CN212307957U - Tuberosity transverse osteotomy positioning guider - Google Patents
Tuberosity transverse osteotomy positioning guider Download PDFInfo
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- CN212307957U CN212307957U CN202020887094.XU CN202020887094U CN212307957U CN 212307957 U CN212307957 U CN 212307957U CN 202020887094 U CN202020887094 U CN 202020887094U CN 212307957 U CN212307957 U CN 212307957U
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Abstract
The utility model discloses a tuberosity transverse osteotomy positioning guider, which comprises a bone holding forceps and a positioning guider body, wherein the bone holding forceps comprises two forceps handles and a positioning device, and the two forceps handles are hinged through a pin shaft; the positioning guider body comprises a U-shaped piece and a clamping piece, the U-shaped piece is formed by connecting a cross rod and two vertical rods, and a first cut-off guide groove which is through from front to back is formed in the cross rod; a second osteotomy guide groove which is through from front to back is formed in the transverse part of the clamping piece, two positioning holes which are through up and down are formed in the transverse part of the clamping piece, and the two positioning holes are respectively formed in two sides of the second osteotomy guide groove; two vertical rods of the U-shaped part are correspondingly inserted into the two positioning holes one by one, and each vertical rod is fixed in the corresponding positioning hole through a bolt. The utility model discloses a bone location director is cut in transverse motion under tuberosity can be fixed in the femoral shaft, and the location is cut the bone distance and is controlled the shortening and cut the bone both ends and cut the bone direction, makes two cut the bone end and keeps parallel, is convenient for cut bone department and closes, is favorable to the later stage healing.
Description
Technical Field
The utility model relates to a tuberosity transection bone cutting positioning guider.
Background
The trochanteric osteotomy is a common operation formula for total hip replacement of patients with high dislocation congenital hip dysplasia. Can assist the joint to reset and effectively reduce the incidence rate of the traction loss of the vascular nerve in the resetting process. Among them, transverse osteotomy is one of the common ways of osteotomy under the tuberosity. Before, the osteotomy positioning of an operating doctor mostly depends on visual estimation by naked eyes or manual marking of an electrotome, the situations that the osteotomy lines at two ends of the shortened osteotomy are not parallel, the osteotomy position distance is difficult to determine and the like easily occur, the shortened length is not well controlled, the two ends of the osteotomy cannot be completely involuted, and the reduction of the osteotomy end and the healing of the osteotomy are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a bone location director is cut in horizontal line under tuberosity, can be fixed in the femoral shaft, the control shortens to cut bone position, distance and both ends and cuts the bone direction, makes two cut bone ends keep parallel, is convenient for cut bone department and involutes, is favorable to later stage healing.
The technical scheme for realizing the purpose is as follows: the utility model provides a tuberosity transects bone cutting positioning guide ware down, includes bone-holding forceps and positioning guide ware body, wherein:
the bone holding forceps comprise two forceps handles and a positioning device, the two forceps handles are hinged through a pin shaft, one end of each forceps handle is provided with an arc forceps head, the other end of each forceps handle is provided with a finger ring, the arc forceps heads of the two forceps handles are arranged in opposite directions, and the opposite surfaces of the arc forceps heads of the two forceps handles are respectively provided with a latch; the positioning device comprises a nut and a stud, a threaded hole which is through from front to back is formed in one of the clamp handles, the stud penetrates through the threaded hole and is connected with the other clamp handle, and the nut is arranged on the stud;
the positioning guider body comprises a U-shaped part and a clamping part, the U-shaped part is formed by connecting a cross rod and two vertical rods, a first cut-off guide groove which is communicated from front to back is formed in the cross rod, and a scale mark is arranged on one vertical rod; the clamping piece is connected by a transverse part and a longitudinal part to form an L shape, and the longitudinal part of the clamping piece is connected with the pin shaft; a second osteotomy guide groove which is through from front to back is formed in the transverse part of the clamping piece, two positioning holes which are through up and down are formed in the transverse part of the clamping piece, and the two positioning holes are respectively formed in two sides of the second osteotomy guide groove; the two vertical rods of the U-shaped part are correspondingly inserted into the two positioning holes one by one, and each vertical rod is fixed in the corresponding positioning hole through a bolt.
The tuberosity lower transverse osteotomy positioning guider is characterized in that the stud is positioned between the pin shaft and the finger ring.
The tuberosity transverse osteotomy positioning guide is characterized in that the positioning guide body and the positioning device are positioned on the same side of the bone holding forceps.
