CN205007028U - Nail ware is got in orthopedics special use - Google Patents
Nail ware is got in orthopedics special use Download PDFInfo
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- CN205007028U CN205007028U CN201520474623.2U CN201520474623U CN205007028U CN 205007028 U CN205007028 U CN 205007028U CN 201520474623 U CN201520474623 U CN 201520474623U CN 205007028 U CN205007028 U CN 205007028U
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- clamp arm
- screw
- motor
- gripper shoe
- pulling apparatus
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- 230000000399 orthopedic effect Effects 0.000 title abstract 2
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 241000425571 Trepanes Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a nail ware is got in orthopedics special use, including pulling apparatus, supporting rack, clamping device and turnscrew, the supporting rack includes backup pad, ear seat, sells axle no. 1, supporting leg, bottom support and sell axle no. 2, pulling apparatus and backup pad surface connections, there is out the screw hole at the backup pad center, pass the turnscrew and the lower extreme is connected with clamping device from the screw hole of backup pad, turnscrew upper end is connected with pulling apparatus, and the the device inside raised grain that is equipped with that keeps silent can increases friction power, avoids invalid slip, and the clamping part adopts mechanical automatic mode with the ti la part simultaneously, and effectual the avoiding of ability is failed because of the operation that the technological reason of operator led to the fact.
Description
Technical field
This utility model relates to technical field of medical instruments, is specially the special nail-fetching device of a kind of orthopaedics.
Background technology
During clinical medicine treatment fracture, often hold-down screw is placed in fracture site, impels folding reduction, and the hold-down screw that fracture reduction operation of taking is inserted, be also a surgical operation of wasting time and energy.Simultaneously because screw is positioned at skeleton, there are the soft tissues such as muscle around, exposed space is limited, conventional apparatus such as vice, needle-nose pliers can not effectively hold screw screw rod because nip part profile is comparatively large and hold is limited, and increase and take out difficulty, operating time extends, patient is caused to lose blood on the high side, many adverse effects such as soft tissue injury increases the weight of, even break and can not take out, cause operative failure.
Utility model content
The purpose of this utility model is to provide a kind of orthopaedics special nail-fetching device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme: the special nail-fetching device of a kind of orthopaedics, comprise pulling apparatus, bearing support, clamping device and turn-screw, described bearing support comprises gripper shoe, ear seat, bearing pin one, supporting leg, bottom support bracket and bearing pin two, described pulling apparatus is connected with support plate upper surface, there is out screwed hole at described gripper shoe center, described turn-screw from the screwed hole of gripper shoe through and lower end be connected with clamping device, described turn-screw upper end is connected with pulling apparatus.
Preferably, described three ear seat ring shapes are uniformly distributed and in gripper shoe welding, described supporting leg one end is connected with ear seat by bearing pin one, and the other end is connected with bottom support bracket by bearing pin two.
Preferably, described pulling apparatus comprises motor one, floor, twisting resistance detector and shaft coupling, described motor one both sides are welded with floor, to weld with gripper shoe bottom described twisting resistance detector and inside has twice groove, the floor of described motor one both sides and the twice ditch slot fit of twisting resistance detector inside, described turn-screw is connected with motor one axle by shaft coupling.
Preferably, described clamping device comprises left clamp arm, right clamp arm, motor two, leading screw, spherical nut, bearing pin three, spherical washer and straight pin, described left clamp arm and right clamp arm adopt rigid material, and be connected with turn-screw by bearing pin three, described motor two welds with right clamp arm, described leading screw right-hand member welds with motor two axle and passes the unthreaded hole on right clamp arm surface, described leading screw left end is through the unthreaded hole on left clamp arm surface, described leading screw left end installs spherical washer and spherical nut additional, described spherical washer and spherical nut side have arcuate furrow, be connected with left clamp arm by straight pin.
Preferably, described left clamp arm and right clamp arm downside end accommodate partial interior and are provided with asperities, and blessing segment thickness is 1-2 millimeter.
Compared with prior art, the beneficial effects of the utility model are: this associated jaw portion designs according to screw screw profile and size, coordinate trepan can hold on the screw screw rod buried in skeleton fast, the screw thread be provided with in jaw can increase frictional force, avoid invalid slip, adopt electronic clamping device simultaneously, ensure that getting screw in nail process can not come off, adopt the mode of machine automatization lift simultaneously, avoid the problem of the operative failure caused because of operator's technical reason.
Accompanying drawing explanation
Fig. 1 is this utility model structural upright schematic diagram;
Fig. 2 is this utility model structure pulling apparatus schematic diagram;
Fig. 3 is this utility model structure clamping device schematic diagram;
Fig. 4 is this utility model structure tong arm end view.
In figure: 1 pulling apparatus, 101 motor one, 102 floors, 103 twisting resistance detectors, 104 shaft couplings, 2 bearing supports, 201 gripper shoes, 202 ear seats, 203 bearing pin one, 204 supporting legs, 205 bottom support brackets, 206 bearing pin two, 3 clamping devices, 301 left clamp arms, 302 right clamp arms, 303 motor two, 304 leading screws, 305 spherical nuts, 306 bearing pin three, 307 spherical washer, 308 straight pins, 4 turn-screws.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1-4, this utility model provides a kind of technical scheme: the special nail-fetching device of a kind of orthopaedics, comprise pulling apparatus 1, bearing support 2, clamping device 3 and turn-screw 4, bearing support 2 comprises gripper shoe 201, ear seat 202, bearing pin 1, supporting leg 204, bottom support bracket 205 and bearing pin 2 206, pulling apparatus 1 is connected with gripper shoe 201 upper surface, there is out screwed hole at gripper shoe 201 center, turn-screw 4 from the screwed hole of gripper shoe 201 through and lower end be connected with clamping device 3, turn-screw 4 upper end is connected with pulling apparatus 1, three ear seat 202 annulars are uniformly distributed and weld in gripper shoe 201, supporting leg 204 one end is connected with ear seat 202 by bearing pin 1, the other end is connected with bottom support bracket 205 by bearing pin 2 206, get in nail process, the angle of supporting leg 204 and gripper shoe 201 and bottom support bracket 205 can be regulated according to actual needs, to obtain best support effects, pulling apparatus 1 comprises motor 1, floor 102, twisting resistance detector 103 and shaft coupling 104, motor 1 both sides are welded with floor 102, to weld with gripper shoe 201 bottom twisting resistance detector 103 and inside has twice groove, the floor 102 of motor 1 both sides and the twice ditch slot fit of twisting resistance detector 103 inside, turn-screw 4 is connected with motor 1 axle by shaft coupling 104, because the screwed hole of turn-screw 4 with gripper shoe 201 inside interacts, drive motor 1 moves up and down vertically, thus move up and down while driving bottom clamping device 3 to rotate, thus reach the object of taking out screw, when producing larger twisting resistance because some technical reason screw can not be removed, detection signal will be sent to control system by twisting resistance detector 103 automatically, power-off disposal is carried out to system, avoid causing secondary injury to patient, clamping device 3 comprises left clamp arm 301, right clamp arm 302, motor 2 303, leading screw 304, spherical nut 305, bearing pin 3 306, spherical washer 307 and straight pin 308, left clamp arm 301 and right clamp arm 302 adopt rigid material, and be connected with turn-screw 4 by bearing pin 3 306, motor 2 303 welds with right clamp arm 302, leading screw 304 right-hand member welds with motor 2 303 axle and passes the unthreaded hole on right clamp arm 302 surface, leading screw 304 left end is through the unthreaded hole on left clamp arm 301 surface, leading screw 304 left end installs spherical washer 307 and spherical nut 305 additional, spherical washer 307 and spherical nut 305 side have arcuate furrow, be connected with left clamp arm 301 by straight pin 308, motor 2 303 works and drives left clamp arm 301 and right clamp arm 302 to clamp, it is stressed bending that leading screw 304 left end nut and pad adopt spherical washer 307 and spherical nut 305 effectively to avoid leading screw 304, and effectively avoid spherical washer 307 and spherical nut 305 with screw turns by installing straight pin 308 additional, left clamp arm 301 and right clamp arm 302 downside end accommodate partial interior and are provided with asperities, frictional force can be increased, avoid invalid slip, and blessing segment thickness is 1-2 millimeter, make jaw in limited space, effectively can hold screw screw rod, there are again enough revolution spaces.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (5)
1. the special nail-fetching device of orthopaedics, comprise pulling apparatus (1), bearing support (2), clamping device (3) and turn-screw (4), it is characterized in that: described bearing support (2) comprises gripper shoe (201), ear seat (202), bearing pin one (203), supporting leg (204), bottom support bracket (205) and bearing pin two (206), described pulling apparatus (1) is connected with gripper shoe (201) upper surface, there is out screwed hole at described gripper shoe (201) center, described turn-screw (4) from the screwed hole of gripper shoe (201) through and lower end be connected with clamping device (3), described turn-screw (4) upper end is connected with pulling apparatus (1).
2. the special nail-fetching device of a kind of orthopaedics according to claim 1, it is characterized in that: described three ear seat (202) annulars are uniformly distributed and weld in gripper shoe (201), one end of described supporting leg (204) is connected with ear seat (202) by bearing pin one (203), and the other end of described supporting leg (204) is connected with bottom support bracket (205) by bearing pin two (206).
3. the special nail-fetching device of a kind of orthopaedics according to claim 1, it is characterized in that: described pulling apparatus (1) comprises motor one (101), floor (102), twisting resistance detector (103) and shaft coupling (104), described motor one (101) both sides are welded with floor (102), described twisting resistance detector (103) bottom is welded with gripper shoe (201) and inside has twice groove, the floor (102) of described motor one (101) both sides and the twice ditch slot fit of twisting resistance detector (103) inside, described turn-screw (4) is connected with motor one (101) axle by shaft coupling (104).
4. the special nail-fetching device of a kind of orthopaedics according to claim 1, it is characterized in that: described clamping device (3) comprises left clamp arm (301), right clamp arm (302), motor two (303), leading screw (304), spherical nut (305), bearing pin three (306), spherical washer (307) and straight pin (308), described left clamp arm (301) and right clamp arm (302) adopt rigid material, and be connected with turn-screw (4) by bearing pin three (306), described motor two (303) welds with right clamp arm (302), described leading screw (304) right-hand member welds with motor two (303) axle and passes the unthreaded hole on right clamp arm (302) surface, described leading screw (304) left end is through the unthreaded hole on left clamp arm (301) surface, described leading screw (304) left end installs spherical washer (307) and spherical nut (305) additional, described spherical washer (307) and spherical nut (305) side have arcuate furrow, be connected with left clamp arm (301) by straight pin (308).
5. the special nail-fetching device of a kind of orthopaedics according to claim 4, is characterized in that: described left clamp arm (301) and right clamp arm (302) downside end accommodate partial interior and be provided with asperities, and blessing segment thickness is 1-2 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474623.2U CN205007028U (en) | 2015-06-30 | 2015-06-30 | Nail ware is got in orthopedics special use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474623.2U CN205007028U (en) | 2015-06-30 | 2015-06-30 | Nail ware is got in orthopedics special use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205007028U true CN205007028U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520474623.2U Active CN205007028U (en) | 2015-06-30 | 2015-06-30 | Nail ware is got in orthopedics special use |
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| Country | Link |
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| CN (1) | CN205007028U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105686876A (en) * | 2016-03-29 | 2016-06-22 | 李现军 | Screw taking device used in department of orthopaedics |
| CN105796172A (en) * | 2016-05-08 | 2016-07-27 | 哈尔滨诺斯泰科技有限责任公司 | Automatic nail screwing device for surgery |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN109199567A (en) * | 2018-10-29 | 2019-01-15 | 于跃强 | A kind of extractor for bone-pin for four limbs |
-
2015
- 2015-06-30 CN CN201520474623.2U patent/CN205007028U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105686876A (en) * | 2016-03-29 | 2016-06-22 | 李现军 | Screw taking device used in department of orthopaedics |
| CN105796172A (en) * | 2016-05-08 | 2016-07-27 | 哈尔滨诺斯泰科技有限责任公司 | Automatic nail screwing device for surgery |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN109199567A (en) * | 2018-10-29 | 2019-01-15 | 于跃强 | A kind of extractor for bone-pin for four limbs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Wei Inventor before: Xu Weiming |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170104 Address after: 721000 Weibin District, Shaanxi, No. via road, No. 11 (Xin Bao building, room 2701), No. two Patentee after: Shaanxi medical Limited by Share Ltd Address before: 311817 Zhejiang city of Shaoxing province Zhuji City Ying Dian Jie Zhen Zi Lang Cun Qi He Xia Zhuang tower No. 35 Patentee before: Xu Weiming |