CN205626076U - Intramedullary nail with lock - Google Patents
Intramedullary nail with lock Download PDFInfo
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- CN205626076U CN205626076U CN201620171294.9U CN201620171294U CN205626076U CN 205626076 U CN205626076 U CN 205626076U CN 201620171294 U CN201620171294 U CN 201620171294U CN 205626076 U CN205626076 U CN 205626076U
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- nail hole
- hole
- locking nail
- lock
- rivet nut
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Abstract
The utility model provides an intramedullary nail with lock, comprising a nail bod, the nail body is solid nail, the near -end of the nail body is equipped with vertical lock nail hole, horizontal lock nail hole and the lock nail hole that intersects, the distal end of the nail body is equipped with vertical lock nail hole and intersects lock nail hole, be equipped with the screw thread in vertical lock nail hole, horizontal lock nail hole and the intersection lock nail hole, hand over fork lock nail hole to comprise a lock nail hole, the 2nd lock nail hole and the 3rd lock nail hole, a lock nail hole, the 2nd lock nail hole and the 3rd lock nail hole are the through -hole and form equilateral triangle, friendship fork lock nail is downthehole to have the pinning to pass, there are pinning or block to pass respectively in vertical lock nail hole and the horizontal lock nail hole. Intramedullary nail with lock improved the application range of intramedullary nail, steadiness and clinical use security has improved.
Description
Technical field
This utility model belongs to orthopaedics medical instruments field, especially relates to a kind of intramedullary nail with lock.
Background technology
Intramedullary pin of the prior art, is used for clinically in the specific intramedullary pin for femur, tibia backbone stage casing fracture is performed the operation, including: nail rod, for elongated rod-like structure, constitute the main body of intramedullary pin, be inserted in skeleton；Fixing hole, is arranged in nail rod and runs through nail rod；Fixing nail, through above-mentioned fixing hole, by nail rod and skeletal fixation.The problems such as the fixing hole in nail rod in the prior art is unidirectional, it is impossible to adjust the direction of fixing nail according to practical situation, there is resistance when nail rod squeezes into medullary cavity big simultaneously, and location is inaccurate, and fixing fixed location is inaccurate.
Summary of the invention
In view of this, this utility model is directed to a kind of intramedullary nail with lock, to improve the range of intramedullary pin, improves steadiness and Clinical practice safety.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
Intramedullary nail with lock, including rivet nut, described rivet nut is solid nail, the near-end of described rivet nut is provided with longitudinal locking nail hole, laterally locking nail hole and the locking nail hole that intersects, the far-end of described rivet nut is provided with longitudinal locking nail hole and the locking nail hole that intersects, described longitudinal locking nail hole, laterally it is provided with screw thread in locking nail hole and intersection locking nail hole, described intersection locking nail hole is by the first locking nail hole, second locking nail hole and the 3rd locking nail hole composition, first locking nail hole, second locking nail hole and the 3rd locking nail hole are through hole and composition equilateral triangle, pinning is had to pass in described intersection locking nail hole, pinning or block is had to pass respectively in described longitudinal locking nail hole and horizontal locking nail hole.
Further, described rivet nut one end is provided with cone, and the described rivet nut other end is provided with pressurization hole, is provided with pressing means in described pressurization hole, and described pressing means is threadeded with pressurization hole, and described pressurization hole connects with the locking nail hole that intersects of rivet nut far-end.
Further, described pressing means by pressurizeing main body and add pressure cap and form, described in add pressure cap upper surface and be provided with cross or yi word pattern groove, described in add pressure cap lateral wall and be provided with coarse thread, described pressurization main body lateral wall is provided with fine thread.
Further, the rivet nut lateral wall of described block is provided with screw thread, and screw thread is suitable with the screw thread in longitudinal locking nail hole or horizontal locking nail hole.
Further, the material of described rivet nut, pinning and block is Ti-6Al-4V.
Further, the material of described rivet nut, pinning and block is Ti-6Al-7Nb.
Further, the material of described rivet nut, pinning and block is 00Cr18Ni14Mo3.
Relative to prior art, intramedullary nail with lock described in the utility model has the advantage that
Intramedullary nail with lock simple in construction of the present invention, easy for installation, applied widely, rivet nut is provided with intersection locking nail hole, uses motility strong, it is provided with pressurization hole, fixing steadiness by force with bone marrow, rivet nut far-end is cone, reduces the resistance during rivet nut squeezes into medullary cavity, Clinical practice safety is high, reduces operation risk.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the rivet nut structural representation described in this utility model embodiment；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the structural representation of embodiment 1 of the present utility model；
Fig. 4 is the structural representation of embodiment 2 of the present utility model；
Fig. 5 is the pressing means structural representation described in this utility model embodiment；
Fig. 6 is the capping structure schematic diagram described in this utility model embodiment.
