CN200963182Y - Broken nail extraction apparatus - Google Patents
Broken nail extraction apparatus Download PDFInfo
- Publication number
- CN200963182Y CN200963182Y CN 200620134187 CN200620134187U CN200963182Y CN 200963182 Y CN200963182 Y CN 200963182Y CN 200620134187 CN200620134187 CN 200620134187 CN 200620134187 U CN200620134187 U CN 200620134187U CN 200963182 Y CN200963182 Y CN 200963182Y
- Authority
- CN
- China
- Prior art keywords
- section
- inner sleeve
- broken nail
- taking out
- handle
- 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
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a broken nail extractor, which comprises an exterior sleeve cylinder, an interior sleeve cylinder and a rotation-proof handle, wherein the interior sleeve cylinder is screwed into the interior wall of the exterior sleeve cylinder provided with a drive input mechanism on the upper part, wherein the upper part of the interior sleeve cylinder is connected with the rotation-proof handle that is mutually fixed with the peripheral interior sleeve cylinder, a section with the pyramid surface expanded outward along a screw thread is connected with the lower part of the screw thread of the interior sleeve cylinder, wherein the clamping section is arranged under the section with the pyramid surface, and a plurality of agnails prolonging along the central axis of the clamping section are arranged evenly on the circumference of the interior wall nearing the end of the clamping section. When the utility model is used, firstly c the clamping section is used to cover the exterior side of the broken nail, then the exterior sleeve cylinder is rotated to make the clamping section tightly clamp the broken nail, then the interior sleeve cylinder is rotated reversely to draw the exterior sleeve cylinder and the bolt out. The utility model has simple structure, convenient use as well as the minor damage on the bone tissue during application due to the thin-wall tube of the clamping section.
Description
Technical field
After relating to a kind of nail that screws in the osseous tissue and fracture, this utility model, belongs to technical field of medical instruments with the device for taking out broken nail of its taking-up.
Background technology
Existing vertebra all is solid screws with screw, because of some reason, may cause screw extraction, bring great risk to operation, be difficult to take out the screw back that fractures, and take out in the process of the screw that fractures except that osseous tissue being caused the new damage, also can prolong operating time, influence operation quality.So far also there is not broken nail withdrawing device appearance easy to use, less to the osseous tissue damage.
The utility model content
The purpose of this utility model be to provide a kind of easy to use, applied widely, to the less device for taking out broken nail of osseous tissue damage.
For achieving the above object, technical solution of the present utility model is
A kind of device for taking out broken nail, comprise outer sleeve, inner sleeve and anti-rotation handle, described inner sleeve is bolted in described outer sleeve inwall by its thread segment, described outer sleeve top is provided with power input device, described inner sleeve upper end is connected with the anti-rotation handle that circumferentially interfixes with this inner sleeve, the thread segment below of inner sleeve is connected with the conical surface section that expands outwardly along thread segment, conical surface section below is provided with the gripping section, circumferentially is evenly equipped with the agnail that several extend to the central axial direction of gripping section on the gripping section on close its terminal inwall.
Further, the terminal section of described gripping section is provided with sawtooth.
Further, described gripping section outer wall is provided with screw thread.
Further, the internal diameter of described gripping section, external diameter are respectively greater than internal diameter, the external diameter of described thread segment.
Further, described power input device is a locking handwheel of being located at described outer sleeve upper end.
Further, described power input device is for being connected in the mechanical actuation device of described outer sleeve end by the power union joint.
Further, described anti-rotation handle upper end is provided with handle, this handle below is provided with connecting rod, this connecting rod by the handle section, be used for the linkage section of fixedlying connected and the changeover portion be located between handle section and the linkage section is formed with described inner sleeve, described handle section, linkage section and changeover portion are one-body molded, and the internal diameter of thread segment is complementary on described linkage section and the described inner sleeve, and the diameter of described changeover portion is less than the internal diameter of described outer sleeve, and the diameter of described handle section is greater than the diameter of described changeover portion.
Further, described linkage section is provided with and is used for the clamping structure that fixes mutually with described inner sleeve.
Further, described clamping structure is a steady pin of being located at described link, and the thread segment of described inner sleeve is provided with the open slot that is complementary with described steady pin, and described steady pin is fastened in the described open slot.
Further, circumferentially be evenly equipped with the expansion slot that several extend along the axis direction of described inner sleeve on described conical surface section, the gripping section.
Because this utility model comprises outer sleeve, inner sleeve and anti-rotation handle, described inner sleeve is bolted in described outer sleeve inwall, the thread segment below of inner sleeve is connected with the conical surface section that expands outwardly along thread segment, conical surface section below is provided with the gripping section, therefore in the use gripping section is enclosed within to fracture the screw outside, the rotary sleeve tube clamps the gripping section to fracture the screw folder again, reverse rotation inner sleeve then, driving outer sleeve and screw withdraws from together, simple in structure, easy to use, and because the gripping section is the thin-walled tubulose, so the damage to osseous tissue is less in the use; In addition, sawtooth that the gripping section is set or external screw thread make can very fast pulverizing fracture osseous tissue around the screw end face of this utility model device for taking out broken nail, use more convenient.And conical surface section, the set expansion slot of gripping section make a kind of nail of concluding the applicable different size of extractor of specification.
Description of drawings
Fig. 1 is a cutaway view of the present utility model;
Fig. 2 is the structure chart of this utility model anti-rotation handle;
Fig. 3 is the B-B cutaway view of this utility model inner sleeve;
Fig. 4 is the A-A cutaway view of this utility model outer sleeve;
Structure chart when Fig. 5 connects driving device for this utility model.
The specific embodiment
As shown in Figure 1, this utility model device for taking out broken nail comprises outer sleeve 1, inner sleeve 2 and anti-rotation handle 3, and outer sleeve 1 inwall is provided with screw thread, and outer sleeve 1 upper end is provided with locking handwheel 11, and locking handwheel 11 is one-body molded with outer sleeve 1; Inner sleeve 2 comprise can with the thread segment 21 of the inwall bolt of outer sleeve 1, thread segment 21 belows are connected with the conical surface section 22 that expands outwardly along thread segment, conical surface section 22 belows are provided with internal diameter, external diameter respectively greater than the internal diameter of thread segment 21, the gripping section 23 of external diameter, as shown in Figure 3, be provided with the agnail 231 that extends to the central axial direction of gripping section 23 near its terminal inwall on the gripping section 23, agnail 231 can be made as more than two, be distributed on the inwall of gripping section 23, and the terminal section of gripping section 23 is provided with sawtooth 232; As Fig. 1, shown in 2, anti-rotation handle 3 upper ends are provided with handle 31, handle 31 belows are provided with connecting rod 32, connecting rod 32 is by the handle section 321 that is provided with handle, be used to connect the linkage section 322 of inner sleeve 2 and be located at handle section 321 and linkage section 322 between changeover portion 323 form, handle section 321, linkage section 322 and changeover portion 323 are one-body molded, and the internal diameter of thread segment 21 is complementary on linkage section 322 and the inner sleeve 2, the diameter of changeover portion 323 is less than the internal diameter of outer sleeve 1, the diameter of handle section 321 is greater than the diameter of changeover portion 323, linkage section 322 is provided with and is used for the steady pin 33 that fixes mutually with inner sleeve 2, thread segment 21 tops of inner sleeve 2 be provided with anti-rotation handle 3 on the open slot 211 that is complementary of steady pin 33; Inner sleeve 2 is bolted in outer sleeve 1 inwall by its thread segment 21, and the linkage section 322 of anti-rotation handle 3 closely cooperates with thread segment 21 inwalls of inner sleeve 2, and steady pin 33 inserts in the set open slot 211 that is complementary with steady pin 33 in thread segment 21 tops of inner sleeves 2, make that in the course of the work, anti-rotation handle 3 can not rotate mutually with inner sleeve 2;
In addition, circumferentially be evenly equipped with the expansion slot 233 that several extend along the axis direction of inner sleeve 2 on conical surface section 22, the gripping section 23, the sawtooth 232 that is provided with on the terminal section of gripping section 23 also can be replaced by the screw thread that is arranged at gripping section 23 outer walls.
Driving inner sleeve 2 by anti-rotation handle 3 earlier in the use rotates, make the sawtooth 232 of gripping section 23 ends of inner sleeve 2 pulverize the nail osseous tissue on every side that fractures, and gripping section 23 is enclosed within fracture the fixing outside, thereby rotation lock handwheel 11 drive outer sleeves 1 relative inner sleeve 2 moves down then, under the clamping force effect of outer sleeve 1, the agnail of the gripping section of inner sleeve tightly fixes on the nail that fractures, at this moment reverse rotation anti-rotation handle, then the anti-rotation handle drives inner sleeve 2, outer sleeve 1 withdraws from, thereby the nail that will fracture takes out.
Shown in Fig. 4,5, outer sleeve 1 upper inner wall also can be provided with interior six sides' power link 12, and this power link 12 is fixedly connected with power sub 4, can connect the driving device (not shown) that motor, decelerator etc. are formed by power sub 4.
Claims (10)
1, a kind of device for taking out broken nail, it is characterized in that, comprise outer sleeve, inner sleeve and anti-rotation handle, described inner sleeve is bolted in described outer sleeve inwall by its thread segment, described outer sleeve top is provided with power input device, described inner sleeve upper end is connected with the anti-rotation handle that circumferentially interfixes with this inner sleeve, the thread segment below of inner sleeve is connected with the conical surface section that expands outwardly along thread segment, conical surface section below is provided with the gripping section, circumferentially is evenly equipped with the agnail that several extend to the central axial direction of gripping section on the gripping section on close its terminal inwall.
2, device for taking out broken nail as claimed in claim 1 is characterized in that, the terminal section of described gripping section is provided with sawtooth.
3, device for taking out broken nail as claimed in claim 1 is characterized in that, described gripping section outer wall is provided with screw thread.
4, device for taking out broken nail as claimed in claim 1 is characterized in that, the internal diameter of described gripping section, external diameter are respectively greater than internal diameter, the external diameter of described thread segment.
5, device for taking out broken nail as claimed in claim 1 is characterized in that, described power input device is a locking handwheel of being located at described outer sleeve upper end.
6, device for taking out broken nail as claimed in claim 1 is characterized in that, described power input device is for being connected in the mechanical actuation device of described outer sleeve end by the power union joint.
7, device for taking out broken nail as claimed in claim 1, it is characterized in that, described anti-rotation handle upper end is provided with handle, this handle below is provided with connecting rod, this connecting rod by the handle section, be used for the linkage section of fixedlying connected and the changeover portion be located between handle section and the linkage section is formed with described inner sleeve, described handle section, linkage section and changeover portion are one-body molded, and the internal diameter of thread segment is complementary on described linkage section and the described inner sleeve, the diameter of described changeover portion is less than the internal diameter of described outer sleeve, and the diameter of described handle section is greater than the diameter of described changeover portion.
8, device for taking out broken nail as claimed in claim 7 is characterized in that, described linkage section is provided with and is used for the clamping structure that fixes mutually with described inner sleeve.
9, device for taking out broken nail as claimed in claim 8 is characterized in that, described clamping structure is a steady pin of being located at described link, and the thread segment of described inner sleeve is provided with the open slot that is complementary with described steady pin, and described steady pin is fastened in the described open slot.
10, device for taking out broken nail as claimed in claim 1 is characterized in that, circumferentially is evenly equipped with the expansion slot that several extend along the axis direction of described inner sleeve on described conical surface section, the gripping section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620134187 CN200963182Y (en) | 2006-10-27 | 2006-10-27 | Broken nail extraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620134187 CN200963182Y (en) | 2006-10-27 | 2006-10-27 | Broken nail extraction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963182Y true CN200963182Y (en) | 2007-10-24 |
Family
ID=38867192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620134187 Expired - Fee Related CN200963182Y (en) | 2006-10-27 | 2006-10-27 | Broken nail extraction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200963182Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054643A (en) * | 2012-12-25 | 2013-04-24 | 李书凡 | Broken nail extractor |
| CN104224250A (en) * | 2014-09-28 | 2014-12-24 | 丁轶人 | Special spleen lifter for laparoscope |
| CN106037925A (en) * | 2016-06-03 | 2016-10-26 | 烟台南山学院 | Trephine broken screw extractor |
| CN106511019A (en) * | 2016-12-14 | 2017-03-22 | 合肥工业大学 | Power-assisting device for incarcerated intramedullary nail removal operation |
| CN106881687A (en) * | 2015-12-16 | 2017-06-23 | 信义玻璃(天津)有限公司 | Blind hole bearing withdrawing device |
| CN107753097A (en) * | 2017-11-22 | 2018-03-06 | 安徽普生源生物科技有限公司 | Orthopedic nail taking device and using method thereof |
| CN108338827A (en) * | 2018-03-15 | 2018-07-31 | 无锡圣诺亚科技有限公司 | Easily take out screw device |
| CN109276306A (en) * | 2018-11-05 | 2019-01-29 | 中国人民解放军第二军医大学第二附属医院 | A kind of withdrawing device of depth fracture bone nail |
| CN112155710A (en) * | 2020-09-17 | 2021-01-01 | 杨泽华 | Nail taking device for orthopedics department |
-
2006
- 2006-10-27 CN CN 200620134187 patent/CN200963182Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054643A (en) * | 2012-12-25 | 2013-04-24 | 李书凡 | Broken nail extractor |
| CN103054643B (en) * | 2012-12-25 | 2014-11-26 | 李书凡 | Broken nail extractor |
| CN104224250A (en) * | 2014-09-28 | 2014-12-24 | 丁轶人 | Special spleen lifter for laparoscope |
| CN106881687A (en) * | 2015-12-16 | 2017-06-23 | 信义玻璃(天津)有限公司 | Blind hole bearing withdrawing device |
| CN106037925A (en) * | 2016-06-03 | 2016-10-26 | 烟台南山学院 | Trephine broken screw extractor |
| CN106511019A (en) * | 2016-12-14 | 2017-03-22 | 合肥工业大学 | Power-assisting device for incarcerated intramedullary nail removal operation |
| CN107753097A (en) * | 2017-11-22 | 2018-03-06 | 安徽普生源生物科技有限公司 | Orthopedic nail taking device and using method thereof |
| CN108338827A (en) * | 2018-03-15 | 2018-07-31 | 无锡圣诺亚科技有限公司 | Easily take out screw device |
| CN109276306A (en) * | 2018-11-05 | 2019-01-29 | 中国人民解放军第二军医大学第二附属医院 | A kind of withdrawing device of depth fracture bone nail |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200963182Y (en) | Broken nail extraction apparatus | |
| CN209661776U (en) | Convenient for taking out the orthopedic nail extractor of broken nail | |
| CN206333960U (en) | A kind of extractor for bone-pin | |
| CN202429976U (en) | Clamping body for rotary cap pulling device | |
| CN1827057A (en) | Muscle separation device for endoscopic thyroid surgery | |
| CN204931828U (en) | A kind of way of escape spinal fixation system | |
| CN202223334U (en) | Spinal screw feeder | |
| CN203677240U (en) | Nail taking device used in orthopaedics department | |
| CN207152655U (en) | A kind of universal handle for clamping neurosurgery microinstrument | |
| CN214611439U (en) | Multi-claw linkage clamping jaw device suitable for cap screwing machine and cap screwing machine | |
| CN201609405U (en) | Needle withdrawing device | |
| CN2169383Y (en) | Screw intramedullary pin extractor | |
| CN211355833U (en) | General broken nail extractor | |
| CN102502462B (en) | Uncapping device for multiple test tube caps | |
| CN210784621U (en) | Bone stretching device | |
| CN211657856U (en) | Plastic products is with selling show stand | |
| CN114159121A (en) | Lithotripsy and calculus removing device for hepatobiliary surgery | |
| CN2285638Y (en) | Repositor for internal fixation of fracture of tubular bone | |
| CN219782702U (en) | Oral cavity plastic stretch device | |
| CN2749631Y (en) | Pneumatic pin pulling head | |
| CN1253298C (en) | Mould locking device of injection shaping machine | |
| CN219846736U (en) | Medical metal bone screw convenient to demolish | |
| CN2253187Y (en) | Automatic locking pressure internal fixation intramedullary nail | |
| CN2860498Y (en) | Injection propelling aid | |
| CN219279448U (en) | Bottle body and bottle cap cooperative operation platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20111027 |