CN209751201U - Rear ankle fracture fixing steel plate - Google Patents
Rear ankle fracture fixing steel plate Download PDFInfo
- Publication number
- CN209751201U CN209751201U CN201920072792.1U CN201920072792U CN209751201U CN 209751201 U CN209751201 U CN 209751201U CN 201920072792 U CN201920072792 U CN 201920072792U CN 209751201 U CN209751201 U CN 209751201U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- plate body
- ankle fracture
- length
- isosceles trapezoid
- 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.)
- Expired - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a fixed steel sheet of back ankle fracture relates to medical instrument technical field, has solved and has been used for back ankle fracture internal fixation to lead to steel sheet intensity to descend after moulding again with fixed steel sheet, and fixed steel sheet appears the screw hole easily and warp to lead to the unable lock of locking screw to die, thereby lead to the problem that nail pulling and internal fixation failure appear easily in the postoperative, its technical scheme main points are: the steel plate comprises a steel plate body, wherein the steel plate body is an isosceles trapezoid with four corners in arc transition, the length of the top edge of the isosceles trapezoid is 0.9-1.1 cm, and the length of the bottom edge of the isosceles trapezoid is 2.9-3.1 cm; the length of the steel plate body is 4 cm; the center of the steel plate body is a hollowed isosceles triangle; a plurality of steel plate screw holes are arranged between the edge of the steel plate body and the edge of the isosceles triangle in a penetrating way on the surface of the steel plate body. The steel plate does not need to be excessively shaped during fixation, so that the steel plate screw hole is not easy to deform, the condition of nail pulling is not easy to occur after the operation, and the effect of the success rate of internal fixation is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, it relates to a fixed steel sheet of back ankle fracture.
background
Posterior ankle fractures are common in ankle fractures, and the fracture types vary, and fractures occur from small posterior ankle avulsion fractures to large posterior ankle fracture block displacement fractures. The integrity of the posterior ankle and the ligament attachment point play a very important role in load transfer of the tibial talus joint, stability of the posterior talus and rotational stability of the ankle joint. The fixed ankle fracture block is beneficial to the treatment of the rotary ankle sprain, such as reconstruction of the integrity and the rotary stability of the ankle and prevention of the talar posterior displacement.
At present, no special fixing steel plate is clinically used for fixing the ankle fracture. However, the internal fixing steel plate used in the ankle fracture after fixation is usually replaced by a fixing steel plate for fixing other bone joint parts. When the fixing steel plates of other bone joint parts are adopted for replacement, the fixing steel plates are required to be reshaped to conform to the appearance of the fixed ankle bone joints and then used for internal fixation of the rear ankle fracture.
In the prior art, a fixing steel plate for fixing other bone joint parts is reshaped and then used for fracture of the rear ankle. However, the strength of the steel plate is reduced after the fixed steel plate is molded again, and the fixed steel plate is easily deformed by a screw hole after molding, so that the locking screw cannot be locked, and nail pulling and internal fixation failure are easily caused after the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed steel sheet of back ankle fracture has and accords with back ankle bone surface morphology, need not carry out too much moulding to the steel sheet during fixed to steel sheet screw hole non-deformable, the condition of pulling out the nail is difficult to appear in the postoperative, thereby has improved the effect of internal fixation's success rate.
the above technical purpose of the present invention can be achieved by the following technical solutions: the rear ankle fracture fixing steel plate comprises a steel plate body, wherein the steel plate body is an isosceles trapezoid with four corners in arc transition, the length of the top edge of the isosceles trapezoid is 0.9-1.1 cm, and the length of the bottom edge of the isosceles trapezoid is 2.9-3.1 cm; the length of the steel plate body is 4 cm; the center of the steel plate body is a hollowed isosceles triangle; a plurality of steel plate screw holes are arranged between the edge of the steel plate body and the edge of the isosceles triangle in a penetrating mode on the surface of the steel plate body.
by adopting the technical scheme, when the rear ankle fracture fixing steel plate is used for fixing the rear ankle fracture block, the rear ankle fracture block subjected to resetting can be conveniently fixed through the steel plate body; through the steel plate screw hole, a locking screw can conveniently pass through the steel plate screw hole to lock the steel plate body on the rear ankle bone, so that the locking and fixing of the rear ankle fracture block are completed; through setting up the steel sheet plate body into the isosceles trapezoid of four corners circular arc transition, and the length on isosceles trapezoid topside is 0.9 ~ 1.1cm, the length on isosceles trapezoid base is 2.9 ~ 3.1cm and the length of steel sheet plate body is 4cm, can make the steel sheet plate body accord with the surface form of back ankle bone, thereby use the steel sheet plate body to carry out the in-process of fixing to back ankle fracture piece and need not carry out too much moulding to the steel sheet plate body, thereby realize the internal fixation and the screw hole non-deformable who are used for back ankle fracture specially, the condition of pulling out the nail is difficult to appear in the postoperative, thereby the effect of the success rate of internal fixation has been improved.
The utility model discloses further set up to: the central angle corresponding to the inner arc surface of the steel plate body close to the rear ankle fracture is 20 degrees.
Through adopting above-mentioned technical scheme, be 20 through the central angle that the inboard cambered surface that the steel plate body is close to back ankle fracture corresponds, the steel plate body inside wall of being convenient for is firm with the laminating of back ankle fracture to the steel plate body of being convenient for can stabilize fixed back ankle fracture piece.
The utility model discloses further set up to: the central angle corresponding to the outer cambered surface of the steel plate body far away from the rear ankle fracture is 10 degrees.
By adopting the technical scheme, the central angle corresponding to the cambered surface on the outer side of the steel plate body is set to be 10 degrees; the operation of fixing the steel plate body on the rear ankle bone by the locking screw through the steel plate screw hole processed on the surface of the steel plate body is convenient.
The utility model discloses further set up to: the inclination of the steel plate screw hole close to the edge of the steel plate body is 10 degrees.
By adopting the technical scheme, the edge gradient of the steel plate body is 10 degrees, and the locking screw can conveniently penetrate through the steel plate screw hole, so that the steel plate body and the rear ankle bone can be stably fixed.
The utility model discloses further set up to: the thickness of the steel plate body is 0.35 cm.
Through adopting above-mentioned technical scheme, the thickness that utilizes the steel plate body is 0.35cm, is convenient for carry out proper moulding operation with the steel plate body according to the radian condition of ankle bone behind the concrete patient.
The utility model discloses further set up to: the surface of the steel plate body is provided with a reinforcing rib covering a steel plate screw hole; a plurality of through holes correspondingly communicated with the steel plate screw holes are formed in the surface of the reinforcing rib in a penetrating manner; the diameter of the through hole is larger than that of the steel plate screw hole.
Through adopting above-mentioned technical scheme, through the strengthening rib, be convenient for strengthen the ability that the steel sheet resists bending and rupture, prevent the steel sheet rupture.
The utility model discloses further set up to: the steel plate body is of an isosceles trapezoid and rectangular integrated structure; the length of the steel plate is 6 cm.
Through adopting above-mentioned technical scheme, utilize isosceles trapezoid and rectangle integrated into one piece's steel sheet plate body structure, be convenient for adopt according to the fracture condition that specific patient's back ankle is different and accord with back ankle bone surface morphology and carry out the fixed after restoreing to back ankle fracture.
To sum up, the utility model discloses following beneficial effect has: the rear ankle fracture block after restoration is convenient to fix through the steel plate body; through the steel plate screw hole, a locking screw can conveniently pass through the steel plate screw hole to lock the steel plate body on the rear ankle bone, so that the locking and fixing of the rear ankle fracture block are completed; through setting up the steel sheet plate body into the isosceles trapezoid of four corners circular arc transition, and the length on isosceles trapezoid topside is 0.9 ~ 1.1cm, the length on isosceles trapezoid base is 2.9 ~ 3.1cm and the length of steel sheet plate body is 4cm, can make the steel sheet plate body accord with the surface form of back ankle bone, thereby use the steel sheet plate body to carry out the in-process of fixing to back ankle fracture piece and need not carry out too much moulding to the steel sheet plate body, thereby realize the internal fixation and the screw hole non-deformable who are used for back ankle fracture specially, the condition of pulling out the nail is difficult to appear in the postoperative, thereby the effect of the success rate of internal fixation has been improved.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention;
FIG. 2 is a schematic view showing a fixed state between a steel plate body and a rear ankle bone in an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 taken along line A-A;
Fig. 4 is a schematic structural view of a steel plate screw hole near the edge of a steel plate body in the embodiment of the present invention;
Fig. 5 is a schematic structural diagram in another embodiment of the present invention.
In the figure: 1. a steel plate body; 2. steel plate screw holes; 3. reinforcing ribs; 4. a through hole; 5. along the fibula; 6. a tibia; 7. posterior ankle fracture pieces; 8. see talus; 9. and locking the screw.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 to 5.
Example (b): a rear ankle fracture fixing steel plate is shown in figures 1-4 and comprises a steel plate body 1, wherein the steel plate body 1 is an isosceles trapezoid with four corners in circular arc transition, the length of the top side of the isosceles trapezoid is 0.9-1.1 cm, and the length of the bottom side of the isosceles trapezoid is 2.9-3.1 cm. The length of the steel plate body 1 is 4 cm. The center of the steel plate body 1 is a hollow isosceles triangle. A plurality of steel plate screw holes 2 between the edge of the steel plate body 1 and the edge of the isosceles triangle are processed on the surface of the steel plate body 1 in a penetrating way.
In the present embodiment, when the posterior ankle fracture block 7 is fixed using the posterior ankle fracture fixation steel plate, the reduction of the posterior ankle fracture block 7 is facilitated by the steel plate body 1. Through the steel plate screw hole 2, a locking screw 9 can conveniently pass through the steel plate screw hole 2 to lock the steel plate body 1 on the rear ankle bone, thereby completing the locking and fixing of the rear ankle fracture block 7. Through setting up steel plate body 1 into the isosceles trapezoid of four corners circular arc transition, and the length on isosceles trapezoid topside is 0.9 ~ 1.1cm, the length on isosceles trapezoid base is 2.9 ~ 3.1cm and steel plate body 1's length is 4cm, can make steel plate body 1 accord with the surface form of back ankle bone, thereby use steel plate body 1 to carry out the in-process of fixing to back ankle fracture piece 7 and need not carry out too much moulding to steel plate body 1, thereby realize being used for the internal fixation and the screw hole non-deformable of back ankle fracture specially, the condition of pulling out the nail is difficult to appear in the postoperative, thereby the effect of the success rate of internal fixation has been improved.
the central angle of the steel plate body 1 corresponding to the inner arc surface close to the rear ankle fracture is 20 degrees.
In this embodiment, the central angle of the steel plate body 1 corresponding to the inner arc surface close to the rear ankle fracture is 20 °, so that the inner side wall of the steel plate body 1 can be firmly attached to the rear ankle fracture, and the steel plate body 1 can stably fix the rear ankle fracture block 7.
The central angle corresponding to the outer cambered surface of the steel plate body 1 far away from the rear ankle fracture is 10 degrees.
In this embodiment, the central angle corresponding to the outer arc surface of the steel plate body 1 is 10 °, which facilitates the operation of fixing the steel plate body 1 to the rear ankle bone by the locking screw 9 through the steel plate screw hole 2 machined on the surface of the steel plate body 1.
The inclination of the steel plate screw hole 2 close to the edge of the steel plate body 1 is 10 degrees.
In the present embodiment, the inclination of the steel plate screw hole 2 at the edge of the steel plate body 1 is 10 °, so that the locking screw 9 passes through the steel plate screw hole 2, thereby stably fixing the steel plate body 1 to the rear ankle.
The thickness of the steel plate body 1 is 0.35 cm.
In this embodiment, the thickness of the steel plate body 1 is 0.35cm, which facilitates the proper shaping operation of the steel plate body 1 according to the radian of the rear ankle of a specific patient.
The surface of the steel plate body 1 is provided with a reinforcing rib 3 covering the steel plate screw hole 2. A plurality of through holes 4 correspondingly communicated with the steel plate screw holes 2 are arranged on the surface of the reinforcing rib 3 in a penetrating way. The diameter of the through hole 4 is larger than the diameter of the steel plate screw hole 2.
In the embodiment, the reinforcing ribs 3 are used for enhancing the bending and breaking resistance of the steel plate and preventing the steel plate from breaking.
Another embodiment that differs from the present embodiment: a rear ankle fracture fixing steel plate is shown in figure 5, and a steel plate body is of an isosceles trapezoid and rectangular integrated structure. The length of the steel plate was 6 cm.
In this embodiment, utilize isosceles trapezoid and rectangle integrated into one piece's steel sheet plate body 1 structure, be convenient for adopt the fracture condition that accords with back ankle bone surface morphology according to the difference of concrete patient's back ankle to the fixed after ankle fracture resets.
The working process is as follows: when the rear ankle fracture fixing steel plate is used for fixing the rear ankle fracture block 7, a patient is made to take a prone position, an operation incision which is about 8cm long is made along the rear side of the far end of a fibula 5, skin and subcutaneous tissues are cut, the tibia 6 and the rear ankle fracture block 7 are exposed, after the rear ankle fracture block 7 is reset, the steel plate body 1 is covered on the fracture block (the steel plate can be properly shaped according to the radian condition of the rear ankle of the specific patient), under the perspective of a C-shaped arm, the ankle joint gap formed by the talus 8 and the tibia 6 is normal, the reset is good, and the steel plate body 1 is fixed through the steel plate screw hole 2 by using a locking screw 9. Then flushing the incision, suturing and binding after no abnormality appears under fluoroscopy. In the process of fixing the steel plate body 1, the rear ankle fracture block 7 after restoration can be fixed through the steel plate body 1. Through the steel plate screw hole 2, a locking screw 9 can pass through the steel plate screw hole 2 to lock the steel plate body 1 on the rear ankle bone, thereby completing the locking and fixing of the rear ankle fracture block 7. Through setting up steel plate body 1 into the isosceles trapezoid of four corners circular arc transition, and the length on isosceles trapezoid topside is 0.9 ~ 1.1cm, the length on isosceles trapezoid base is 2.9 ~ 3.1cm and steel plate body 1's length is 4cm, can make steel plate body 1 accord with the surface form of back ankle bone, thereby use steel plate body 1 to carry out the in-process of fixing to back ankle fracture piece 7 and need not carry out too much moulding to steel plate body 1, thereby realize being used for the internal fixation and the screw hole non-deformable of back ankle fracture specially, the condition of pulling out the nail is difficult to appear in the postoperative, thereby the effect of the success rate of internal fixation has been improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a fixed steel sheet of ankle fracture behind, includes steel sheet plate body (1), characterized by: the steel plate body (1) is an isosceles trapezoid with four corners in arc transition, and the length of the top edge of the isosceles trapezoid is 0.9-1.1 cm; the length of the bottom side of the isosceles trapezoid is 2.9-3.1 cm; the length of the steel plate body (1) is 4 cm; the center of the steel plate body (1) is a hollow isosceles triangle; the steel plate is characterized in that a plurality of steel plate screw holes (2) located between the edge of the steel plate body (1) and the edge of the isosceles triangle are arranged on the surface of the steel plate body (1) in a penetrating mode.
2. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the central angle corresponding to the inner arc surface of the steel plate body (1) close to the rear ankle fracture is 20 degrees.
3. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the central angle corresponding to the outer arc surface of the steel plate body (1) far away from the rear ankle fracture is 10 degrees.
4. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the inclination of the steel plate screw hole (2) close to the edge of the steel plate body (1) is 10 degrees.
5. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the thickness of the steel plate body (1) is 0.35 cm.
6. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the surface of the steel plate body (1) is provided with a reinforcing rib (3) covering the steel plate screw hole (2); a plurality of through holes (4) correspondingly communicated with the steel plate screw holes (2) are formed in the surface of the reinforcing rib (3) in a penetrating mode; the diameter of the through hole (4) is larger than that of the steel plate screw hole (2).
7. A posterior ankle fracture fixation plate as claimed in claim 1, wherein: the steel plate body is of an isosceles trapezoid and rectangular integrated structure; the length of the steel plate is 6 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072792.1U CN209751201U (en) | 2019-01-16 | 2019-01-16 | Rear ankle fracture fixing steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072792.1U CN209751201U (en) | 2019-01-16 | 2019-01-16 | Rear ankle fracture fixing steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209751201U true CN209751201U (en) | 2019-12-10 |
Family
ID=68749256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920072792.1U Expired - Fee Related CN209751201U (en) | 2019-01-16 | 2019-01-16 | Rear ankle fracture fixing steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209751201U (en) |
-
2019
- 2019-01-16 CN CN201920072792.1U patent/CN209751201U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201223440Y (en) | Three-dimensional dissection type anterior steel plate for acetabulum | |
| JP2008006285A (en) | Implant device with placement indicia | |
| CN105520777B (en) | Implantation hone lamella in inner side before a kind of distal femur | |
| CN107405109B (en) | Open LATARJET procedure for correcting anterior lower glenoid bone loss | |
| CN209751201U (en) | Rear ankle fracture fixing steel plate | |
| CN102885646B (en) | The moulding resetting and setting fracture plate of calcaneus anatomical form for fracture of calcaneus | |
| CN205234612U (en) | Internal malleolus steel sheet fixing system | |
| CN205007015U (en) | Acetabular bone parastyle and fixed steel sheet of high -order rear pillar fracture | |
| CN107928843B (en) | Tibia platform prosthesis component and knee joint prosthesis component with same | |
| CN209301235U (en) | Osteotomy limiting device and osteotome device | |
| CN107951556B (en) | Complex acetabulum fracture inner side bone fracture plate | |
| CN217510585U (en) | Fixed angle positioning type locking screw | |
| CN213129850U (en) | First metatarsal dorsal osteotomy orthopedic plate | |
| CN110478024B (en) | Auxiliary reduction internal fixing device for femoral neck fracture | |
| CN210541942U (en) | High-conformability bionic fixedly-connected tibia replacement part at lower end of tibia | |
| CN211674503U (en) | Tibial plateau inner side fixing component capable of fixing double columns | |
| CN208591117U (en) | A kind of interior rear side steel plate of tibial plateau | |
| CN209932938U (en) | Orthopaedic nail reduction and locking device | |
| CN202537638U (en) | Molding instrument for assisting resetting of acetabulum wall fracture | |
| CN210019591U (en) | Femoral retrograde intramedullary nail | |
| CN209789984U (en) | Tibia far-end posterolateral dissection locking bone fracture plate | |
| CN213641141U (en) | Cuboid locking plate | |
| CN205586064U (en) | Locking bone plate that shin bone was used | |
| CN105030314A (en) | Low-profile peri-locking circular patellar setting fixator | |
| CN213129846U (en) | Locking plate for front ankle osteotomy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |