CN208525031U - Inverted tension type intramedullary nail device for taking out broken nail - Google Patents
Inverted tension type intramedullary nail device for taking out broken nail Download PDFInfo
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- CN208525031U CN208525031U CN201720840012.4U CN201720840012U CN208525031U CN 208525031 U CN208525031 U CN 208525031U CN 201720840012 U CN201720840012 U CN 201720840012U CN 208525031 U CN208525031 U CN 208525031U
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- intramedullary nail
- broken nail
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Abstract
The utility model relates to the field of medical instrument technology more particularly to a kind of inverted tension type intramedullary nail device for taking out broken nail, comprising: sliding hammer component, work sleeve and operation marrow core；The sleeve that works is used for the distalmost end that the inner cavity across intramedullary nail broken nail reaches intramedullary nail broken nail；Operation marrow core is slideably positioned in work sleeve, and the free end of operation marrow core is provided with the elastic card claw for catching on intramedullary nail broken nail distalmost end outer wall；Sliding hammer component is removably mounted to end of the work sleeve far from intramedullary nail broken nail.The sleeve that works is extend into pulp cavity and is passed through the distalmost end that broken nail chamber reaches broken nail, it operates the sliding of marrow core and stretches out work sleeve, broken nail distalmost end end outer wall is caught in pop-up after elastic card claw stretches out work sleeve, and sliding hammer component stretches out the taking-up for realizing intramedullary nail broken nail.The inverted tension type intramedullary nail device for taking out broken nail structure is simple, strong operability, reduces the iatrogenic injury in clinical operating time and operation, also substantially reduces the radiation damage for medical worker.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of inverted tension type intramedullary nail device for taking out broken nail.
Background technique
Fracture is a kind of common surgery damage, and resetting, is fixed, healing is fractures trilogy, and fixed is then multiple
The link of forming a connecting link of position and healing.Reset effect is not only consolidated in good fixation, can also promote healing rate and quality.It is strong
Fracture site it is fixed can reduce wounded's pain, prevent the condition of the injury from aggravating, prevent from suffering a shock, protect inherent soft tissue, anti-hemostatic tube mind
Through equal further damage, convenient for clinical care, disability rate is reduced to the greatest extent.
Intramedullary nail is to fix medical instrument in a kind of common orthopaedics in treatment limbs fracture, and structure has intramedullary nail
Bar, is equipped with proximal end in medullary nailing rod proximal end and locks anti-rotation screw hole, static and dynamic locking screw hole is distally equipped with, in medullary nailing rod
Surface is provided with longitudinal groove.Intramedullary nailing has become the standard method of long bone shaft fracture treatment.
But when fracture delayed union, disunion or circuit ending pressure moment violence occur, since metal fatigue, violence are huge
The case where reasons such as big, intramedullary nail is broken, clinically also happens occasionally.For example treat femur and the fracture of fracture of tibia intramedullary nail
Common method be removal broken nail and replace larger diameter intramedullary nail, be inserted into one piece of unilateral side to broken nail distal end in particular by pulp cavity
Hook, then cavity is filled up retract taking-up broken nail with Kirschner wire.This method is complicated for operation, big using limitation, often goes out
The case where can not now taking out, and need to operate under X-ray line repeatedly, increase the risk that medical worker's body comes to harm.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of inverted tension type intramedullary nail device for taking out broken nail, solve marrow in the prior art
It is complicated, big using limitation that interior nail takes out tool operation, the case where can not taking out often occurs, and medical worker's body by
The big technical problem of the risk of injury.
On the one hand, a kind of inverted tension type intramedullary nail device for taking out broken nail provided by the utility model, comprising: sliding hammer component, work
Sleeve and operation marrow core；
The work sleeve is used to reach the distalmost end of the intramedullary nail broken nail across the inner cavity of intramedullary nail broken nail；The behaviour
Make marrow core to be slideably positioned in the work sleeve, the free end of the operation marrow core is provided with for catching on the intramedullary nail
The elastic card claw of broken nail distalmost end outer wall；
The sliding hammer component is removably mounted to the end of the work sleeve far from the broken nail.
As further technical solution, the work sleeve includes first sleeve, flexible steel in flat section tubing and the second casing, institute
Flexible steel in flat section tubing is stated to be connected between the first sleeve and second casing；The inner wall of the first sleeve and the operation
Marrow core is flexibly connected.
As further technical solution, the inner wall of the first sleeve is threadedly coupled with the operation marrow core.
As further technical solution, it is provided with fixture nut outside the first sleeve, for being stuck in the outside of pulp cavity
Wall.
As further technical solution, the operation marrow core includes marrow core ontology and work head；The marrow core ontology
First end is movably installed in the first sleeve, and the second end of the marrow core ontology is removably connected with work head；The elasticity
Claw is installed on the work head.
As further technical solution, the first end of the marrow core ontology is threadedly coupled with the first sleeve.
As further technical solution, the first end of the marrow core ontology is connected with operation portion.
As further technical solution, the second end of the marrow core ontology is threadedly coupled with the work head.
As further technical solution, the sliding hammer component includes sliding hammer and slide bar, and the weight slides are arranged and institute
It states on slide bar；The first end of the slide bar is provided with handle, the second end of the slide bar be provided with for the work sleeve
The connector being detachably connected.
As further technical solution, one end setting of the work sleeve far from the intramedullary nail broken nail is fluted,
The connector of the slide bar is provided with the protrusion being slidably matched with the groove.
A kind of inverted tension type intramedullary nail device for taking out broken nail provided by the utility model can reach it is following the utility model has the advantages that
Inverted tension type intramedullary nail device for taking out broken nail provided by the utility model includes: sliding hammer component, work sleeve and operation marrow
Core；The sleeve that works is used for the distalmost end that the inner cavity across intramedullary nail broken nail reaches intramedullary nail broken nail；Operation marrow core is slideably positioned in
It works in sleeve, the distal portion of operation marrow core is provided with the elastic card claw for catching on intramedullary nail broken nail distalmost end outer wall；Sliding hammer
Component is removably mounted to end of the work sleeve far from intramedullary nail broken nail.In use, work sleeve is extend into pulp cavity
Intramedullary nail broken nail is intracavitary and passes through the distalmost end that broken nail chamber reaches broken nail.Work sleeve is stretched out into operation marrow core sliding, operates marrow
The end outer wall of broken nail distalmost end is popped up and caught on after the elastic card claw stretching work sleeve of core free end.At this point, by sliding hammer
Component is installed on end of the work sleeve far from broken nail, falls back strength by sliding hammer and operation marrow core is driven to skid off, operation marrow core is remote
The elastic card claw of end exerts a force to the outer wall of broken nail, and the removal for operating marrow core takes broken nail out of pulp cavity, realizes intramedullary nail broken nail
It takes out.As can be seen that not only structure is simple, strong operability for inverted tension type intramedullary nail device for taking out broken nail provided by the utility model, it can
Greatly reduce the iatrogenic injury in the operating time and operation that intramedullary nail broken nail takes out in clinic, and during whole operation
The position for only needing a clear elastic card claw of X-ray examination, substantially reduces the radiation damage for medical worker.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of inverted tension type intramedullary nail device for taking out broken nail provided by the embodiment of the utility model；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the enlarged drawing of B in Fig. 1；
Fig. 4 is the enlarged drawing of C in Fig. 1；
Fig. 5 is that a kind of elastic card claw of inverted tension type intramedullary nail device for taking out broken nail provided in an embodiment of the present invention is in contraction-like
The structural schematic diagram of state.
Icon: 11- sliding hammer；12- slide bar；121- handle；21- first sleeve；211- fixture nut；22- is flexible
Connecting tube；The second casing of 23-；30- elastic card claw；31- marrow core ontology；312- operation portion；32- work head；4- bone；
5- intramedullary nail broken nail.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "vertical", " water
It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
The long bone (such as humerus, femur etc.) of bone is in elongated tubular, and center is the pulp cavity for accommodating marrow.Intramedullary nail with
When internal fix bone, it is arranged in the pulp cavity of bone.The structure of intramedullary nail has medullary nailing rod, is hollow structure.
