市中心医院 | Inferior tibiofibular bolt elastic fixing device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611885A (en) * | 2014-08-11 | 2016-05-25 | 瑞特医疗技术公司 | Flexible screw and methods for syndesmosis repair |
| US11179234B2 (en) | 2017-09-15 | 2021-11-23 | Paragon 28, Inc. | Ligament fixation system, implants, devices, and methods of use |
| US10945830B2 (en) | 2017-10-06 | 2021-03-16 | Paragon 28, Inc. | Ligament fixation system, implants, devices, and methods of use |
| US11617642B2 (en) | 2017-10-06 | 2023-04-04 | Paragon 28, Inc. | Ligament fixation system, implants, devices, and methods of use |
| US11026732B2 (en) | 2017-10-25 | 2021-06-08 | Paragon 28, Inc. | Ligament fixation system, implants, and devices with a compression cap, and methods of use |
| US11786282B2 (en) | 2017-10-25 | 2023-10-17 | Paragon 28, Inc. | Ligament fixation system, implants, and devices with a compression cap, and methods of use |
| CN114376701A (en) * | 2021-12-21 | 2022-04-22 | 长春圣博玛生物材料有限公司 | High-strength screw |
| CN114376701B (en) * | 2021-12-21 | 2023-02-14 | 长春圣博玛生物材料有限公司 | High-strength screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102920498B (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102920498B (en) | Telescopic tibiofibular syndesmosis fastening screw | |
| CN102319103B (en) | Pressurized locking combined screw system and special composite screwdriver | |
| CN206964671U (en) | Carried for bone, the marrow combination of inner and outside device of Limb lengthening | |
| CN202526285U (en) | Double-layer unilateral skeletal external fixator | |
| CN204092147U (en) | A kind of patella fixture | |
| CN205007020U (en) | Developments pressurization locking bone screw | |
| CN209301266U (en) | It is a kind of freely to adjust pelvis external fixed mount | |
| CN204468250U (en) | A kind of hollow pressurization nail | |
| CN200977151Y (en) | Clamp press type stretching device special for small arthroscopy operation | |
| CN204318886U (en) | The special lockplate of a kind of clavicle | |
| CN103494635A (en) | Rib fracture reduction fixing frame | |
| CN206324893U (en) | A kind of draw-gear | |
| CN103932770A (en) | Skull traction device | |
| CN203042414U (en) | Sternoclavicular hook bone plate with hook structure | |
| CN205795787U (en) | A kind of internal fixation device for department of orthopaedics | |
| CN204971551U (en) | Hollow compression screw in hole is let out to double helix | |
| CN201684012U (en) | Limited dynamic hip screw | |
| WO2017166423A1 (en) | Locking and external-fixation device for treatment of tibial fracture | |
| CN203468717U (en) | Rib fracture reduction fixing frame | |
| CN203059887U (en) | Screw capable of mounting steel-wire cerclage simultaneously | |
| CN203153839U (en) | Multi-line-hole anchor nail used for soft tissue restoration and fixation | |
| CN203829025U (en) | Combined-type bone nail | |
| CN203988328U (en) | A kind of dynamic pressurized double-head hollow nail | |
| CN201642284U (en) | Combined clavicle intramedullary nail | |
| CN203524754U (en) | Flexible fixator for tibiofibula far-end fracture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20161024 |