CN204971540U - Distal end axial index strip lock intramedullary nail - Google Patents
Distal end axial index strip lock intramedullary nail Download PDFInfo
- Publication number
- CN204971540U CN204971540U CN201520530511.4U CN201520530511U CN204971540U CN 204971540 U CN204971540 U CN 204971540U CN 201520530511 U CN201520530511 U CN 201520530511U CN 204971540 U CN204971540 U CN 204971540U
- Authority
- CN
- China
- Prior art keywords
- intramedullary nail
- nail
- locking
- inner chamber
- distal end
- 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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- Surgical Instruments (AREA)
Abstract
The utility model discloses a distal end axial index strip lock intramedullary nail, the location and the locking in cooperation use sight realization intramedullary nail distal end locking hole, including the nail somatic part that has the inner chamber, nail somatic part rear end has two locking holes that radially pierce through the inner chamber, and the cooperation penetrates when still adjusting including the location the instruction pipe of intracavity in the nail somatic part, the instruction pipe have when operation supply soft drill through into the cavity inner chamber, the cavity inner chamber before be equipped with the slidable in the exit end and release the hollow sleeve pipe outside the locking hole. The utility model discloses adjust the telltale hole with the locking hole double as of intramedullary nail, drill out human skin surface and locking through instructing the soft brill of hollow sleeve pipe guide in the pipe, can adjust the central line that the support was adjusted to the sight that to drill out the axis unanimous with soft brill, just so lock according to pore pair distal end pinning corresponding on the sight very conveniently to can shorten operation time, reduce the intramedullary nail internal fixation operation degree of difficulty, obtain the locking success rate of higher distal end pinning.
Description
Technical field
This utility model relates to technical field of medical instruments, and especially a kind of distal shaft is to index strip lock intramedullary nail.
Background technology
Because intramedullary nail with lock has fixed, indication is wide, union of fracture rate advantages of higher, obtain promotion and application widely at present, unique unfortunately distal lockhole location is very difficult, is sometimes even through outside hole, causes unnecessary damage or lockhole failure.Existing intramedullary nail with lock is all designed with a locating platform at far-end, and this platform is exactly sight location and fixing benchmark.In practical operation, must first find this locating platform and by fixed for the locating rod on the sight locking just carrying out distal lockhole.The pinning position fixing process using intramedullary pin to join installing apparatus is: the otch being first an about 1cm by the locating hole on localizer fixed mount in distal femur, then bit drills hole is used, find the locating platform of main nail far-end after entering pulp cavity, then use localizer, fix leading platform.Because institute's bore diameter size is limited, often reliably can not find main nail platform, even if or find, hole can not reliably be fixed, and even again can be shifted in operation, causes pinning to locate unsuccessfully, and therefore repeatedly hole and damage cortical bone outside distal part of femur, to nail loose, reduce surgical quality, even occur some complication that should not occur.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, provides a kind of and locates convenience, can improve locking effect, distal shaft easy and simple to handle to index strip lock intramedullary nail.
This utility model solves the technical scheme that its technical problem adopts: a kind of distal shaft is to index strip lock intramedullary nail, location and the locking in intra medullary nail far-end locking hole is realized with the use of sight, comprise the rivet nut portion with inner chamber, rear end, rivet nut portion has the lock hole of two radial penetration inner chambers, also comprise when location regulates and coordinate the instruction conduit penetrating intracavity in described rivet nut portion, when described instruction conduit has an operation for soft drill into hollow cavity, be provided with the hollow bushing slidably released outside lock hole before described hollow cavity in the port of export.
Specifically, the rear end of described instruction conduit and the rear end clamping of rivet nut portion inner chamber.
Further, described hollow cavity front end has the upper bending section corresponding with lock hole position.
Preferably, described hollow bushing is pushed out outside the lock hole of near-end through upper bending section.
For ease of regulating and controlling scope, between the extension line of described hollow bushing axis and the centrage of lock hole, form the angle α of 0 ° ~ 45 °.
The beneficial effects of the utility model are: the lock hole of intramedullary pin is doubled as adjustment indicator hole by this utility model, soft brill is guided to get out human skin and lock by the hollow bushing in instruction conduit, sight can be regulated the centrage of support to be adjusted to get out axis with soft brill consistent, so just according to hole corresponding on sight, distal locking nail be locked easily.Relative to locating platform mode, can lack an otch, thus can alleviate the misery of patient during operation, shorten operating time, reduce intramedullary pin internal fixation operation difficulty, what obtain higher distal locking nail is locked into power.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, this utility model is further illustrated.
Fig. 1 is using state schematic diagram of the present utility model.
In figure, 1. rivet nut portion 1-1. inner chamber 1-2. lock holes 2. indicate bending section 3. hollow bushing 4. sight 4-1. on conduit 2-1. hollow cavity 2-2. to regulate support
Detailed description of the invention
By reference to the accompanying drawings this utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with this utility model.
A kind of distal shaft is as shown in Figure 1 to index strip lock intramedullary nail, location and the locking of intra medullary nail far-end locking hole 1-2 is realized with the use of sight 4, comprise rivet nut portion 1, the location with inner chamber 1-1 and coordinate the instruction conduit 2 that penetrates in described rivet nut portion 1 inner chamber 1-1 when regulating, be positioned at the lock hole 1-2 that rear end, rivet nut portion 1 has two radial penetration inner chamber 1-1, the rear end of described instruction conduit 2 and the rear end clamping of rivet nut portion 1 inner chamber 1-1.
When described instruction conduit 2 has an operation for soft drill into hollow cavity 2-1, described hollow cavity 2-1 front end has the upper bending section 2-2 corresponding with lock hole 1-2 position, be provided with the hollow bushing 3 slidably released outside lock hole 1-2 before described hollow cavity 2-1 in the port of export, described hollow bushing 3 is pushed out outside the lock hole 1-2 of near-end through upper bending section 2-2.
Simultaneously for ease of regulating and controlling scope, between the extension line of hollow bushing 3 axis outside release lock hole 1-2 and the centrage of lock hole 1-2, form the angle α of 0 ° ~ 45 °.
Operation principle: during use, first instruction conduit 2 is penetrated in the inner chamber 1-1 in rivet nut portion 1, the rear end of instruction conduit 2 is threaded with the rear end of inner chamber 1-1, by witness marker, instruction conduit 2 is in place, , guarantee to indicate the upper bending section 2-2 of the hollow cavity 2-1 of conduit 2 to export to align with indicator hole position (i.e. the lock hole 1-2 on the left side), at this moment the outlet opening of bending section 2-2 on hollow cavity 2-1 can be seen from the lock hole 1-2 on the left side, and hollow bushing 3 coordinates and to be placed in before hollow cavity 2-1 in the port of export, then use instrument hollow bushing 3 to be pushed into upper bending section 2-2 to export, until exceed left side lock hole 1-2 outer surface 1-1.5mm, again sight 4 is fixed with rivet nut portion 1, loading has been held the intramedullary cavity in hole successfully and has been attached it to position, the soft hollow cavity 2-1 drilling through instruction conduit 2 is used to pierce, through hollow bushing 3 until get out skin surface, then hollow tubing conductor is penetrated the soft brill end that gets out and hollow tubing conductor is pinned, according to soft brill position, soft brill gets out angle and is formed within the scope of the angle α of 0 ° ~ 45 ° between the extension line and the centrage of lock hole 1-2 of hollow bushing 3 axis, simultaneously the extension line of hollow bushing 3 axis and the centrage of lock hole 1-2 form one and regulate plane, be now the adjustment support 4-1 of adjustable sight 4, guaranteeing to regulate the centrage of support 4-1 to be positioned at above-mentioned plane and soft brill, to get out axis consistent, fix and regulate complete adjustment support 4-1, then instruction conduit 2 is extracted from the inner chamber 1-1 in rivet nut portion 1, finally just can lock distal locking nail according to hole corresponding on sight 4.
This utility model is by improving the location structure of intramedullary nail with lock, eliminate far-end locating platform, an otch can be lacked during such operation, alleviate the misery of patient, shorten operating time, reduce iatrogenic injury, reduce intramedullary pin internal fixation operation difficulty, higher distal locking nail can be obtained and be locked into power, make operation technique easy, reduce complication, be more suitable for and apply in field environment, emergency repair disaster relief operations and basic hospital.
Above-mentioned embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to this utility model spirit change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (5)
1. a distal shaft is to index strip lock intramedullary nail, location and the locking in intra medullary nail far-end locking hole (1-2) is realized with the use of sight (4), comprise the rivet nut portion (1) with inner chamber (1-1), rivet nut portion (1) rear end has the lock hole (1-2) of two radial penetration inner chambers (1-1), it is characterized in that: also comprise when location regulates and coordinate the instruction conduit (2) penetrated in described rivet nut portion (1) inner chamber (1-1), when described instruction conduit (2) has an operation for soft drill into hollow cavity (2-1), be provided with in described hollow cavity (2-1) the front port of export and slidably release lock hole (1-2) hollow bushing outward (3).
2. distal shaft according to claim 1 is to index strip lock intramedullary nail, it is characterized in that: the rear end of described instruction conduit (2) and the rear end clamping of rivet nut portion (1) inner chamber (1-1).
3. distal shaft according to claim 1 is to index strip lock intramedullary nail, it is characterized in that: described hollow cavity (2-1) front end has the upper bending section (2-2) corresponding with lock hole (1-2) position.
4. distal shaft according to claim 3 is to index strip lock intramedullary nail, it is characterized in that: described hollow bushing (3) is pushed out the lock hole (1-2) of near-end outward through upper bending section (2-2).
5. distal shaft according to claim 1 is to index strip lock intramedullary nail, it is characterized in that: the angle (α) forming 0 ° ~ 45 ° between the extension line of described hollow bushing (3) axis and the centrage of lock hole (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530511.4U CN204971540U (en) | 2015-07-21 | 2015-07-21 | Distal end axial index strip lock intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530511.4U CN204971540U (en) | 2015-07-21 | 2015-07-21 | Distal end axial index strip lock intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204971540U true CN204971540U (en) | 2016-01-20 |
Family
ID=55105975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530511.4U Expired - Fee Related CN204971540U (en) | 2015-07-21 | 2015-07-21 | Distal end axial index strip lock intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204971540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970875A (en) * | 2015-07-21 | 2015-10-14 | 常州华强医疗器械科技有限公司 | Far-end axial indication locking intramedullary nail |
-
2015
- 2015-07-21 CN CN201520530511.4U patent/CN204971540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970875A (en) * | 2015-07-21 | 2015-10-14 | 常州华强医疗器械科技有限公司 | Far-end axial indication locking intramedullary nail |
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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: 20160120 Termination date: 20170721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |