CN217244839U - Bone grafting bone block shearing device for orthopedic surgery - Google Patents
Bone grafting bone block shearing device for orthopedic surgery Download PDFInfo
- Publication number
- CN217244839U CN217244839U CN202220511427.8U CN202220511427U CN217244839U CN 217244839 U CN217244839 U CN 217244839U CN 202220511427 U CN202220511427 U CN 202220511427U CN 217244839 U CN217244839 U CN 217244839U
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- Prior art keywords
- plate
- shearing
- bone
- rod
- connecting seat
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- 238000010008 shearing Methods 0.000 title claims abstract description 71
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 61
- 230000000399 orthopedic effect Effects 0.000 title claims description 11
- 238000001356 surgical procedure Methods 0.000 title claims description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000002054 transplantation Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bone block shearing, in particular to a bone grafting bone block shearing device used in orthopaedics, which comprises a first pressure bar and a second pressure bar, wherein a pressure ring is fixedly arranged on the second pressure bar, a shearing tank is spliced on the pressure ring, a pressure plate is rotatably arranged on the first pressure bar, one end of the first pressure bar is provided with a second connecting seat, the second connecting seat is rotatably connected with the pressure ring, the first pressure bar is jointed with the inner wall of the shearing tank to slide, a groove is arranged on the shearing tank, a first extrusion plate, a second extrusion plate and a connecting plate are rotatably arranged on the groove, a connecting block is fixedly arranged on the connecting plate, one end of the connecting block is fixedly provided with an inserting rod, the inserting rod is connected with the shearing tank and the pressure ring in a penetrating and sliding manner, the utility model aims to provide a bone grafting bone block shearing device used in orthopaedics, which can cut bone grafting bone blocks into a plurality of uniform sizes, and the shearing tank can be flexibly disassembled for cleaning.
Description
Technical Field
The utility model relates to a bone piece shearing technical field specifically is a bone grafting bone piece shearing mechanism in orthopedics art.
Background
The autogenous bone transplantation is one of the important operation techniques of orthopaedics, especially spine surgery, the main purpose of the bone crusher is to simply and rapidly divide a large bone block to be crushed into small bone particles, which is convenient for bone transplantation, with the aging population, the incidence rate of spine degenerative diseases such as cervical spondylosis and lumbar disc herniation is higher and higher, the operation decompression is generally the final effective treatment method of the diseases, although the current operation decompression modes are various, the 'spinal canal decompression-internal fixation-spinal fusion' is still the most common operation method of the operations, the early spinal internal fixation can provide better stability, but with the time lapse and the continuous increase of the activity of patients, the risk of internal fixation loosening and even fracture is not increased, the autogenous spinal bone transplantation fusion is needed to provide permanent stability, and the key technique is to cut the bone fragments obtained when the spinal canal is decompressed or the autogenous bone is taken out and is cut into the size The bone fragments are implanted between adjacent vertebral bodies, and the aim of permanent stabilization is fulfilled by expected realization of bony connection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an orthopedics is with bone grafting bone piece shearing mechanism to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bone grafting bone piece shearing mechanism in orthopedics art, includes first depression bar, second depression bar, fixed mounting has the clamping ring on the second depression bar, it has the shearing jar to peg graft on the clamping ring, it is provided with the pressure disk to rotate on the first depression bar, the one end of first depression bar is provided with the second connecting seat, the second connecting seat rotates with the clamping ring to be connected, first depression bar slides with the inner wall laminating of shearing jar, the last recess of having seted up of shearing jar, rotate on the recess and install first stripper plate, second stripper plate, connecting plate, fixed mounting has the connecting block on the connecting plate, the one end fixed mounting of connecting block has the inserted bar, the inserted bar runs through sliding connection with shearing jar, clamping ring, first stripper plate, second stripper plate and pressure disk activity extrusion are connected.
Optionally, the clamping ring is fixedly welded on the second pressing rod, one end of the shearing tank is provided with an edge eaves, and the edge eaves are connected with the clamping ring in an extrusion manner.
Optionally, fixed mounting has first connecting seat on the first depression bar, rotate on the first connecting seat and install first rotation axis, one side of first depression bar is provided with the connecting rod, the connecting rod rotates the assembly on first connecting seat through first rotation axis, pressure disk fixed assembly is on the connecting rod.
Optionally, the second connecting seat is fixedly assembled on the first pressing rod, a second rotating shaft is rotatably installed on the second connecting seat, a third connecting seat is installed on the pressing ring, and the third connecting seat is rotatably connected with the second connecting seat through the second rotating shaft.
Optionally, a knife net is installed at the bottom of the shearing tank, a third rotating shaft is installed inside the groove in a rotating mode, and the first extrusion plate, the second extrusion plate and the connecting plate are fixedly assembled on the third rotating shaft.
Optionally, one end of the connecting block is fixedly assembled on the connecting plate, the connecting block is made of rubber, and the inserted rod is made of metal.
Compared with the prior art, the beneficial effects of the utility model are that:
1. put the bone grafting piece in the inside of cuting the jar, will cut the jar and insert on the clamping ring, the connecting rod is rotatory on first connecting seat through first rotation axis, it is rotatory that the connecting rod drives the pressure disk, slide the pressure disk into the inside of cuting the jar, then extrude first depression bar, the second depression bar is close to each other, first depression bar will drive the pressure disk through the connecting rod and slide in the inside of cuting the jar, the pressure disk continues gliding extrusion bone grafting piece, bone grafting piece is cut into a plurality of even sizes through the cutting net, and it has the shearing jar to peg graft on the clamping ring, can be nimble dismantle the jar of cuting and get off and wash.
2. When the pressure plate slides, the pressure plate extrudes the first extrusion plate to enable the first extrusion plate to rotate, the first extrusion plate drives the third rotating shaft to rotate, the third rotating shaft drives the second extrusion plate and the connecting plate to rotate, the connecting plate drives the connecting block to move, the connecting block drives the inserted rod to penetrate and slide on the shearing tank and the pressure ring, the inserted rod is clamped on the shearing tank and the pressure ring to keep the stability of the connection between the pressure ring and the shearing tank, when the pressure plate slides out of the shearing tank, the pressure plate extrudes with the second extrusion plate to enable the second extrusion plate to rotate, the second extrusion plate drives the third rotating shaft to rotate, the third rotating shaft drives the inserted link to slide through the connecting plate, so that the clamping connection between the pressure ring and the shearing tank is cancelled, the pressure ring and the shearing tank can be automatically clamped together, and keep stable, avoid shearing the bone grafting bone piece at the shearing jar and appear rocking the time, the clamping ring takes place the position with the shearing jar, leads to the bone grafting bone to cut failure soon.
Drawings
Fig. 1 is a schematic view of the overall structure of a bone graft shearing device for orthopedics of the present invention;
fig. 2 is a cross-sectional view of a bone graft shearing apparatus for use in orthopedics of the present invention;
fig. 3 is a partial sectional view of a bone graft shearing apparatus for orthopedics of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3 of the bone grafting bone block shearing apparatus for orthopedics of the present invention.
In the figure: 1. a first pressure lever; 2. a second compression bar; 3. a platen; 4. a connecting rod; 5. a first connecting seat; 6. a first rotating shaft; 7. a second connecting seat; 8. a second rotation shaft; 9. pressing a ring; 10. a shearing tank; 11. a third connecting seat; 12. a groove; 13. a third rotation axis; 14. a first compression plate; 15. a second compression plate; 16. a rod is inserted; 17. connecting blocks; 18. a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a bone grafting block shearing apparatus for orthopedics, comprising a first compression bar 1 and a second compression bar 2, wherein a compression ring 9 is fixedly installed on the second compression bar 2, a shearing tank 10 is inserted on the compression ring 9, a pressure plate 3 is rotatably installed on the first compression bar 1, a second connecting seat 7 is installed at one end of the first compression bar 1, the second connecting seat 7 is rotatably connected with the compression ring 9, the first compression bar 1 is in sliding fit with the inner wall of the shearing tank 10, a groove 12 is opened on the shearing tank 10, a first extrusion plate 14, a second extrusion plate 15 and a connecting plate 18 are rotatably installed on the groove 12, a connecting block 17 is fixedly installed on the connecting plate 18, an insertion bar 16 is fixedly installed at one end of the connecting block 17, the insertion bar 16 is in sliding connection with the shearing tank 10 and the compression ring 9, the first extrusion plate 14, the second extrusion plate 15 is movably connected with the pressure plate 3 in an extrusion manner, a bone grafting block placed inside the shearing tank 10 is extruded through 3, through the even shearing of the cutter mesh of shearing jar 10 bottoms to bone grafting bone piece, pressure disk 3 is when shearing jar 10 inside slip, pressure disk 3 extrudes first stripper plate 14, first stripper plate 14 drives connecting plate 18 through third rotation axis 13 and rotates, connecting plate 18 can make inserted bar 16 insert on clamping ring 9 and shearing jar 10, make clamping ring 9 and shearing jar 10 be connected more stable, avoid pressure disk 3 when extrusion bone grafting bone piece, lead to shearing jar 10 to take place the displacement on clamping ring 9, can set up a plurality of holes that are used for 16 pegs graft of inserted bar on the inner wall of clamping ring 9, avoid the hole too few, inserted bar 16 can't be pegged graft with clamping ring 9.
Clamping ring 9 fixed welding is on second depression bar 2, and the one end of shearing jar 10 is provided with the limit eaves, and the limit eaves is connected with the extrusion of clamping ring 9, through the limit eaves on the shearing jar 10, not only can dismantle the convenient installation of shearing jar 10, can make shearing jar 10 place on clamping ring 9 and extrude with clamping ring 9 simultaneously.
Fixed mounting has first connecting seat 5 on the first depression bar 1, rotates on the first connecting seat 5 and installs first rotation axis 6, and one side of first depression bar 1 is provided with connecting rod 4, and connecting rod 4 rotates the assembly on first connecting seat 5 through first rotation axis 6, and pressure disk 3 fixed mounting is on connecting rod 4.
Second connecting seat 7 fixed mounting is on first depression bar 1, and second rotation axis 8 is installed in the last rotation of second connecting seat 7, installs third connecting seat 11 on the clamping ring 9, and third connecting seat 11 rotates through second rotation axis 8 and second connecting seat 7 to be connected.
The bottom of the shearing tank 10 is provided with a cutter mesh, the inside of the groove 12 is rotatably provided with a third rotating shaft 13, the first extrusion plate 14, the second extrusion plate 15 and the connecting plate 18 are fixedly assembled on the third rotating shaft 13, and the first extrusion plate 14, the second extrusion plate 15 and the connecting plate 18 can rotate through the third rotating shaft 13.
Connecting block 17's one end fixed mounting is on connecting plate 18, and connecting block 17 is the rubber material, and inserted bar 16 is the metal material, is the rubber material through connecting block 17, and connecting block 17 can take place slightly crooked, can make connecting block 17 extrusion inserted bar 16 when connecting plate 18 is rotatory, makes inserted bar 16 slide, is the metal material through inserted bar 16, and inserted bar 16 inserts on shearing jar 10, clamping ring 9, can keep shearing jar 10, the stability that clamping ring 9 connected.
The working principle is as follows: when in use, the bone grafting bone block is placed in the shearing tank 10, the shearing tank 10 is inserted into the compression ring 9, the connecting rod 4 rotates on the first connecting seat 5 through the first rotating shaft 6, the connecting rod 4 drives the pressure plate 3 to rotate, the pressure plate 3 slides into the shearing tank 10, then the first pressure rod 1 and the second pressure rod 2 are extruded to be close to each other, the first pressure rod 1 drives the pressure plate 3 to slide in the shearing tank 10 through the connecting rod 4, when the pressure plate 3 slides, the pressure plate 3 extrudes the first extrusion plate 14 to rotate the first extrusion plate 14, the first extrusion plate 14 drives the third rotating shaft 13 to rotate, the third rotating shaft 13 drives the second extrusion plate 15 and the connecting plate 18 to rotate, the connecting plate 18 drives the connecting block 17 to move, the connecting block 17 drives the insertion rod 16 to run through and slide on the shearing tank 10 and the compression ring 9, the insertion rod 16 is clamped on the shearing tank 10 and the compression ring 9, and the stability of connection between the compression ring 9 and the shearing tank 10 is kept, the pressure disk 3 continues gliding extrusion bone grafting piece, and bone grafting piece is cut into a plurality of even portions of size through the cutting mesh, and when jar 10 inside was cuted in the 3 roll-off of pressure disk, pressure disk 3 will make second stripper plate 15 rotatory with the 15 extrusion of second stripper plate, and second stripper plate 15 drives third rotation axis 13 and rotates, and third rotation axis 13 drives inserted bar 16 through connecting plate 18 and slides, makes clamping ring 9 and the jar 10 cancellation joint of cuting.
Although embodiments of the present invention have been shown and described, it will be appreciated by 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, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The bone grafting bone block shearing device for the orthopedic surgery comprises a first compression rod (1) and a second compression rod (2), and is characterized in that a compression ring (9) is fixedly mounted on the second compression rod (2), a shearing tank (10) is spliced on the compression ring (9), a pressure plate (3) is rotatably arranged on the first compression rod (1), a second connecting seat (7) is arranged at one end of the first compression rod (1), the second connecting seat (7) is rotatably connected with the compression ring (9), the first compression rod (1) is attached to and slides on the inner wall of the shearing tank (10), a groove (12) is formed in the shearing tank (10), a first extrusion plate (14), a second extrusion plate (15) and a connecting plate (18) are rotatably mounted on the groove (12), a connecting block (17) is fixedly mounted on the connecting plate (18), and an insertion rod (16) is fixedly mounted at one end of the connecting block (17), the inserted bar (16) penetrates through the sliding connection with the shearing tank (10) and the pressing ring (9), and the first extrusion plate (14) and the second extrusion plate (15) are movably connected with the pressing plate (3) in an extrusion manner.
2. The bone grafting bone block shearing device for the orthopaedics is characterized in that the pressing ring (9) is fixedly welded on the second pressing rod (2), one end of the shearing tank (10) is provided with an edge, and the edge is connected with the pressing ring (9) in a squeezing mode.
3. The bone grafting bone block shearing device for the orthopaedics department according to the claim 1 is characterized in that a first connecting seat (5) is fixedly arranged on the first pressure lever (1), a first rotating shaft (6) is rotatably arranged on the first connecting seat (5), a connecting rod (4) is arranged on one side of the first pressure lever (1), the connecting rod (4) is rotatably assembled on the first connecting seat (5) through the first rotating shaft (6), and the pressure plate (3) is fixedly assembled on the connecting rod (4).
4. The bone grafting bone block shearing device for the orthopaedics department according to the claim 1 is characterized in that the second connecting seat (7) is fixedly assembled on the first pressure rod (1), the second connecting seat (7) is rotatably provided with a second rotating shaft (8), the pressing ring (9) is provided with a third connecting seat (11), and the third connecting seat (11) is rotatably connected with the second connecting seat (7) through the second rotating shaft (8).
5. The bone grafting bone cutting device for orthopaedics department according to the claim 1 is characterized in that the bottom of the cutting pot (10) is provided with a knife net, the inside of the groove (12) is rotatably provided with a third rotating shaft (13), and the first extrusion plate (14), the second extrusion plate (15) and the connecting plate (18) are fixedly assembled on the third rotating shaft (13).
6. The bone grafting bone block shearing device for orthopaedics is characterized in that one end of the connecting block (17) is fixedly assembled on the connecting plate (18), the connecting block (17) is made of rubber, and the inserted rod (16) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511427.8U CN217244839U (en) | 2022-03-09 | 2022-03-09 | Bone grafting bone block shearing device for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511427.8U CN217244839U (en) | 2022-03-09 | 2022-03-09 | Bone grafting bone block shearing device for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217244839U true CN217244839U (en) | 2022-08-23 |
Family
ID=82859977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220511427.8U Expired - Fee Related CN217244839U (en) | 2022-03-09 | 2022-03-09 | Bone grafting bone block shearing device for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217244839U (en) |
-
2022
- 2022-03-09 CN CN202220511427.8U patent/CN217244839U/en not_active Expired - Fee Related
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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: 20220823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |