CN211534741U - Internal fixing device for limb fracture - Google Patents
Internal fixing device for limb fracture Download PDFInfo
- Publication number
- CN211534741U CN211534741U CN201921386525.8U CN201921386525U CN211534741U CN 211534741 U CN211534741 U CN 211534741U CN 201921386525 U CN201921386525 U CN 201921386525U CN 211534741 U CN211534741 U CN 211534741U
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- China
- Prior art keywords
- bone
- claw
- hole
- plate
- internal fixation
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 73
- 210000000078 claw Anatomy 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 206010017076 Fracture Diseases 0.000 abstract description 18
- 208000010392 Bone Fractures Diseases 0.000 abstract description 15
- 230000035876 healing Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 208000024779 Comminuted Fractures Diseases 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
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Abstract
The utility model relates to a four limbs internal fixation that fractures device, including the interior bridging board, be equipped with the combination hole on the interior fixed plate, its innovation point lies in: still include and hold the bone claw, hold the bone claw and be located the bottom of interior bridging plate and can dismantle with interior bridging plate and be connected, hold the bone claw and have a plurality of staple bolts claws of separately arranging along its length direction's both sides, be equipped with first bone pinhole on the staple bolt claw. The utility model discloses can reset fixedly to free bone piece, make its fixed form that can bridge formula as an organic whole, promote fracture healing effect.
Description
Technical Field
The utility model relates to an internal fixation device, in particular to an internal fixation device for four-limb fracture, which belongs to the technical field of instruments for orthopedics.
Background
At present, if comminuted fracture appears in the patient, the processing of traditional means to free piece is generally reset temporarily to it by pincers that reset, and the unable screw of implanting of department that resets, can't play permanent fixed effect, implants the internal surface that covers in the department that resets with the bridging plate again to fix the bridging plate on the good centrum in edge with the screw, but this kind of fixed mode, postoperative bone piece loses easily, causes the bone to not connect, and final fracture can't heal up.
Disclosure of Invention
The utility model aims at: the limb fracture internal fixation device can reset and fix free bone blocks, can bridge the free bone blocks into an integrated fixing form, and improves the fracture healing effect.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an internal fixation device for limb fracture, includes interior bridging plate, be equipped with the combination hole on the interior fixed plate, its innovation point lies in:
also comprises a bone holding claw which is positioned at the bottom of the inner bridging plate and is detachably connected with the inner bridging plate,
the bone holding claw is provided with a plurality of separately arranged anchor ear claws along two sides of the length direction of the bone holding claw, and the anchor ear claws are provided with first bone needle holes.
In the technical scheme, the inner bridging plate is provided with an adjusting hole, the top of the bone holding claw is provided with a thread section, the thread section is arranged in the adjusting hole, and the bone holding claw and the inner bridging plate are locked into a whole through a locking nut.
In the technical scheme, the adjusting hole of the inner bridge plate is a conical adjusting hole, the upper aperture is larger than the lower aperture, the peripheral wall of the locking nut is a locking surface, and the locking surface of the locking nut is abutted to the inner wall of the adjusting hole.
In the above technical scheme, the adjusting holes of the inner bridge plate are oval holes or long holes.
In the above technical scheme, the bone holding claw comprises an inner bridging plate connecting part integrated with the hoop claw, and the inner bridging plate connecting part is provided with a second bone pinhole.
In the technical scheme, the inner wall of the hoop claw of the bone holding claw is provided with a tooth groove which is arranged along the axial direction of the inner wall.
In the technical scheme, 1-3 bone holding claws are arranged at the bottom of the inner bridging plate along the length direction of the inner bridging plate.
In the technical scheme, the bone holding claw is a U-shaped bone holding claw.
In the above technical solution, the combining hole of the inner bridge plate includes a screw mounting hole and a screw locking screw hole which are mutually communicated, and the aperture of the screw locking screw hole is smaller than that of the screw mounting hole.
In the technical scheme, the bottom of the inner bridge plate is provided with the reinforcing plate at the position of the combining hole, and the reinforcing plate and the inner bridge plate are integrated.
The utility model discloses the positive effect who has is: after the internal fixing device for four-limb fracture is adopted, the bone holding claw is positioned at the bottom of the internal bridging plate and is detachably connected with the internal bridging plate, the two sides of the bone holding claw along the length direction are provided with a plurality of separately arranged anchor ear claws, the anchor ear claws are provided with first bone needle holes,
during the use, it is downthehole to utilize the spicule to pass the first spicule of staple bolt claw, free bone piece resets for the staple bolt claw of holding the bone claw can hoop free bone piece, and the rethread pliers extrudees the staple bolt claw and makes the peripheral free ossicle piece after resetting maintain the stationary state, and at last interior bridging plate is connected with the fixed bone claw of holding in fracture district, the utility model discloses can implant the patient for a long time internal, and can ensure to keep the bone piece reset state for a long time, treat to take out after the thorough healing of fracture, promote the union effect, solve among the prior art because of the ossicle piece does not reset the fixed bone that leads to and the unable condition of healing of fracture.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic top view of FIG. 1;
fig. 4 is a perspective view of the present invention;
FIG. 5 is a schematic perspective view of the bone holding claw of the present invention;
FIG. 6 is a schematic structural view of the inner bridge plate of the present invention;
fig. 7 is a schematic bottom view of fig. 6.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, an internal fixation device for limb fracture comprises an internal bridge plate 1, wherein the internal fixation plate 1 is provided with a combination hole 11 for installing a fastening screw connected with a vertebral body,
the bone holding claw 2 is positioned at the bottom of the inner bridging plate 1 and is detachably connected with the inner bridging plate 1,
the two sides of the bone holding claw 2 along the length direction are provided with a plurality of anchor ear claws 21 which are separately arranged, and the anchor ear claws 21 are provided with first bone needle holes 221.
In order to conveniently fix the inner bridging plate 1 and the bone holding claw 2 into a whole, as shown in fig. 3, 4, 6 and 7, an adjusting hole 12 is formed in the inner bridging plate 1, as shown in fig. 5, a threaded section 23 is formed in the top of the bone holding claw 2, as shown in fig. 2, the threaded section 23 is formed in the adjusting hole 12, and the bone holding claw 2 and the inner bridging plate 1 are locked into a whole through a locking nut 3.
As shown in fig. 2, in order to further ensure the firmness of the inner bridge plate 1 after the inner bridge plate 1 is connected with the bone holding claw 2 by using the locking nut 3, the adjusting hole 12 of the inner bridge plate 1 is a tapered adjusting hole, the upper aperture is larger than the lower aperture, the peripheral wall of the locking nut 3 is a locking surface 31, and the locking surface 31 of the locking nut 3 abuts against the inner wall of the adjusting hole 12.
As shown in fig. 6 and 7, in order to facilitate fine adjustment of the position of the bone holding claw 2, the adjusting hole 12 of the inner bridge plate 1 is a kidney-round hole or a long hole.
As shown in fig. 5, in order to facilitate connection of the bone holding claw 2 and the inner bridge plate 1 and reposition and fix the free bone block by inserting the bone in multiple directions at multiple angles, the bone holding claw 2 includes an inner bridge plate connecting portion 24 integrated with the hoop claw 21, the inner bridge plate connecting portion 24 has a second bone pin hole 222, and the middle portion of the inner bridge plate connecting portion 24 has a thread section 23 connected with the locking nut 3.
As shown in fig. 2 and 5, in order to increase the friction force and enhance the holding force of the hoop claw 21 to the bone block, so as to fix the bone block more stably, the inner wall of the hoop claw 21 of the bone holding claw 2 is provided with tooth grooves 211 arranged along the axial direction thereof.
As shown in figure 1, in order to realize reduction and fixation of a plurality of fractures, 1-3 bone holding claws 2 are arranged at the bottom of the inner bridge plate 1 along the length direction. And adjusting holes 12 are respectively arranged at two sides of the combining hole 11 of the inner bridging plate 1.
As shown in fig. 5, in order to further improve the rationality of the present invention, the bone holding claws 2 are U-shaped bone holding claws. Staple bolt claw 21 is the staple bolt claw of arc form.
As shown in fig. 6, in order to facilitate the installation of screws and the locking of the screws, the coupling hole 11 of the inner bridge plate 1 includes a screw mounting hole 111 and a screw locking screw hole 112 which are penetrated through each other, and the diameter of the screw locking screw hole 112 is smaller than that of the screw mounting hole 111.
As shown in fig. 7, in order to reinforce the rigidity strength at the coupling hole of the inner bridge plate 1, a reinforcing plate 13 is provided at the bottom of the inner bridge plate 1 at the coupling hole 11, and the reinforcing plate 13 and the inner bridge plate 1 are integrated with each other.
The utility model discloses can reset fixedly to free bone piece to comminuted fracture (many fractures), the fixed form of the formula as an organic whole that finally can bridge has promoted the union effect. Hold staple bolt claw 21 that bone claw 2 has plasticity, accessible pliers extrude it and make the free ossicle piece after the periphery resets maintain fixedly, have first bone pinhole 221 on the staple bolt claw 21, can stretch into free ossicle piece of restoring to the throne in the first bone pinhole 221 with the spicule, the inside wall of staple bolt claw 21 has tooth's socket 211, can increase frictional force, promotes the power of holding to the ossicle, makes the ossicle fixed more stable. The inner bridge plate 1 is provided with a combination hole 11, a screw can be driven into the combination hole to fix the plate and the backbone, the inner bridge plate 1 is provided with a conical adjusting hole 12, the inner bridge plate 1 is used after the bone holding claw 2 fixes free small bone blocks, the locking nut 3 is screwed with a thread section 23 of the bone holding claw 2 in the adjusting hole 12, a locking surface 31 of the locking nut 3 is tightly attached to the hole wall of the adjusting hole 12, and fixation between the bone holding claw and the inner bridge plate 1 is completed. The utility model discloses can implant the patient for a long time internally to can ensure to keep the bone piece reset state for a long time, take out after treating the thorough healing of fracture, promote the union effect of fracture, solve among the prior art because of the bone that the ossicle piece does not reset fixedly and leads to not union, the unable union's of fracture condition.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a four limbs fracture internal fixation device, includes interior bridging plate (1), be equipped with combination hole (11) on interior bridging plate (1), its characterized in that:
also comprises a bone holding claw (2), the bone holding claw (2) is positioned at the bottom of the inner bridging plate (1) and is detachably connected with the inner bridging plate (1),
the two sides of the bone holding claw (2) along the length direction are provided with a plurality of anchor ear claws (21) which are separately arranged, and the anchor ear claws (21) are provided with first bone needle holes (221).
2. The internal fixation device for fractured limbs of claim 1, wherein: be equipped with on interior bridging plate (1) and adjust hole (12), the top of holding bone claw (2) is equipped with screw thread section (23), screw thread section (23) are established in adjusting hole (12) to it is as an organic whole with holding bone claw (2) and interior bridging plate (1) locking through lock nut (3).
3. The internal fixation device for fractured limbs of claim 2, wherein: the adjusting hole (12) of the inner bridge plate (1) is a conical adjusting hole, the upper aperture is larger than the lower aperture, the peripheral wall of the locking nut (3) is a locking surface (31), and the locking surface (31) of the locking nut (3) is abutted to the inner wall of the adjusting hole (12).
4. The internal fixation device for fractured limbs of claim 2, wherein: the adjusting holes (12) of the inner bridge plate (1) are oval holes or long holes.
5. The internal fixation device for fractured limbs of claim 1, wherein: the bone holding claw (2) comprises an inner bridging plate connecting part (24) integrated with the hoop claw (21), and the inner bridging plate connecting part (24) is provided with a second bone needle hole (222).
6. The internal fixation device for fractured limbs of claim 1, wherein: the inner wall of the hoop claw (21) of the bone holding claw (2) is provided with a tooth groove (211) which is arranged along the axial direction of the bone holding claw.
7. The internal fixation device for fractured limbs of claim 1, wherein: the bottom of interior bridging plate (1) is equipped with 1~3 and holds bone claw (2) along its length direction.
8. The internal fixation device for fractured limbs of claim 1, wherein: the bone holding claw (2) is a U-shaped bone holding claw.
9. The internal fixation device for fractured limbs of claim 1, wherein: the combining hole (11) of the inner bridge plate (1) comprises a screw mounting hole (111) and a screw locking screw hole (112) which are communicated with each other, and the aperture of the screw locking screw hole (112) is smaller than that of the screw mounting hole (111).
10. The internal fixation device for fractured limbs according to claim 1 or 8, wherein: the bottom of interior bridging plate (1) is located the department that combines hole (11) and is equipped with reinforcing plate (13), reinforcing plate (13) and interior bridging plate (1) are each other as an organic whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386525.8U CN211534741U (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386525.8U CN211534741U (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211534741U true CN211534741U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921386525.8U Active CN211534741U (en) | 2019-08-23 | 2019-08-23 | Internal fixing device for limb fracture |
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| Country | Link |
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| CN (1) | CN211534741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464439A (en) * | 2019-08-23 | 2019-11-19 | 迪恩医疗科技有限公司 | Limbs fracture inner fixing device |
-
2019
- 2019-08-23 CN CN201921386525.8U patent/CN211534741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464439A (en) * | 2019-08-23 | 2019-11-19 | 迪恩医疗科技有限公司 | Limbs fracture inner fixing device |
| CN110464439B (en) * | 2019-08-23 | 2023-12-22 | 迪恩医疗科技有限公司 | Internal fixing device for limb fracture |
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