CN110464439A - Limbs fracture inner fixing device - Google Patents
Limbs fracture inner fixing device Download PDFInfo
- Publication number
- CN110464439A CN110464439A CN201910783458.1A CN201910783458A CN110464439A CN 110464439 A CN110464439 A CN 110464439A CN 201910783458 A CN201910783458 A CN 201910783458A CN 110464439 A CN110464439 A CN 110464439A
- Authority
- CN
- China
- Prior art keywords
- hole
- bridging board
- holding claw
- interior bridging
- fixing device
- 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
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 68
- 210000000078 claw Anatomy 0.000 claims abstract description 46
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 210000003734 kidney Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 208000010392 Bone Fractures Diseases 0.000 description 10
- 206010017076 Fracture Diseases 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 208000024779 Comminuted Fractures Diseases 0.000 description 2
- 208000006670 Multiple fractures Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of limbs fracture inner fixing devices, including interior bridging board, the internal fixation plate is equipped with combined hole, its innovative point is: further including bone holding claw, the bone holding claw is located at the bottom of interior bridging board and is detachably connected with interior bridging board, the two sides of the bone holding claw along its length have multiple anchor ear pawls arranged apart, and the anchor ear pawl is equipped with the first spicule hole.The present invention can carry out replacement and fixation to floating bone block, can bridge the fixed form for integral type, improve union effect.
Description
Technical field
The present invention relates to inner fixing devices, and in particular to limbs fracture inner fixing device belongs to orthopaedics art technique with the apparatus
Field.
Background technique
Currently, if there is comminuted fracture in patient, traditional means to the disposition of free block generally all by reduction forceps to its into
Row is interim to be resetted, and at reset can not pedicle screw, permanent fixed effect can not be played, then bridging board is implanted and is covered on
Surface at reset, and bridging board is fixed on the good centrum in edge with screw, but this fixed form, postoperative bone block are held
It is easy to be lost, bone nonunion is caused, final fracture can not heal.
Summary of the invention
The object of the present invention is to provide one kind to carry out replacement and fixation to floating bone block, can bridge as integral type
Fixed form, improve the limbs fracture inner fixing device of union effect.
In order to achieve the above object, the technical scheme is that a kind of limbs fracture inner fixing device, including interior bridge joint
Plate, the internal fixation plate are equipped with combined hole, and innovative point is:
It further include bone holding claw, the bone holding claw is located at the bottom of interior bridging board and is detachably connected with interior bridging board,
The two sides of the bone holding claw along its length have multiple anchor ear pawls arranged apart, and the anchor ear pawl is equipped with first
Spicule hole.
In the above-mentioned technical solutions, the interior bridging board is equipped with adjustment hole, and the top of the bone holding claw is equipped with thread segment,
The thread segment is located in adjustment hole, and is integrated bone holding claw and the locking of interior bridging board by locking nut.
In the above-mentioned technical solutions, the adjustment hole of the interior bridging board is taper adjustment hole, and upper aperture is greater than lower aperture,
The periphery wall of the locking nut is locking face, and the locking face of locking nut and the inner wall of adjustment hole offset.
In the above-mentioned technical solutions, the adjustment hole of the interior bridging board is kidney ellipsoid hole, or is long hole.
In the above-mentioned technical solutions, the bone holding claw includes the interior bridging board interconnecting piece being mutually integrated with anchor ear pawl, described
Interior bridging board interconnecting piece has the second spicule hole.
In the above-mentioned technical solutions, there is the tooth socket axially arranged along it on the inner wall of the anchor ear pawl of the bone holding claw.
In the above-mentioned technical solutions, the bottom of the interior bridging board is provided along its length 1 ~ 3 bone holding claw.
In the above-mentioned technical solutions, the bone holding claw is the bone holding claw of U-shape.
In the above-mentioned technical solutions, the combined hole of the interior bridging board includes the screw mounting hole being mutually communicated and screw lock
Determine screw hole, and the aperture of screw locking screw hole is less than the aperture of screw mounting hole.
In the above-mentioned technical solutions, the bottom of the interior bridging board and be located at combined hole place be equipped with stiffening plate, it is described plus
Strong plate is mutually integrated with interior bridging board.
Good effect possessed by the present invention is: after using limbs fracture inner fixing device of the invention, due to the present invention
It further include bone holding claw, the bone holding claw is located at the bottom of interior bridging board and is detachably connected with interior bridging board, described to hold bone
The two sides of pawl along its length have multiple anchor ear pawls arranged apart, and the anchor ear pawl is equipped with the first spicule hole,
In use, being passed through in the first spicule hole of anchor ear pawl using spicule, floating bone block is resetted, enables the anchor ear pawl of bone holding claw
Floating bone block is enough waled, then squeeze the small bone block of dissociating after resetting periphery to anchor ear pawl by pliers and maintains fixing shape
State, the last interior bridging board are connect with the bone holding claw that fracture region has been fixed, and the present invention can be chronically implanted patient's body, and energy
Enough ensure to keep bone block reset state for a long time, is taken out after thoroughly healing of fracturing, improve union effect, solve existing
Because of bone nonunion caused by small bone block not replacement and fixation in technology, the case where fracture can not heal.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the present invention；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 3 is the schematic top plan view of Fig. 1；
Fig. 4 is stereoscopic schematic diagram of the invention；
Fig. 5 is the schematic perspective view of bone holding claw of the invention；
Fig. 6 is the structural schematic diagram of interior bridging board of the invention；
Fig. 7 is the elevational schematic view of Fig. 6.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated, and however, it is not limited to this.
