CN202154742U - Bone-setting nail extractor for orthopedics department - Google Patents
Bone-setting nail extractor for orthopedics department Download PDFInfo
- Publication number
- CN202154742U CN202154742U CN2011201711341U CN201120171134U CN202154742U CN 202154742 U CN202154742 U CN 202154742U CN 2011201711341 U CN2011201711341 U CN 2011201711341U CN 201120171134 U CN201120171134 U CN 201120171134U CN 202154742 U CN202154742 U CN 202154742U
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- CN
- China
- Prior art keywords
- sleeve
- bone
- face
- sliding block
- extractor
- 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 relates to a bone-setting nail extractor for an orthopedics department, belonging to the technical field of medical instruments. The extractor is composed of a sleeve, a sliding block, a hand wheel, a screw, a bearing and a screwdriver rod and characterized in that mutually symmetrical handles are respectively and vertically fixed above the left side and the right side of the upper end of the square sleeve with the sliding block inside; the screw with the hand wheel at the upper end is in threaded connection in a central hole on the upper end face of the sleeve; the lower end of the screw is connected with a bearing inner sleeve fixed at the upper end face of the sliding block; the screwdriver rod is connectedly fixed in the centre of the lower end face of the sliding block; a semi-circular through hole communicated with the inner cavity of the sleeve is arranged at the lower end of the front side of the sleeve; a U-shaped nick corresponding to the screwdriver rod is arranged in the middle of the front end face at the bottom of the sleeve; the extractor is simple in structure and simple and convenient to operate; the screwdriver rod and a bone-setting nail are engaged tightly; the bone-setting nail can be easily extracted by rotating the sleeve; the extract saves time and force; and patient pain can be reduced.
Description
Technical field
This utility model belongs to technical field of medical instruments, and specifically a kind of orthopaedics is used the synthetism nail extractor.
Background technology
Synthetism steel plate, synthetism nail internal fixation are the main means of treatment fracture, treat to take out internal fixation after the union of fracture.The taking-up of the nail of synthetism at present mainly is use screwdriver, is directly proportional because the power of screwdriver when screwing out the synthetism nail and screwdriver withstand on the power that synthetism nails on, and therefore when meeting the synthetism nail that difficulty gets, just relatively requires great effort, and the people that strength is little often is difficult to reach.Simultaneously owing to skid repeatedly, wear and tear, the nail groove of synthetism nail also is destroyed easily, makes that the nail groove shoals, broadening, more is difficult to the synthetism nail is taken out.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of and can make screwdriver and synthetism clench close the combination, and the orthopaedics of fast the synthetism nail being back-outed is used the synthetism nail extractor.
The purpose of this utility model is achieved in that this orthopaedics is made up of sleeve, slide block, handwheel, screw rod, bearing, screwdriver knife bar with the synthetism nail extractor; Inside is provided with above the left and right sides, square sleeve upper end of slide block respectively vertical fixing and symmetrical handle; Sleeve upper surface centre bore female thread is connecting the screw rod that the upper end is provided with handwheel; The screw rod lower end links to each other with the bearing inner sleeve that is fixed on the upper end of slide block face, and center, slide block lower surface connects is fixing the screwdriver knife bar; Lower end, sleeve front side is provided with the semi-circular through hole that communicates with barrel bore, and the front end face middle part is provided with and screwdriver knife bar corresponding " U " v notch v at the bottom of the sleeve tube.
During use; The synthetism nail that at first appears internal fixation; After screwing out segment screw earlier; " U " v notch v above at the bottom of the sleeve tube is stuck on the nail bar of synthetism ailing subfacies again, rotates handwheel then and screwdriver knife bar lower end brute force is pressed in the nail groove of synthetism ailing head, the handle turnbarrel of holding the sleeve upper end then just can easily take out the synthetism nail.
The advantage of this utility model: simple in structure, easy and simple to handle, between screwdriver knife bar and the synthetism nail interlock tight, turnbarrel just can take out the synthetism nail easily, and is time saving and energy saving, can alleviate the patient suffering.
Description of drawings
Accompanying drawing 1 is the front view of this utility model.
Accompanying drawing 2 is the A----A cutaway view in the accompanying drawing 1.
The specific embodiment
Describe in further detail below in conjunction with accompanying drawing 1,2 pairs of this utility model of accompanying drawing: this orthopaedics is made up of sleeve 1, slide block 2, handwheel 3, screw rod 4, bearing 5, screwdriver knife bar 6 with the synthetism nail extractor; Inside is provided with above the left and right sides, square sleeve 1 upper end of slide block 2 respectively vertical fixing and symmetrical handle 7; Sleeve 1 upper surface centre bore female thread is connecting the screw rod 4 that the upper end is provided with handwheel 3; Screw rod 4 lower ends link to each other with the bearing that is fixed on slide block 2 upper surfaces 5 interior covers, and center, slide block 2 lower surface connects is fixing screwdriver knife bar 6; Lower end, sleeve 1 front side is provided with the semi-circular through hole 8 that communicates with sleeve 1 inner chamber, and the front end face middle part is provided with and screwdriver knife bar 6 corresponding " U " v notch v 9 at the bottom of 1 in the sleeve.
Claims (1)
1. an orthopaedics is used the synthetism nail extractor; Form by sleeve (1), slide block (2), handwheel (3), screw rod (4), bearing (5), screwdriver knife bar (6); It is characterized in that inside is provided with above the left and right sides, the square sleeve of slide block (2) (1) upper end respectively vertical fixing and symmetrical handle (7); Sleeve (1) upper surface centre bore female thread is connecting the screw rod (4) that the upper end is provided with handwheel (3); Screw rod (4) lower end links to each other with the interior cover of the bearing (5) that is fixed on slide block (2) upper surface, and slide block (2) center, lower surface connects is fixing screwdriver knife bar (6); Sleeve (1) lower end, front side is provided with the semi-circular through hole (8) that communicates with sleeve (1) inner chamber, and sleeve (1) tube end front end face middle part is provided with and screwdriver knife bar (6) corresponding " U " v notch v (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201711341U CN202154742U (en) | 2011-05-26 | 2011-05-26 | Bone-setting nail extractor for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201711341U CN202154742U (en) | 2011-05-26 | 2011-05-26 | Bone-setting nail extractor for orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202154742U true CN202154742U (en) | 2012-03-07 |
Family
ID=45762396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201711341U Expired - Fee Related CN202154742U (en) | 2011-05-26 | 2011-05-26 | Bone-setting nail extractor for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202154742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374735A (en) * | 2017-07-31 | 2017-11-24 | 成都中科博恩思医学机器人有限公司 | Transmission component, the operating theater instruments of operating robot and operating robot |
-
2011
- 2011-05-26 CN CN2011201711341U patent/CN202154742U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374735A (en) * | 2017-07-31 | 2017-11-24 | 成都中科博恩思医学机器人有限公司 | Transmission component, the operating theater instruments of operating robot and operating robot |
| CN107374735B (en) * | 2017-07-31 | 2021-07-20 | 成都博恩思医学机器人有限公司 | Transmission assembly, surgical instrument of surgical robot and surgical robot |
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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: 20120307 Termination date: 20120526 |