CN215129948U - Orthopedic internal fixation screw taking-out device - Google Patents
Orthopedic internal fixation screw taking-out device Download PDFInfo
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- CN215129948U CN215129948U CN202121036817.6U CN202121036817U CN215129948U CN 215129948 U CN215129948 U CN 215129948U CN 202121036817 U CN202121036817 U CN 202121036817U CN 215129948 U CN215129948 U CN 215129948U
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- connecting rod
- rod
- rack
- gear
- internal fixation
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 206010011409 Cross infection Diseases 0.000 abstract description 2
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an orthopedics internal fixation screw remove device, which comprises a mounting bracket, the inside intermediate position department fixed mounting of mounting bracket has the connecting piece, the inside sliding connection of connecting piece has the movable block, the internally mounted of movable block has the threaded rod, the slider is installed in the outside of threaded rod, the equal fixed mounting in both sides of terminal surface has the connecting rod No. one under the slider, the bottom swing joint of connecting rod has the connecting rod No. two, the bottom swing joint of connecting rod No. two has the clamping bar, the locating piece that is located the inside of movable block is installed in the outside of two connecting rods, the intermediate position department fixed mounting of terminal surface has the locating piece No. two under the locating piece, one side fixed mounting of movable block has the rack No. one, the step motor who is located the connecting piece inside is installed to one side of rack No. one. The orthopedic internal fixation screw taking-out device is convenient for pulling out screws, time-saving and labor-saving, and can avoid cross infection caused by human body contact, thereby improving the safety of the device.
Description
Technical Field
The utility model relates to the technical field of medical treatment, specifically be an orthopedics internal fixation screw remove device.
Background
Orthopedics is one of the most common departments of various hospitals, mainly studies the anatomy, physiology and pathology of skeletal muscle systems, maintains and develops the normal form and function of the system by using medicines, operations and physical methods, and when a patient is fractured, a bone screw is often used, which is an internal fixing device for fixing the fracture part.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an orthopedics internal fixation screw remove device has solved current orthopedics internal fixation screw and has had the artifical manual taking out of needs in the use, very easily cross infection, and the security is lower, and the problem of not being convenient for use.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic internal fixation screw taking-out device comprises a mounting frame, wherein a connecting piece is fixedly installed at the middle position inside the mounting frame, a moving block is connected inside the connecting piece in a sliding manner, a threaded rod is installed inside the moving block, a sliding block is installed on the outer side of the threaded rod, a first connecting rod is fixedly installed on each of two sides of the lower end face of the sliding block, a second connecting rod is movably connected to the bottom end of the first connecting rod, a clamping rod is movably connected to the bottom end of the second connecting rod, a first positioning block located inside the moving block is installed on the outer sides of the two first connecting rods, a second positioning block is fixedly installed at the middle position of the lower end face of the first positioning block, a first rack is fixedly installed on one side of the moving block, a stepping motor located inside the connecting piece is installed on one side of the first rack, and a third connecting rod is movably connected to the front end face of the stepping motor, the bottom swing joint of No. three connecting rods has No. four connecting rods, the bottom swing joint of No. four connecting rods has the gear, the gear passes through the slide with the connecting piece and is connected, No. two racks that are located the connecting piece inner wall are installed to one side of gear.
Preferably, the mounting frame is connected with the connecting piece through a roller bearing, the connecting piece is connected with the moving block through a slideway, the threaded rod is connected with the moving block through a roller bearing, the threaded rod is connected with the first positioning block through a roller bearing, the first positioning block and the moving block are of an integrated structure, and the second positioning block and the clamping rod are of an integrated structure.
Preferably, a thread groove is formed in the sliding block, the sliding block and the thread rod form a sliding structure through threads, the sliding block is connected with a first connecting rod through a screw, and the first connecting rod is connected with a first positioning block through a cylindrical groove.
Preferably, the first connecting rod is connected with the second connecting rod through a short shaft, the second connecting rod is connected with the middle position of the clamping rod through the short shaft, the clamping rod is connected with the second positioning block through the short shaft, and an anti-skid gasket is fixedly mounted on the inner surface of the clamping rod.
Preferably, step motor and connecting piece structure as an organic whole, step motor passes through the coupling joint with No. three connecting rods, No. three connecting rods pass through the minor axis with No. four connecting rods and are connected, No. four connecting rods pass through the minor axis with the gear and are connected.
Preferably, the fourth connecting rod is connected with the gear through a short shaft, the gear is meshed with the first rack, and the first rack is connected with the outer surface of the moving block through a screw.
Preferably, the second rack is connected with the inner wall of the connecting piece through a screw, and the second rack is meshed with the gear.
(III) advantageous effects
The utility model provides an orthopedic internal fixation screw extraction device. The method has the following beneficial effects:
(1) this orthopedics internal fixation screw remove device can drive the removal of slider through the rotation of threaded rod, and then can drive the removal of a connecting rod, and the removal of a connecting rod can drive the rotation of No. two connecting rods, and then can drive the rotation of clamping bar, can play the fastening limiting displacement to the screw through the effect of clamping bar, the screw of being convenient for and the device's fixed connection, the installation and the dismantlement of the screw of being convenient for.
(2) This orthopedics internal fixation screw remove device can drive the rotation of No. three connecting rods through step motor's effect, and then can drive the rotation of No. four connecting rods, and the rotation of No. four connecting rods can drive the removal of gear, and the effect through No. two racks can make the gear rotatory at the removal in-process, through the cooperation of gear and a rack, can drive reciprocating of a rack, is convenient for extract the screw.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the mounting frame of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.
In the figure: 1. a mounting frame; 2. a connecting member; 3. a moving block; 4. a threaded rod; 5. a slider; 6. a first connecting rod; 7. a second connecting rod; 8. a first positioning block; 9. a second positioning block; 10. a clamping bar; 11. a first rack; 12. a stepping motor; 13. a third connecting rod; 14. a fourth connecting rod; 15. a gear; 16. a slideway; 17. and a second rack.
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.
As shown in fig. 1-4, the utility model provides a technical solution: an orthopedic internal fixation screw taking-out device comprises an installation frame 1, a connecting piece 2, a moving block 3, a threaded rod 4, a sliding block 5, a first connecting rod 6, a second connecting rod 7, a first positioning block 8, a second positioning block 9, a clamping rod 10, a first rack 11, a stepping motor 12, a third connecting rod 13, a fourth connecting rod 14, a gear 15, a slide way 16 and a second rack 17, wherein the connecting piece 2 is fixedly installed at the middle position inside the installation frame 1, the moving block 3 is connected inside the connecting piece 2 in a sliding manner, the threaded rod 4 is installed inside the moving block 3, the sliding block 5 is installed on the outer side of the threaded rod 4, the first connecting rod 6 is fixedly installed on both sides of the lower end face of the sliding block 5, the second connecting rod 7 is movably connected to the bottom end of the first connecting rod 6, the clamping rod 10 is movably connected to the bottom end of the second connecting rod 7, and the screw can be fastened and limited through the action of the clamping rod 10, the screw and the device are conveniently and fixedly connected, the screw is conveniently installed and disassembled, a first positioning block 8 positioned in the moving block 3 is installed on the outer sides of two first connecting rods 6, a second positioning block 9 is fixedly installed at the middle position of the lower end face of the first positioning block 8, a first rack 11 is fixedly installed on one side of the moving block 3, a stepping motor 12 positioned in the connecting piece 2 is installed on one side of the first rack 11, a third connecting rod 13 is movably connected to the front end face of the stepping motor 12, a fourth connecting rod 14 is movably connected to the bottom end of the third connecting rod 13, a gear 15 is movably connected to the bottom end of the fourth connecting rod 14, the gear 15 is connected with the connecting piece 2 through a slide way 16, a second rack 17 positioned on the inner wall of the connecting piece 2 is installed on one side of the gear 15, and the gear 15 can rotate in the moving process under the action of the second rack 17;
the mounting frame 1 is connected with the connecting piece 2 through a roller bearing, the connecting piece 2 is connected with the moving block 3 through a slideway, the threaded rod 4 is connected with the moving block 3 through the roller bearing, the threaded rod 4 is connected with the first positioning block 8 through the roller bearing, the first positioning block 8 and the moving block 3 are of an integrated structure, the second positioning block 9 and the clamping rod 10 are of an integrated structure, the threaded rod 4 can be supported through the action of the first positioning block 8, and the threaded rod 4 can rotate conveniently;
a threaded groove is formed in the slider 5, the slider 5 and the threaded rod 4 form a sliding structure through threads, the slider 5 is connected with the first connecting rod 6 through a screw, the first connecting rod 6 is connected with the first positioning block 8 through a cylindrical groove, and the slider 5 can be driven to move through the rotation of the threaded rod 4 so as to drive the first connecting rod 6 to move;
the first connecting rod 6 is connected with the second connecting rod 7 through a short shaft, the second connecting rod 7 is connected with the middle position of the clamping rod 10 through a short shaft, the clamping rod 10 is connected with the second positioning block 9 through a short shaft, an anti-skid gasket is fixedly arranged on the inner surface of the clamping rod 10, the second connecting rod 7 can be driven to rotate through the movement of the first connecting rod 6, the clamping rod 10 can be driven to rotate, and the screw can be limited through the action of the clamping rod 10;
the stepping motor 12 and the connecting piece 2 are of an integrated structure, the stepping motor 12 is connected with the third connecting rod 13 through a coupler, the third connecting rod 13 is connected with the fourth connecting rod 14 through a short shaft, the fourth connecting rod 14 is connected with the gear 15 through the short shaft, the third connecting rod 13 can be driven to rotate under the action of the stepping motor 12, and then the fourth connecting rod 14 can be driven to rotate;
the fourth connecting rod 14 is connected with the gear 15 through a short shaft, the gear 15 is meshed with the first rack 11, the first rack 11 is connected with the outer surface of the moving block 3 through a screw, and the gear 15 can be driven to move through the rotation of the fourth connecting rod 14;
the second rack 17 is connected with the inner wall of the connecting piece 2 through a screw, the second rack 17 is meshed with the gear 15, and the gear 15 rotates in the moving process through the matching of the gear 15 and the second rack 17, so that the first rack 11 can be driven to move.
When the device is used, a power supply is switched on, a switch is switched on, a user can turn on the stepping motor 12, the third connecting rod 13 can be driven to rotate under the action of the stepping motor 12, the fourth connecting rod 14 can be driven to rotate, the fourth connecting rod 14 can drive the gear 15 to move, the movement of the gear 15 can be limited under the action of the slide rail 16, the gear 15 is meshed with the second rack 17, the gear 15 rotates in the moving process, the rotation of the gear 15 can drive the first rack 11 to move, and the moving block 3 can be driven to move downwards;
at the moment, a user can grasp the top end of the threaded rod 4 and rotate the threaded rod 4, the rotation of the threaded rod 4 can drive the sliding block 5 to move and further drive the first connecting rod 6 to move, the movement of the first connecting rod 6 can drive the second connecting rod 7 to rotate, the rotation of the second connecting rod 7 can drive the clamping rod 10 to rotate, the screw can be limited by the action of the clamping rod 10, the user can rotate the connecting piece 2 to drive the screw to rotate, when the screw is screwed out, the user can open the stepping motor 12, the stepping motor 12 rotates to drive the third connecting rod 13 to continue rotating and further drive the fourth connecting rod 14 to rotate, the rotation of the fourth connecting rod 14 can drive the gear 15 to move, the gear 15 is meshed with the second rack 17, the gear 15 rotates in the moving process, the rotation of the gear 15 can drive the first rack 11 to move, and the moving block 3 can be driven to move upwards, and the screw can be pulled out at the moment, which is the using process of the orthopedic internal fixation screw extraction device, and the content which is not described in detail in the specification belongs to the prior art which is well known by the professional person in the field.
In conclusion, the orthopedic internal fixation screw extraction device can drive the slide block 5 to move through the rotation of the threaded rod 4 in the using process, thereby driving the first connecting rod 6 to move, the first connecting rod 6 to move can drive the second connecting rod 7 to rotate, thereby driving the clamping rod 10 to rotate, playing a role of fastening and limiting the screw through the action of the clamping rod 10, facilitating the fixed connection of the screw and the device, facilitating the installation and the disassembly of the screw, simultaneously driving the third connecting rod 13 to rotate through the action of the stepping motor 12, thereby driving the fourth connecting rod 14 to rotate, the fourth connecting rod 14 can drive the gear 15 to move, the gear 15 can rotate in the moving process under the action of the second rack 17, and the first rack 11 can be driven to move up and down through the matching of the gear 15 and the first rack 11, so that the screw can be conveniently pulled out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (7)
1. The utility model provides an orthopedics internal fixation screw remove device, includes mounting bracket (1), its characterized in that: a connecting piece (2) is fixedly installed at the middle position inside the mounting frame (1), a moving block (3) is connected inside the connecting piece (2) in a sliding manner, a threaded rod (4) is installed inside the moving block (3), a sliding block (5) is installed on the outer side of the threaded rod (4), a first connecting rod (6) is fixedly installed on each of two sides of the lower end face of the sliding block (5), a second connecting rod (7) is movably connected to the bottom end of the first connecting rod (6), a clamping rod (10) is movably connected to the bottom end of the second connecting rod (7), a first positioning block (8) located inside the moving block (3) is installed on the outer side of the two first connecting rods (6), a second positioning block (9) is fixedly installed at the middle position of the lower end face of the first positioning block (8), and a first rack (11) is fixedly installed on one side of the moving block (3), one side of a rack (11) is installed and is located inside step motor (12) of connecting piece (2), the preceding terminal surface swing joint of step motor (12) has No. three connecting rods (13), the bottom swing joint of No. three connecting rods (13) has No. four connecting rods (14), the bottom swing joint of No. four connecting rods (14) has gear (15), gear (15) are connected through slide (16) with connecting piece (2), No. two racks (17) that are located connecting piece (2) inner wall are installed to one side of gear (15).
2. The orthopedic internal fixation screw extraction device of claim 1, wherein: the mounting frame (1) is connected with the connecting piece (2) through a roller bearing, the connecting piece (2) is connected with the moving block (3) through a slide way, the threaded rod (4) is connected with the moving block (3) through the roller bearing, the threaded rod (4) is connected with the first positioning block (8) through the roller bearing, the first positioning block (8) and the moving block (3) are of an integrated structure, and the second positioning block (9) and the clamping rod (10) are of an integrated structure.
3. The orthopedic internal fixation screw extraction device of claim 1, wherein: the inside of slider (5) is seted up the thread groove, slider (5) pass through the screw with threaded rod (4) and constitute sliding structure, slider (5) pass through the screw connection with a connecting rod (6), a connecting rod (6) pass through the columnar order groove with a locating piece (8) and are connected.
4. The orthopedic internal fixation screw extraction device of claim 1, wherein: a connecting rod (6) is connected with No. two connecting rods (7) through the minor axis, No. two connecting rods (7) are connected through the minor axis with the intermediate position department of clamping bar (10), clamping bar (10) are connected through the minor axis with No. two locating pieces (9), the fixed surface of clamping bar (10) installs anti-skidding gasket.
5. The orthopedic internal fixation screw extraction device of claim 1, wherein: step motor (12) and connecting piece (2) be integral structure, step motor (12) pass through the coupling joint with No. three connecting rod (13), No. three connecting rod (13) pass through the minor axis with No. four connecting rod (14) and are connected, No. four connecting rod (14) pass through the minor axis with gear (15) and are connected.
6. The orthopedic internal fixation screw extraction device of claim 1, wherein: the fourth connecting rod (14) is connected with a gear (15) through a short shaft, the gear (15) is meshed with a first rack (11), and the first rack (11) is connected with the outer surface of the moving block (3) through a screw.
7. The orthopedic internal fixation screw extraction device of claim 1, wherein: the second rack (17) is connected with the inner wall of the connecting piece (2) through a screw, and the second rack (17) is meshed with the gear (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121036817.6U CN215129948U (en) | 2021-05-14 | 2021-05-14 | Orthopedic internal fixation screw taking-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121036817.6U CN215129948U (en) | 2021-05-14 | 2021-05-14 | Orthopedic internal fixation screw taking-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129948U true CN215129948U (en) | 2021-12-14 |
Family
ID=79370279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121036817.6U Expired - Fee Related CN215129948U (en) | 2021-05-14 | 2021-05-14 | Orthopedic internal fixation screw taking-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129948U (en) |
-
2021
- 2021-05-14 CN CN202121036817.6U patent/CN215129948U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |