CN204971557U - Medical screwdriver of specific angle - Google Patents
Medical screwdriver of specific angle Download PDFInfo
- Publication number
- CN204971557U CN204971557U CN201520757517.5U CN201520757517U CN204971557U CN 204971557 U CN204971557 U CN 204971557U CN 201520757517 U CN201520757517 U CN 201520757517U CN 204971557 U CN204971557 U CN 204971557U
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- China
- Prior art keywords
- endoporus
- sleeve
- joint piece
- joint block
- hole
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Abstract
The utility model discloses a medical screwdriver of specific angle, including the sleeve subassembly, lock nut and core shaft assembly, the sleeve subassembly includes preceding sleeve and well sleeve, be equipped with first hole and second hole in the preceding sleeve, core shaft assembly's head is equipped with the gimbal suspension, the gimbal suspension includes screwdrivers blade, the joint piece, short cylindric lock and oval pin, screwdrivers blade installs in first hole, the head at core shaft assembly is installed to the joint piece, and the joint piece is located between first hole and the second hole, top and below at the joint piece are installed respectively to two short cylindric locks, be equipped with saddle type packing ring between short cylindric lock and the joint piece, the intermediate position at the joint piece is installed to oval pin. The utility model has the advantages of being simple in structure and convenient in operation, can twist the screw with certain angle, the operation field of vision is bigger, and the operation technique space is freer, has shortened operation time, improves work efficiency, has improved the security of operation, has guaranteed surgery effect.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of medical screw driver of special angle.
Background technology
Medical screw driver is all generally straight-bar, but in some cases, due to the reason such as the visual field, operative space be restricted, need stubborn screw at a certain angle, and common medical screw driver can not meet this requirement.
Utility model content
The purpose of this utility model is to provide a kind of medical screw driver that can shorten operating time, improve the special angle of procedure efficiency, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of medical screw driver of special angle, comprise sleeve assembly, locking nut and mandrel component, described mandrel component is sleeved on the inside of sleeve assembly and is locked by locking nut, described sleeve assembly comprises front sleeve and middle sleeve, the first endoporus and the second endoporus is provided with in described front sleeve, described first endoporus is positioned at the top on the left of the second endoporus, the head of described mandrel component is provided with gimbal suspension, described gimbal suspension comprises driver bit, joint block, short cylindrical pin and oval pin, described driver bit is arranged in the first endoporus, described joint block is arranged on the head of mandrel component, and joint block is between the first endoporus and the second endoporus, described short cylindrical pin is provided with two, two described short cylindrical pins are arranged on above and below joint block respectively, saddle shaped washer is provided with between described short cylindrical pin and joint block, described oval pin is arranged on the centre position of joint block.
As further program of the utility model: the angle between described first endoporus and the second endoporus is 90-270 °.
As this utility model further scheme: the shape of described driver bit head is blossom type, hexangle type, cross or yi word pattern.
Compared with prior art, the beneficial effects of the utility model are:
This utility model structure is simple, easy to operate, can twist screw with certain angle, and surgical field of view is larger, and operation technique space is freer, shortens operating time, increases work efficiency, and improves the safety of operation, ensure that surgical effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model middle sleeve assembly.
Fig. 3 is the structural representation of front sleeve in this utility model.
Fig. 4 is the structural representation of the gimbal suspension of this utility model central axis component head.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-4, a kind of medical screw driver of special angle, comprise sleeve assembly 1, locking nut 2 and mandrel component 3, described mandrel component 3 is sleeved on the inside of sleeve assembly 1 and is locked by locking nut 2, described sleeve assembly 1 comprises front sleeve 11 and middle sleeve 12, the first endoporus 111 and the second endoporus 112 is provided with in described front sleeve 11, described first endoporus 111 is positioned at the top on the left of the second endoporus 112, angle between described first endoporus 111 and the second endoporus 112 is 90-270 °, limit the degree of freedom of gimbal suspension, screw can be twisted at certain angle, the head of described mandrel component 3 is provided with gimbal suspension, gimbal suspension can freely rotate, described gimbal suspension comprises driver bit 31, joint block 32, short cylindrical pin 33 and oval pin 36, described driver bit 31 is arranged in the first endoporus 111, the shape of driver bit 31 head is blossom type, hexangle type, cross or yi word pattern, described joint block 32 is arranged on the head of mandrel component 3, and joint block 32 is between the first endoporus 111 and the second endoporus 112, described short cylindrical pin 33 is provided with two, two described short cylindrical pins 33 are arranged on above and below joint block 32 respectively, saddle shaped washer 34 is provided with between described short cylindrical pin 33 and joint block 32, described in the gap that saddle shaped washer 34 can compensate gimbal suspension junction, oval pin 36 is arranged on the centre position of joint block 32.
When sleeve assembly 1 is tightened with locking nut 2, the first endoporus 111 of front sleeve 11 and the second endoporus 112 limit the degree of freedom of gimbal suspension, make doctor by turning handle assembly, tighten screw.
This utility model structure is simple, easy to operate, can twist screw with certain angle, and surgical field of view is larger, and operation technique space is freer, shortens operating time, increases work efficiency, and improves the safety of operation, ensure that surgical effect.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (3)
1. the medical screw driver of a special angle, comprise sleeve assembly (1), locking nut (2) and mandrel component (3), it is characterized in that, described mandrel component (3) is sleeved on the inside of sleeve assembly (1) and is locked by locking nut (2), described sleeve assembly (1) comprises front sleeve (11) and middle sleeve (12), the first endoporus (111) and the second endoporus (112) is provided with in described front sleeve (11), described first endoporus (111) is positioned at the top in the second endoporus (112) left side, the head of described mandrel component (3) is provided with gimbal suspension, described gimbal suspension comprises driver bit (31), joint block (32), short cylindrical pin (33) and oval pin (36), described driver bit (31) is arranged in the first endoporus (111), described joint block (32) is arranged on the head of mandrel component (3), and joint block (32) is positioned between the first endoporus (111) and the second endoporus (112), described short cylindrical pin (33) is provided with two, two described short cylindrical pins (33) are arranged on above and below joint block (32) respectively, saddle shaped washer (34) is provided with between described short cylindrical pin (33) and joint block (32), described oval pin (36) is arranged on the centre position of joint block (32).
2. the medical screw driver of special angle according to claim 1, is characterized in that, the angle between described first endoporus (111) and the second endoporus (112) is 90-270 °.
3. the medical screw driver of special angle according to claim 1, is characterized in that, the shape of described driver bit (31) head is blossom type, hexangle type, cross or yi word pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757517.5U CN204971557U (en) | 2015-09-28 | 2015-09-28 | Medical screwdriver of specific angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757517.5U CN204971557U (en) | 2015-09-28 | 2015-09-28 | Medical screwdriver of specific angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204971557U true CN204971557U (en) | 2016-01-20 |
Family
ID=55105992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520757517.5U Active CN204971557U (en) | 2015-09-28 | 2015-09-28 | Medical screwdriver of specific angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204971557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009335A (en) * | 2018-07-20 | 2018-12-18 | 任建伟 | A kind of universal micro- scissors |
-
2015
- 2015-09-28 CN CN201520757517.5U patent/CN204971557U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009335A (en) * | 2018-07-20 | 2018-12-18 | 任建伟 | A kind of universal micro- scissors |
| CN109009335B (en) * | 2018-07-20 | 2024-04-26 | 任建伟 | Universal microscopic scissors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |