CN209236361U - A kind of intramedullary nail diopter - Google Patents
A kind of intramedullary nail diopter Download PDFInfo
- Publication number
- CN209236361U CN209236361U CN201821369524.8U CN201821369524U CN209236361U CN 209236361 U CN209236361 U CN 209236361U CN 201821369524 U CN201821369524 U CN 201821369524U CN 209236361 U CN209236361 U CN 209236361U
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- intramedullary nail
- pilot hole
- aiming
- diopter
- aiming portion
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Abstract
It include handle portion and aiming portion the utility model relates to a kind of intramedullary nail diopter, the structure that the aiming portion is fixedly connected with handle portion and shape is C-shaped, there is one first pilot hole in the aiming portion, first pilot hole extends in aiming portion ontology from the free end in aiming portion and through aiming portion ontology, there are at least two first locating pieces being coaxially set with the first pilot hole and at least two second locating pieces being coaxially set with the first pilot hole on the free end in the aiming portion, when intramedullary nail is mounted on the free end in aiming portion, first pilot hole and the second pilot hole of intramedullary nail tail portion are coaxially disposed, and first locating piece is located in the positioning groove of intramedullary nail tail portion, second locating piece extends to the second pilot hole of intramedullary nail tail portion and is close to the inner wall of the second pilot hole, to solve existing aiming Frame is after removing and connecting bolt, the problem of intramedullary nail can shift.
Description
Technical field
The utility model relates to medical instruments fields, are specifically related to a kind of intramedullary nail diopter.
Background technique
Intramedullary nail is the mainstream internal fixation apparatus of current field of orthopaedics treatment long bone fracture.In order to avoid bone or soft tissue
It is grown into intramedullary nail in agglutination, causes the taking-up of intramedullary nail difficult, all one tail cap can be installed in the tail portion of intramedullary nail,
Play barrier effect.It is usually all that will connect bolt and after diopter removes, directly be pacified by operation opening when installing tail cap
Dress, but bone surrounding soft tissue is more, and when installation is not very convenient.And need in this way operation the reason of be because diopter with
Intramedullary nail being not connected firmly between the two after connection bolt is removed.After removing connection bolt, only by diopter
Two locating pieces are embedded into the positioning groove of intramedullary nail to guarantee to position, but the median plane of two locating pieces due to diopter
In the same plane, diopter can be free to slide along the direction of this median plane, can not play the role of guiding, so only
Can remove diopter with connect bolt after tail cap is installed again.
In addition radian all very littles of common diopter handle portion on the market at present, when doctor encounters the obesity patients
When, may because of the distance between intramedullary nail head and hand handle not enough, caused by inconvenient or even operation it is difficult.
Utility model content
The utility model is intended to provide a kind of intramedullary nail diopter, to solve the above problem.
Concrete scheme is as follows:
A kind of intramedullary nail diopter, including handle portion and aiming portion, the aiming portion are fixedly connected with handle portion and form C
The structure of font, has one first pilot hole in the aiming portion, and first pilot hole is from the free end in aiming portion toward aiming portion
Extend and run through aiming portion ontology in ontology, have on the free end in the aiming portion with the first pilot hole be coaxially set to
Few two the first locating pieces and at least two second locating pieces being coaxially set with the first pilot hole, take aim at when intramedullary nail is mounted on
When on the free end in quasi- portion, the second pilot hole of first pilot hole and intramedullary nail tail portion is coaxially disposed, and described first is fixed
Position block be located in the positioning groove of intramedullary nail tail portion, second locating piece extend to the second pilot hole of intramedullary nail tail portion and with
The inner wall of second pilot hole is close to.
Further, the inner wall and the first pilot hole of first locating piece and the second locating piece are tangent, and described second
The outer wall indent of locating piece is in the periphery wall of aiming portion free end.
Further, the first locating piece and two the second locating pieces there are two having on the free end in the aiming portion, two
First locating piece and two the second locating pieces are staggered is evenly arranged on around the first pilot hole, and two the first locating pieces and two
Second locating piece is symmetrically arranged.
Further, there is multiple be inserted into handle portion in the fixing end that the aiming portion is fixedly connected with handle portion
Positioning column is bolted to connection between the aiming portion and handle portion.
Further, the aiming portion is fixedly connected with handle portion fixing end and the free end end face in the aiming portion it
Between vertical range be not less than 80mm.
Intramedullary nail diopter provided by the utility model has the advantage that the utility model mentions compared with prior art
The intramedullary nail diopter of confession has in diopter portion there are two the first locating piece and two the second locating pieces, two the second locating pieces
Fit in assembly with the inner wall of intramedullary nail, after taking out the connection bolt of diopter and intramedullary nail, due to two second it is fixed
Position block is bonded with intramedullary nail inner wall, plays barrier effect, can make diopter that intramedullary nail be driven to move together, i.e. diopter and marrow
Interior nail is constantly in opposing stationary state, and the second pilot hole of the first pilot hole and intramedullary nail that ensure that diopter is located always
In concentric, tail cap is fast and accurately installed so as to pass through two pilot holes with nail device.
Detailed description of the invention
Fig. 1 shows the perspective view of intramedullary nail diopter.
Fig. 2 shows the perspective views of intramedullary nail.
Fig. 3 shows the cross-sectional view that intramedullary nail is mounted on intramedullary nail diopter.
Fig. 4 shows the main view of intramedullary nail diopter.
Fig. 5 shows the using process diagram of intramedullary nail diopter installation intramedullary nail cap tail.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, the utility model provides a kind of intramedullary nail diopter, including handle portion 10 and aiming portion 20, institute
It states aiming portion 20 to be fixedly connected with handle portion 10 integral and form the structure for being similar to C font, wherein in the aiming portion 20
With one first pilot hole 200, which extends and passes through in aiming portion ontology from the free end 20a in aiming portion
It wears aiming portion ontology, there are at least two the to be coaxially set with the first pilot hole 200 on the free end 20a in the aiming portion
A positioning block 210 and at least two second locating pieces 220 being coaxially set with the first pilot hole 200.
Come below by the installation example of diopter and intramedullary nail to the first above-mentioned locating piece 210 and the second locating piece
220 effect is illustrated, and wherein the structure of intramedullary nail is as shown in Figures 2 and 3, has second to lead on the aft end of intramedullary nail 30
To hole 300, and also there is the positioning groove 310 to match with the first locating piece 210 on the tail portion of intramedullary nail 30, when intramedullary nail 30
When being mounted on the free end 20a in aiming portion, first pilot hole 200 and the second pilot hole 300 of intramedullary nail tail portion are coaxial
Setting, and first locating piece 210 is located in the positioning groove 310 of 30 tail portion of intramedullary nail, second locating piece 220 extends
To 30 tail portion of intramedullary nail the second pilot hole 300 and be close to the inner wall of the second pilot hole 300, taking out diopter and intramedullary nail
It is fixed with first since the second locating piece 220 is close to the inner wall of the second pilot hole 300 of intramedullary nail 30 after 30 connection bolt
Position block 210 plays barrier effect jointly, so that diopter and intramedullary nail 30 are constantly in opposing stationary state, and ensure that
First pilot hole 200 of diopter is constantly in concentric with the second pilot hole 300 of intramedullary nail 30, enables the diopter
Play the role of guiding, therefore the first pilot hole 200 and the second pilot hole 300 can be passed through with nail device quick and precisely by tail cap
It is mounted on intramedullary nail 30.
With reference to Fig. 1, in the present embodiment, the inner wall of first locating piece 210 and the second locating piece 220 is led with first
Tangent to hole 200, i.e., the inner wall of the first locating piece 210 and the second locating piece 220 constitutes a part of the first pilot hole, and institute
The outer wall indent of the second locating piece 220 is stated in the periphery wall of aiming portion free end, i.e., the thickness of the second locating piece 220 is than
Wall thickness on one pilot hole, 200 opposite position is small, and on the internal perisporium of the second pilot hole 300 on the tail end of intramedullary nail 30
The limiting groove for matching with the second locating piece 220 is provided on corresponding position, when intramedullary nail 30 is mounted on aiming
When on the free end 20a in portion, the second locating piece 220 is located in the limiting groove, in order between intramedullary nail 30 and aiming portion
Connection and limit.
With reference to Fig. 1, in the present embodiment, it is preferred that there are two the first locating pieces for tool on the free end in the aiming portion 20
210 and two the second locating pieces 220, two the first locating pieces 210 and two the second locating pieces 220 are staggered is evenly arranged on first and leads
To around hole 200, and two the first locating pieces 210 and two the second locating pieces 220 are symmetrically arranged.
With reference to Fig. 3, in the present embodiment, it is preferred that the fixing end 20b that the aiming portion 20 is fixedly connected with handle portion 10
It is upper that there are multiple positioning columns 230 being inserted into handle portion, it is fixed by bolt 40 between the aiming portion 20 and handle portion 10
Connection, in order to aim at the installation in portion 20 Yu handle portion 10.
With reference to Fig. 4, in the present embodiment, the fixing end that the aiming portion is fixedly connected with handle portion and the aiming portion
Vertical range L between free end end face is not less than 80mm.Relative to existing sighting device, the diopter increase handle portion and
Space between aiming portion, when for the obesity patients operation, intramedullary nail head and handle end are compared traditional diopter and are reserved
More spaces avoid because difficulty is performed the operation caused by patient's physique reason, so that surgical is more convenient.
The use process of diopter provided by the utility model is as shown in figure 5, firstly, position peace for the tail portion of intramedullary nail 30
On the free end in the aiming portion 20 of diopter, so that the first locating piece 210 in aiming portion 20 is placed in determining for intramedullary nail 30
Position groove 310 in, and the second locating piece 220 extend to 30 tail portion of intramedullary nail the second pilot hole 300 and with the second pilot hole
300 inner wall is close to, and sets so that the second pilot hole 300 of the first pilot hole 200 and intramedullary nail 30 in aiming portion 20 is concentric
It sets；Secondly, intramedullary nail 30 is fixedly connected with diopter with connection bolt 5, then by Intramedullary nailing on the affected part of patient；So
Afterwards, connection bolt 5 is removed, the positioning and position-limiting action due to the first locating piece 210 and the second locating piece 220, so that aiming at
Frame and intramedullary nail 30 are constantly in opposing stationary state, and ensure that the first pilot hole 200 and intramedullary nail 30 of diopter
Second pilot hole 300 is constantly in concentric, and the diopter is enabled to play the role of guiding, passes through first with nail device 6
Tail cap 7 is quick and precisely mounted on the tail portion of intramedullary nail 30 by pilot hole 200 and the second pilot hole 300, finally removes diopter
?.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (5)
1. a kind of intramedullary nail diopter, it is characterised in that: including handle portion and aiming portion, the aiming portion and the fixed company of handle portion
It connects and structure that shape is C-shaped, there is one first pilot hole, free end of first pilot hole from aiming portion in the aiming portion
Extend and run through aiming portion ontology in aiming portion ontology, has and the first pilot hole coaxial line on the free end in the aiming portion
At least two first locating pieces being arranged and at least two second locating pieces being coaxially set with the first pilot hole, work as intramedullary nail
When being mounted on the free end in aiming portion, the second pilot hole of first pilot hole and intramedullary nail tail portion is coaxially disposed, and institute
It states the first locating piece to be located in the positioning groove of intramedullary nail tail portion, what second locating piece extended to intramedullary nail tail portion second leads
It is close to the inner wall of the second pilot hole of Kong Bingyu.
2. intramedullary nail diopter according to claim 1, it is characterised in that: first locating piece and the second locating piece
Inner wall is tangent with the first pilot hole, and the outer wall indent of second locating piece is in the periphery wall of aiming portion free end.
3. intramedullary nail diopter according to claim 1, it is characterised in that: on the free end in the aiming portion there are two tools
First locating piece and two the second locating pieces, two the first locating pieces and two the second locating pieces are staggered is evenly arranged on the first guiding
Around hole, and two the first locating pieces and two the second locating pieces are symmetrically arranged.
4. intramedullary nail diopter according to claim 1, it is characterised in that: what the aiming portion was fixedly connected with handle portion
There is multiple positioning columns being inserted into handle portion, the company of being bolted between the aiming portion and handle portion in fixing end
It connects.
5. intramedullary nail diopter according to claim 1, it is characterised in that: what the aiming portion was fixedly connected with handle portion
Vertical range between fixing end and the free end end face in the aiming portion is not less than 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369524.8U CN209236361U (en) | 2018-08-24 | 2018-08-24 | A kind of intramedullary nail diopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369524.8U CN209236361U (en) | 2018-08-24 | 2018-08-24 | A kind of intramedullary nail diopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209236361U true CN209236361U (en) | 2019-08-13 |
Family
ID=67516415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821369524.8U Active CN209236361U (en) | 2018-08-24 | 2018-08-24 | A kind of intramedullary nail diopter |
Country Status (1)
| Country | Link |
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| CN (1) | CN209236361U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693589A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Anti-sway intramedullary nail |
| CN110693591A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Intramedullary nail with stability |
| CN111000615A (en) * | 2019-12-05 | 2020-04-14 | 张希江 | Intramedullary nail positioning drill jig frame |
| CN112617715A (en) * | 2020-12-31 | 2021-04-09 | 固安博健生物技术有限公司 | Intramedullary nail and anti-micromotion positioning assembly thereof |
-
2018
- 2018-08-24 CN CN201821369524.8U patent/CN209236361U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693589A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Anti-sway intramedullary nail |
| CN110693591A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Intramedullary nail with stability |
| CN111000615A (en) * | 2019-12-05 | 2020-04-14 | 张希江 | Intramedullary nail positioning drill jig frame |
| CN112617715A (en) * | 2020-12-31 | 2021-04-09 | 固安博健生物技术有限公司 | Intramedullary nail and anti-micromotion positioning assembly thereof |
| CN112617715B (en) * | 2020-12-31 | 2023-08-25 | 固安博健生物技术有限公司 | Intramedullary nail and anti-micro-motion positioning assembly thereof |
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