CN212281784U - Ankle joint prosthesis used in orthopedics department - Google Patents
Ankle joint prosthesis used in orthopedics department Download PDFInfo
- Publication number
- CN212281784U CN212281784U CN202020300280.9U CN202020300280U CN212281784U CN 212281784 U CN212281784 U CN 212281784U CN 202020300280 U CN202020300280 U CN 202020300280U CN 212281784 U CN212281784 U CN 212281784U
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- Prior art keywords
- block
- fixed
- clamping block
- plate
- sliding
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- Expired - Fee Related
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- 210000000544 articulatio talocruralis Anatomy 0.000 title claims abstract description 17
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 8
- 210000002683 foot Anatomy 0.000 claims description 2
- 210000003423 ankle Anatomy 0.000 claims 5
- 210000002303 tibia Anatomy 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model belongs to the technical field of medical instrument, especially, be an ankle joint prosthesis that orthopedics used, the motor comprises a connecting plate, the side of connecting plate is connected with the fixed block, the internal connection of fixed block has the movable block, the top of movable block is connected with the connecting block, the inside of connecting block is provided with the spout, the surface connection of spout has the slider, the top surface of slider is connected with the lead screw, the surface connection slide of lead screw, the top of connecting block is connected with fixed slide bar. Through putting into patient's shin bone to the connecting block, play the guide effect through the fixed plate simultaneously, simultaneously through the interior hexagonal hole that rotates slider bottom setting, make the slider better at the spout internal rotation, drive the lead screw and rotate, slide about the slide that makes on the lead screw slides on fixed slide bar, slide the backup pad and the shin bone inner wall laminating on the messenger's supporting shoe that can be better through the slide from top to bottom, make better fixing of device, it is more firm to make the fixing.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to ankle joint false body that orthopedics used.
Background
The ankle joint prosthesis is a surgical implant applied to ankle joint replacement surgery for replacing ankle joint parts of a human patient. When the ankle joint of a human body needs to be repaired or suffers from tumor or comminuted fracture and the like, the distal end of the tibia of the ankle joint is prone to severe bone defect, the severe bone defect not only deteriorates the bearing capacity of the force at the osteotomy position of the tibia, but also easily causes the problems of defective attachment points of muscles at the ankle joint, damaged joint capsules and the like, and at this time, a proper ankle joint prosthesis needs to be selected to replace the ankle joint of the patient.
However, the existing ankle joint prosthesis cannot be more effectively fixedly connected with the tibia, and is inconvenient to install, unstable in fixation and low in installation efficiency.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an ankle joint prosthesis used in orthopedics, which solves the problem of lower installation efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: an ankle joint prosthesis used in orthopedics department comprises a connecting plate, wherein a fixed block is connected to the side face of the connecting plate, a movable block is connected to the inside of the fixed block, a connecting block is connected to the top of the movable block, a sliding groove is formed in the connecting block, a sliding block is connected to the surface of the sliding groove, a lead screw is connected to the top face of the sliding block, a sliding plate is connected to the surface of the lead screw, a fixed sliding rod is connected to the top of the connecting block, a fixed plate is connected to one end of the fixed sliding rod, a first lower clamping block is connected to the top of the connecting block, a first connecting rod is connected to the surface of the first lower clamping block, a second lower clamping block is connected to one end of the first connecting rod, a supporting block is connected to the top of, the surface of the first upper clamping block is connected with a second connecting rod, and the bottom of the sliding plate is connected with a second upper clamping block.
Preferably, the first connecting rod is movably connected with the first lower clamping block through a connecting pin, the first connecting rod is movably connected with the second lower clamping block through a connecting pin, and the first lower clamping block and the second lower clamping block are fixedly connected with the connecting block and the supporting block.
Preferably, the second connecting rod is movably connected with the first upper clamping block through a connecting pin, the second connecting rod is movably connected with the second upper clamping block through a connecting pin, and the first upper clamping block and the second upper clamping block are fixedly connected with the supporting block and the sliding plate.
Preferably, the bottom of the connecting block is provided with a threaded hole, the top of the movable block is provided with a threaded rod, and the connecting block is connected with the movable block through threads.
Preferably, the first connecting rods and the second connecting rods are provided with eight groups, and the eight groups of the first connecting rods and the second connecting rods are matched with the eight supporting plates.
Preferably, the fixed block is movably connected with the movable block through a connecting pin, and the fixed block is fixedly connected with the foot plate through a connecting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
through putting into patient's shin bone to the connecting block, play the guide effect through the fixed plate simultaneously, hexagonal hole in through rotating the setting of slider bottom simultaneously, make the slider better at the spout internal rotation, it rotates to drive the lead screw, make the slide on the lead screw slide about going on fixed slide bar, slide backup pad and the laminating of shin bone inner wall on the messenger's supporting shoe that can be better through the slide from top to bottom, make better fixing of device, it is more firm to make, threaded connection is carried out with the screw hole of connecting block bottom to the threaded rod through the movable block top after fixed the completion, make the movable block better with connecting block fixed connection, it is more convenient to make the installation, efficiency is higher.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a complete structural schematic diagram of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is an internal structural view of the present invention;
fig. 4 is a sectional structure view of the present invention.
In the figure: 1, connecting a plate; 2, fixing blocks; 3, a movable block; 4, connecting blocks; 5, supporting the plate; 6, fixing a plate; 7, a sliding plate; 8, a first lower fixture block; 9 a first connecting rod; 10 a second lower fixture block; 11 a support block; 12 a first upper latch; 13 a second connecting rod; 14 fixing a sliding rod; 15 a second upper latch; 16 lead screws; 17 a slide block; 18 chute.
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. 1-4, the present invention provides the following technical solutions: an ankle joint prosthesis used in orthopedics department comprises a connecting plate 1, wherein a fixed block 2 is connected to the side surface of the connecting plate 1, a movable block 3 is connected inside the fixed block 2, a connecting block 4 is connected to the top of the movable block 3, a sliding groove 18 is arranged inside the connecting block 4, a sliding block 17 is connected to the surface of the sliding groove 18, a lead screw 16 is connected to the top surface of the sliding block 17, a sliding plate 7 is connected to the surface of the lead screw 16, a fixed sliding rod 14 is connected to the top of the connecting block 4, a fixed plate 6 is connected to one end of the fixed sliding rod 17, a first lower clamping block 8 is connected to the top of the connecting block 4, a first connecting rod 9 is connected to the surface of the first lower clamping block 8, a second lower clamping block 10 is connected to one end of the first connecting rod 9, a supporting block, the surface of the first upper clamping block 12 is connected with a second connecting rod 13, and the bottom of the sliding plate 7 is connected with a second upper clamping block 15.
In the embodiment, the connecting block 4 is put into the tibia of a patient, the fixing plate 6 plays a guiding role, the inner hexagonal hole arranged at the bottom of the sliding block 17 is rotated, the sliding block 17 can better rotate in the sliding groove 18 to drive the screw rod 16 to rotate, the sliding plate 17 on the screw rod 16 can slide up and down on the fixed sliding rod 14, the supporting plate 5 on the supporting block 11 can better attach to the inner wall of the tibia by sliding the sliding plate 7 up and down, the first connecting rod 9 is movably connected with the connecting block 4 and the supporting block 11 through the connecting pin, the second connecting rod 13 is movably connected with the supporting block 11 and the sliding plate 7, the sliding plate 7 expands when sliding down, the supporting plate 5 on the supporting block 11 can better attach to the inner wall of the tibia, the device can be better fixed, the supporting block is more firmly fixed, and the threaded rod at the top of the movable block 3 is in threaded connection with the threaded hole at the bottom of the connecting block 4, make the movable block 3 better and connecting block 4 fixed connection, make the installation more convenient, efficiency is higher.
Specifically, the first connecting rod 9 is movably connected with the first lower clamping block 8 through a connecting pin, the first connecting rod 9 is movably connected with the second lower clamping block 10 through a connecting pin, the first lower clamping block 8 and the second lower clamping block 10 are fixedly connected with the connecting block 4 and the supporting block 11, the first connecting rod 9 is movably connected with the first lower clamping block 8 on the connecting block 4 and the second lower clamping block 10 on the supporting block 11 through a connecting pin, and the supporting block 11 is better expanded and contracted.
Specifically, the second connecting rod 13 is movably connected with the first upper clamping block 12 through a connecting pin, the second connecting rod 13 is movably connected with the second upper clamping block 15 through a connecting pin, the first upper clamping block 12 and the second upper clamping block 15 are fixedly connected with the supporting block 11 and the sliding plate 7, the second connecting rod 13 is movably connected with the first upper clamping block 12 on the supporting block 11 and the second upper clamping block 15 on the sliding plate 7 through the connecting pin, and the supporting block 11 expands when the sliding plate 7 slides downwards.
Specifically, threaded hole is seted up to the bottom of connecting block 4, and 3 tops of movable block are provided with the threaded rod, and connecting block 4 and movable block 3 pass through threaded connection, and threaded connection is carried out with the screw hole of connecting block 4 bottom through the threaded rod at 3 tops of movable block, makes movable block 3 better and connecting block 4 fixed connection, and it is more convenient to make the installation, and efficiency is higher.
Specifically, the first connecting rod 9 and the second connecting rod 13 are provided with eight groups, the eight groups of the first connecting rod 10, the second connecting rod 14 and the eight supporting plates 5 are mutually matched, and the supporting blocks 11 are better expanded when the sliding plate 7 slides downwards through the mutual matching of the eight groups of the first connecting rod 9, the second connecting rod 13 and the eight supporting blocks 11, so that the supporting plates 5 on the supporting blocks 11 are better attached to the inner wall of the tibia.
Concretely, fixed block 2 passes through connecting pin and 3 swing joint of movable block, and fixed block 2 passes through connecting plate 1 and sole fixed connection, makes fixed block 2 and 3 swing joint of movable block through the connecting pin, and it is more convenient to make the activity.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when in use, the connecting block 4 is put into the shinbone of a patient, the fixing plate 6 plays a guiding role, the slider 17 can better rotate in the chute 18 by rotating the hexagon socket hole arranged at the bottom of the slider 17, the lead screw 16 is driven to rotate, the sliding plate 17 on the lead screw 16 slides up and down on the fixed sliding rod 14, the supporting plate 5 on the supporting block 11 can better fit with the inner wall of the shinbone by sliding the sliding plate 7 up and down, the first connecting rod 9 is movably connected with the connecting block 4 and the supporting block 11 by the connecting pin, the second connecting rod 13 is movably connected with the supporting block 11 and the sliding plate 7, the supporting block expands when the sliding plate 7 slides down, the supporting plate 5 on the supporting block 11 can better fit with the inner wall of the shinbone, the threaded rod at the top of the movable block 3 is in threaded connection with the threaded hole at the bottom of the connecting block 4 after the fixation, make movable block 3 better and connecting block 4 fixed connection, the input of the consumer in this equipment all with external power source electric connection.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an ankle joint prosthesis that orthopedics used, includes connecting plate (1), the side of connecting plate (1) is connected with fixed block (2), its characterized in that: the movable block (3) is connected to the inside of the fixed block (2), the connecting block (4) is connected to the top of the movable block (3), a sliding groove (18) is formed in the connecting block (4), a sliding block (17) is connected to the surface of the sliding groove (18), a lead screw (16) is connected to the top surface of the sliding block (17), a sliding plate (7) is connected to the surface of the lead screw (16), a fixed sliding rod (14) is connected to the top of the connecting block (4), a fixed plate (6) is connected to one end of the fixed sliding rod (14), a first lower clamping block (8) is connected to the top of the connecting block (4), a first connecting rod (9) is connected to the surface of the first lower clamping block (8), a second lower clamping block (10) is connected to one end of the first connecting rod (9), a supporting block (11) is connected to, the surface of the supporting block (11) is connected with a supporting plate (5), the top of the supporting block (11) is connected with a first upper clamping block (12), the surface of the first upper clamping block (12) is connected with a second connecting rod (13), and the bottom of the sliding plate (7) is connected with a second upper clamping block (15).
2. An orthopaedic ankle prosthesis according to claim 1, wherein: the first connecting rod (9) is movably connected with the first lower clamping block (8) through a connecting pin, the first connecting rod (9) is movably connected with the second lower clamping block (10) through a connecting pin, and the first lower clamping block (8) and the second lower clamping block (10) are fixedly connected with the connecting block (4) and the supporting block (11).
3. An orthopaedic ankle prosthesis according to claim 1, wherein: the second connecting rod (13) is movably connected with the first upper clamping block (12) through a connecting pin, the second connecting rod (13) is movably connected with the second upper clamping block (15) through a connecting pin, and the first upper clamping block (12) and the second upper clamping block (15) are fixedly connected with the supporting block (11) and the sliding plate (7).
4. An orthopaedic ankle prosthesis according to claim 1, wherein: threaded holes are formed in the bottom of the connecting block (4), a threaded rod is arranged at the top of the movable block (3), and the connecting block (4) is connected with the movable block (3) through threads.
5. An orthopaedic ankle prosthesis according to claim 1, wherein: the first connecting rods (9) and the second connecting rods (13) are provided with eight groups, and the eight groups of the first connecting rods (9) and the second connecting rods (13) are matched with the eight supporting plates (5) mutually.
6. An orthopaedic ankle prosthesis according to claim 1, wherein: the fixed block (2) is movably connected with the movable block (3) through a connecting pin, and the fixed block (2) is fixedly connected with the foot plate through a connecting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300280.9U CN212281784U (en) | 2020-03-12 | 2020-03-12 | Ankle joint prosthesis used in orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300280.9U CN212281784U (en) | 2020-03-12 | 2020-03-12 | Ankle joint prosthesis used in orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212281784U true CN212281784U (en) | 2021-01-05 |
Family
ID=73958951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300280.9U Expired - Fee Related CN212281784U (en) | 2020-03-12 | 2020-03-12 | Ankle joint prosthesis used in orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212281784U (en) |
-
2020
- 2020-03-12 CN CN202020300280.9U patent/CN212281784U/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: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |