CN203677240U - Nail taking device used in orthopaedics department - Google Patents
Nail taking device used in orthopaedics department Download PDFInfo
- Publication number
- CN203677240U CN203677240U CN201420061630.5U CN201420061630U CN203677240U CN 203677240 U CN203677240 U CN 203677240U CN 201420061630 U CN201420061630 U CN 201420061630U CN 203677240 U CN203677240 U CN 203677240U
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- driving shaft
- positioning sleeve
- elastic claw
- tensioning spring
- hock
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Abstract
The utility model discloses a nail taking device used in the orthopaedics department. The nail taking device used in the orthopaedics department comprises a support, a base, a supporting pad and a cross beam and is characterized in that a motor, a driving shaft, a tensioning spring, a locking nut, a positioning sleeve, elastic claw arms, positioning teeth, tooth claws, an ejection block, a blocking ring and an ejection shaft are arranged on the cross beam, a cylindrical blind hole is formed in the center of the lower end of the driving shaft, the upper end of the driving shaft penetrates the cross beam to be connected with the motor on the cross beam, the upper portion of the outer wall of the driving shaft is provided with the blocking ring and the positioning sleeve, the positioning sleeve is in threaded connection with the driving shaft through outer threads, the upper end corresponds to the blocking ring, two sides of the lower end are symmetrically provided with the elastic claw arms, the tooth claws are correspondingly arranged on the inner sides of the ends of the elastic claw arms, the positioning teeth are arranged at the upper ends of the tooth claws, the locking nut is in threaded connection with the positioning sleeve and the elastic claw arms, the tensioning spring is arranged in the blind hole of the driving shaft, the upper end of the tensioning spring is fixedly connected with the driving shaft, the lower end of the tensioning spring is fixedly connected with the ejection shaft, the upper portion of the ejection shaft is in sliding connection with the driving shaft, and the ejection block is arranged at the lower end of the ejection shaft. The nail taking device used in the orthopaedics department has the advantages of being novel in structure, convenient to use, quick to take, practical and the like.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of nail taking out apparatus in orthopaedics.
Background technology
In clinical medicine, fracture is one of common disease of bone wound.The normal method adopting for the treatment of fracture is to implement internal fixation operation, after resetting, by means of the blade plate of being made up of metal material and screw, the skeleton after resetting is coupled together by fracture site.After enforcement internal fixation operation, take off in the process of blade plate, screw need to be pulled down, because often making screw, different reasons fractures, be difficult to screw to screw out by instruments such as screwdrivers, get the time-consuming expense of nail process, also easily increase wound and operating time, even abandon getting nail, allow it stay throughout one's life in skeleton, bring inconvenience to patient.
Through retrieval, CN103239286 the utility model discloses a kind of nail taking out apparatus in orthopaedics, it comprises support, support is by saddle, support arm and cross-brace composition, cross-brace and saddle be arranged in parallel, saddle and cross-brace are fixed in respectively the both ends of support arm, in cross-brace, be bolted with and get nail bar, the bottom of getting nail bar is provided with sleeve pipe, sleeve pipe is provided with along quill to arranging and upwardly extending many open slots from its lower end, many open slot makes the bottom of sleeve pipe form multiple clamp clips, on support arm, slidably connect the sleeve sliding up and down, on sleeve, be bolted with clamping screw, on sleeve, be also connected with support bar, the external part of support bar is equipped with the lock sleeve being enclosed within on sleeve pipe.When use, the limbs of nail to be got are placed on holder limb concave surface, first by the position of clamping screw locking bushing, thereby screw and get nail bar and multiple clamp clips are opened contain screw end, then unclamp clamping screw to sleeve and support bar, lock sleeve and glide, the position of locking bushing again after downslide, thereby screw and get nail bar and make lock sleeve compressing clamp clip make the lower port of the sleeve pipe screw end of holding, after holding, unclamp clamping screw, by screw get nail bar can be by the taking-up that makes a decision.Its substantive deficiency is: due to clamp clip flare, can not be fixedly clamped to screw, therefore, this structure is impracticable.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of novel structure, easy to use, get quick, the practical nail taking out apparatus in orthopaedics of nail.
This utility model solves the technical scheme that its technical problem adopts:
A kind of nail taking out apparatus in orthopaedics, comprise support, base, pad and crossbeam, described support lower end is fixedly connected with base is vertical, upper end is fixedly connected with beam vertical, base is provided with pad, it is characterized in that crossbeam is provided with motor, driving shaft, tensioning spring, locking nut, positioning sleeve, elastic claw arm, location tooth, hock, jacking block, baffle ring and apical axis, center, described driving shaft lower end is provided with blind cylindrical hole, upper end is connected with the motor being fixed on crossbeam through crossbeam, described driving shaft outer wall top is provided with baffle ring and positioning sleeve, positioning sleeve is connected with drive shaft screw thread through external screw thread, upper end is corresponding with baffle ring, lower end lateral symmetry is provided with elastic claw arm, inside described two elastic claw arm ends, correspondence is provided with hock, hock crown in opposite directions, described hock upper end is provided with location tooth, be beneficial in the time that hock blocks bone screw, location tooth can insert the interior location of yi word pattern groove of bone screw, described two elastic claw arms outwards extend from top to bottom gradually, to reach the convenient effect that clamps bone screw, the outer wall of described positioning sleeve and elastic claw arm is respectively equipped with screw thread, locking nut is enclosed within on positioning sleeve and through screw thread and is threaded with positioning sleeve and elastic claw arm respectively, in the time will clamping bone screw, elastic claw arm moves down along the screw thread of positioning sleeve and elastic claw arm outer wall gradually through locking nut, elastic claw arm relies on center gradually, make hock firmly grasp bone screw, described tensioning spring is located in the blind hole of driving shaft, tensioning spring upper end is fixedly connected with driving shaft, lower end is fixedly connected with apical axis, described apical axis top and driving shaft are slidably connected, lower end is provided with jacking block, to facilitate the jacking block of adjustment apical axis lower end and the groove that bone screw sieve is labeled to plug, make the collaborative hock of jacking block firmly grasp bone screw, reach the effect of fast fetching nail.
Positioning sleeve endoporus described in the utility model is to be made up of inner bolt hole and tubaeform through hole, and described inner bolt hole is connected with the miner diameter end of tubaeform through hole, to reach convenient effect of drawing elastic claw arm in.
This utility model is owing to adopting said structure, have novel structure, easy to use, get the nail advantage such as quick, practical.
accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of embodiment of the present utility model.
Reference numeral: support 1, base 2, pad 3, crossbeam 4, motor 5, driving shaft 6, tensioning spring 7, locking nut 8, positioning sleeve 9, elastic claw arm 10, location tooth 11, hock 12, jacking block 13, baffle ring 14, apical axis 15.
The specific embodiment:
Below in conjunction with accompanying drawing, this utility model is further illustrated:
As shown in drawings, a kind of nail taking out apparatus in orthopaedics, comprise support 1, base 2, pad 3 and crossbeam 4, described support 1 lower end is fixedly connected with base 2 is vertical, upper end is fixedly connected with crossbeam 4 is vertical, base 2 is provided with pad 3, it is characterized in that crossbeam 4 is provided with motor 5, driving shaft 6, tensioning spring 7, locking nut 8, positioning sleeve 9, elastic claw arm 10, location tooth 11, hock 12, jacking block 13, baffle ring 14 and apical axis 15, described driving shaft 6 centers, lower end are provided with blind cylindrical hole, upper end is connected with the motor 5 being fixed on crossbeam 4 through crossbeam 4, described driving shaft 6 outer wall tops are provided with baffle ring 14 and positioning sleeve 9, positioning sleeve 9 is threaded with driving shaft 6 through external screw thread, upper end is corresponding with baffle ring, lower end lateral symmetry is provided with elastic claw arm 10, inside described two elastic claw arm 10 ends, correspondence is provided with hock 12, hock 12 crowns in opposite directions, described hock 12 upper ends are provided with location tooth 11, be beneficial in the time that hock 12 blocks bone screw, location tooth 11 can insert the interior location of yi word pattern groove of bone screw, described two elastic claw arms 10 outwards extend gradually with shaft center line from top to bottom, to reach the convenient effect that clamps bone screw, the outer wall of described positioning sleeve 9 and elastic claw arm 10 is respectively equipped with screw thread, locking nut 8 is enclosed within on positioning sleeve 9 and through screw thread and is threaded with positioning sleeve 9 and elastic claw arm 10 respectively, in the time will clamping bone screw, elastic claw arm 10 moves down along the screw thread of positioning sleeve 9 and elastic claw arm 10 outer walls gradually through locking nut 8, elastic claw arm 10 relies on center gradually, make promptly bone screw of hock 12, described tensioning spring 7 is located in the blind hole of driving shaft 6, tensioning spring 7 upper ends are fixedly connected with driving shaft 6, lower end is fixedly connected with apical axis 15, described apical axis 15 tops and driving shaft 6 are slidably connected, lower end is provided with jacking block 13, plug with the groove that facilitates the jacking block 13 of adjusting apical axis 15 lower ends and bone screw sieve to label, make promptly bone screw of the collaborative hock 12 of jacking block 13, reach the effect of fast fetching nail.
Positioning sleeve 9 endoporus described in the utility model are to be made up of inner bolt hole and tubaeform through hole, and described inner bolt hole is connected with the miner diameter end of tubaeform through hole, to reach convenient effect of drawing elastic claw arm in.
This utility model is in the time of clinical use, the suffering limb that patient will be got to nail is placed on pad, bone screw center to be got is aimed in the center of driving shaft 6, drive motors 5 rotates, make the apical axis 15 of driving shaft 6 lower ends press down with bone screw upper surface inconsistent, and the jacking block 13 that makes apical axis 15 lower ends injects in the groove of bone screw, driving shaft 6 stops motor driving after continuing to drive apical axis 15 to press down a bit of stroke, be rotated down locking nut 8, locking nut 8 relies on two elastic claw arms 12 the Luo Guan two bottom sides of bone screw gradually, and make to locate tooth 11 and inject in the groove of bone screw, make the stressed clamping respectively of the upper and lower two ends of bone screw, starter motor upset again, driving shaft 6 drives apical axis 15 and elastic claw arm 12 to rotate, apical axis 15 and elastic claw arm 12 are driven in bone screw counter-rotating also to be moved, and then take out screw.
This utility model is owing to adopting said structure, have novel structure, easy to use, get the nail advantage such as quick, practical.
Claims (2)
1. a nail taking out apparatus in orthopaedics, comprise support, base, pad and crossbeam, described support lower end is fixedly connected with base is vertical, upper end is fixedly connected with beam vertical, base is provided with pad, it is characterized in that crossbeam is provided with motor, driving shaft, tensioning spring, locking nut, positioning sleeve, elastic claw arm, location tooth, hock, jacking block, baffle ring and apical axis, center, described driving shaft lower end is provided with blind cylindrical hole, upper end is connected with the motor being fixed on crossbeam through crossbeam, described driving shaft outer wall top is provided with baffle ring and positioning sleeve, positioning sleeve is connected with drive shaft screw thread through external screw thread, upper end is corresponding with baffle ring, lower end lateral symmetry is provided with elastic claw arm, inside described two elastic claw arm ends, correspondence is provided with hock, hock crown in opposite directions, described hock upper end is provided with location tooth, described two elastic claw arms outwards extend from top to bottom gradually, the outer wall of described positioning sleeve and elastic claw arm is respectively equipped with screw thread, locking nut is enclosed within on positioning sleeve and through screw thread and is threaded with positioning sleeve and elastic claw arm respectively, described tensioning spring is located in the blind hole of driving shaft, tensioning spring upper end is fixedly connected with driving shaft, lower end is fixedly connected with apical axis, described apical axis top and driving shaft are slidably connected, lower end is provided with jacking block.
2. a kind of nail taking out apparatus in orthopaedics according to claim 1, is characterized in that described positioning sleeve endoporus is to be made up of inner bolt hole and tubaeform through hole, and described inner bolt hole is connected with the miner diameter end of tubaeform through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061630.5U CN203677240U (en) | 2014-02-11 | 2014-02-11 | Nail taking device used in orthopaedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061630.5U CN203677240U (en) | 2014-02-11 | 2014-02-11 | Nail taking device used in orthopaedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677240U true CN203677240U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061630.5U Expired - Fee Related CN203677240U (en) | 2014-02-11 | 2014-02-11 | Nail taking device used in orthopaedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203677240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342693A (en) * | 2015-09-29 | 2016-02-24 | 武豪杰 | Fast and painless nail taking device for orthopedic surgery |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN107157569A (en) * | 2017-06-14 | 2017-09-15 | 高飞 | A kind of orthopaedics bone nail-fetching device |
-
2014
- 2014-02-11 CN CN201420061630.5U patent/CN203677240U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342693A (en) * | 2015-09-29 | 2016-02-24 | 武豪杰 | Fast and painless nail taking device for orthopedic surgery |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN105852958B (en) * | 2016-05-03 | 2018-05-15 | 王会同 | A kind of nail taking out apparatus in orthopaedics |
| CN107157569A (en) * | 2017-06-14 | 2017-09-15 | 高飞 | A kind of orthopaedics bone nail-fetching device |
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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: 20140702 Termination date: 20150211 |
|
| EXPY | Termination of patent right or utility model |