The common mode for taking out intramedullary nail broken nail is by pulp cavity to one piece of unilateral hook of broken nail distal end insertion at present, then
Cavity is filled up with Kirschner wire and retracts taking-up broken nail.This method has shortcomings, is listed below.
Disadvantage one, which is inserted into special hook and seal wire in broken nail pulp cavity, and is in clinical broken nail taking-up operation
Implement in Limited exposure, the visual field is not enough, and generally requires to extend operative incision.And hook is not can guarantee in operation
It is fully filled with seal wire as an entirety, to guarantee that single hook plays a role, and operating process is time-consuming need to add seal wire repeatedly.
Disadvantage two, by single hook (i.e. single armed), reversely drawing takes out broken nail to the technology, and the arm of force is unbalanced in operation, occurs
Iatrogenic fracture may.Sometimes the arm of force is short, dynamics is not powerful enough, can not take out broken nail.
Disadvantage three, the possibility for having distal clevis that can not tangle broken nail outer wall in operating process, to can not play a role.
Disadvantage four, the technology need to be carried out repeatedly, under long-time X-ray examination, grievous injury medical personnel's health.
Disadvantage five, since technology distal end is only controlled by single hook, and the outside diameter wall of broken nail is very thin, and occurring slippage can
Can, lead to not take out.
Disadvantage six, when there is osseous abnomalit in intramedullary cavity, out-of-flatness, step sign, which can not reach broken nail position,
And reversely to take out strength inadequate for single hook, it is difficult to take out broken nail.
Disadvantage seven, if patient is that intramedullary nail is broken long period hospitalier, broken nail locally may occur in which bone dissolution, bone welding,
Single hook is taken out entirely without possible.
Disadvantage eight, the technology is as there is intramedullary nail card pressure serious person in clinic, proximal end operating force is not powerful enough, Wu Faqu
Out.
In order to solve disadvantages described above in the prior art, inverted tension type intramedullary nail device for taking out broken nail provided by the utility model
It can extend into the cavity of broken nail, broken nail distalmost end outer wall caught on, so that broken nail be pulled out.
Specifically, referring to Fig.1-5, a kind of inverted tension type intramedullary nail device for taking out broken nail provided by the embodiment of the utility model, it is main
It to include sliding hammer component, work sleeve and operation three parts of marrow core；Wherein, work sleeve is used for across intramedullary nail broken nail 5
The distalmost end of inner cavity arrival intramedullary nail broken nail 5；Operation marrow core is slideably positioned in work sleeve, and the free end of operation marrow core is set
It is equipped with the elastic card claw 30 for catching on 5 distalmost end outer wall of intramedullary nail broken nail；It is remote that sliding hammer component is removably mounted to work sleeve
The end of detachment nail.
Operation marrow core is movably set in work sleeve, being capable of opposite work sleeve sliding.When in unused state, behaviour
Make marrow core to be hidden in work sleeve, the elastic card claw 30 positioned at operation marrow core free end is in contraction state, is also hidden in work
Make in sleeve, convenient for storage.When work, operation marrow core is skidded off along the inner wall of work sleeve, and elastic card claw 30 is released opening,
The claw of opening is used to catch on the outer wall of intramedullary nail broken nail 5.
It should be noted that operation marrow core is slideably positioned in work sleeve, it is flexibly connected with work sleeve, operates marrow core
Free end refer to close to one end of 5 distalmost end of intramedullary nail broken nail.
Specifically, during the work time, will work sleeve extend into the intramedullary nail broken nail 5 in pulp cavity it is intracavitary and pass through broken nail
The distalmost end of chamber arrival broken nail.It is observed under C-arm, work sleeve is stretched out into operation marrow core sliding, operates marrow core free end
Elastic card claw 30 stretch out work sleeve after open and catch on the end outer wall of broken nail distalmost end.At this point, sliding hammer component is installed
In work end of the sleeve far from broken nail, pulling force is applied to sliding hammer component, work sleeve is skidded off with operation marrow core, operates marrow core
The elastic card claw 30 of free end exerts a force to the outer wall of broken nail, and the removal for operating marrow core takes broken nail out of pulp cavity, realizes intramedullary nail
The taking-up of broken nail 5.As can be seen that not only structure is simple, operates for inverted tension type intramedullary nail device for taking out broken nail provided by the utility model
Property it is strong, the iatrogenic injury in the operating time and operation that intramedullary nail broken nail in clinic takes out, and entire behaviour can be greatly reduced
The position that the clear elastic card claw 30 of an X-ray examination is only needed during making, substantially reduces the radiation damage for medical worker.
