CN203763197U - Caput femoris puncturing tool - Google Patents
Caput femoris puncturing tool Download PDFInfo
- Publication number
- CN203763197U CN203763197U CN201420182732.2U CN201420182732U CN203763197U CN 203763197 U CN203763197 U CN 203763197U CN 201420182732 U CN201420182732 U CN 201420182732U CN 203763197 U CN203763197 U CN 203763197U
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- China
- Prior art keywords
- positioning
- guide channel
- handle
- cone
- auxiliary positioning
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Abstract
The utility model discloses a caput femoris puncturing tool. The caput femoris puncturing tool comprises a puncturing positioning machine and a puncturing guiding machine. The puncturing guiding machine comprises a handle, a positioning block, a first guiding channel, a second guiding channel, a third guiding channel and two positioning pins. The handle is fixedly connected with the upper end of the side face of a cone through a first arc board. The upper end of the positioning block is connected to the lower end face of the cone. The lower end face of the positioning block is an inclined face. The rear ends of the two positioning pins are symmetrically and fixedly connected to the inclined face. The first guiding channel, the second guiding channel and the third guiding channel respectively penetrate through the cone and the positioning block from top to bottom. The puncturing guiding machine comprises a hand shank and a positioning table, wherein the hand shank and the positioning table are fixedly connected through a second arc board. A main positioning hole and a plurality of auxiliary positioning hole groups are formed in the positioning table and penetrate through the positioning table. The distances between the auxiliary positioning hole groups and the main positioning hole are equal. The puncturing guiding machine is used for conducting accurate positioning, different sizes are combined through the auxiliary positioning holes so that the caput femoris puncturing tool can be suitable for the diameters of different femoral necks, accuracy is improved, and an operation is safer.
Description
Technical field
This utility model relates to a kind of operating theater instruments, specifically a kind of femoral head Centesis instrument.
Background technology
Current capital puncture depends on perspective and the cognition of doctor to femoral head anatomical knowledge of X-ray machine, and the assistive device there is no need is used, in operation skin incision large, to soft tissue and osseous tissue damage is large, operating time is long, it is inaccurate to perform the operation.
Utility model content
In order to address the above problem, this utility model provides a kind of femoral head Centesis instrument, when carrying out Minimally Invasive Surgery, can make the skeleton of fracture set back fast, has solved open surgery impaired large, recovery time of the longer problem that adopts.
This utility model is by the following technical solutions: femoral head Centesis instrument, it is characterized in that, comprise puncture locator and puncture gate apparatus, described puncture gate apparatus comprises handle, cone, locating piece, the first guide channel, the second guide channel, the 3rd guide channel and two positioning needles, described handle is affixed by the upper end, side of the first arc and cone, the upper end of described locating piece connects the lower surface of cone, locating piece lower surface is inclined plane, the rear end symmetry of described positioning needle is fixed on described inclined plane, the first described guide channel, the second guide channel and the 3rd guide channel run through respectively cone and locating piece from top to bottom, described puncture locator comprises handle and positioning table, described positioning table is affixed by the second arc and handle, described positioning table is provided with main locating hole and some auxiliary positioning hole group of running through positioning table from top to bottom, and each group auxiliary positioning hole group equates with the distance between main locating hole, each is organized auxiliary positioning hole group and is comprised of some auxiliary positioning hole.
Further, described handle is semicircle cell body, and described handle is cylinder, and described handle is fastened in handle.
Further, the outer surface of described handle and handle is equipped with non-slip process.
Preferably, the central axis of described the first guide channel and the central axes of cone, the second guide channel and the 3rd guide channel are symmetrical arranged along the first guide channel.
Preferably, described main locating hole is positioned at the center of positioning table.
Preferably, described auxiliary positioning hole group's quantity is 3 groups.
Preferably, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, and 3 described auxiliary positioning holes are isosceles triangle arrangement.
The beneficial effects of the utility model are: puncture gate apparatus is by positioning needle fixed apparatus, the guide channel of 3 angles is selected the direction of Kirschner wire puncture, puncture locator has 3 groups of auxiliary positioning hole groups that distance is different, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, can combine different sizes, be applicable to the neck of femur diameter of different sizes, improve accuracy rate, the damage of minimizing to osseous tissue and soft tissue, makes to perform the operation safer.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram after this utility model combination;
Fig. 2 is the perspective view of puncture gate apparatus;
Fig. 3 is puncture gate apparatus plan structure schematic diagram;
Fig. 4 is the perspective view of puncture locator.
In figure: 1 puncture gate apparatus, 11 handles, 12 first arcs, 13 cones, 14 locating pieces, 141 inclined planes, 15 positioning needles, 16 first guide channels, 17 second guide channels, 18, the three guide channels, 2 puncture locators, 21 handles, 22 second arcs, 23 positioning tables, 24 main locating holes, 25 auxiliary positioning hole groups, 251 auxiliary positioning holes.
The specific embodiment
Femoral head Centesis instrument as shown in Figure 1 comprises puncture locator 2 and puncture gate apparatus 1, described puncture gate apparatus 1 comprises handle 11, the first arc 12, cone 13, locating piece 14, the first guide channel 15, the second guide channel 16, the 3rd guide channel 17 and two positioning needles 18, described puncture locator 2 comprises handle 21, the second arc 22 and positioning table 23, described handle 11 is semicircle cell body, described handle 12 is cylinder, and described handle 12 is fastened in handle 11.
Further, in order to increase the frictional force of handle 11 and handle 21, the outer surface of described handle 11 and handle 21 is equipped with non-slip process.
As shown in Figures 2 and 3, described handle 11 is affixed with the upper end, side of cone 13 by the first arc 12, the upper surface diameter of cone 13 is longer than cone 13 lower surface diameters, described locating piece 14 is cylindrical structural, the upper surface of locating piece 14 connects the lower surface of cone 13, locating piece 14 lower surfaces are inclined plane 141, the rear end symmetry of described two positioning needles 15 is fixed on described inclined plane 141, the first described guide channel 16, the second guide channel 17 and the 3rd guide channel 18 run through respectively cone 13 and locating piece 14 from top to bottom, wherein, the central axes of the central axis of described the first guide channel 16 and cone 13, the second guide channel 17 and the 3rd guide channel 18 are symmetrical arranged along the first guide channel 16.
As shown in Figure 4, described positioning table 23 is cylindrical structural, described positioning table 23 is affixed with handle 21 by the second arc 22, described positioning table 23 is provided with the main locating hole 24 that runs through positioning table 23 centers of circle from top to bottom, around main locating hole 24, be provided with three groups of auxiliary positioning hole groups 25, and each group auxiliary positioning hole group 25 equates with the distance between main locating hole 24, each auxiliary positioning hole group 25 comprises three auxiliary positioning holes 251, and three described auxiliary positioning holes 251 are isosceles triangle arranges, and positioning table 23 is run through respectively in each auxiliary positioning hole 251.
During use, first utilize the positioning needle 15 of puncture gate apparatus 1 head end, through skin incision, through muscle and soft tissue, positioning needle 15 is inserted and secured on femoral head cortical bone, and inclined plane 141 contacts with femur, re-use three Kirschner wires and insert respectively in three guide channels, under x-ray fluoroscopy, confirm position and the direction of Kirschner wire, retention position is the best one, take out puncture gate apparatus 1 and unnecessary Kirschner wire.
Then, along the Kirschner wire staying in advance, insert puncture locator 2, Kirschner wire is through main locating hole 24, in main locating hole 24 three groups of auxiliary positioning hole groups 25 around, a Kirschner wire is inserted in auxiliary positioning hole of any selection 251 of every group, under x-ray fluoroscopy, confirm the on position of last three Kirschner wires that insert, guarantee that Kirschner wire is inner at neck of femur, and press close to cortical bone.
Except structure described in the utility model, all the other are prior art.
The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of this utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (7)
1. femoral head Centesis instrument, it is characterized in that, comprise puncture locator and puncture gate apparatus, described puncture gate apparatus comprises handle, cone, locating piece, the first guide channel, the second guide channel, the 3rd guide channel and two positioning needles, described handle is affixed by the upper end, side of the first arc and cone, the upper end of described locating piece connects the lower surface of cone, locating piece lower surface is inclined plane, the rear end symmetry of described two positioning needles is fixed on described inclined plane, the first described guide channel, the second guide channel and the 3rd guide channel run through respectively cone and locating piece from top to bottom, described puncture locator comprises handle and positioning table, described positioning table is affixed by the second arc and handle, described positioning table is provided with main locating hole and some auxiliary positioning hole group of running through positioning table from top to bottom, and each group auxiliary positioning hole group equates with the distance between main locating hole, each is organized auxiliary positioning hole group and is comprised of some auxiliary positioning hole.
2. femoral head Centesis instrument according to claim 1, is characterized in that, described handle is semicircle cell body, and described handle is cylinder, and described handle is fastened in handle.
3. femoral head Centesis instrument according to claim 1 and 2, is characterized in that, the outer surface of described handle and handle is equipped with non-slip process.
4. femoral head Centesis instrument according to claim 1 and 2, is characterized in that, the central axis of described the first guide channel and the central axes of cone, and the second guide channel and the 3rd guide channel are symmetrical arranged along the first guide channel.
5. femoral head Centesis instrument according to claim 1 and 2, is characterized in that, described auxiliary positioning hole group's quantity is 3 groups.
6. femoral head Centesis instrument according to claim 1 and 2, is characterized in that, described main locating hole is positioned at the center of positioning table.
7. femoral head Centesis instrument according to claim 1 and 2, is characterized in that, each auxiliary positioning hole group comprises 3 auxiliary positioning holes, and 3 described auxiliary positioning holes are isosceles triangle arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182732.2U CN203763197U (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182732.2U CN203763197U (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203763197U true CN203763197U (en) | 2014-08-13 |
Family
ID=51280455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182732.2U Expired - Fee Related CN203763197U (en) | 2014-04-16 | 2014-04-16 | Caput femoris puncturing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203763197U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932761A (en) * | 2014-04-16 | 2014-07-23 | 王红军 | Caput femoris puncturing tool |
| CN105852947A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting set for department of orthopaedics |
| CN105852945A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting instrument for department of orthopaedics |
| CN105852946A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting assembly for department of orthopaedics |
-
2014
- 2014-04-16 CN CN201420182732.2U patent/CN203763197U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932761A (en) * | 2014-04-16 | 2014-07-23 | 王红军 | Caput femoris puncturing tool |
| CN105852947A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting set for department of orthopaedics |
| CN105852945A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting instrument for department of orthopaedics |
| CN105852946A (en) * | 2016-04-21 | 2016-08-17 | 贾新奎 | Bone grafting assembly for department of orthopaedics |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170416 |