CN111150479A - Tuberosity fixing device behind calcaneus - Google Patents
Tuberosity fixing device behind calcaneus Download PDFInfo
- Publication number
- CN111150479A CN111150479A CN202010038686.9A CN202010038686A CN111150479A CN 111150479 A CN111150479 A CN 111150479A CN 202010038686 A CN202010038686 A CN 202010038686A CN 111150479 A CN111150479 A CN 111150479A
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- China
- Prior art keywords
- fixing rod
- rod
- calcaneus
- perforated
- main board
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the field of orthopedic medical treatment, in particular to a tuberosity fixation device behind calcaneus, which comprises an expanding bracket and an internal fixation device, wherein the expanding bracket comprises a first fixed rod and a second fixed rod, and a first expanding rod and a second expanding rod which are respectively connected with two ends of the first fixed rod and the second fixed rod to form a # -shaped bracket; the internal fixing device comprises a perforated main board and a perforated support plate which is rotatably connected to one end of the perforated main board, a first through hole for a flat head locking screw and a Kirschner wire to pass through is formed in the perforated main board, a second through hole and a sliding pressurizing hole are formed in the perforated support plate, and gear teeth meshed with the incomplete gear are arranged on the lower side of one end, connected with the perforated main board, of the perforated support plate. The distraction bracket is used for distraction, further adjustment is convenient, the fractured calcaneus can be effectively fixed after restoration and is fixed by the internal fixing device, the fixing structure is more stable, and quick recovery is convenient.
Description
Technical Field
The invention relates to the technical field of orthopedic medical treatment, in particular to a tuberosity fixing device behind a calcaneus.
Background
The calcaneal fracture is one of clinical common fractures, the calcaneal fracture is cancellous bone, the calcaneal fracture is very easy to occur, particularly, most of the middle-aged men are generally treated by anatomical reduction and fixation in the treatment process, but the existing treatment means (a percutaneous steel needle leverage reduction method and an incision reduction internal fixation method) often cause incomplete reduction and unstable fixation structure due to complicated operation and incomplete exposure, seriously affect the recovery speed, even possibly cause permanent damage or large incision, and easily cause infection and incision skin edge tissue necrosis in the recovery process. Therefore, there is a significant need for improvements and optimizations to existing tuberosity fixation devices behind the calcaneus.
Disclosure of Invention
The invention aims to solve the technical problems that the fixing structure of the existing tuberosity fixing device behind the calcaneus is unstable, the recovery speed is influenced, and infection and tissue necrosis are easily caused due to a large incision.
In order to solve the technical problem, the scheme of the invention is as follows:
a tuberosity behind calcaneus fixing device comprises an opening bracket for opening an incision for operation and an internal fixing device for resetting and fixing tuberosity behind the calcaneus, wherein the opening bracket comprises a first fixing rod capable of vertically penetrating through a tibia, a second fixing rod parallel to the first fixing rod and penetrating through the tuberosity behind the calcaneus, and a first opening rod and a second opening rod which are respectively connected with two ends of the first fixing rod and the second fixing rod to form a # -shaped bracket, and the first opening rod and the second opening rod are connected with the first fixing rod and the second fixing rod through connecting seats; the internal fixing device comprises a perforated main board and a perforated support board which is rotatably connected to one end of the perforated main board, a first through hole for a flat head locking screw and a Kirschner wire to pass through is formed in the perforated main board, an incomplete gear is arranged at one end of the perforated main board connected with the perforated support board, a second through hole for the flat head locking screw to pass through and a sliding pressurizing hole for a cortical bone screw to pass through are formed in the perforated support board, and gear teeth meshed with the incomplete gear are arranged on the lower side of one end, connected with the perforated main board, of the perforated support board.
Further, the connecting seat comprises a fixed rod seat and a spreading rod seat which are integrally arranged, and the fixed rod seat is provided with a fixed rod connecting hole matched with the first fixed rod and the second fixed rod and a fixed rod locking knob used for locking the first fixed rod and the second fixed rod; the opening rod seat is provided with an opening rod connecting hole matched with the first opening rod and the second opening rod, and an opening rod locking knob used for locking the first opening rod and the second opening rod.
Furthermore, the fixing rod seat and the expanding rod seat are integrally made into an L shape by metal.
Further, the diameters of the first through hole, the second through hole and the sliding pressurizing hole are equal and are all set to be between 2 mm and 3 mm.
Furthermore, the middle part of the main board with the holes is bent to form a V shape, the angle of the V shape is set between 120 degrees and 135 degrees, and the main board with the holes is in a straight strip shape.
Compared with the prior art, the invention has the beneficial effects that: the distraction bracket provided by the invention is used for retracting the fracture part, so that for the calcaneus collapse fracture, the compressed bone can be fully retracted, the calcaneus angle can be accurately reset, the further adjustment is convenient, after the fracture is reset and fixed by the internal fixing device, the fracture calcaneus can be effectively fixed after the fracture is reset, the fixing structure is more stable, the rapid recovery is convenient, meanwhile, the damage to the skin blood circulation and nerve of the operation area due to wide incision and stripping is avoided, and the operation complexity is greatly simplified; in a whole, the invention is used for fixing the tuberosity behind the calcaneus, the surgical incision is small, and the incision infection and the tissue necrosis can be effectively prevented.
Drawings
FIG. 1 is a schematic perspective view of a distracting support according to an embodiment of the present disclosure;
fig. 2 is a schematic perspective view of an internal fixation device according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-2, a tuberosity behind calcaneus fixing device comprises an opening bracket 1 for opening an incision for operation and an internal fixing device 2 for resetting and fixing a tuberosity behind the calcaneus, wherein the opening bracket 1 comprises a first fixing rod 11 capable of vertically penetrating through a tibia, a second fixing rod 12 parallel to the first fixing rod 11 and penetrating through the tuberosity behind the calcaneus, and a first opening rod 13 and a second opening rod 14 which are respectively connected with two ends of the first fixing rod 11 and the second fixing rod 12 to form a # -shaped bracket, and the first opening rod 13 and the second opening rod 14 are connected with the first fixing rod 11 and the second fixing rod 12 through a connecting seat 15; the internal fixing device 2 comprises a perforated main plate 21 and a perforated support plate 22 which is rotatably connected to one end of the perforated main plate 21, a first through hole 23 for a flat head locking screw and a Kirschner wire to pass through is formed in the perforated main plate 21, an incomplete gear 24 is arranged at one end of the perforated main plate 21 connected with the perforated support plate 22, a second through hole 25 for the flat head locking screw to pass through and a sliding pressurizing hole 26 for a cortical bone screw to pass through are formed in the perforated support plate 22, and gear teeth meshed with the incomplete gear 24 are arranged on the lower side of one end of the perforated support plate 22 connected with the perforated main plate 21.
When in use, after an incision is cut on the outer side of the calcaneus, the fracture part is directly propped open from the incision through the propping-open bracket 1 to carry out reduction surgery, and then the tuberosity behind the calcaneus after the reduction surgery is fixed through the internal fixing device 2 so as to be convenient for recovery; specifically, the tuberosity is positioned behind the calcaneus through the first fixing rod 11 and the second fixing rod 12, and then the first opening rod 13 and the second opening rod 14 are used for opening and resetting, and as the first opening rod 13 and the second opening rod 14 are connected with the first fixing rod 11 and the second fixing rod 12 through the connecting seat 15, the distance between the first fixing rod 11 and the second fixing rod 12 and the distance between the first opening rod 13 and the second opening rod 14 can be adjusted, so that the application range is wider; and the calcaneus G corner and the rear joint surface at the exposed part of the opening incision are propped up, and after cleaning and reduction are completed, the calcaneus is perspected by using a Kirschner wire to confirm good reduction, then the internal fixing device 2 is placed outside the skin, the position of the perforated support plate 22 is adjusted according to the fracture shape at the rear side of the calcaneus after perspection, the rotatable connecting structure between the perforated support plate 22 and the perforated main plate 21 is screwed, the connection between the perforated support plate 22 and the perforated main plate 21 is fixed, then the internal fixing device is inserted into the joint surface at the rear of the calcaneus, and the fracture reduction and the good internal fixing position are confirmed by means of perspection again after the.
The distraction bracket 1 is used for retracting the fracture part, so that the compressed bone can be fully retracted for the calcaneus collapse fracture, the calcaneal talus angle can be accurately reset, the further adjustment is convenient, after the reduction and the fixation through the internal fixing device 2, the fixation can be effectively provided for the fractured calcaneus after the reduction, the fixing structure is more stable, the rapid recovery is convenient, the damage to the skin blood circulation and nerves of the operative area due to wide incision and stripping is avoided, and the operation complexity is greatly simplified; in a whole, the invention is used for fixing the tuberosity behind the calcaneus, the surgical incision is small, and the incision infection and the tissue necrosis can be effectively prevented.
On the basis of the foregoing embodiment, the connection seat 15 includes a fixing rod seat 151 and an expanding rod seat 152 that are integrally arranged, the fixing rod seat 151 is provided with a fixing rod connection hole adapted to the first fixing rod 11 and the second fixing rod 12, and a fixing rod locking knob 153 for locking the first fixing rod 11 and the second fixing rod 12; the opening rod seat 152 is provided with an opening rod connecting hole matched with the first opening rod 13 and the second opening rod 14, and an opening rod locking knob 154 for locking the first opening rod 13 and the second opening rod 14; through such structure, be convenient for adjust and the connection structure between each part of locking, convenient operation, application scope is wide. The fixing rod seat 151 and the spreading rod seat 152 may be integrally formed in an L shape using metal so that the fixing rod coupling holes and the spreading rod coupling holes are respectively formed in the fixing rod seat 151 and the spreading rod seat 152 in a perpendicular state.
On the basis of the previous embodiment, the first through hole 23, the second through hole 25 and the sliding pressurizing hole 26 have the same diameter and are all arranged between 2 mm and 3mm, so that the kirschner wire and the flat locking screw with the diameter of 2 mm to 3mm can be conveniently passed through and better connected to the calcaneus.
In order to better adapt to the connection and fixation of calcaneus, the middle part of the main plate with holes 21 is bent to form a V shape, the angle of the V shape is set between 120 degrees and 135 degrees, and the main plate with holes 21 is in a straight strip shape.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (5)
1. A tuberosity fixation apparatus behind calcaneus characterized in that: the calcaneus posterior tuberosity reduction and fixation device comprises a distraction bracket (1) for distracting an incision to perform an operation and an internal fixation device (2) for reducing and fixing calcaneus posterior tuberosity, wherein the distraction bracket (1) comprises a first fixing rod (11) capable of vertically penetrating through a tibia, a second fixing rod (12) parallel to the first fixing rod (11) and penetrating through the calcaneus posterior tuberosity, a first distraction rod (13) and a second distraction rod (14) which are respectively connected with two ends of the first fixing rod (11) and the second fixing rod (12) to form a # -shaped bracket, and the first distraction rod (13) and the second distraction rod (14) are connected with the first fixing rod (11) and the second fixing rod (12) through a connecting seat (15); the internal fixing device (2) comprises a perforated main board (21) and a perforated support plate (22) which is rotatably connected to one end of the perforated main board (21), a first through hole (23) for a flat head locking screw and a Kirschner wire to pass through is formed in the perforated main board (21), an incomplete gear (24) is arranged at one end of the perforated support plate (22) connected to the perforated main board (21), a second through hole (25) for the flat head locking screw to pass through and a sliding pressurizing hole (26) for a skin bone screw to pass through are formed in the perforated support plate (22), and gear teeth meshed with the incomplete gear (24) are arranged on the lower side of one end, connected to the perforated main board (21), of the perforated support plate (22).
2. The tuberosity fixation assembly behind the calcaneus of claim 1, wherein: the connecting seat (15) comprises a fixing rod seat (151) and a spreading rod seat (152) which are integrally arranged, wherein a fixing rod connecting hole matched with the first fixing rod (11) and the second fixing rod (12) and a fixing rod locking knob (153) used for locking the first fixing rod (11) and the second fixing rod (12) are formed in the fixing rod seat (151); be equipped with on the pole seat of strutting (152) with the pole connecting hole that struts of first pole of strutting (13) and second pole of strutting (14) adaptation, and be used for the locking first pole of strutting (13) and the second pole of strutting (14) lock knob (154).
3. The tuberosity fixation assembly behind the calcaneus of claim 2, wherein: the fixing rod seat (151) and the opening rod seat (152) are integrally made of metal into an L shape.
4. The tuberosity fixation assembly behind the calcaneus of claim 1, wherein: the diameters of the first through hole (23), the second through hole (25) and the sliding pressurizing hole (26) are equal and are all set between 2 mm and 3 mm.
5. The tuberosity fixation assembly behind the calcaneus of claim 1, wherein: the middle part of the main board (21) with the holes is bent to form a V shape, the angle of the V shape is set between 120 degrees and 135 degrees, and the main board with the holes (21) is in a straight strip shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038686.9A CN111150479A (en) | 2020-01-14 | 2020-01-14 | Tuberosity fixing device behind calcaneus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038686.9A CN111150479A (en) | 2020-01-14 | 2020-01-14 | Tuberosity fixing device behind calcaneus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111150479A true CN111150479A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010038686.9A Pending CN111150479A (en) | 2020-01-14 | 2020-01-14 | Tuberosity fixing device behind calcaneus |
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| Country | Link |
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| CN (1) | CN111150479A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004798A1 (en) * | 2010-07-07 | 2012-01-12 | Gabriel Waisman | Polyaxial external fixator and method of using the same |
| CN202526237U (en) * | 2012-03-20 | 2012-11-14 | 张勇 | Calcaneal fracture surgery open stent |
| CN206852654U (en) * | 2017-01-06 | 2018-01-09 | 梁晓军 | A kind of inner fixing device of minimally-invasive treatment fracture of calcaneus |
-
2020
- 2020-01-14 CN CN202010038686.9A patent/CN111150479A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004798A1 (en) * | 2010-07-07 | 2012-01-12 | Gabriel Waisman | Polyaxial external fixator and method of using the same |
| CN202526237U (en) * | 2012-03-20 | 2012-11-14 | 张勇 | Calcaneal fracture surgery open stent |
| CN206852654U (en) * | 2017-01-06 | 2018-01-09 | 梁晓军 | A kind of inner fixing device of minimally-invasive treatment fracture of calcaneus |
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