Referring to Fig. 4-5, wherein elastic card claw 30 controls it by spring and opens and shrink.When elastic card claw 30 is located at work
When in sleeve, the stretching, extension of the inner wall limitation elastic card claw 30 for the sleeve that works, spring is in contraction state；When elastic card claw 30 stretches out
Work sleeve, and the ability release of spring savings, elastic card claw 30 flicks the distalmost end outer wall for catching on intramedullary nail broken nail 5.
It should be noted that the elastic card claw 30 in the present embodiment has the boss for catching on 5 outer wall of intramedullary nail broken nail,
After elastic card claw 30 stretches out work sleeve, which can pop up the distalmost end outer wall for blocking intramedullary nail broken nail 5.
Also, the outside of elastic card claw 30 has inclined-plane, stretches out work sleeve convenient for elastic card claw 30.
Specifically, work sleeve includes first sleeve 21, flexible steel in flat section tubing 22 and the second casing 23, and flexible steel in flat section tubing 22 connects
It is connected between first sleeve 21 and the second casing 23；The inner wall of first sleeve 21 is flexibly connected with operation marrow core.
Work sleeve mainly consists of three parts: first sleeve 21, flexible steel in flat section tubing 22 and the second casing 23, first sleeve
21 and second casing 23 connected by flexible steel in flat section tubing 22.First sleeve 21 and the second casing 23 ensure that the specific positioning of work
Implement with smooth, the pulp cavity that flexible steel in flat section tubing 22 between the two then makes total can adapt to different structure, is met in clinic
Crooked position can also be passed through in the case of to fracture site malunion, for the out-of-flatness of pulp cavity inside, step, metal welding
Connect, local bone dissolution situations such as equally can smoothly take out.
Wherein, to be fixedly connected between first sleeve 21 and flexible steel in flat section tubing 22, the second casing 23 and flexible steel in flat section tubing 22,
Specially metal welds.
In addition, the material of flexible steel in flat section tubing 22 is preferably recoverability memorial alloy.
Operation marrow core is flexibly connected with the operation marrow core that is specifically connected as the sleeve that works with the inner wall of first sleeve.
In use, work sleeve protrudes into pulp cavity and passes through 5 cavity of intramedullary nail broken nail, the first sleeve 21 for the sleeve that works
At least part exposes to outside bone 4, for installing sliding hammer component.Operation marrow core is flexibly connected with the inner wall of first sleeve 21,
It can facilitate implementation when needing operation marrow core stretching out work sleeve convenient for the movement of control operation marrow core.
Specifically, the inner wall of first sleeve 21 is to be threadedly coupled with operation marrow core.It is offered in the inner wall of first sleeve 21
Internal screw thread, the outer wall of one end that operation marrow core is used to connect with first sleeve 21 offer with above-mentioned internal screw thread match outside
Screw thread.
In use, can make to operate marrow core relative to work sleeve movement, to realize operation marrow by rotation process marrow core
The movement of core stretching work sleeve.
In addition, fixture nut 211 is provided with outside first sleeve 21, for being stuck in the lateral wall of pulp cavity.
In work, work sleeve is protruded into 4 pulp cavity of bone and is protruded into intramedullary nail broken nail 5, and one end of first sleeve is exposed
In bone 4, so as to installing and using for sliding hammer component.A part of first sleeve 21 is stuck in bone by the setting of fixture nut 211
Outside 4, facilitate installation sliding hammer component.
Preferably, fixture nut 211 is movably set on 21 outer wall of first sleeve, 4 situation of bone that can be relatively different
Adjust the fixation position relative to 21 end of first sleeve.
Operation marrow core in the utility model embodiment includes marrow core ontology 31 and work head 32, and the first of marrow core ontology 31
End is movably installed in first sleeve 21, and the second end of marrow core ontology 31 is removably connected with work head 32；Elastic card claw 30 is installed
In work head 32.
Wherein, the first end with first sleeve 21 of marrow core ontology 31 is threadedly coupled, and marrow core ontology 31 is along work sleeve
Chamber extends, and second end is connected with work head 32, and elastic card claw 30 is installed in work head 32.When one end of marrow core ontology 31 is along spiral shell
Line rotation, marrow core ontology 31 are moved along the inner cavity of work sleeve, when the removal work sleeve of marrow core ontology 31, are installed on work head 32
Elastic card claw 30 be released, claw catches on the outer wall of intramedullary nail broken nail 5.
The material of marrow core ontology 31 is preferably recoverability memorial alloy.
Wherein, the first end with first sleeve 21 of marrow core ontology 31 is threadedly coupled.
For the first end of marrow core ontology 31 for being threadedly coupled with first sleeve 21, outer wall is provided with external screw thread, first set
The inner wall of pipe 21 is provided with the internal screw thread to match with external screw thread.
In addition, the first end of marrow core ontology 31 is connected with operation portion 312.The operation portion 312 is specially interior hexagonal double-ended bolt.
In use, operation portion 312 can be exposed to outside bone 4, and medical worker exerts a force to operation portion 312, make operation portion
312 rotations, and then marrow core ontology 31 threadingly rotates, and realizes the sliding of the opposite work sleeve of operation marrow core.
Wherein, be connected through a screw thread between the second end and work head 32 of marrow core ontology 31, and.It is arranged in work head 32
There is the installation nut being threadedly engaged with stud, stud and installation nut cooperation realize that the installation of marrow core ontology 31 and work head 32 connects
It connects.
To be detachably connected between work head 32 and marrow core ontology 31, for the intramedullary nail of different size, can be convenient more
The work head 32 of corresponding different size is changed, so that inverted tension type intramedullary nail device for taking out broken nail provided by the utility model has
There is the extensive scope of application.
Sliding hammer component in inverted tension type intramedullary nail device for taking out broken nail provided by the utility model embodiment includes sliding hammer 11
With slide bar 12,11 sliding sleeve of sliding hammer is set on slide bar 12；The first end of slide bar 12 is provided with handle 121, the second end of slide bar 12
It is provided with the connector for being detachably connected with work sleeve.
The second end of slide bar 12 is connected to 21 free end of first sleeve of work sleeve, when work sleeve protrudes into bone 4
In pulp cavity, and the inner cavity for passing through intramedullary nail broken nail 5 will be slided after elastic card claw 30 catches on the distalmost end outer wall of intramedullary nail broken nail 5
Hammer component is installed on the free end of first sleeve 21, i.e. the connector of slide bar 12 realizes the connection with first sleeve 21.
After installing sliding hammer component, one of medical worker is hand-tight to hold sliding hammer 11, and the hand-tight handle 121 of another is towards remote
Direction from work sleeve stretches, and slide bar 12 will remove the pulp cavity of bone 4 with work sleeve.Positioned at the work sleeve other end
Elastic card claw 30 catches on intramedullary nail broken nail 5, and intramedullary nail broken nail 5 is pulled out, and realizes the taking-up operation of intramedullary nail broken nail 5.
To be detachably connected between slide bar 12 and work sleeve, specifically, work the one end of sleeve far from intramedullary nail broken nail 5
Periphery setting it is fluted, the connector of slide bar 12 be provided with groove cooperation it is inwardly protruding, the groove and protrusion are slidably matched.
Sliding hammer component is detachably connected with work sleeve, on the one hand facilitates the receipts of inverted tension type intramedullary nail device for taking out broken nail
On the other hand storage of receiving facilitates the control to the opposite work sleeve sliding of operation marrow core.
In conclusion not only structure is simple, strong operability for inverted tension type intramedullary nail device for taking out broken nail provided by the utility model,
The iatrogenic injury in the operating time and operation that intramedullary nail broken nail takes out in clinic, and whole operation process can be greatly reduced
In only need the position of a clear work head of X-ray examination, to substantially reduce the radiation damage for medical worker.Also, due to
The design for disassembly of its more part can adapt to various clinical demand, be with a wide range of applications.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of inverted tension type intramedullary nail device for taking out broken nail characterized by comprising sliding hammer component, work sleeve and operation marrow core；
The work sleeve is used to reach the distalmost end of the intramedullary nail broken nail across the inner cavity of intramedullary nail broken nail；The operation marrow
Core is slideably positioned in the work sleeve, and the free end of the operation marrow core is provided with for catching on the intramedullary nail broken nail
The elastic card claw of distalmost end outer wall；
The sliding hammer component is removably mounted to end of the work sleeve far from the intramedullary nail broken nail.
2. inverted tension type intramedullary nail device for taking out broken nail according to claim 1, which is characterized in that the work sleeve includes the
Sleeve, flexible steel in flat section tubing and the second casing, the flexible steel in flat section tubing be connected to the first sleeve and second casing it
Between；The inner wall of the first sleeve is flexibly connected with the operation marrow core.
3. inverted tension type intramedullary nail device for taking out broken nail according to claim 2, which is characterized in that the inner wall of the first sleeve
It is threadedly coupled with the operation marrow core.
4. inverted tension type intramedullary nail device for taking out broken nail according to claim 2, which is characterized in that be arranged outside the first sleeve
There is fixture nut, for being stuck in the lateral wall of pulp cavity.
5. inverted tension type intramedullary nail device for taking out broken nail according to claim 2, which is characterized in that the operation marrow core includes marrow
Core ontology and work head；The first end of the marrow core ontology is movably installed in the first sleeve, and the second of the marrow core ontology
End is removably connected with work head；The elastic card claw is installed on the work head.
6. inverted tension type intramedullary nail device for taking out broken nail according to claim 5, which is characterized in that the first of the marrow core ontology
End is threadedly coupled with the first sleeve.
7. inverted tension type intramedullary nail device for taking out broken nail according to claim 6, which is characterized in that the second of the marrow core ontology
End is connected with operation portion.
8. inverted tension type intramedullary nail device for taking out broken nail according to claim 5, which is characterized in that the second of the marrow core ontology
End is threadedly coupled with the work head.
9. inverted tension type intramedullary nail device for taking out broken nail according to claim 1 to 8, which is characterized in that the cunning
Hammer component includes sliding hammer and slide bar, the weight slides be arranged on the slide bar；The first end of the slide bar is provided with handle,
The second end of the slide bar is provided with the connector for being detachably connected with the work sleeve.
10. inverted tension type intramedullary nail device for taking out broken nail according to claim 9, which is characterized in that the work sleeve is separate
The intramedullary nail broken nail one end setting it is fluted, the connector of the slide bar be provided be slidably matched with the groove it is convex
It rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840012.4U CN208525031U (en) | 2017-07-12 | 2017-07-12 | Inverted tension type intramedullary nail device for taking out broken nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840012.4U CN208525031U (en) | 2017-07-12 | 2017-07-12 | Inverted tension type intramedullary nail device for taking out broken nail |
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| Publication Number | Publication Date |
|---|---|
| CN208525031U true CN208525031U (en) | 2019-02-22 |
Family
ID=65398152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720840012.4U Active CN208525031U (en) | 2017-07-12 | 2017-07-12 | Inverted tension type intramedullary nail device for taking out broken nail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184269A (en) * | 2017-07-12 | 2017-09-22 | 王丰岩 | Inverted tension type intramedullary nail device for taking out broken nail |
| CN113520567A (en) * | 2021-08-05 | 2021-10-22 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
-
2017
- 2017-07-12 CN CN201720840012.4U patent/CN208525031U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184269A (en) * | 2017-07-12 | 2017-09-22 | 王丰岩 | Inverted tension type intramedullary nail device for taking out broken nail |
| CN107184269B (en) * | 2017-07-12 | 2024-04-19 | 王丰岩 | Reverse tension type intramedullary nail broken nail extractor |
| CN113520567A (en) * | 2021-08-05 | 2021-10-22 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
| CN113520567B (en) * | 2021-08-05 | 2022-06-03 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
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