As shown in Fig. 1,2,3,4,5,6,7, a kind of limbs fracture inner fixing device, including interior bridging board 1, the interior fixation
Plate 1 is equipped with the combined hole 11 for being used to install the fastening screw connecting with centrum,
It further include bone holding claw 2, the bone holding claw 2 is located at the bottom of interior bridging board 1 and is detachably connected with interior bridging board 1,
The two sides of the bone holding claw 2 along its length have multiple anchor ear pawls 21 arranged apart, set on the anchor ear pawl 21
There is the first spicule hole 221.
Interior bridging board 1 and 2 tightening of bone holding claw are integrated for convenience, as shown in Fig. 3,4,6,7, the interior bridging board 1
It is equipped with adjustment hole 12, as shown in figure 5, the top of the bone holding claw 2 is equipped with thread segment 23, as shown in Fig. 2, the thread segment 23
It is located in adjustment hole 12, and is integrated bone holding claw 2 and the locking of interior bridging board 1 by locking nut 3.
As shown in Fig. 2, in order to further ensure that the jail after the interior bridging board 1 is connect using locking nut 3 with bone holding claw 2
Solidity, the adjustment hole 12 of the interior bridging board 1 are taper adjustment hole, and upper aperture is greater than lower aperture, the locking nut 3 it is outer
Peripheral wall is locking face 31, and the locking face 31 of locking nut 3 and the inner wall of adjustment hole 12 offset.
As shown in Figure 6,7, for convenience to the fine position of bone holding claw 2, the adjustment hole 12 of the interior bridging board 1 is oval
Shape hole, or be long hole.
As shown in figure 5, bone holding claw 2 is connect and the multi-faceted insertion spicule pair of multi-angle with interior bridging board 1 for convenience
Floating bone block carries out replacement and fixation, and the bone holding claw 2 includes the interior bridging board interconnecting piece 24 being mutually integrated with anchor ear pawl 21, described
Interior bridging board interconnecting piece 24 have the second spicule hole 222, and the middle part of interior bridging board interconnecting piece 24 have connect with locking nut 3
Thread segment 23.
As shown in Fig. 2,5, in order to increase frictional force, reinforce anchor ear pawl 21 and power is clasped to bone block, keeps bone block fixed more
Stablize, there is the tooth socket 211 axially arranged along it on the inner wall of the anchor ear pawl 21 of the bone holding claw 2.
As shown in Figure 1, carrying out replacement and fixation to multiple fracture in order to realize, the bottom of the interior bridging board 1 is along it
Length direction is equipped with 1 ~ 3 bone holding claw 2.The two sides of the combined hole 11 of the interior bridging board 1 are respectively equipped with adjustment hole 12.
As shown in figure 5, in order to further increase reasonability of the present invention, the bone holding claw 2 is the bone holding claw of U-shape.This hair
The anchor ear pawl of the arc-shaped shape of the bright anchor ear pawl 21.
As shown in fig. 6, being packed into screw for convenience, and screw is locked, the combined hole 11 of the interior bridging board 1 wraps
The screw mounting hole 111 being mutually communicated and screw locking screw hole 112 are included, and the aperture of screw locking screw hole 112 is pacified less than screw
Fill the aperture in hole 111.
As shown in fig. 7, the bottom of the interior bridging board 1 is simultaneously in order to reinforce the rigid at the combined hole of interior bridging board 1
It is equipped with stiffening plate 13 positioned at the place of combined hole 11, the stiffening plate 13 is mutually integrated with interior bridging board 1.
The present invention can carry out replacement and fixation to floating bone block for comminuted fracture (multiple fracture), and can finally bridge is one
The fixed form of body formula improves union effect.The bone holding claw 2 has plastic anchor ear pawl 21, can pass through pliers
It carries out squeezing the small bone block of dissociating after resetting periphery to it to maintain to fix, there is the first spicule hole 221 on anchor ear pawl 21, can use
Spicule, which protrudes into the first spicule hole 221, resets floating bone block, and the inner sidewall of anchor ear pawl 21 has tooth socket 211, can increase frictional force,
Promotion clasps power to bone block, keeps bone block fixation more stable.The interior bridging board 1 have combined hole 11, can drivescrew make plate
It is mutually fixed with backbone, the interior bridging board 1 has the adjustment hole 12 of tapered shape, when the bone holding claw 2 has fixed free ossiculum
Interior bridging board 1, the locking nut 3 and 23 twist-on of thread segment for being located at bone holding claw 2 in adjustment hole 12 are used after block, make locking screw
The locking face 31 and the hole wall of adjustment hole 12 of mother 3 fits closely, and completes the fixation between bone holding claw and interior bridging board 1.The present invention
It can be chronically implanted patient's body, and can ensure to keep bone block reset state for a long time, take out, promoted after thoroughly healing of fracturing
Union effect is solved because of bone nonunion caused by small bone block not replacement and fixation in prior art, and fracture can not heal
The case where.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of limbs fracture inner fixing device, including interior bridging board (1), the internal fixation plate (1) is equipped with combined hole (11),
It is characterized by:
It further include bone holding claw (2), the bone holding claw (2) is located at the bottom of interior bridging board (1) and detachably connects with interior bridging board (1)
It connects,
The two sides of the bone holding claw (2) along its length have multiple anchor ear pawls (21) arranged apart, the anchor ear pawl
(21) it is equipped with the first spicule hole (221).
2. limbs fracture inner fixing device according to claim 1, it is characterised in that: the interior bridging board (1) is equipped with
The top of adjustment hole (12), the bone holding claw (2) is equipped with thread segment (23), and the thread segment (23) is located in adjustment hole (12),
And bone holding claw (2) and interior bridging board (1) locking are integrated by locking nut (3).
3. limbs fracture inner fixing device according to claim 2, it is characterised in that: the adjusting of the interior bridging board (1)
Hole (12) is taper adjustment hole, and upper aperture is greater than lower aperture, and the periphery wall of the locking nut (3) is locking face (31), and
The locking face (31) and the inner wall of adjustment hole (12) of locking nut (3) offset.
4. limbs fracture inner fixing device according to claim 2, it is characterised in that: the adjusting of the interior bridging board (1)
Hole (12) is kidney ellipsoid hole, or is long hole.
5. limbs fracture inner fixing device according to claim 1, it is characterised in that: the bone holding claw (2) includes and embraces
The interior bridging board interconnecting piece (24) that hoop pawl (21) is mutually integrated, the interior bridging board interconnecting piece (24) have the second spicule hole
(222).
6. limbs fracture inner fixing device according to claim 1, it is characterised in that: the anchor ear pawl of the bone holding claw (2)
(21) there is the tooth socket (211) axially arranged along it on inner wall.
7. limbs fracture inner fixing device according to claim 1, it is characterised in that: the bottom of the interior bridging board (1)
It is provided along its length 1 ~ 3 bone holding claw (2).
8. limbs fracture inner fixing device according to claim 1, it is characterised in that: the bone holding claw (2) is U-shape
Bone holding claw.
9. limbs fracture inner fixing device according to claim 1, it is characterised in that: the combination of the interior bridging board (1)
Hole (11) includes the screw mounting hole (111) being mutually communicated and screw locking screw hole (112), and screw locks screw hole (112)
Aperture is less than the aperture of screw mounting hole (111).
10. limbs fracture inner fixing device according to claim 1 or 8, it is characterised in that: the interior bridging board (1)
Bottom is simultaneously equipped with stiffening plate (13) positioned at the place of combined hole (11), and the stiffening plate (13) is mutually integrated with interior bridging board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783458.1A CN110464439B (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783458.1A CN110464439B (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110464439A true CN110464439A (en) | 2019-11-19 |
| CN110464439B CN110464439B (en) | 2023-12-22 |
Family
ID=68512151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783458.1A Active CN110464439B (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110464439B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364382A (en) * | 1979-08-23 | 1982-12-21 | Ulrich Mennen | Internal fixation device for bone fractures |
| CN2397897Y (en) * | 1999-11-24 | 2000-09-27 | 宋业良 | Bone holding claw changable type patellar fracture reductor |
| CN204410952U (en) * | 2015-01-21 | 2015-06-24 | 张荣峰 | A kind of inner fixing device of proximal humerus syntripsis |
| CN106901821A (en) * | 2017-02-28 | 2017-06-30 | 中国人民解放军第二军医大学第二附属医院 | A kind of patellar fracture internal fixation device |
| CN106901817A (en) * | 2017-04-21 | 2017-06-30 | 刘得恒 | Ankle-joint in-seam comminuted fracture fixator |
| CN211534741U (en) * | 2019-08-23 | 2020-09-22 | 迪恩医疗科技有限公司 | Internal fixing device for limb fracture |
-
2019
- 2019-08-23 CN CN201910783458.1A patent/CN110464439B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364382A (en) * | 1979-08-23 | 1982-12-21 | Ulrich Mennen | Internal fixation device for bone fractures |
| CN2397897Y (en) * | 1999-11-24 | 2000-09-27 | 宋业良 | Bone holding claw changable type patellar fracture reductor |
| CN204410952U (en) * | 2015-01-21 | 2015-06-24 | 张荣峰 | A kind of inner fixing device of proximal humerus syntripsis |
| CN106901821A (en) * | 2017-02-28 | 2017-06-30 | 中国人民解放军第二军医大学第二附属医院 | A kind of patellar fracture internal fixation device |
| CN106901817A (en) * | 2017-04-21 | 2017-06-30 | 刘得恒 | Ankle-joint in-seam comminuted fracture fixator |
| CN211534741U (en) * | 2019-08-23 | 2020-09-22 | 迪恩医疗科技有限公司 | Internal fixing device for limb fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110464439B (en) | 2023-12-22 |
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