CN203263522U - Novel bone needle extractor - Google Patents
Novel bone needle extractor Download PDFInfo
- Publication number
- CN203263522U CN203263522U CN2013203188507U CN201320318850U CN203263522U CN 203263522 U CN203263522 U CN 203263522U CN 2013203188507 U CN2013203188507 U CN 2013203188507U CN 201320318850 U CN201320318850 U CN 201320318850U CN 203263522 U CN203263522 U CN 203263522U
- Authority
- CN
- China
- Prior art keywords
- bone nail
- screw
- screw rod
- novel
- bone needle
- 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
- Finger-Pressure Massage (AREA)
Abstract
Provided is a novel bone needle extractor. The novel bone needle extractor comprises a support, a bone needle used for fixing a steel plate and a screwdriver head used for extracting the bone needle. The upper end of the support is provided with a sleeve, wherein the inner wall of the sleeve is provided with threads. The sleeve is connected with a screw via the threads. The upper end of the screw is provided with a handle. The lower end of the screw is clamped on the screwdriver head via small grooves distributed uniformly on the inner wall of the screw. The screwdriver head applies forces on the bone nail. The upper portion of the screw is provided with clamp arms in a movable mode and the clamp arms are fixed on the screw via a fixing member. The lower end of the clamp arms is provided with jaw heads in a movable mode, and the jaw heads apply forces on a needle cap of the bone needle. The novel bone needle extractor is reasonable in structural design and ingenious and novel in method; and is convenient to extract the bone needle; and is easy in popularization and application. The screwdriver head is clamped on the screw so that the screwdriver can be replaced with different screwdrivers, thereby bring convenience for doctors. Furthermore, cross infection can be effectively avoided by adopting the disposable jaw heads.
Description
Technical field:
This utility model relates to the medical instruments technical field, refers in particular to a kind of Novel bone nail extractor.
Background technology:
Be fixedly the Main Means for the treatment of fracture in steel plate, bone nail, when carrying out surgical operation, often need with steel plate, the skeleton that disconnects is linked together and fixes, steel plate is fixed on skeleton by bone nail.Steel plate and bone nail are in vivo after a period of time, due to effects such as the corrosion of body fluid and misoperations, when taking out bone nail, between screwdriver and bone nail, interlock is tight not, repeatedly skid, wear and tear, usually make the nail groove of bone nail destroyed, make the nail groove shoal, broadening, in the situation that the patient is not produced injury, adopt existing instrument to be difficult to bone nail is taken out.
The utility model content:
The purpose of this utility model patent is to overcome the deficiency that exists in above-mentioned technology, and a kind of Novel bone nail extractor is provided.
the purpose of this utility model realizes as follows: a kind of Novel bone nail extractor, comprise support, for the bone nail of fixation steel plate with for the driver bit that takes out bone nail, it is characterized in that: the support upper end is provided with the threaded sleeve of inner wall belt, be threaded connection screw rod in sleeve, the screw rod upper end is provided with the hands handle, the screw rod lower end is connected with driver bit by the little groove that is evenly distributed on the screw rod inwall, driver bit acts on bone nail, the screw rod top movable is provided with jig arm, and by fixture, jig arm is fixed on screw rod, the jig arm lower end is movably equipped with the claw head, the claw head acts on the bone nail head of a nail.
Described handle is provided with massage convex point.
Described support lower end is provided with sole.
Described claw head is the disposable hard plastic.
The beneficial effects of the utility model are: when steel nail takes out, sole is supported on steel plate, driver bit is positioned on the groove of the head of a nail, then the claw head is placed bone nail head of a nail below and by fixture, it clamped, then rotary handle can take out nail.In addition, because driver bit is connected on screw rod, be convenient to change different screwdrivers, for the doctor facilitates, the claw head of one more can effectively avoid the phenomenon of cross infection to occur, and structure is reasonable in design, and the novelty that is skillfully constructed is easy to apply.
Description of drawings:
Fig. 1 is this utility model structural representation.
The specific embodiment:
with reference to Fig. 1, a kind of Novel bone nail extractor, comprise support 4, for the bone nail 10 of fixation steel plate with for the driver bit 7 that takes out bone nail 10, support 4 upper ends are provided with the threaded sleeve 2 of inner wall belt, be threaded connection screw rod 3 in sleeve 2, screw rod 3 upper ends are provided with handle 1, screw rod 3 lower ends are connected with driver bit 7 by the little groove that is evenly distributed on screw rod 3 inwalls, driver bit 7 acts on bone nail 10, screw rod 3 top movable are provided with jig arm 6, and by fixture 5, jig arm 6 is fixed on screw rod 3, jig arm 6 lower ends are movably equipped with claw head 8, claw head 8 acts on bone nail 10 heads of a nail.Described handle 1 is provided with massage convex point, can prevent that doctor's long-time operation from feeling tired impact operation quality.Described support 4 lower ends are provided with sole 9.Described claw head 8 is the disposable hard plastic.When using this utility model, sole 9 is supported on steel plate, at first appear interior fixedly bone nail 10, after first screwing out part, then be stuck in claw below the head of a nail of bone nail 10, and clamp by fixation clamp, driver bit 7 brute forces are pressed in the groove of bone nail 10, and rotary handle 1 can take out bone nail 10 easily, can exchange at any time driver bit 7 in operating process, after taking out bone nail 10, unload disposable claw head 8 and get final product.Because driver bit 7 is connected on screw rod 3, be convenient to change the driver bit 7 of different model, for the doctor facilitates, the claw head 8 of one more can effectively avoid the phenomenon of cross infection to occur, structure is reasonable in design, and the novelty that is skillfully constructed is easy to apply.
Claims (4)
1. Novel bone nail extractor, comprise support, for the bone nail of fixation steel plate with for the driver bit that takes out bone nail, it is characterized in that: the support upper end is provided with the threaded sleeve of inner wall belt, be threaded connection screw rod in sleeve, the screw rod upper end is provided with the hands handle, the screw rod lower end is connected with driver bit by the little groove that is evenly distributed on the screw rod inwall, driver bit acts on bone nail, the screw rod top movable is provided with jig arm, and by fixture, jig arm is fixed on screw rod, the jig arm lower end is movably equipped with the claw head, the claw head acts on the bone nail head of a nail.
2. Novel bone nail extractor according to claim 1, it is characterized in that: described handle is provided with massage convex point.
3. Novel bone nail extractor according to claim 1 is characterized in that: described support lower end is provided with sole.
4. Novel bone nail extractor according to claim 1, it is characterized in that: described claw head is the disposable hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203188507U CN203263522U (en) | 2013-06-05 | 2013-06-05 | Novel bone needle extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203188507U CN203263522U (en) | 2013-06-05 | 2013-06-05 | Novel bone needle extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203263522U true CN203263522U (en) | 2013-11-06 |
Family
ID=49494031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203188507U Expired - Fee Related CN203263522U (en) | 2013-06-05 | 2013-06-05 | Novel bone needle extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203263522U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264704A (en) * | 2016-09-18 | 2017-01-04 | 无锡市第九人民医院 | Conical points sharp tackle head extractor for thread-stripping screws with press fastening device |
| CN106901826A (en) * | 2017-02-24 | 2017-06-30 | 中山弗雷德机械有限公司 | A kind of orthopaedics locating steel needle withdrawing device |
| CN107374718A (en) * | 2017-08-17 | 2017-11-24 | 温州市人民医院 | A kind of screw broken nail device for fetching nail |
-
2013
- 2013-06-05 CN CN2013203188507U patent/CN203263522U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264704A (en) * | 2016-09-18 | 2017-01-04 | 无锡市第九人民医院 | Conical points sharp tackle head extractor for thread-stripping screws with press fastening device |
| CN106264704B (en) * | 2016-09-18 | 2019-01-08 | 无锡市第九人民医院 | Conical points sharp tackle head extractor for thread-stripping screws with press fastening device |
| CN106901826A (en) * | 2017-02-24 | 2017-06-30 | 中山弗雷德机械有限公司 | A kind of orthopaedics locating steel needle withdrawing device |
| CN107374718A (en) * | 2017-08-17 | 2017-11-24 | 温州市人民医院 | A kind of screw broken nail device for fetching nail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203988383U (en) | Multi-functional head holder for neurosurgery | |
| CN203263522U (en) | Novel bone needle extractor | |
| CN202207202U (en) | Vertebral arch broken nail puller | |
| CN201642294U (en) | Orthopedics traction nail | |
| CN204520875U (en) | Minimally Invasive Surgery clamps | |
| CN202950718U (en) | Wire clamping tongs for department of orthopedics | |
| CN204016410U (en) | A kind of electric orthopedic curet | |
| CN202397640U (en) | Internal fixing device for constructing laboratory mouse femoral defect animal model | |
| CN202198641U (en) | Tumor holder | |
| CN201379641Y (en) | Orthopedic threaded nail | |
| CN201617904U (en) | Operating forceps for removing blood stasis in nails | |
| CN102451029A (en) | Straight-handle plum-blossom needle | |
| CN201642306U (en) | Bone screw removing device | |
| CN205083569U (en) | Puncture blade needle | |
| CN203493970U (en) | Adjustable liquid extractor support | |
| CN201168039Y (en) | Extractor of bone screw | |
| CN202568429U (en) | Novel nail-taking clamp for orthopedics | |
| CN201295282Y (en) | Orthopaedic gasket | |
| CN203885610U (en) | Orthopedic nail extracting device | |
| CN203988151U (en) | A kind of myeloid biopsy needle | |
| CN201108486Y (en) | Orthopaedics fixed clamp | |
| CN203988266U (en) | A kind of marrow puncture needle | |
| CN201631372U (en) | Dual-purpose orthopedic screwdriver | |
| CN202146361U (en) | Medical orthopaedic nail extractor | |
| CN202554080U (en) | Bone cutting pliers |
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: 20131106 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |