CN219578950U - Bone taking device for tibia osteotomy block - Google Patents
Bone taking device for tibia osteotomy block Download PDFInfo
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- CN219578950U CN219578950U CN202222692212.3U CN202222692212U CN219578950U CN 219578950 U CN219578950 U CN 219578950U CN 202222692212 U CN202222692212 U CN 202222692212U CN 219578950 U CN219578950 U CN 219578950U
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- clamping
- bone
- clamping part
- handle
- forceps handle
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 31
- 210000002303 tibia Anatomy 0.000 title claims abstract description 17
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 12
- 239000012634 fragment Substances 0.000 claims 2
- 238000010008 shearing Methods 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 abstract description 5
- 210000000281 joint capsule Anatomy 0.000 abstract description 3
- 201000008482 osteoarthritis Diseases 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 3
- 208000003947 Knee Osteoarthritis Diseases 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 238000011882 arthroplasty Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a bone remover for a tibia osteotomy block, which comprises a hinge shaft, a first forceps handle and a second forceps handle which are connected through the hinge shaft, wherein the tail ends of the first forceps handle and the second forceps handle are respectively provided with a finger ring, the front ends of the first forceps handle and the second forceps handle are respectively provided with a first clamping part and a second clamping part for clamping the osteotomy block, the clamping surface of the first clamping part is semicircular, the front edge of the clamping surface of the first clamping part is provided with a shearing blade, the clamping surface of the second clamping part is circular, and the clamping surface of the second clamping part is provided with a plurality of saw teeth. According to the utility model, the shearing blade is arranged on the front edge of the clamping part, so that the bone surface which is not cut off at the rear part can be cut off again, and the joint capsule tissues around the bone block can be cut off, thereby being convenient to take out; simultaneously, the saw teeth on the clamping surface enable the osteotomy block not to slide on the clamping surface easily, so that the osteotomy block is prevented from sliding off when the osteotomy block is taken out; the locking device is arranged to prevent dislocation after clamping, so that the operation is convenient.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a bone extractor for a tibia osteotomy block.
Background
Osteoarthritis (OA) is a degenerative joint disease that severely affects the quality of life of a patient, the most common form of arthritis, affecting about 10% of the world's population 60 years old or older. However, KOA is the most common clinical chronic joint disease which afflicts the middle-aged and elderly people, and is mainly manifested by knee joint pain and limited movement. Knee joint is divided into three compartments, medial compartment, lateral compartment and patellofemoral compartment, knee osteoarthritis can affect any one of which, but 1/3 of early lesions of patients are limited to only one compartment and are known as medial compartment. The artificial unicondylar arthroplasty is an effective treatment method for knee osteoarthritis by performing surface replacement only on the affected compartment.
Tibial osteotomies are a key step in unicondylar replacement surgery, and the operation of tibial osteotomies is an important step of surgery and is also a key point for determining success or failure of the surgery. When the vertical and horizontal osteotomies are finished, the bone blocks are often laborious to take out, on one hand, the osteotomies are not deep enough, operators worry about injuring surrounding tissues and not cutting off completely, and the joint capsule tissues around the bone blocks are adhered, so that the tibia osteotomies are difficult to take out, and at present, no special instrument for taking out the tibia osteotomies is available, the tibia osteotomies are usually clamped by the buckling forceps to be pulled outwards clinically, and the complete bone blocks cannot be taken out due to the fact that the tips of the forceps are relatively sharp, the operation time is delayed, and meanwhile, the bone blocks are taken by the buckling forceps, so that the damage to the forceps is also caused. Accordingly, a bone harvester for a tibial osteotomy block is provided.
Disclosure of Invention
The present utility model addresses the deficiencies of the prior art described above by providing a bone harvester for a tibial osteotomy block.
The utility model adopts the following technical proposal to solve the defects of the technology:
the utility model provides a get bone ware for tibia osteotomy piece, including the articulated shaft and through first pincers handle and the second pincers handle of articulated shaft connection, first pincers handle with the tail end of second pincers handle all is equipped with the ring, first pincers handle with the front end of second pincers handle is equipped with first clamping part and the second clamping part that is used for centre gripping tibia osteotomy piece respectively, the centre gripping of first clamping part is semi-circular, just be equipped with the shearing edge on the front border of the centre gripping of first clamping part, the centre gripping of second clamping part is circular, just be equipped with a plurality of sawtooth on the clamping face of second clamping part.
Further, a locking device is arranged between the first clamp handle and the second clamp handle, the locking device comprises two racks which are oppositely arranged, and tooth hooks of the two racks are matched with each other.
Further, the two racks are respectively connected with the first clamp handle and the second clamp handle.
Further, the clamping surface of the first clamping part is a plane.
Further, the first forceps handle and the second forceps handle both comprise a hinge part and a handheld part, and the joint of the hinge part and the handheld part is provided with an angle.
Further, the tail of the finger ring is provided with a cylindrical bulge.
Compared with the prior art, the utility model has the following technical advantages:
according to the bone extractor for the tibia osteotomy block, the shearing edge is arranged on the front edge of the clamping part, so that the bone surface which is not cut off at the rear part can be subjected to osteotomy again, and the joint capsule tissues around the bone block can be resected, so that the bone extractor is convenient to take out; simultaneously, the saw teeth on the clamping surface prevent the osteotomy block from sliding on the clamping surface, thereby avoiding slipping when taking the osteotomy block; the locking device is arranged, so that the clamping device cannot be dislocated after being clamped, and is convenient to operate.
Drawings
FIG. 1 is a schematic view of the bone extractor for a tibial osteotomy block of the present utility model;
FIG. 2 is a schematic side view of a first clamping portion of the present utility model;
FIG. 3 is a schematic side view of a second clamping portion of the present utility model;
wherein the reference numerals are as follows:
a first grip handle 1; a second grip handle 2; a hinge shaft 3; a first clamping portion 4; a second clamping portion 5; a hand-held part 6; a hinge 7; saw teeth 8; a rack 9; a cutting edge 10; a finger ring 11; stud bumps 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, the present embodiment provides a bone harvester for a tibia osteotomy block, which includes a hinge shaft 3, and a first forceps handle 1 and a second forceps handle 2 connected by the hinge shaft 3, wherein the tail ends of the first forceps handle 1 and the second forceps handle 2 are respectively provided with a finger ring 11, the front ends of the first forceps handle 1 and the second forceps handle 2 are respectively provided with a first clamping part 4 and a second clamping part 5 for clamping the tibia osteotomy block, the clamping surface of the first clamping part 4 is semicircular, and the front edge of the clamping surface of the first clamping part 4 is provided with a shearing blade 10, the shape of the first clamping part 4 is consistent with that of the tibia osteotomy block, so that the tibia block can be better clamped, and the bone harvester is convenient to take out; the clamping surface of the second clamping part 5 is circular, so that the contact area between the clamping surface and the tibia bone cutting block is increased, the local stress is increased, a plurality of saw teeth 8 are arranged on the clamping surface of the second clamping part 5, the bone cutting block is not easy to slide on the clamping surface due to the arrangement of the saw teeth 8, the holding force is increased, and then the bone cutting block is prevented from slipping when being taken.
As a preferred embodiment, a locking device is arranged between the first forceps handle 1 and the second forceps handle 2, the locking device is two racks 9 which are oppositely arranged, the two racks 9 are respectively connected with the first forceps handle 1 and the second forceps handle 2, the tooth hooks of the two racks 9 are matched with each other, and the locking device can not be dislocated after being clamped, so that the operation is convenient.
As a preferred embodiment, the clamping surface of the first clamping part 4 is a plane, and the other surface opposite to the clamping surface is a blunt surface, so as to prevent the ligament tissue from being injured aside from being taken out and entered.
As a preferred embodiment, the first forceps handle 1 and the second forceps handle 2 each comprise a hinge part 7 and a hand holding part 6, and the joint of the hinge part 7 and the hand holding part 6 has an angle, so that the operation is convenient.
As a preferred embodiment, the tail end of the finger ring 11 of the first forceps handle 1 is provided with a columnar bulge 12, and the bone extractor is moved into the bone by knocking the columnar bulge 12, so that the bone surface which is not truncated at the rear can be conveniently cut again.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. The utility model provides a get bone ware for tibia bone fragment, its characterized in that, including articulated shaft (3) and through first pincers handle (1) and second pincers handle (2) that articulated shaft (3) are connected, first pincers handle (1) with the tail end of second pincers handle (2) all is equipped with ring (11), first pincers handle (1) with the front end of second pincers handle (2) is equipped with first clamping part (4) and second clamping part (5) that are used for centre gripping tibia bone fragment respectively, the centre gripping of first clamping part (4) is semi-circular, just be equipped with cutting edge (10) on the clamping face border of first clamping part (4), the centre gripping of second clamping part (5) is circular, just be equipped with a plurality of sawtooth (8) on the clamping face of second clamping part (5).
2. The bone harvester for tibial osteotomies according to claim 1, wherein a locking device is arranged between the first forceps handle (1) and the second forceps handle (2), the locking device comprises two oppositely arranged racks (9), and the tooth hooks of the two racks (9) are matched with each other.
3. Bone harvester for tibial osteotomies according to claim 2, characterized in that two racks (9) are connected to the first and second forceps handles (1, 2), respectively.
4. The bone harvester for tibial osteotomies according to claim 1, wherein the clamping surface of the first clamping portion (4) is planar.
5. The bone harvester for tibial osteotomies according to claim 1, wherein the first forceps handle (1) and the second forceps handle (2) each comprise a hinge (7) and a hand-held portion (6), the hinge (7) being angled at the connection with the hand-held portion (6).
6. The bone harvester for tibial osteotomies according to claim 1, wherein the finger ring (11) of the first forceps handle (1) is provided with a cylindrical protrusion (12) at its tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222692212.3U CN219578950U (en) | 2022-10-12 | 2022-10-12 | Bone taking device for tibia osteotomy block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222692212.3U CN219578950U (en) | 2022-10-12 | 2022-10-12 | Bone taking device for tibia osteotomy block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219578950U true CN219578950U (en) | 2023-08-25 |
Family
ID=87690328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222692212.3U Active CN219578950U (en) | 2022-10-12 | 2022-10-12 | Bone taking device for tibia osteotomy block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219578950U (en) |
-
2022
- 2022-10-12 CN CN202222692212.3U patent/CN219578950U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240507 Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee after: Beijing natong Medical Technology Holding Co.,Ltd. Country or region after: China Address before: No. 1111, Xianxia Road, Changning District, Shanghai 200050 Patentee before: SHANGHAI TONG REN Hospital Country or region before: China |
|
| TR01 | Transfer of patent right |