CN204484271U - For the angle positioning device of femoral rotation osteotomy - Google Patents
For the angle positioning device of femoral rotation osteotomy Download PDFInfo
- Publication number
- CN204484271U CN204484271U CN201520042153.2U CN201520042153U CN204484271U CN 204484271 U CN204484271 U CN 204484271U CN 201520042153 U CN201520042153 U CN 201520042153U CN 204484271 U CN204484271 U CN 204484271U
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- positioning device
- angle positioning
- utility
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- protractor
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Abstract
This utility model provides a kind of angle positioning device for femoral rotation osteotomy.This angle positioning device comprises: Shuan Chi mechanism, and it comprises and to be parallel to each other and can the fixed ruler of relative sliding and adjustable rule; At least one is applicable to the sleeve inserting Kirschner wire, and it is fixed on the near-end of described fixed ruler, and arranged in parallel; And protractor, it is vertically fixed on the far-end of described adjustable rule.This utility model is integral type angle positioning device with lock function, relative to the assembly type of prior art, has better stability and reliability.Angle positioning device described in the utility model leaves operative site when performing the operation, and is convenient to operation technique.In addition, angle positioning device described in the utility model utilizes draw point as overcasting staff device, is reduced to a minimum to the destruction of sclerotin.
Description
Technical field
This utility model relates to a kind of angle positioning device for femoral rotation osteotomy, particularly relates to a kind of angle positioning device for femoral rotation osteotomy in Congenital dislocation hip surgery.
Background technology
In Congenital dislocation hip surgery, need to carry out femoral rotation osteotomy to correct the exception of femoral anteversion angle.Owing to lacking suitable Rotation angle location device, the anglec of rotation of osteotomy is caused accurately to measure and to determine.The method measured mainly through the aiming that reclines with ruler, estimates, protractor in the industry at present determines angle, its poor accuracy, have impact on the accuracy of rotary osteotomy angle.
Chinese utility model patent " the parallel anglec of rotation positioning component of threading a needle of hip dislocation femur the osteotomy " (patent No.: 201420253959.1) disclose the parallel anglec of rotation positioning component of threading a needle of hip dislocation femur osteotomy, comprise the steel plate be positioned over outside near end of thighbone; Be positioned over the bore template directly near end of thighbone; The anglec of rotation position finder that far and near side assembly each firm banking holes is alignd with each holes in the far and near side of femur osteotomy; Be fixed together with femur, for the graduated disc of anglec of rotation position finder location.When applying this positioning component, hole two at epimere sclerotin, be screwed a graduated disc, hypomere sclerotin holes two, is screwed a pointer, after upper-lower section rotates, by the method determination angle reading number of division.There is following defect in this assembly: (1) must apply front side fixing steel plate and ensure that two assemblies keep on the same line; (2) 4 screw holes need be bored, comparatively havoc is caused to sclerotin; (3) self cannot carry out the locking of angle, needs to help locking by means of instrument.
Therefore, be necessary in the industry to develop the new angle positioning device for femoral rotation osteotomy.
Summary of the invention
The purpose of this utility model is to provide a kind of angle positioning device for femoral rotation osteotomy, and this device not only has good accuracy and operability, and structure is simple, easy to utilize.
To achieve these goals, this utility model provides a kind of angle positioning device for femoral rotation osteotomy, and this angle positioning device comprises: Shuan Chi mechanism, and it comprises and to be parallel to each other and can the fixed ruler of relative sliding and adjustable rule; At least one is applicable to the sleeve inserting Kirschner wire, and it is fixed on the near-end of described fixed ruler, and arranged in parallel; And protractor, it is vertically fixed on the far-end of described adjustable rule.
In angle positioning device described in the utility model, the effect of sleeve is enclosed within the Kirschner wire of location, and the diameter of Kirschner wire, at 0.5-2 millimeter, according to the Kirschner wire needing the different-diameter adopted in operation, and then selects different sleeves.
According to the further feature of angle positioning device described in the utility model, described sleeve is the different sleeve of multiple internal diameter.
According to the further feature of angle positioning device described in the utility model, the length of described multiple sleeve is consistent.