According to the tuberosity down-going transverse osteotomy positioning guider, the hole wall of each positioning hole is provided with a bolt mounting hole which is through from front to back, and a bolt penetrates through the bolt mounting hole and then is fixed with the corresponding vertical rod.
The tuberosity lower transverse osteotomy positioning guider is characterized in that the longitudinal part of the clamping piece is welded on the pin shaft.
The tuberosity lower transverse osteotomy positioning guider is characterized in that the longitudinal part of the clamping piece is connected with the pin shaft through a connecting rod.
The tuberosity lower transverse osteotomy positioning guider is characterized in that the cross section of the positioning hole is matched with that of the vertical rod.
The tuberosity transverse osteotomy positioning guide, wherein the first osteotomy guide slot and the second osteotomy guide slot are parallel to each other.
The utility model discloses a bone location director is cut in transverse motion under tuberosity can be fixed in the femoral shaft, and the control is shortened cuts bone position, distance and both ends and cuts the bone direction, makes two cut bone end keep parallel, and the department of being convenient for cut bone closes, is favorable to the later stage healing.
Drawings
FIG. 1 is a three-dimensional structure view of the tuberosity inferior transverse osteotomy positioning guide of the present invention;
FIG. 2 is an exploded view of the trochanter descending transverse osteotomy positioning guide of the present invention;
fig. 3 is a front view of the tuberosity inferior transverse osteotomy positioning guide of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, 2 and 3, a preferred embodiment of the present invention, a trochanter transverse osteotomy positioning guide, comprises a bone holding forceps 1 and a positioning guide body 2.
The bone holding forceps 1 comprises two forceps handles 11 and a positioning device, the two forceps handles 11 are hinged through a pin shaft 12, one end of each forceps handle 11 is provided with an arc forceps head 13, the other end of each forceps handle 11 is provided with a finger ring 14, the arc forceps heads 13 of the two forceps handles 11 are arranged oppositely, and the opposite surfaces of the arc forceps heads 13 of the two forceps handles 11 are respectively provided with a clamping tooth 15; the positioning device comprises a nut 16 and a stud 17, a threaded hole which is through from front to back is formed in one of the forceps handles 11, the stud 17 penetrates through the threaded hole and is connected with the other forceps handle 11, the nut 16 is arranged on the stud 17, and the stud 17 is positioned between the pin shaft 12 and the finger ring 14.
The positioning guider body 2 comprises a U-shaped part 21 and a clamping part 22, the U-shaped part 21 is formed by connecting a cross rod 211 and two vertical rods 212, a first osteotomy guide groove 23 which is through from front to back is formed in the cross rod 211, and a scale mark is arranged on one vertical rod 212; the clamping piece 22 is connected by a transverse part 221 and a longitudinal part 222 to form an L shape, the longitudinal part 222 of the clamping piece 22 is connected with the pin shaft 12, preferably in a welding mode, and the longitudinal part of the clamping piece 22 and the pin shaft 12 can also be connected through a connecting rod; a transverse part 221 of the clamping piece 22 is provided with a second osteotomy guide groove 24 which is through from front to back, the transverse part 221 of the clamping piece 22 is provided with two positioning holes 223 which are through up and down, and the two positioning holes 223 are respectively arranged at two sides of the second osteotomy guide groove 24; the two vertical rods 212 of the U-shaped member 21 are correspondingly inserted into the two positioning holes 223 one by one, a bolt mounting hole which is through from front to back is formed in the hole wall of each positioning hole 223, and the bolt 25 penetrates through the bolt mounting hole and then is fixed with the corresponding vertical rod 212, so that each vertical rod 212 is fixed in the corresponding positioning hole 223 through the bolt 25. The cross-sectional shape of the positioning hole 223 is matched with the cross-sectional shape of the vertical rod 212, for example, when the cross-section of the vertical rod 212 is trapezoidal, the cross-section of the positioning hole 223 is also trapezoidal, so that the vertical rod 212 can move in the positioning hole 223 conveniently.
The positioning guide body 2 and the positioning device are located on the same side of the bone-holding forceps 1. The first osteotomy guide groove 23 and the second osteotomy guide groove 24 are parallel to each other.
When the tuberosity transverse osteotomy positioning guider is used, the nut 16 is firstly loosened, the forceps handle 11 with the threaded hole is pulled outwards along the stud 17, so that the two arc forceps heads 13 are opened, the femoral shaft is held by the two arc forceps heads 13, then the nut 16 is screwed, the two vertical rods 212 of the U-shaped piece 21 are correspondingly inserted into the two positioning holes 223 one by one, the distance between the first osteotomy guiding groove 23 and the second osteotomy guiding groove 24 is adjusted through the scale mark on one vertical rod 212, namely the shortened osteotomy distance is obtained, the shortened osteotomy length can be controlled, the manual mark after the current osteotomy length control guiding rule is measured is solved, the problem of inaccuracy is controlled, then each vertical rod 212 is fixed in the corresponding positioning hole through the bolt 25, thus, the distance between the first osteotomy guiding groove 23 and the second osteotomy guiding groove 24 is determined, the blade can cut the bone after passing through the first osteotomy guiding groove 23 and the second osteotomy guiding groove 24, therefore, the first osteotomy guide groove 23 and the second osteotomy guide groove 24 are parallel to each other, so that the parallelism of two osteotomy ends can be controlled, the problem that the osteotomy lines at two ends of the shortened osteotomy are not parallel easily due to the fact that the current positioning is mostly estimated visually by naked eyes or manually marked electrically is solved, the osteotomy part is convenient to be involuted, and the later healing is facilitated.
To sum up, the utility model discloses a tuberosity transects bone positioning guider down can be fixed in the femoral shaft, and the control is shortened and is cut bone position, distance and both ends and cut the bone direction, makes two and cuts the bone end and keeps parallel, is convenient for cut bone department and involutes, is favorable to the later stage healing.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a tuberosity transects bone positioning guide ware down, its characterized in that, includes bone-holding forceps and positioning guide ware body, wherein:
the bone holding forceps comprise two forceps handles and a positioning device, the two forceps handles are hinged through a pin shaft, one end of each forceps handle is provided with an arc forceps head, the other end of each forceps handle is provided with a finger ring, the arc forceps heads of the two forceps handles are arranged in opposite directions, and the opposite surfaces of the arc forceps heads of the two forceps handles are respectively provided with a latch; the positioning device comprises a nut and a stud, a threaded hole which is through from front to back is formed in one of the clamp handles, the stud penetrates through the threaded hole and is connected with the other clamp handle, and the nut is arranged on the stud;
the positioning guider body comprises a U-shaped part and a clamping part, the U-shaped part is formed by connecting a cross rod and two vertical rods, a first cut-off guide groove which is communicated from front to back is formed in the cross rod, and a scale mark is arranged on one vertical rod; the clamping piece is connected by a transverse part and a longitudinal part to form an L shape, and the longitudinal part of the clamping piece is connected with the pin shaft; a second osteotomy guide groove which is through from front to back is formed in the transverse part of the clamping piece, two positioning holes which are through up and down are formed in the transverse part of the clamping piece, and the two positioning holes are respectively formed in two sides of the second osteotomy guide groove; the two vertical rods of the U-shaped part are correspondingly inserted into the two positioning holes one by one, and each vertical rod is fixed in the corresponding positioning hole through a bolt.
2. The trochanter inferior transverse osteotomy positioning guide of claim 1, wherein said stud is positioned between said pin and finger ring.
3. The trochanteric inferior transverse osteotomy positioning guide of claim 1, wherein said positioning guide body and positioning device are located on the same side of said bone forceps.
4. The tuberosity inferior transverse osteotomy positioning guide of claim 1, wherein the wall of each positioning hole is provided with a bolt mounting hole running through from front to back, and a bolt passes through the bolt mounting hole and then is fixed with a corresponding vertical rod.
5. The trochanter inferior transverse osteotomy positioning guide of claim 1, wherein a longitudinal portion of said snap member is welded to said pin.
6. The trochanter inferior transverse osteotomy positioning guide of claim 1, wherein a longitudinal portion of said snap member is connected to said pin by a connecting rod.
7. The trochanter inferior transverse osteotomy positioning guide of claim 1, wherein a cross-sectional shape of said positioning hole is adapted to a cross-sectional shape of said vertical post.
8. The trochanteric inferior transverse osteotomy positioning guide of claim 1, wherein said first osteotomy guide slot and said second osteotomy guide slot are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887094.XU CN212307957U (en) | 2020-05-25 | 2020-05-25 | Tuberosity transverse osteotomy positioning guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887094.XU CN212307957U (en) | 2020-05-25 | 2020-05-25 | Tuberosity transverse osteotomy positioning guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212307957U true CN212307957U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020887094.XU Active CN212307957U (en) | 2020-05-25 | 2020-05-25 | Tuberosity transverse osteotomy positioning guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212307957U (en) |
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2020
- 2020-05-25 CN CN202020887094.XU patent/CN212307957U/en active Active
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