CN201286763Y - Orthopaedics cross-locking marrow nail evulsion device - Google Patents
Orthopaedics cross-locking marrow nail evulsion device Download PDFInfo
- Publication number
- CN201286763Y CN201286763Y CNU2008201763880U CN200820176388U CN201286763Y CN 201286763 Y CN201286763 Y CN 201286763Y CN U2008201763880 U CNU2008201763880 U CN U2008201763880U CN 200820176388 U CN200820176388 U CN 200820176388U CN 201286763 Y CN201286763 Y CN 201286763Y
- Authority
- CN
- China
- Prior art keywords
- setscrew
- slide bar
- intramedullary nail
- orthopaedics
- interlocking intramedullary
- 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
Abstract
The utility model discloses an orthopaedics interlocking intramedullary nail puller, which comprises a barrier nut, a slide bar, a rolling weight, an adapter sleeve, a setscrew threaded rod, a locknut matched with the setscrew threaded rod, an expansion tube provided with more than three open slots that are partitioned evenly, and a setscrew truncated cone. The expansion tube is positioned between the locknut and the setscrew truncated cone; the lower part of the adapter sleeve is in threaded connection with the setscrew threaded rod; the upper part of the adapter sleeve is detachably connected with the slide bar; the barrier nut is positioned at the top of the slide bar; and the rolling weight is sleeved on the slide bar positioned between the barrier nut and the adapter sleeve. By adopting the structure, the orthopaedics interlocking intramedullary nail puller can be applied to interlocking intramedullary nails produced by any factories, thereby facilitating the operation of medical personnel.
Description
Technical field
This utility model relates to medical apparatus and instruments, relates in particular to orthopaedics interlocking intramedullary nail extractor.
Background technology
The orthopaedics fixing operation often uses in the interlocking intramedullary nail implant patient bone, need operation to take out interlocking intramedullary nail after patient's union of fracture, existing interlocking intramedullary nail extractor has the screw rod adaptive with the interlocking intramedullary nail tail pipe, when getting nail, the screw rod of interlocking intramedullary nail extractor head need be screwed in the interlocking intramedullary nail tail pipe, interlocking intramedullary nail and interlocking intramedullary nail extractor are linked together.Use the interlocking intramedullary nail of a plurality of different manufacturers because of hospital, even same model, interlocking intramedullary nail extractor tail pipe internal diameter and female thread are often also inequality, therefore, the interlocking intramedullary nail extractor is supporting by producer usually, can not be suitable for mutually, doing for patient when getting tack operation, just must get the manufacturer and the specification of interlocking intramedullary nail clear, use supporting interlocking intramedullary nail extractor, often can not understand fully because of various reasons and can't perform the operation.
The utility model content
Technical problem to be solved in the utility model is: a kind of orthopaedics interlocking intramedullary nail extractor is provided, and this orthopaedics interlocking intramedullary nail extractor can be suitable for the interlocking intramedullary nail of different manufacturers and specification, thereby makes things convenient for the medical worker to undergo surgery.
Solve this technical problem, the technical solution of the utility model is: a kind of orthopaedics interlocking intramedullary nail extractor, it is by stopping nut, slide bar, sliding hammer, joint sleeve, the setscrew screw rod, the locking nut that cooperates with the setscrew screw rod, the expansion tube and the setscrew round platform that have the open slot of dividing equally more than three are formed, described expansion tube is between locking nut and setscrew round platform, the bottom of described joint sleeve is connected with the setscrew screw flight, the top and the slide bar of joint sleeve removably connect, stop that nut is positioned at the top of slide bar, described sliding hammer is placed on the slide bar that stops between nut and the joint sleeve.
Described expansion tube has four open slots of dividing equally.
The top of described joint sleeve is threaded with slide bar.
This utility model orthopaedics interlocking intramedullary nail extractor adopts such structure, goes for the interlocking intramedullary nail of any producer, thereby makes things convenient for the medical worker to undergo surgery.
Description of drawings
Below in conjunction with accompanying drawing this utility model orthopaedics interlocking intramedullary nail extractor is done explanation in further detail:
Fig. 1 is the structural representation of this utility model orthopaedics interlocking intramedullary nail extractor;
In Fig. 1,1, stop nut; 2, slide bar; 3, sliding hammer; 4, joint sleeve; 5, setscrew screw rod; 6, locking nut; 7, expansion tube; 8, open slot; 9, setscrew round platform.
The specific embodiment
As shown in Figure 1, orthopaedics interlocking intramedullary nail extractor is by stopping nut 1, slide bar 2, sliding hammer 3, joint sleeve 4, setscrew screw rod 5, locking nut 6, expansion tube 7 and setscrew round platform 9 are formed, the bottom of expansion tube 7 has four open slots 8 dividing equally, locking nut 6 cooperates with setscrew screw rod 5, expansion tube 7 is between locking nut 6 and setscrew round platform 9, the bottom of joint sleeve 4 is threaded with setscrew screw rod 5, the top of joint sleeve 4 is threaded with slide bar 2, the top of slide bar 2 has the nut of stopping 1, and sliding hammer 3 is placed on the slide bar 2 that stops between nut 1 and the joint sleeve 4.
Setscrew round platform 9 ends with orthopaedics interlocking intramedullary nail extractor during use insert in the interlocking intramedullary nail tail pipe, rotational lock nut 6, make locking nut 6 descending along setscrew screw rod 5,9 embeddings of setscrew round platform are had in the expansion tube 7 of four open slots, expansion tube 7 expands, diameter increases, and is stuck in tightly in the interlocking intramedullary nail tail pipe.Hand-held sliding hammer 3 upwards impacts along slide bar 2 and stops nut 1, and the active force of making progress for the interlocking intramedullary nail extractor is extracted interlocking intramedullary nail.Such interlocking intramedullary nail extractor goes for the interlocking intramedullary nail of any producer, thereby makes things convenient for the medical worker to undergo surgery.
Claims (3)
1, a kind of orthopaedics interlocking intramedullary nail extractor, it is characterized in that: it is by stopping nut (1), slide bar (2), sliding hammer (3), joint sleeve (4), setscrew screw rod (5), the locking nut (6) that cooperates with setscrew screw rod (5), the expansion tube (7) and the setscrew round platform (9) that have the open slot of dividing equally more than three (8) are formed, described expansion tube (7) is positioned between locking nut (6) and the setscrew round platform (9), the bottom of described joint sleeve (4) is threaded with setscrew screw rod (5), the top of joint sleeve (4) and slide bar (2) removably connect, stop that nut (1) is positioned at the top of slide bar (2), described sliding hammer (3) is placed on the slide bar (2) that stops between nut (1) and the joint sleeve (4).
2, orthopaedics interlocking intramedullary nail extractor according to claim 1, it is characterized in that: described expansion tube (7) has four open slots of dividing equally (8).
3, orthopaedics interlocking intramedullary nail extractor according to claim 1 is characterized in that: the top of described joint sleeve (4) is threaded with slide bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201763880U CN201286763Y (en) | 2008-11-12 | 2008-11-12 | Orthopaedics cross-locking marrow nail evulsion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201763880U CN201286763Y (en) | 2008-11-12 | 2008-11-12 | Orthopaedics cross-locking marrow nail evulsion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286763Y true CN201286763Y (en) | 2009-08-12 |
Family
ID=40978432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201763880U Expired - Fee Related CN201286763Y (en) | 2008-11-12 | 2008-11-12 | Orthopaedics cross-locking marrow nail evulsion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286763Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252019A (en) * | 2011-07-04 | 2011-11-23 | 翟国防 | Expansion screw |
| CN104068926A (en) * | 2014-07-14 | 2014-10-01 | 朱敏 | Screw blade type pedicle screw and arranging device and using method thereof |
| CN113069198A (en) * | 2021-05-07 | 2021-07-06 | 北京力达康科技有限公司 | Novel nail puller |
-
2008
- 2008-11-12 CN CNU2008201763880U patent/CN201286763Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252019A (en) * | 2011-07-04 | 2011-11-23 | 翟国防 | Expansion screw |
| CN102252019B (en) * | 2011-07-04 | 2012-12-26 | 翟国防 | Expansion screw |
| CN104068926A (en) * | 2014-07-14 | 2014-10-01 | 朱敏 | Screw blade type pedicle screw and arranging device and using method thereof |
| CN113069198A (en) * | 2021-05-07 | 2021-07-06 | 北京力达康科技有限公司 | Novel nail puller |
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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: 20090812 Termination date: 20091214 |