According to the further feature of angle positioning device described in the utility model, described multiple sleeve is arranged in parallel is a row.
According to the further feature of angle positioning device described in the utility model, described multiple sleeve is parallel with the width of described Shuan Chi mechanism.
In angle positioning device described in the utility model, Shuan Chi mechanism comprises and to be parallel to each other and can the fixed ruler of relative sliding and adjustable rule, thus its adjustable length.Preferably, described adjustable rule is enclosed within the inside of described fixed ruler.During use, the jacket casing of fixed ruler near-end is on Kirschner wire, and thus it is relatively fixing; Adjustable rule can stretch out relative to fixed ruler.
In angle positioning device described in the utility model, protractor is vertically fixed on the far-end of adjustable rule, and namely protractor is positioned at the far-end of adjustable rule, and vertical with adjustable rule.
" near-end, far-end " in angle positioning device described in the utility model, for certain position, rough saying can according to by the position judgment of operator heart.
According to the further feature of angle positioning device described in the utility model, protractor is semicircle, and the far-end of adjustable rule is connected to the centrage of protractor.
According to the further feature of angle positioning device described in the utility model, described protractor is provided with arcuate groove, and for the locking member of stationary positioned pin, described locking member is slidedly arranged within described arcuate groove.
Preferably, described arcuate groove is two concentric arcs grooves, and two described locking members are slidedly arranged within these two arcuate grooves respectively.
Preferably, described locking member comprises slide block and locking knob, and described slide block is slidedly arranged within described arcuate groove, and described locking knob is arranged on described slide block.
Compared with prior art, this utility model has the following advantages for the angle positioning device tool of femoral rotation osteotomy:
(1) do not require that initial locating steel needle is on same straight line, just relative position is just passable, this utility model can obtain original angle (deviation when namely two draw points are inserted) before osteotomy, and do not affect the reading after osteotomy, both subtract each other the angle that can obtain and rotate in art.
(2) this utility model utilizes draw point as overcasting staff device, is reduced to a minimum to the destruction of sclerotin, operates different compared with the steel plate screw fixing means of prior art, also very simple and efficient.
(3) near-end of the present utility model has multiple different-diameter sleeve, can be applicable to different-diameter draw point, and the device of prior art is then without the method and consideration.
(4) this utility model is provided with locking device, and this locking device can be utilized to realize the locking of selected angle.
(5) locking device on graduated disc is set as two by this utility model further, coordinates two concentrically ringed art chute designs, utilizes 2 principles determining a line, reach better fixation.
(6) this utility model is integral type angle positioning device with lock function, relative to the assembly type of prior art, has better stability and reliability.
(7) this utility model make use of the fixation principle of sleeve to draw point, achieves location and the angle direction maintenance effect of proximal measurement mark post.
(8), during operation, angle positioning device described in the utility model leaves operative site, facilitates operation technique.
Accompanying drawing explanation
Only by reference to the accompanying drawings detailed description is made to configuration and principle of the present utility model by way of example below.In the drawings:
Fig. 1 is the structural representation of a specific embodiment of the angle positioning device for femoral rotation osteotomy described in the utility model.
The partial structurtes schematic diagram that Fig. 2 is the angle positioning device shown in Fig. 1.
Fig. 3 is the structural representation of another specific embodiment of the angle positioning device for femoral rotation osteotomy described in the utility model.
Detailed description of the invention
embodiment 1
Present embodiments provide a kind of angle positioning device for femoral rotation osteotomy, as shown in Figure 1 to Figure 2, this angle positioning device comprises Shuan Chi mechanism 1, at least one (in figure being 5) sleeve 2, and protractor 3.
Shuan Chi mechanism 1 comprises and to be parallel to each other and can the adjustable rule 102 of relative sliding and fixed ruler 101.Adjustable rule 102 is positioned at inside, is interior chi; Fixed ruler 101 is positioned at outside, is outer chi.As shown in the figure, adjustable rule 102 is enclosed within the inside of fixed ruler 101.
The internal diameter of multiple sleeve 2 is different, and length is consistent, and they are fixed on the near-end of outer chi 101, parallel with the width of outer chi 101, and arranged in parallel is a row.