Description of reference numerals:
1-rivet nut；2-pressurizes hole；3-longitudinal direction locking nail hole；The horizontal locking nail hole of 4-；5-intersects locking nail hole；6-pressing means；61-coarse thread；62-fine thread；63-groove；7-pinning；8-block；9-cone.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can express or implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood by concrete condition.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment 1:
nullSuch as Fig. 1、2、3、5、Shown in 6，Intramedullary nail with lock，Including rivet nut 1，Described rivet nut 1 is solid nail，The near-end of described rivet nut 1 is provided with longitudinal locking nail hole 3、Laterally locking nail hole 4 and the locking nail hole 5 that intersects，The far-end of described rivet nut 1 is provided with longitudinal locking nail hole 3 and the locking nail hole 5 that intersects，Described longitudinal locking nail hole 3、Laterally it is provided with screw thread in locking nail hole 4 and intersection locking nail hole 5，Described intersection locking nail hole 5 is by the first locking nail hole 51、Second locking nail hole 52 and the 3rd locking nail hole 53 form，First locking nail hole 51、Second locking nail hole 52 and the 3rd locking nail hole 53 are through hole and composition equilateral triangle，Pinning 7 is had to pass in described intersection locking nail hole 5，Pinning 7 or block 8 is had to pass in described longitudinal locking nail hole 3 and horizontal locking nail hole 4 respectively，Described rivet nut 1 one end is provided with cone 9，Described rivet nut 1 other end is provided with pressurization hole 2，It is provided with pressing means 6 in described pressurization hole 2，Described pressing means 6 is threadeded with pressurization hole 2，Described pressurization hole 2 connects with the locking nail hole 5 that intersects of rivet nut 1 far-end，Described pressing means 6 is by pressurization main body and adds pressure cap and forms，The described pressure cap upper surface that adds is provided with cruciform groove 63，The described pressure cap lateral wall that adds is provided with coarse thread 61，Described pressurization main body lateral wall is provided with fine thread 62，Described rivet nut 1、The material of pinning 7 and block 8 is Ti-6Al-4V.
The work process of the present embodiment: the far-end of rivet nut 1 is inserted in skeleton, the horizontal locking nail hole 4 of rivet nut 1 far-end, longitudinal locking nail hole 3 and the locking nail hole 5 that intersects are installed with pinning 7 respectively and are fixed with skeleton, the intersection locking nail hole 5 of rivet nut 1 near-end has pinning 7 to pass, it is provided with block 8 in the horizontal locking nail hole 4 of rivet nut 1 near-end to be blocked by locking nail hole, prevent soft tissue from growing in rivet nut, nail pulling can be facilitated, pressurization is provided with pressing means 6 in hole 2, pressing means 6 contacts with the pinning 7 in cross lock hole 5, enhances the steadiness that pinning 7 is connected with skeleton.
Embodiment 2:
nullSuch as Fig. 1、2、4、5、Shown in 6，Intramedullary nail with lock，Including rivet nut 1，Described rivet nut 1 is solid nail，The near-end of described rivet nut 1 is provided with longitudinal locking nail hole 3、Laterally locking nail hole 4 and the locking nail hole 5 that intersects，The far-end of described rivet nut 1 is provided with longitudinal locking nail hole 3 and the locking nail hole 5 that intersects，Described longitudinal locking nail hole 3、Laterally it is provided with screw thread in locking nail hole 4 and intersection locking nail hole 5，Described intersection locking nail hole 5 is by the first locking nail hole 51、Second locking nail hole 52 and the 3rd locking nail hole 53 form，First locking nail hole 51、Second locking nail hole 52 and the 3rd locking nail hole 53 are through hole and composition equilateral triangle，Pinning 7 is had to pass in described intersection locking nail hole 5，Pinning 1 or block 8 is had to pass in described longitudinal locking nail hole 3 and horizontal locking nail hole 4 respectively，Described rivet nut 1 one end is provided with cone 9，Described rivet nut 1 other end is provided with pressurization hole 2，It is provided with pressing means 6 in described pressurization hole 2，Described pressing means 6 is threadeded with pressurization hole 2，Described pressurization hole 2 connects with the locking nail hole 5 that intersects of rivet nut 1 far-end，Described pressing means 6 is by pressurization main body and adds pressure cap and forms，The described pressure cap upper surface that adds is provided with yi word pattern groove 63，The described pressure cap lateral wall that adds is provided with coarse thread 61，Described pressurization main body lateral wall is provided with fine thread 62，Described rivet nut 1、The material of pinning 7 and block 8 is 00Cr18Ni14Mo3.
