CN213249596U - Screw fixer for joint operation - Google Patents
Screw fixer for joint operation Download PDFInfo
- Publication number
- CN213249596U CN213249596U CN202021952546.4U CN202021952546U CN213249596U CN 213249596 U CN213249596 U CN 213249596U CN 202021952546 U CN202021952546 U CN 202021952546U CN 213249596 U CN213249596 U CN 213249596U
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- China
- Prior art keywords
- plate
- fixedly connected
- connecting plate
- extension rod
- screw
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000001356 surgical procedure Methods 0.000 claims description 7
- 240000005002 Erythronium dens canis Species 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
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Abstract
The utility model discloses a screw fixation ware for joint operation relates to the medical instrument field, including two mounts, one of them the one end fixedly connected with swing joint board of mount, another the one end fixedly connected with fixed connection board of mount, fixed connection board's one end fixedly connected with regulating plate, swing joint board's one end and regulating plate swing joint. The utility model is provided with the movable connecting plate and the fixed connecting plate between the two fixing frames, and the movable connecting plate and the fixed connecting plate are connected by the adjusting plate, so that the distance between the two fixing frames can be adjusted as required, and further the angle of a patient can be adjusted as required after the joint is fixed; through being provided with arc laminating board on two mounts, the skin that the cooperation of arc laminating board was gone up can be connected with patient's skin laminating, has played the effect of protection to patient's skin, avoids the mount to cause the injury to patient's skin.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to screw fixing device for joint operation.
Background
In modern orthopedics, screw fixation devices have become almost a necessary implant for every operation. In artificial joint replacement, the screw functions to fix the prosthesis and the bone, ensuring the initial stability of the prosthesis, in particular reducing the relative displacement between the bone and the prosthesis, so that the prosthesis has better bone ingrowth, facilitating the medium-long term stability of the prosthesis, and also requiring a screw fixator for fixation during the joint surgery. However, the existing screw fixator only fixes the fixing frame on the body of a patient through screws, the fixing frame easily damages the skin of the patient, and the general screw fixator is fixed, can only fix the joint of the patient at an angle and cannot be adjusted according to requirements, so that the use requirement and efficiency of the fixator are reduced. Therefore, it is necessary to provide a screw fixer for joint surgery to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screw fixation ware for joint operation to solve the problem that proposes among 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 screw fixation ware for joint operation, includes two mounts, one of them the one end fixedly connected with swing joint board of mount, another the one end fixedly connected with fixed connection board of mount, fixed connection board's one end fixedly connected with regulating plate, swing joint board's one end and regulating plate swing joint, the mount includes the fixed block, swing joint board and fixed connection board's the other end all with fixed block fixed connection, the lower fixed surface of fixed block is connected with the connecting block, the bottom fixedly connected with arc rigging board of connecting block, the inner arc side adhesive connection of arc rigging board has close skin layer, logical groove has been seted up at the middle part of fixed block, the bottom opening that leads to the groove extends to the inner diapire middle part of arc rigging board, it has the screw to lead to the ins.
Preferably, the slot has been seted up to the one end of regulating plate, swing joint plate's one end is inserted in the slot, the direction spout has been seted up to the interior roof of slot, fixed surface is connected with the extension rod on swing joint plate's the one end, extension rod and direction spout through connection.
Preferably, the cross section of extension rod sets up to polygonized structure, the top fixedly connected with threaded rod of extension rod, the threaded rod is located the top of regulating plate.
Preferably, the outer side of the threaded rod is sleeved with a limiting nut, and the outer side of the extension rod is sleeved with a pressing plate.
Preferably, the middle part of the pressure plate is provided with a polygonal groove, the polygonal groove is in through connection with the extension rod, the middle part of the lower surface of the pressure plate is connected with the upper surface of the movable connecting plate through a return spring, and the return spring is sleeved on the outer side of the extension rod.
Preferably, the two ends of the lower surface of the pressing plate are fixedly connected with convex teeth, the two sides of the upper surface of the adjusting plate are fixedly connected with matching teeth, and the matching teeth are matched with the convex teeth.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the movable connecting plate and the fixed connecting plate between the two fixing frames, and the movable connecting plate and the fixed connecting plate are connected by the adjusting plate, so that the distance between the two fixing frames can be adjusted as required, and further the angle of a patient can be adjusted as required after the joint is fixed;
2. the utility model discloses a be provided with arc attaching plate on two mounts, the skin that the arc attaching plate cooperation is above that pastes can be connected with patient's skin laminating, has played the effect of protection to patient's skin, avoids the mount to cause the injury to patient's skin.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the fixing frame of the present invention.
Fig. 3 is a schematic view of the adjusting plate structure of the present invention.
Fig. 4 is a schematic top view of the adjusting plate structure of the present invention.
In the figure: 1. a fixed mount; 2. a movable connecting plate; 3. fixing the connecting plate; 4. an adjusting plate; 5. a fixed block; 6. connecting blocks; 7. an arc-shaped attaching plate; 8. a skin-friendly layer; 9. a through groove; 10. a screw; 11. a slot; 12. a guide chute; 13. an extension rod; 14. a threaded rod; 15. a limit nut; 16. pressing a plate; 17. a return spring; 18. a convex tooth; 19. the teeth are engaged.
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.
The utility model provides a screw fixation ware for joint operation as shown in fig. 1-4, as shown in fig. 1, including two mounts 1, the one end fixedly connected with swing joint board 2 of one of them mount 1, the one end fixedly connected with fixed connection board 3 of another mount 1, the one end fixedly connected with regulating plate 4 of fixed connection board 3, the one end and the regulating plate 4 swing joint of swing joint board 2.
As shown in fig. 2, the mount 1 includes fixed block 5, the other end of swing joint board 2 and fixed connection board 3 all with fixed block 5 fixed connection, the lower fixed surface of fixed block 5 is connected with connecting block 6, the bottom fixedly connected with arc attaching plate 7 of connecting block 6, the inner arc side adhesive connection of arc attaching plate 7 has close skin layer 8, close skin layer 8 is made by the close skin material of TPE, and the radian of arc attaching plate 7 and close skin layer 8 is great, can not contact with patient's opening part skin, arc attaching plate 7 cooperates close skin layer 8 to have played the effect of protection to patient's skin, logical groove 9 has been seted up at the middle part of fixed block 5, the bottom opening that leads to groove 9 extends to the inner bottom wall middle part of arc attaching plate 7, it has screw 10 to run through in logical groove 9, screw 10 can be fixed on patient's bone, it is spacing with patient's joint.
As shown in fig. 3 and 4, a slot 11 is formed at one end of an adjusting plate 4, one end of a movable connecting plate 2 is inserted into the slot 11, a guide chute 12 is formed in an inner top wall of the slot 11, an extension rod 13 is fixedly connected to the upper surface of one end of the movable connecting plate 2, the extension rod 13 is in through connection with the guide chute 12, the cross section of the extension rod 13 is of a polygonal structure, a threaded rod 14 is fixedly connected to the top end of the extension rod 13, the threaded rod 14 is located above the adjusting plate 4, a limit nut 15 is sleeved on the outer side of the threaded rod 14, a pressing plate 16 is sleeved on the outer side of the extension rod 13, the limit nut 15 can drive the pressing plate 16 to move downwards, a polygonal groove is formed in the middle of the pressing plate 16, the polygonal groove is in through connection with the extension rod 13, through this arrangement, the pressing plate 16 can keep moving, reset spring 17 cup joints in the outside of extension rod 13, and reset spring 17's setting is killed and is fallen clamp plate 16 and can the rebound at the atress not, and the equal fixedly connected with dogtooth 18 in lower surface both ends of clamp plate 16, the equal fixedly connected with cooperation tooth 19 in upper surface both sides of regulating plate 4, cooperation tooth 19 and 18 looks adaptations of dogtooth can be spacing with extension rod 13, and then spacing swing joint board 2 and regulating plate 4.
The utility model discloses the theory of operation:
when the device is installed, firstly, the distance between the two fixing frames 1 is adjusted according to the requirement, then the arc attaching plate 7 on the fixing frame 1 is attached to the skin of a patient, the skin-friendly layer 8 on the arc attaching plate 7 is contacted with the skin of the patient, the screws 10 are then inserted through the through slots 9 and into the patient's bone, fixing the patient's joint, when the joint angle of the patient needs to be adjusted, the limiting nut 15 is screwed at the moment to drive the limiting nut 15 to move upwards, the pressure plate 16 moves upwards under the action of the return spring 17 until the convex teeth 18 on the pressure plate 16 are separated from the matching teeth 19, at the moment, the distance between the two fixing frames 1 can be adjusted, and after the adjustment is finished, and reversely screwing the limit nut 15, wherein the limit nut 15 drives the pressure plate 16 to move downwards until the convex teeth 18 on the pressure plate 16 are meshed with the matching teeth 19 to limit the extension rod 13, and further limit the movable connecting plate 2 and the adjusting plate 4.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a screw fixation ware for joint operation, includes two mounts (1), its characterized in that: one end of one of the fixing frames (1) is fixedly connected with a movable connecting plate (2), the other end of the fixing frame (1) is fixedly connected with a fixed connecting plate (3), one end of the fixed connecting plate (3) is fixedly connected with a regulating plate (4), one end of the movable connecting plate (2) is movably connected with the regulating plate (4), the fixing frame (1) comprises a fixed block (5), the other ends of the movable connecting plate (2) and the fixed connecting plate (3) are fixedly connected with the fixed block (5), the lower surface of the fixed block (5) is fixedly connected with a connecting block (6), the bottom of the connecting block (6) is fixedly connected with an arc-shaped attaching plate (7), the inner arc side of the arc-shaped attaching plate (7) is fixedly connected with a skin-friendly layer (8), the middle part of the fixed block (5) is provided with a through groove (9), and the bottom opening of the through groove (9) extends to, the through groove (9) is internally connected with a screw (10) in a penetrating way.
2. A screw anchor for joint surgery according to claim 1, wherein: slot (11) have been seted up to the one end of regulating plate (4), the one end of swing joint board (2) is inserted in slot (11), direction spout (12) have been seted up to the interior roof of slot (11), fixed surface is connected with extension rod (13) on the one end of swing joint board (2), extension rod (13) and direction spout (12) through connection.
3. A screw anchor for joint surgery according to claim 2, wherein: the cross section of extension rod (13) sets up to polygonized structure, the top fixedly connected with threaded rod (14) of extension rod (13), threaded rod (14) are located the top of regulating plate (4).
4. A screw anchor for joint surgery according to claim 3, wherein: the outside of threaded rod (14) has cup jointed stop nut (15), clamp plate (16) has been cup jointed in the outside of extension rod (13).
5. A screw fixator for use in joint surgery according to claim 4, wherein: the middle part of the pressure plate (16) is provided with a polygonal groove which is in through connection with the extension rod (13), the middle part of the lower surface of the pressure plate (16) is connected with the upper surface of the movable connecting plate (2) through a return spring (17), and the return spring (17) is sleeved on the outer side of the extension rod (13).
6. A screw fixator for use in joint surgery according to claim 5, wherein: the lower surface both ends of clamp plate (16) are equal fixedly connected with dogtooth (18), the equal fixedly connected with cooperation tooth (19) in upper surface both sides of regulating plate (4), cooperation tooth (19) and dogtooth (18) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952546.4U CN213249596U (en) | 2020-09-09 | 2020-09-09 | Screw fixer for joint operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952546.4U CN213249596U (en) | 2020-09-09 | 2020-09-09 | Screw fixer for joint operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213249596U true CN213249596U (en) | 2021-05-25 |
Family
ID=75939432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021952546.4U Active CN213249596U (en) | 2020-09-09 | 2020-09-09 | Screw fixer for joint operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213249596U (en) |
-
2020
- 2020-09-09 CN CN202021952546.4U patent/CN213249596U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A screw fixator for joint surgery Effective date of registration: 20211224 Granted publication date: 20210525 Pledgee: Bohai Bank Co.,Ltd. Haikou Branch Pledgor: Hainan Susheng Biotechnology Co.,Ltd. Registration number: Y2021980016373 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231009 Granted publication date: 20210525 Pledgee: Bohai Bank Co.,Ltd. Haikou Branch Pledgor: Hainan Susheng Biotechnology Co.,Ltd. Registration number: Y2021980016373 |