CN216908098U - Pelvis fracture screw implantation guider - Google Patents
Pelvis fracture screw implantation guider Download PDFInfo
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- CN216908098U CN216908098U CN202220024703.8U CN202220024703U CN216908098U CN 216908098 U CN216908098 U CN 216908098U CN 202220024703 U CN202220024703 U CN 202220024703U CN 216908098 U CN216908098 U CN 216908098U
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- guide
- cuboid structure
- hollow cuboid
- guide pin
- fracture screw
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Abstract
The utility model discloses a pelvic fracture screw implantation guider, which comprises a handle, wherein the front end of the handle is bent upwards to form a connecting part, and a guide pin hole is formed in the connecting part; and the director body, it is hollow cuboid structure, the one end of hollow cuboid structure is connected with connecting portion, the other end is provided with positioning groove, positioning groove is last to have seted up the locating hole, the upper surface undercut of hollow cuboid structure forms the guide slot, the guide slot separates hollow cuboid structure into about two cavitys, the guide pin hole is linked together with the rear end of guide slot and two cavitys, the front end of guide pin can penetrate from the guide pin hole, wear out by the locating hole behind guide slot and/or cavity. The positioning of the operation of the LC2 screw for the fractured pelvis is realized by arranging three positioning holes on the support, the guide pins in different directions are implanted into different people, the pain of a patient is reduced due to the accurate guiding in the operation process, and the success probability of the operation is increased.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a pelvic fracture screw implantation guider.
Background
Pelvic fracture is one of the most serious injuries in trauma orthopedics, and is commonly seen in high-energy injuries such as traffic accident injury and high-altitude falling injury. Although the meniscus fracture of pelvis is fixed by channel screws (LC2 screws and sacroiliac joint screws) to meet the requirement of minimally invasive fixation and obtain satisfactory clinical curative effect, the main defects of the percutaneous LC2 screw nail placement technology are that the operation is relatively complex, the direction is difficult to adjust, and repeated perspective is needed. The needle insertion point is relatively difficult to locate, and when the position is not good and needs to be adjusted, the needle insertion point needs to be located from the beginning.
Accordingly, there is a need for an external pelvic fixation device that can assist in intraoperative positioning guidance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a pelvic fracture screw implantation guider, which aims at solving the problems of infirm fixation and incapability of accurate positioning of the existing guider and fills the requirement of the guiding blank of the existing LC2 screw.
The technical problem to be solved by the utility model is realized by the following technical scheme:
a pelvic fracture screw implantation guide, comprising:
the front end of the handle is bent upwards to form a connecting part, and a guide pin hole is formed in the connecting part; and
The guider body, it is hollow cuboid structure, the one end of hollow cuboid structure with connecting portion are connected, and the other end is provided with positioning groove, positioning groove is last to have seted up the locating hole, the upper surface undercut of hollow cuboid structure forms the guide slot, the guide slot will two cavitys about hollow cuboid structure is separated into, the guide pin hole with guide slot and two the rear end portion of cavity is linked together, and the front end of guide pin can be followed the guide pin hole penetrates, process the guide slot and/or behind the cavity by the locating hole is worn out.
Preferably, in the above technical solution, the hollow rectangular parallelepiped structure is connected to the connecting portion by welding.
Preferably, in the above technical solution, the guide groove is an inverted isosceles triangle structure.
Preferably, in the above technical solution, the positioning holes correspond to the guide pin holes.
Preferably, in the above technical solution, an outer surface of one end of the positioning clamp groove away from the handle is an arc-shaped structure, and the arc-shaped structure is used for clinging to an inner side edge of an anterior-inferior iliac spine of the pelvis to define an inner side boundary.
Preferably, in the above technical solution, the handle includes a handheld portion, the handheld portion is integrally connected with the connecting portion, and the length of the handheld portion is 90 mm.
Preferably, in the above technical solution, the length of the guider body is 80 mm.
Preferably, in the above technical solution, the screw is an LC2 screw.
The technical scheme of the utility model has the following beneficial effects:
the positioning of the operation of the LC2 screw for the fractured pelvis is realized by arranging three positioning holes on the support, the guide pins in different directions are implanted into different people, the pain of a patient is reduced due to the accurate guiding in the operation process, and the success probability of the operation is increased.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a pelvic fracture screw implantation guide according to the present invention.
Fig. 2 is a top view of the pelvic fracture screw implantation guide of the present invention.
Fig. 3 is a left side view of the pelvic fracture screw implantation guide of the present invention.
Fig. 4 is a schematic structural view of the handle of the utility model.
Fig. 5 is a schematic structural view of the deflector body of the present invention.
Wherein: 1-handle, 11-connecting part, 12-guide pin hole, 2-guider body, 21-guide groove, 22-positioning clamping groove, 23-positioning hole, 24-cavity and 3-guide pin.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
As shown in fig. 1-5: a pelvic fracture screw implantation guide, comprising: a handle 1 and a guide body 2. The following details:
the front end of the handle 1 is bent upwards to form a connecting part 11, and a guide pin hole 12 is formed on the connecting part 11.
Further, one end of the hollow cuboid structure is connected with the connecting part 11 in a welding mode.
Further, the guide groove 21 has an inverted isosceles triangle structure.
Further, the positioning hole 23 corresponds to the position of the guide pin hole 12. Preferably, the guide pin hole 12 is an inverted T-shaped structure, and 3 guide pins can be mounted on the upper end and the left and right ends of the inverted T-shaped structure. The guide pin at the upper end is penetrated through the guide slot 21, and the guide pins 3 at the left and right ends are penetrated through the left and right cavities 24 respectively.
Further, the outer surface of the end of the positioning clamping groove 22 far away from the handle 1 is of an arc structure, and the arc structure is used for clinging to the inner side edge of the anterior-inferior iliac spine of the pelvis so as to limit the inner side boundary.
Further, the handle 1 includes a hand-held portion 13, and the hand-held portion 13 is integrally connected to the connecting portion 11.
Further, the screw is an LC2 screw.
Preferably, the length of the hand-held portion 13 is 90 mm; the length of the guide body 2 is 80 mm. Of course, the present application is not limited thereto, and those skilled in the art can select an appropriate size as needed.
The utility model provides a guider is implanted to pelvis fracture screw hugs closely the inboard edge of pelvis ilium front lower spine to border draw-in groove (positioning groove 22) in the direction during application, and the guide pin is bored in to adjusting screw direction utilizing the guide pin adjustment hole, if the guide pin needs the adjustment apart from, also can tightly press close to and already put into the guide pin edge and put into the guide pin again, reach the ideal position.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited thereto, and various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (8)
1. A pelvic fracture screw implantation guide, comprising:
the front end of the handle (1) is bent upwards to form a connecting part (11), and a guide pin hole (12) is formed in the connecting part (11); and
guider body (2), it is hollow cuboid structure, the one end of hollow cuboid structure with connecting portion (11) are connected, and the other end is provided with positioning groove (22), positioning hole (23) have been seted up on positioning groove (22), the upper surface undercut of hollow cuboid structure forms guide slot (21), guide slot (21) will hollow cuboid structure is separated into about two cavities (24), guide pin hole (12) with guide slot (21) and two the rear end portion of cavity is linked together, and the front end of guide pin (3) can be followed guide pin hole (12) penetrate, process guide slot (21) and/or behind cavity (24) by locating hole (23) are worn out.
2. The pelvic fracture screw implantation guide according to claim 1, wherein the hollow cuboid structure is welded to the connecting portion (11).
3. The pelvic fracture screw implantation guide according to claim 1, wherein the guide channel (21) is of inverted isosceles triangular configuration.
4. The pelvic fracture screw implantation guide according to claim 1, wherein the positioning hole (23) corresponds to a position of the guide pin hole (12).
5. The pelvic fracture screw implantation guide according to claim 1, wherein an outer surface of an end of the locator slot (22) distal to the handle (1) is of arcuate configuration for abutting against an inner lateral edge of the anterior-inferior pelvic eminence to define an inner lateral boundary.
6. The pelvic fracture screw implantation guide according to claim 1, wherein the handle (1) comprises a hand-held portion (13), the hand-held portion (13) being integrally connected with the connecting portion (11), the hand-held portion (13) having a length of 90 mm.
7. The pelvic fracture screw implantation guide according to claim 1, wherein the length of the guide body (2) is 80 mm.
8. The pelvic fracture screw implantation guide of claim 1, wherein the screw is an LC2 screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024703.8U CN216908098U (en) | 2022-01-06 | 2022-01-06 | Pelvis fracture screw implantation guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024703.8U CN216908098U (en) | 2022-01-06 | 2022-01-06 | Pelvis fracture screw implantation guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908098U true CN216908098U (en) | 2022-07-08 |
Family
ID=82255689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220024703.8U Active CN216908098U (en) | 2022-01-06 | 2022-01-06 | Pelvis fracture screw implantation guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216908098U (en) |
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2022
- 2022-01-06 CN CN202220024703.8U patent/CN216908098U/en active Active
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