Protractor 3 is semicircle, and it is vertically fixed on the far-end of adjustable rule 102.The far-end of adjustable rule 102 is connected to the centrage of protractor 3.Protractor 3 is provided with arcuate groove 301 and the locking member 302 for stationary positioned pin.Locking member 302 comprises slide block and locking knob, and slide block is slidedly arranged within arcuate groove 301, and locking knob is arranged on slide block.
embodiment 2
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is: protractor 3 is provided with two concentric arcs grooves 301,303, and two locking members 302,304 are slidedly arranged within these two arcuate grooves respectively.Thus, angle and adjustment angle can be determined more accurately.
The using method of angle positioning device described in the utility model is as follows:
During use, parallelly up and down prior to osteotomy respectively squeeze into one piece of Kirschner wire (positioning needle), the sleeve of suitable diameter is selected to be placed on the Kirschner wire of location, slidably will slide to appropriate length by interior chi, by protractor and interior chi junction near, rotated by lower limb, accurately after selected required angle, to be tightened hypomere positioning needle with the locking member being fixed on protractor arcuate groove, thus to realize the fixing of the osteotomy anglec of rotation.
Although this utility model discloses as above with preferred embodiment, and be not used to the scope limiting this utility model enforcement.Any those of ordinary skill in the art, is not departing within the scope of utility model of the present utility model, and improve when doing some, namely every equal improvement done according to this utility model, should be scope of the present utility model and contained.
Claims (10)
1. for an angle positioning device for femoral rotation osteotomy, it is characterized in that, described angle positioning device comprises:
Shuan Chi mechanism, it comprises and to be parallel to each other and can the fixed ruler of relative sliding and adjustable rule;
At least one is applicable to the sleeve inserting Kirschner wire, and it is fixed on the near-end of described fixed ruler, and arranged in parallel; And
Protractor, it is vertically fixed on the far-end of described adjustable rule.
2. angle positioning device according to claim 1, is characterized in that: described sleeve is the different sleeve of multiple internal diameter.
3. angle positioning device according to claim 1, is characterized in that, the length of described multiple sleeve is consistent.
4. angle positioning device according to claim 1, is characterized in that, described multiple sleeve is arranged in parallel is a row.
5. angle positioning device according to claim 1, is characterized in that, described multiple sleeve is parallel with the width of described Shuan Chi mechanism.
6. angle positioning device according to claim 1, is characterized in that: described adjustable rule is enclosed within the inside of described fixed ruler.
7. angle positioning device according to claim 1, is characterized in that, described protractor is semicircle, and the far-end of described adjustable rule is connected to the centrage of described protractor.
8. angle positioning device according to claim 1, is characterized in that: described protractor is provided with arcuate groove, and for the locking member of stationary positioned pin, described locking member is slidedly arranged within described arcuate groove.
9. angle positioning device according to claim 8, is characterized in that: described arcuate groove is two concentric arcs grooves, and two described locking members are slidedly arranged within these two arcuate grooves respectively.
10. angle positioning device according to claim 8, is characterized in that, described locking member comprises slide block and locking knob, and described slide block is slidedly arranged within described arcuate groove, and described locking knob is arranged on described slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042153.2U CN204484271U (en) | 2015-01-22 | 2015-01-22 | For the angle positioning device of femoral rotation osteotomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042153.2U CN204484271U (en) | 2015-01-22 | 2015-01-22 | For the angle positioning device of femoral rotation osteotomy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204484271U true CN204484271U (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042153.2U Withdrawn - After Issue CN204484271U (en) | 2015-01-22 | 2015-01-22 | For the angle positioning device of femoral rotation osteotomy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204484271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644251A (en) * | 2015-01-22 | 2015-05-27 | 南方医科大学南方医院 | Angle positioning device for rotary bone cutting of thigh bone |
-
2015
- 2015-01-22 CN CN201520042153.2U patent/CN204484271U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644251A (en) * | 2015-01-22 | 2015-05-27 | 南方医科大学南方医院 | Angle positioning device for rotary bone cutting of thigh bone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20160608 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |