CN202537667U - Three-dimensional guide sighting device for kirschner wires in femoral neck - Google Patents
Three-dimensional guide sighting device for kirschner wires in femoral neck Download PDFInfo
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- CN202537667U CN202537667U CN2012200906775U CN201220090677U CN202537667U CN 202537667 U CN202537667 U CN 202537667U CN 2012200906775 U CN2012200906775 U CN 2012200906775U CN 201220090677 U CN201220090677 U CN 201220090677U CN 202537667 U CN202537667 U CN 202537667U
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- groove
- header board
- neck
- sight
- kirschner wire
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Abstract
The utility model discloses a three-dimensional guide sighting device for kirschner wires in a femoral neck. The sighting device comprises a bone attaching plate, and a reference right angle plate connected with the top of the bone attaching plate, wherein the reference right angle plate comprises a front plate, a rear plate connected with the rear part of the front plate, and a handle connected with the bottom of the rear plate; the upper part of the front plate protrudes upwards; a sliding groove is formed on the lower part of the front end of the front plate; a square through groove is formed on the upper part of the front plate and provided with a through groove notch; the front end of the front plate is connected with a guide sliding block which is provided with a sliding block notch; a sliding block is arranged at the bottom of the guide sliding block; a through hole is formed in the middle of a sighting guide pipe; and a threaded column is arranged on the front part of the sighting guide pipe, passes through the through groove of the front plate and is screwed with a through screw hole of the guide sliding block. The kirschner wires can be put into appropriate positions of the femoral neck accurately, the sighting guide pipe is screwed out, and the kirschner wires are moved out of the sliding block notch and the through groove notch, so that the sighting device can be easily taken out and is convenient to use and easy to operate.
Description
Technical field
This utility model relates to bone surgery set, relates in particular to the three-dimensional guiding of a kind of neck of femur Kirschner wire easy to use sight.
Background technology
In the operative treatment of fracture of femoral neck and intertrochanteric fracture of the femur; When row hollow nail internal fixation and Richard " s screw (DHS) internal fixation; All must position guiding, be arranged in the appropriate location of neck of femur pulp cavity to guarantee the hollow nail that to implant with Kirschner wire.In existing technology: traditional guider is to locate with a Kirschner wire in the front of neck of femur; Again with this reference as top rake; To estimate direction and the position of confirming the Kirschner wire guide pin, during clinical operation, often cause locating the positional fault of guide pin because of the deviation of range estimation.Address this problem, be necessary to design one and have consistently with top rake, the location-appropriate of Kirschner wire in neck of femur of can guaranteeing to lead is with the completely parallel guiding sight of top rake; Original guider is when accomplishing guiding, and after Kirschner wire was fixed on neck of femur, guider was difficult to smoothly, takes out easily, and it pastes hone lamella part and is often covered by muscular tissue, is difficult to extract, if guider is semi-open then can takes out easily.In view of above reason, the function that is necessary to design an existing former guider can overcome the guiding sight of the shortcoming of above-mentioned two aspects again.Chinese patent ZL87211460 discloses fracture of femoral neck fixed guide device between a kind of tuberosity; Chinese patent ZL00208653.0 discloses a kind of Kirschner wire guiding sight; These two patents have solved the problem of aiming to a certain extent; But because the structure more complicated, therefore inconvenient operation fails to promote on a large scale and use.
The utility model content
The purpose of this utility model is, overcomes the above-mentioned defective of prior art, and the three-dimensional guiding of neck of femur Kirschner wire sight a kind of simple in structure, novel, easy to use is provided.
For realizing said purpose, the technical scheme that this utility model provides is following: construct the three-dimensional guiding of a kind of neck of femur Kirschner wire sight, comprise the subsides hone lamella; With the benchmark L-square that subsides hone lamella top is connected, the benchmark L-square comprises header board, with the back-connected back plate of header board; With the handle that plate bottom, back is connected, the top of header board is protruding upward, and preceding front edge of board bottom offers chute; Header board top offers " mouth " shape groove; The groove middle part offers the groove breach to the header board top, and preceding front edge of board is connected with guide runner, and the guide runner middle part offers logical screw; Logical screw top offers the slide block breach to the guide runner top, and the guide runner bottom is provided with and the corresponding slide block of the chute of header board; The middle part of aiming guide pipe offers through hole, and the front portion of aiming guider offers threaded column, and threaded column is passed the groove of header board and the logical screw of guide runner is spirally connected.
Paste hone lamella, the header board of benchmark L-square, back plate, handle are one-body molded.
The header board both sides of pasting hone lamella and benchmark L-square offer preceding inside left's groove, preceding inside right forward's groove respectively, and the handle both sides are respectively equipped with back inside left's groove, back inside right forward's groove.
The rear portion of aiming guide pipe is provided with anti-sliding handle.
The body of aiming guide pipe is parallel with the back plate, and the axial line of aiming guide pipe is 45 degree with the angle of cut that pastes the hone lamella centrage.
Paste the hone lamella front end and offer arc surface.
The chute section of header board is up-small and down-big trapezoidal shape, and the slide block of guide runner bottom can laterally slide in the chute.
The diameter of the threaded column of aiming guider is greater than the width of the slide block breach of the groove breach of header board and guide runner, less than the height of " mouth " shape groove of header board.
The usefulness of this utility model is, and is simple in structure, novel, easy to use; Can realize three-dimensional aiming, precision is high, and is easy to operate; Can accurately Kirschner wire be squeezed into the appropriate location of neck of femur, and Kirschner wire will aim at the guide pipe back-out earlier after inserting, and Kirschner wire moved out again from slide block breach and groove breach; This sight can take out like a cork,, need not enlarge otch; Do not need special tractive local soft tissue, make fracture of femoral neck hollow nail internal fixation and intertrochanteric fracture of the femur DHS internal fixation operation simple more, convenient, easy operating.
Description of drawings
Fig. 1 is the cross-sectional view of the three-dimensional guiding of this utility model neck of femur Kirschner wire sight;
Fig. 2 is the three-dimensional guiding of a this utility model neck of femur Kirschner wire sight three-dimensional structure diagram;
Fig. 3 is Fig. 2 exploded view;
Fig. 4 is the three-dimensional guiding of a this utility model neck of femur Kirschner wire sight fundamental diagram.
The specific embodiment
Be further described with regard to the three-dimensional technical scheme that leads sight of the said neck of femur Kirschner wire of this utility model below in conjunction with accompanying drawing and preferred embodiment.
Consult the preferred embodiment of Fig. 1, comprise and paste hone lamella 1, the benchmark L-square 2 that is connected with subsides hone lamella 1 top to the three-dimensional guiding of neck of femur Kirschner wire shown in Figure 3 sight; Benchmark L-square 2 comprises header board 20, with the back-connected back plate 27 of header board 20, the handle 29 that is connected with plate 27 bottoms, back; The top of header board 20 is protruding upward; Header board 20 front end bottoms offer chute 21, and header board 20 tops offer " mouth " shape groove 22, and groove 22 middle parts to header board 20 tops offer groove breach 23; Header board 20 front ends are connected with guide runner 3; Guide runner 3 middle parts offer logical screw 31, and logical screw 31 tops offer slide block breach 32 to guide runner 3 tops, and guide runner 3 bottoms are provided with the chute 21 corresponding slide blocks 33 with header board 20; The middle part of aiming guide pipe 4 offers through hole 41, and the front portion of aiming guide pipe 4 offers threaded column 42, and the groove 22 that threaded column 42 is passed header board 20 is threaded with the logical screw 31 of guide runner 3.
Paste hone lamella 1, the header board 20 of benchmark L-square 2, back plate 27, handle 29 is one-body molded.
The rear portion of aiming guide pipe 4 is provided with anti-sliding handle 43.
The body of aiming guide pipe 4 is parallel with back plate 27, and the axial line of aiming guide pipe 4 is 45 degree with the angle of cut that pastes hone lamella 1 centrage.
Paste hone lamella 1 front end and offer arc surface.
The diameter of the threaded column 42 of aiming guider 4 is greater than the width of the groove breach of header board 20 23 with the slide block breach 32 of guide runner 3, less than the height of " mouth " shape groove 22 of header board 20.
Consult fundamental diagram shown in Figure 4: paste hone lamella 1 and be adjacent to tibia 100; Be chosen in inside left's groove 11 and back inside left's groove 51 or preceding inside right forward's groove 12 according to patient's tibia 100 fracture and insert auxiliary Kirschner wire 200 in the angles with back inside right forward's groove 52 interior selecting; Be used for confirming the position of tibia 100 sides; Again according to the position of the logical screw 31 of patient's tibia 100 thicknesses adjustment guide runner 3, the groove 22 that the threaded column 42 of aiming guide pipe 4 front ends is passed header board 20 closely is spirally connected with the logical screw 31 of guide runner 3.Another Kirschner wire 300 is hammered into the middle part of bottom about 1/3rd in the tibia with percussion drill from the through hole 41 of aiming guide pipe 4; Aiming guide pipe 4 is screwed out in the logical screw 31 of guide runner 3; Kirschner wire 300 is moved out from the groove breach 23 of the slide block breach of guide runner 3 32 and header board 20; Pull out auxiliary Kirschner wire 200, take out the three-dimensional guiding of this neck of femur Kirschner wire sight, get into next bone surgery program.
Above-described only is the principle and the preferred embodiment of this utility model.Should be pointed out that to those skilled in the art, under the prerequisite that does not break away from this utility model principle, can also make some modification and improvement, also should be regarded as belonging to the protection domain of this utility model.
Claims (8)
1. the three-dimensional guiding of a neck of femur Kirschner wire sight comprises the subsides hone lamella, the benchmark L-square that is connected with subsides hone lamella top; The benchmark L-square comprises header board, with the back-connected back plate of header board, the handle that is connected with plate bottom, back; It is characterized in that: the top of header board is protruding upward, and preceding front edge of board bottom offers chute, and header board top offers " mouth " shape groove; The groove middle part offers the groove breach to the header board top, and preceding front edge of board is connected with guide runner, and the guide runner middle part offers logical screw; Logical screw top offers the slide block breach to the guide runner top, and the guide runner bottom is provided with and the corresponding slide block of the chute of header board; The middle part of aiming guide pipe offers through hole, and the front portion of aiming guide pipe offers threaded column, and threaded column is passed the groove of header board and the logical screw of guide runner is spirally connected.
2. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight is characterized in that: said subsides hone lamella, the header board of benchmark L-square, back plate, handle are one-body molded.
3. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight, it is characterized in that: the header board both sides of said subsides hone lamella and benchmark L-square offer preceding inside left's groove, preceding inside right forward's groove respectively, and the handle both sides are respectively equipped with back inside left's groove, back inside right forward's groove.
4. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight, it is characterized in that: the rear portion of said aiming guide pipe is provided with anti-sliding handle.
5. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight is characterized in that: the body of said aiming guide pipe is parallel with the back plate, and the axial line of aiming guide pipe is 45 degree with the angle of cut that pastes the hone lamella centrage.
6. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight, it is characterized in that: said subsides hone lamella front end offers arc surface.
7. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight, it is characterized in that: the chute section of said header board is up-small and down-big trapezoidal shape, and the slide block of guide runner bottom can laterally slide in the chute.
8. the three-dimensional guiding of neck of femur Kirschner wire according to claim 1 sight; It is characterized in that: the diameter of the threaded column of said aiming guider is greater than the width of the slide block breach of the groove breach of header board and guide runner, less than the height of " mouth " shape groove of header board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200906775U CN202537667U (en) | 2012-03-12 | 2012-03-12 | Three-dimensional guide sighting device for kirschner wires in femoral neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200906775U CN202537667U (en) | 2012-03-12 | 2012-03-12 | Three-dimensional guide sighting device for kirschner wires in femoral neck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202537667U true CN202537667U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200906775U Expired - Fee Related CN202537667U (en) | 2012-03-12 | 2012-03-12 | Three-dimensional guide sighting device for kirschner wires in femoral neck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202537667U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496545A (en) * | 2014-12-24 | 2016-04-20 | 北京纳通科技集团有限公司 | Auxiliary combined instrument for repairing proximal femoral fracture and auxiliary element thereof |
| CN106725820A (en) * | 2017-01-11 | 2017-05-31 | 邓迎生 | Torsion angle reference system fixed point is wrong before neck of femur aims at hollow nail fixed system away from guide pin |
| CN113040893A (en) * | 2021-02-02 | 2021-06-29 | 陈培生 | Guide pin adjusting guider for femoral neck |
| CN113303866A (en) * | 2021-06-04 | 2021-08-27 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
-
2012
- 2012-03-12 CN CN2012200906775U patent/CN202537667U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496545A (en) * | 2014-12-24 | 2016-04-20 | 北京纳通科技集团有限公司 | Auxiliary combined instrument for repairing proximal femoral fracture and auxiliary element thereof |
| CN106725820A (en) * | 2017-01-11 | 2017-05-31 | 邓迎生 | Torsion angle reference system fixed point is wrong before neck of femur aims at hollow nail fixed system away from guide pin |
| CN106725820B (en) * | 2017-01-11 | 2023-05-16 | 邓迎生 | Femoral neck front torsion angle reference system-fixed point offset guide needle aiming hollow nail fixing system |
| CN113040893A (en) * | 2021-02-02 | 2021-06-29 | 陈培生 | Guide pin adjusting guider for femoral neck |
| CN113303866A (en) * | 2021-06-04 | 2021-08-27 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
| CN113303866B (en) * | 2021-06-04 | 2022-05-10 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
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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: 20121121 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |