CN215129967U - Orthopedic surgery pulls nail remove device - Google Patents
Orthopedic surgery pulls nail remove device Download PDFInfo
- Publication number
- CN215129967U CN215129967U CN202120457235.9U CN202120457235U CN215129967U CN 215129967 U CN215129967 U CN 215129967U CN 202120457235 U CN202120457235 U CN 202120457235U CN 215129967 U CN215129967 U CN 215129967U
- Authority
- CN
- China
- Prior art keywords
- sliding
- box body
- sliding sleeve
- rod
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 15
- 238000001356 surgical procedure Methods 0.000 title claims description 13
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 210000000988 bone and bone Anatomy 0.000 description 12
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to the technical field of orthopedic medical instruments, and discloses an orthopedic traction nail extraction device, which comprises a box body, wherein the bottom of the box body is rotatably provided with a sliding sleeve, the inside of the sliding sleeve is provided with a sliding rod through a sliding chute in a sliding way, the left end and the right end of the sliding rod are both fixedly provided with a sliding block, the top thread of the box body is provided with a threaded rod, the orthopedic traction nail extraction device drives a cross knife to be attached to a cross groove on a traction nail through a rotating driving handle matching with the sliding sleeve, the sliding rod and the threaded rod, then the two threaded sleeves are rotated to match with a lead screw, two arc-shaped clamping blocks and an air cushion to form a fixed state between the extraction device and a leg of a patient, then a reverse rotation driving handle drives the cross knife to reverse through the threaded rod, the cross knife drives the traction nail to move downwards in the reverse rotation process and drives the sliding rod to shrink towards the inside of the sliding sleeve through the threaded rod matching with the sliding block and the sliding chute, the secondary damage of the traction nail to the patient caused by the error of the doctor is avoided.
Description
Technical Field
The utility model relates to the technical field of medical instruments for orthopedics, in particular to a traction nail extraction device for orthopedic surgery.
Background
The traction nail is a non-active surgical metal implant for bone joint, is provided with a full-thread bone nail and a half-thread cortical bone nail, and is also provided with a full-thread cancellous bone nail and a half-thread cancellous bone nail, and when the traction nail in the body of a patient needs to be taken out, the traction nail in the body of the patient needs to be taken out through a special traction nail taking-out device.
Current bone surgery pulls nail remove device is when using, is difficult to fix the outside at patient's shank or arm with remove device, and then can't guarantee to pull the stability of nail at the in-process of taking out, and the fault-tolerant rate is lower when using remove device, is difficult to avoid pulling the nail and causes the secondary damage to the patient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model is not enough to prior art, the utility model provides a bone surgery pulls nail remove device, possess can be very simple fix the remove device in the outside of patient's shank or arm, guaranteed to pull the stability of nail at the in-process of taking out, the fault-tolerant rate of doctor when using remove device has been improved, avoided pulling the nail to cause advantages such as secondary injury to the patient, solved the outside that remove device is difficult to fix at patient's shank or arm, and then can't guarantee to pull the stability of nail at the in-process of taking out, remove device is difficult to avoid pulling the nail and causes the problem of secondary injury to the patient.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: a bone surgery traction nail taking-out device, which comprises a box body, wherein the bottom of the box body is rotatably provided with a sliding sleeve, a slide bar is slidably arranged in the sliding sleeve through a sliding groove, slide blocks are fixedly arranged at the left end and the right end of the slide bar, a threaded rod is installed on the top of the box body in a threaded manner, a cross-shaped knife is fixedly installed at the top end of the threaded rod, fixing plates are fixedly arranged on both sides of the top of the box body, threaded sleeves are rotatably arranged on the sides, away from each other, of the two fixing plates, screw rods are threadedly arranged in the two threaded sleeves, arc-shaped clamping blocks are fixedly arranged at the opposite ends of the two screw rods, air cushions are fixedly arranged at the opposite ends of the two arc-shaped clamping blocks, the outer surface fixed mounting of sliding sleeve has the spacing collar, the front fixed mounting of box has the area of carrying, the bottom fixed mounting of sliding sleeve has the drive handle.
Preferably, the top end of the sliding sleeve penetrates through the box body and extends to the inside of the box body, and the top end of the sliding rod penetrates through the sliding sleeve and extends to the outside of the sliding sleeve.
Preferably, the outer surface of the sliding block is in sliding connection with the inner surface of the sliding groove, and the bottom end of the threaded rod penetrates through the box body and extends into the box body.
Preferably, the bottom end of the threaded rod is fixedly connected with the top end of the sliding rod, and one ends, far away from each other, of the two screw rods penetrate through the threaded sleeve and extend to the outside of the threaded sleeve.
Preferably, one end of each of the two screw rods opposite to each other sequentially penetrates through the threaded sleeve and the fixing plate and extends to the outside of the fixing plate.
Preferably, the number of the limiting rings is two, and one side, opposite to the two limiting rings, of each limiting ring is rotatably connected with the bottom of the box body.
(III) advantageous effects
Compared with the prior art, the utility model provides an orthopedic surgery pulls nail remove device possesses following beneficial effect: this nail remove device accessible is pull in bone surgery rotates drive handle cooperation sliding sleeve, slide bar and threaded rod drive the cross sword and pull the cross recess laminating on the nail, then rotate two thread bush cooperation lead screws, two arc-shaped fixture blocks and air cushion form the fixed state between with remove device and patient's shank, the reverse rotation drive handle passes through the threaded rod and drives the reversal of cross sword after that, the cross sword drives at the reversal in-process and pulls nail downstream and drive the slide bar through threaded rod cooperation slider and spout and to the inside shrink of sliding sleeve, it can to pull the nail to break away from the patient's health completely to reverse drive handle at last.
1. This bone surgery pulls nail remove device, through rotating drive handle cooperation sliding sleeve, slide bar and threaded rod drive the cross sword and pull the cross recess laminating on the nail, then rotate two thread bush cooperation lead screws, two arc-shaped fixture blocks and air cushion will form the stationary state between remove device and the patient shank, the contra-rotation drive handle passes through the threaded rod and drives the reversal of cross sword, the cross sword drives to pull nail downstream and drives the slide bar through threaded rod cooperation slider and spout and to the inside shrink of sliding sleeve at the reversal in-process, reached and patient shank or the arm between carry out the mesh of fixing, the stability of pulling the nail in-process of taking out has been guaranteed, the fault-tolerant rate of doctor when using remove device has been improved, avoided leading to the fact because of doctor's error and pull the secondary injury of nail to the patient.
2. This bone surgery pulls nail remove device drives two air cushions through rotating two thread bush cooperation lead screws and two camber fixture blocks and removes to the centre, has realized carrying out the effect fixed to different weight patients 'shank or arm, has increased the application range of remove device between the patient, has improved remove device's flexibility.
Drawings
Fig. 1 is a front view of the external structure of the present invention.
Fig. 2 is a front view of the internal structure of the box body of the present invention.
Fig. 3 is a front view of the inner structure of the sliding sleeve of the present invention.
In the figure: 1. a box body; 2. a sliding sleeve; 3. a chute; 4. a slide bar; 5. a slider; 6. a threaded rod; 7. a cross knife; 8. a fixing plate; 9. a threaded sleeve; 10. a screw rod; 11. an arc-shaped fixture block; 12. an air cushion; 13. a limiting ring; 14. carrying a belt; 15. the handle is driven.
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. 1-3, a traction nail extraction device for orthopedic surgery comprises a box body 1, a sliding sleeve 2 is rotatably mounted at the bottom of the box body 1, a sliding rod 4 is slidably mounted inside the sliding sleeve 2 through a sliding groove 3, sliding blocks 5 are fixedly mounted at the left end and the right end of the sliding rod 4, a threaded rod 6 is mounted at the top of the box body 1 through threads, a cross knife 7 is fixedly mounted at the top end of the threaded rod 6, the outer surface of the cross knife 7 is matched with the inner surface of a cross groove at the top of a traction nail, fixing plates 8 are fixedly mounted at both sides of the top of the box body 1, the fixing plates 8 are used for providing external support for the threaded sleeves 9, threaded sleeves 9 are rotatably mounted at the sides, away from each other, screw rods 10 are threadedly mounted inside the two threaded sleeves 9, arc-shaped clamping blocks 11 are fixedly mounted at the opposite ends of the two screw rods 10, air cushions 12 are fixedly mounted at the opposite ends of the two arc-shaped clamping blocks 11, the outer surface of the sliding sleeve 2 is fixedly provided with a limiting ring 13, the limiting ring 13 is used for preventing the sliding sleeve (2) from moving up and down, the front surface of the box body 1 is fixedly provided with a lifting belt 14, the lifting belt 14 is used for facilitating a user to carry a taking-out device, the bottom end of the sliding sleeve 2 is fixedly provided with a driving handle 15, the top end of the sliding sleeve 2 penetrates through the box body 1 and extends to the inside of the box body 1, the top end of the sliding rod 4 penetrates through the sliding sleeve 2 and extends to the outside of the sliding sleeve 2, the outer surface of the sliding block 5 is connected with the inner surface of the sliding groove 3 in a sliding manner, the bottom end of the threaded rod 6 penetrates through the box body 1 and extends to the inside of the box body 1, the bottom end of the threaded rod 6 is fixedly connected with the top end of the sliding rod 4, the mutually far ends of the two screw rods 10 penetrate through the threaded sleeve 9 and extend to the outside of the threaded sleeve 9, and the opposite ends of the two screw rods 10 sequentially penetrate through the threaded sleeve 9 and the fixed plate 8 and extend to the outside of the fixed plate 8, the quantity of spacing collar 13 is two, and two relative one sides of spacing collar 13 all are connected with the bottom of box 1 is rotated.
The working principle is as follows: firstly, a user correspondingly puts a taking-out device at the position of a traction nail on a leg of a patient, then rotates a driving handle 15 to drive a sliding sleeve 2 to rotate, the sliding sleeve 2 is matched with the top of a box body 1 through a sliding rod 4 in the rotating process to drive a threaded rod 6 and a cross knife 7 to rotate and move upwards at the same time, when the cross knife 7 is matched with a cross groove on the traction nail, two thread sleeves 9 are rotated to be matched with a screw rod 10 to drive two arc-shaped clamping blocks 11 to move towards the middle, the two arc-shaped clamping blocks 11 are matched with an air cushion 12 in the moving process towards the middle to form a fixed state between the taking-out device and the leg of the patient, then reversely rotates the driving handle 15 to be matched with the sliding sleeve 2 and the sliding rod 4 to drive the threaded rod 6 and the cross knife 7 to reversely rotate, the cross knife 7 drives the traction nail to move downwards through the cross groove in the reversing process, the traction nail is matched with a sliding block 5 and a sliding groove 3 to drive the sliding rod 4 to retract towards the inside of the sliding sleeve 2 through the threaded rod 6 in the downward moving process, finally, the driving handle 15 is reversely rotated until the traction nail is completely separated from the body of the patient.
To sum up, this bone surgery pulls nail remove device accessible rotates drive handle 15 cooperation sliding sleeve 2, slide bar 4 and threaded rod 6 drive cross sword 7 and pulls the cross recess laminating on the nail, then rotate two thread bush 9 cooperation lead screws 10, two camber fixture blocks 11 and air cushion 12 form the fixed state between with remove device and patient's shank, reverse rotation drive handle 15 drives cross sword 7 reversal through threaded rod 6 after that, cross sword 7 drives in the reversal process and pulls nail downstream and drive slide bar 4 through threaded rod 6 cooperation slider 5 and spout 3 and to the inside shrink of sliding sleeve 2, it can to pull the nail to break away from the patient's health completely to reverse drive handle 15 at last.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 utility model provides an orthopedic surgery pulls nail remove device, includes box (1), its characterized in that: the bottom of the box body (1) is rotatably provided with a sliding sleeve (2), the inside of the sliding sleeve (2) is slidably provided with a sliding rod (4) through a sliding groove (3), the left end and the right end of the sliding rod (4) are fixedly provided with a sliding block (5), the top of the box body (1) is provided with a threaded rod (6) in a threaded manner, the top of the threaded rod (6) is fixedly provided with a cross cutter (7), the two sides of the top of the box body (1) are fixedly provided with fixed plates (8), one sides of the two fixed plates (8) which are far away from each other are rotatably provided with threaded sleeves (9), the two inner parts of the threaded sleeves (9) are provided with screw rods (10) in a threaded manner, the two ends of the screw rods (10) which are opposite are fixedly provided with arc-shaped clamping blocks (11), the two ends of the arc-shaped clamping blocks (11) which are opposite are fixedly provided with air cushions (12), and the outer surface of the sliding sleeve (2) is fixedly provided with a limiting ring (13), the front surface of the box body (1) is fixedly provided with a lifting belt (14), and the bottom end of the sliding sleeve (2) is fixedly provided with a driving handle (15).
2. An orthopedic traction nail extraction device as in claim 1, wherein: the top end of the sliding sleeve (2) penetrates through the box body (1) and extends to the inside of the box body (1), and the top end of the sliding rod (4) penetrates through the sliding sleeve (2) and extends to the outside of the sliding sleeve (2).
3. An orthopedic traction nail extraction device as in claim 1, wherein: the outer surface of the sliding block (5) is in sliding connection with the inner surface of the sliding groove (3), and the bottom end of the threaded rod (6) penetrates through the box body (1) and extends into the box body (1).
4. An orthopedic traction nail extraction device as in claim 1, wherein: the bottom of threaded rod (6) and the top fixed connection of slide bar (4), two the one end that lead screw (10) kept away from each other all runs through thread bush (9) and extends to the outside of thread bush (9).
5. An orthopedic traction nail extraction device as in claim 1, wherein: and one ends of the two screw rods (10) opposite to each other sequentially penetrate through the threaded sleeve (9) and the fixing plate (8) and extend to the outside of the fixing plate (8).
6. An orthopedic traction nail extraction device as in claim 1, wherein: the number of the limiting rings (13) is two, and one side, opposite to the limiting rings (13), of each limiting ring is rotatably connected with the bottom of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120457235.9U CN215129967U (en) | 2021-03-03 | 2021-03-03 | Orthopedic surgery pulls nail remove device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120457235.9U CN215129967U (en) | 2021-03-03 | 2021-03-03 | Orthopedic surgery pulls nail remove device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129967U true CN215129967U (en) | 2021-12-14 |
Family
ID=79413295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120457235.9U Expired - Fee Related CN215129967U (en) | 2021-03-03 | 2021-03-03 | Orthopedic surgery pulls nail remove device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129967U (en) |
-
2021
- 2021-03-03 CN CN202120457235.9U patent/CN215129967U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |