CN203634280U - Orthopedic department screw extractor - Google Patents
Orthopedic department screw extractor Download PDFInfo
- Publication number
- CN203634280U CN203634280U CN201420000435.1U CN201420000435U CN203634280U CN 203634280 U CN203634280 U CN 203634280U CN 201420000435 U CN201420000435 U CN 201420000435U CN 203634280 U CN203634280 U CN 203634280U
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- CN
- China
- Prior art keywords
- shell
- pinion
- auxiliary gear
- chuck
- utility
- 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
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Abstract
The utility model discloses an orthopedic department screw extractor, and relates to the technical field of orthopedic instruments. The upper end of a shell is provided with a pulling ring, a drive motor is mounted in the middle of the shell, a rotary shaft of the drive motor is provided with a main gear which is engaged with a first auxiliary gear and a second auxiliary gear, the first auxiliary gear and the second auxiliary gear are mounted on the shell through rotary shafts, the lower ends of the rotary shafts of the first auxiliary gear and second auxiliary gear are both provided with mounting shaft sleeves, the two mounting shaft sleeves are respectively provided with links and slotting devices, the lower ends of the links are welded with clamping plates provided with clamping claws, and an illuminating light is mounted at the lower end of the shell. The orthopedic department screw extractor can be used for extracting broken screws conveniently and rapidly without damaging bone tissues, usage is facilitated, and operation is facilitated.
Description
Technical field:
This utility model relates to a kind of orthopedic nail extractor, belongs to orthopedic instrument technical field.
Background technology:
Orthopedic instrument refers generally to be specifically designed to the professional medical apparatus that bone surgery is used; Often be divided into by the classifying and dividing of state food drug surveilance office: a class; Two classes and three classes.Divide and can be divided into again according to use and performance: joint instrument, spinal instrumentation, wound apparatus and basic apparatus etc.
Existing nail-fetching device is to adopt first fluting, then broken nail is prized, and adopts the mode of sled easily to injure osseous tissue, causes recovery time in later stage long.
Utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of orthopedic nail extractor.
A kind of orthopedic nail extractor of the present utility model, it comprises shell, draw ring, drive motors, master gear, pinion one, pinion two, axle sleeve is installed, connecting rod, notcher, chuck, illuminating lamp, the upper end of shell is provided with draw ring, drive motors is arranged on the centre of enclosure, in the rotating shaft of drive motors, master gear is installed, master gear respectively with pinion one, pinion two engages, pinion one, pinion two is arranged on shell by rotating shaft, pinion one, the lower end of the rotating shaft of pinion two is all provided with installation axle sleeve, two installation shaft put and are separately installed with connecting rod, notcher, the lower end of connecting rod is welded with chuck, claw is installed on chuck, illuminating lamp is arranged on the lower end of shell.
As preferably, described installation shaft puts clamping screw is installed.
As preferably, on described chuck, be provided with locking hole.
The beneficial effects of the utility model are: can easily and fast broken nail be taken out, and be difficult for injury osseous tissue, and easy to use, easy and simple to handle.
Accompanying drawing explanation:
For ease of explanation, this utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is this utility model structural representation;
Fig. 2 is the cutaway view that axle sleeve is installed in this utility model.
In figure: 1-shell; 2-draw ring; 3-drive motors; 4-master gear; 5-pinion one; 6-pinion two; 7-installs axle sleeve; 71-clamping screw; 8-connecting rod; 9-notcher; 10-chuck; 11-illuminating lamp.
The specific embodiment:
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below by the specific embodiment shown in accompanying drawing, this utility model is described.But should be appreciated that, these descriptions are exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present utility model.
As shown in Figure 1-2, this specific embodiment is by the following technical solutions: it comprises shell 1, draw ring 2, drive motors 3, master gear 4, pinion 1, pinion 26, axle sleeve 7 is installed, connecting rod 8, notcher 9, chuck 10, illuminating lamp 11, the upper end of shell 1 is provided with draw ring 2, drive motors 3 is arranged on the centre of shell 1 inside, master gear 4 is installed in the rotating shaft of drive motors 3, master gear 4 respectively with pinion 1, pinion 26 engagements, pinion 1, pinion 26 is arranged on shell 1 by rotating shaft, pinion 1, the lower end of the rotating shaft of pinion 26 is all provided with installs axle sleeve 7, on two installation axle sleeves 7, be separately installed with connecting rod 8, notcher 9, the lower end of connecting rod 8 is welded with chuck 10, on chuck 10, claw is installed, illuminating lamp 11 is arranged on the lower end of shell 1.
Further, on described installation axle sleeve 7, clamping screw 71 is installed.
Further, on described chuck 10, be provided with locking hole.
The operation principle of this specific embodiment is: in the time that broken nail be can't see, first notcher 9 is arranged on and installs on axle sleeve 7, open illuminating lamp 11, slot by notcher 9, then connecting rod 8 is installed, by regulating the claw on chuck 10 that broken nail is blocked, then open drive motors 3 broken nail is screwed out, be difficult for other osseous tissue of injury, easy to use.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed this utility model.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. orthopedic nail extractor, is characterized in that: it comprises shell (1), draw ring (2), drive motors (3), master gear (4), pinion one (5), pinion two (6), axle sleeve (7) is installed, connecting rod (8), notcher (9), chuck (10), illuminating lamp (11), the upper end of shell (1) is provided with draw ring (2), drive motors (3) is arranged on the inner centre of shell (1), master gear (4) is installed in the rotating shaft of drive motors (3), master gear (4) respectively with pinion one (5), pinion two (6) engagements, pinion one (5), it is upper that pinion two (6) is arranged on shell (1) by rotating shaft, pinion one (5), the lower end of the rotating shaft of pinion two (6) is all provided with installs axle sleeve (7), is separately installed with connecting rod (8) on two installation axle sleeves (7), notcher (9), the lower end of connecting rod (8) is welded with chuck (10), and chuck is provided with claw on (10), and illuminating lamp (11) is arranged on the lower end of shell (1).
2. orthopedic nail extractor according to claim 1, is characterized in that: on described installation axle sleeve (7), clamping screw (71) is installed.
3. orthopedic nail extractor according to claim 1, is characterized in that: on described chuck (10), be provided with locking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000435.1U CN203634280U (en) | 2014-01-02 | 2014-01-02 | Orthopedic department screw extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000435.1U CN203634280U (en) | 2014-01-02 | 2014-01-02 | Orthopedic department screw extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634280U true CN203634280U (en) | 2014-06-11 |
Family
ID=50865570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420000435.1U Expired - Fee Related CN203634280U (en) | 2014-01-02 | 2014-01-02 | Orthopedic department screw extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203634280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877835A (en) * | 2016-06-28 | 2016-08-24 | 郑胜 | Orthopedics nail taking device |
| CN105877834A (en) * | 2016-04-11 | 2016-08-24 | 李建南 | High-efficiency nail removing device for orthopedic operation |
| CN112155710A (en) * | 2020-09-17 | 2021-01-01 | 杨泽华 | Nail taking device for orthopedics department |
-
2014
- 2014-01-02 CN CN201420000435.1U patent/CN203634280U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877834A (en) * | 2016-04-11 | 2016-08-24 | 李建南 | High-efficiency nail removing device for orthopedic operation |
| CN105877834B (en) * | 2016-04-11 | 2018-03-23 | 刘安成 | A kind of bone surgery device for fetching nail |
| CN105877835A (en) * | 2016-06-28 | 2016-08-24 | 郑胜 | Orthopedics nail taking device |
| CN105877835B (en) * | 2016-06-28 | 2018-08-03 | 日照市中医医院 | Nail taking out apparatus in orthopaedics |
| CN112155710A (en) * | 2020-09-17 | 2021-01-01 | 杨泽华 | Nail taking device for orthopedics department |
| CN112155710B (en) * | 2020-09-17 | 2021-08-03 | 鹤壁市人民医院 | Nail taking device for orthopedics department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20150102 |
|
| EXPY | Termination of patent right or utility model |