The work process of the present embodiment: the far-end of rivet nut 1 is inserted in skeleton, longitudinal locking nail hole 2 and the locking nail hole 5 that intersects of rivet nut 1 far-end are installed with pinning 7 respectively and are fixed with skeleton, the horizontal locking nail hole 4 of rivet nut 1 far-end is provided with block 8 and is blocked by locking nail hole, the intersection locking nail hole 5 of rivet nut 1 near-end and horizontal locking nail hole 4 have pinning 7 to pass, the effect of block 8 is to prevent soft tissue from growing in rivet nut, nail pulling can be facilitated, pressurization is provided with pressing means 6 in hole 2, pressing means 6 contacts with the pinning 7 in cross lock hole 5, enhances the steadiness that pinning 7 is connected with skeleton.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (7)
- null1. intramedullary nail with lock，Including rivet nut (1)，It is characterized in that: described rivet nut (1) is solid nail，The near-end of described rivet nut (1) is provided with longitudinal locking nail hole (3)、Laterally locking nail hole (4) and the locking nail hole (5) that intersects，The far-end of described rivet nut (1) is provided with longitudinal locking nail hole (3) and the locking nail hole (5) that intersects，Described longitudinal locking nail hole (3)、Laterally it is provided with screw thread in locking nail hole (4) and intersection locking nail hole (5)，Described intersection locking nail hole (5) is by the first locking nail hole (51)、Second locking nail hole (52) and the 3rd locking nail hole (53) composition，First locking nail hole (51)、Second locking nail hole (52) and the 3rd locking nail hole (53) are through hole and composition equilateral triangle，Pinning (7) is had to pass in described intersection locking nail hole (5)，Pinning (7) or block (8) is had to pass in described longitudinal locking nail hole (3) and horizontal locking nail hole (4) respectively.
- Intramedullary nail with lock the most according to claim 1, it is characterized in that: described rivet nut (1) one end is provided with cone (9), described rivet nut (1) other end is provided with pressurization hole (2), it is provided with pressing means (6) in described pressurization hole (2), described pressing means (6) is threadeded with pressurization hole (2), and described pressurization hole (2) connects with the locking nail hole (5) that intersects of rivet nut (1) far-end.
- Intramedullary nail with lock the most according to claim 2, it is characterized in that: described pressing means (6) is by pressurization main body and adds pressure cap and forms, the described pressure cap upper surface that adds is provided with cross or yi word pattern groove (63), the described pressure cap lateral wall that adds is provided with coarse thread (61), and described pressurization main body lateral wall is provided with fine thread (62).
- Intramedullary nail with lock the most according to claim 1, it is characterised in that: the rivet nut lateral wall of described block (8) is provided with screw thread, and screw thread is suitable with the screw thread in longitudinal locking nail hole (3) or horizontal locking nail hole (4).
- Intramedullary nail with lock the most according to claim 1, it is characterised in that: the material of described rivet nut (1), pinning (7) and block (8) is Ti-6Al-4V.
- Intramedullary nail with lock the most according to claim 1, it is characterised in that: the material of described rivet nut (1), pinning (7) and block (8) is Ti-6Al-7Nb.
- Intramedullary nail with lock the most according to claim 1, it is characterised in that: the material of described rivet nut (1), pinning (7) and block (8) is 00Cr18Ni14Mo3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171294.9U CN205626076U (en) | 2016-03-07 | 2016-03-07 | Intramedullary nail with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171294.9U CN205626076U (en) | 2016-03-07 | 2016-03-07 | Intramedullary nail with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205626076U true CN205626076U (en) | 2016-10-12 |
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ID=57077122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620171294.9U Active CN205626076U (en) | 2016-03-07 | 2016-03-07 | Intramedullary nail with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205626076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961067A (en) * | 2018-01-12 | 2018-04-27 | 四川大学华西医院 | Lateral inlet tibiobone marrow internal needle |
| CN109480988A (en) * | 2018-12-05 | 2019-03-19 | 常州市康辉医疗器械有限公司 | A kind of improved interlocking formula tibial intramedullary nailing |
-
2016
- 2016-03-07 CN CN201620171294.9U patent/CN205626076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961067A (en) * | 2018-01-12 | 2018-04-27 | 四川大学华西医院 | Lateral inlet tibiobone marrow internal needle |
| CN109480988A (en) * | 2018-12-05 | 2019-03-19 | 常州市康辉医疗器械有限公司 | A kind of improved interlocking formula tibial intramedullary nailing |
| CN109480988B (en) * | 2018-12-05 | 2024-02-23 | 常州市康辉医疗器械有限公司 | Improved interlocking tibia intramedullary nail |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |