CN218606791U

CN218606791U - Rib fracture reduction fixing device

Info

Publication number: CN218606791U
Application number: CN202221619771.5U
Authority: CN
Inventors: 刘伟; 冯美; 李臣虹
Original assignee: First Hospital Jinlin University
Current assignee: First Hospital Jinlin University
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-03-14
Anticipated expiration: 2032-06-27

Abstract

A rib fracture reduction fixing device relates to a bone connector and solves the problems that in the prior art, the trauma is large, effective reduction and surrounding fixation are difficult to realize, and loosening and even re-fracture easily occur. The utility model discloses a rib fracture fixing device that resets mainly includes: a fixing member installed inside the rib; a plurality of fixing clamps mounted inside the ribs; a screw for connecting the fixing member and the fixing clamp member; the number of the screws and the number of the fixed clamping pieces are the same; the central axis of the fixing piece corresponds to the fracture of the rib. The utility model has small wound to human body, reduces the harm to human body and is beneficial to the recovery after rib fracture; the utility model has stable structure and large clamping force, can not cause the problems of looseness and even re-fracture, and can effectively reset and fix the fractured region of the rib; the utility model discloses simple structure is convenient for install and fixed.

Description

Rib fracture reduction fixing device

Technical Field

The utility model relates to a bone-knitting device, in particular to a reduction fixing device for rib fracture.

Background

The ribs are the thorax for supporting the chest of a human body to protect organs of organs such as the heart, the liver and the like. The external force factors may cause the rib fracture, such as car accident, high fall, etc., and in addition, pathological fracture may occur, such as the rib fracture caused by tumor patients and osteoporosis patients. Rib fracture is the most common injury mode in chest fracture, chest pain is obvious when the ribs fracture, and because the ribs are connected with rib nerves, the pain feeling of the rib fracture is stronger than that of four limbs.

The traditional internal fixation operation for rib fracture incision reduction usually needs to open an incision about 20 cm, and the wound is large. In addition, a nickel-titanium memory alloy rib connector is used, drilling is not needed on a rib when the connector is used, and compared with the traditional rib fracture incision reduction internal fixation operation, the damage is small, but the nickel-titanium memory alloy adopted by the nickel-titanium memory alloy rib connector is small in restoring force generated when the shape is restored, the restoring surrounding fixation of a rib fracture part is difficult to realize due to the small restoring force, and the problems that the connector is loosened and even is fractured again easily occur.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a rib fracture fixing device that resets to there is the wound big and be difficult to realize that effectual reduction embraces fixedly, the problem that the fracture is not hard up or even reopened easily in solution prior art.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the utility model discloses a rib fracture fixing device that resets, include:

a fixing member installed inside the rib;

a plurality of fixing clamps installed inside the ribs;

a screw for connecting the fixing member and the fixing clamp;

the number of the screws and the number of the fixed clamping pieces are the same;

the central axis of the fixing piece corresponds to the fracture of the rib.

Further, the fixing member includes: the fixing plate, a plurality of positioning holes arranged on the fixing plate and limiting strips arranged on the edges of two sides of the fixing plate; the inner wall of the limit strip is attached to the upper side and the lower side of the rib.

Furthermore, the number of the positioning holes is four, and the four positioning holes are symmetrically distributed on the central axis of the fixing plate.

Furthermore, the inner diameters of the positioning holes are the same.

Furthermore, the length of the limiting strip is equal to that of the fixing plate.

Furthermore, the fixing plate is made of a titanium alloy material.

Further, the fixing clamp includes: the fixing plate comprises a fixing plate, a fixing column arranged in the center of the surface of the fixing plate and blind holes arranged on the fixing column; and an internal thread is tapped in the blind hole and used for mounting a screw.

Further, the length of the fixing column is equal to the sum of the thickness of the fixing plate and the thickness of the rib.

The beneficial effects of the utility model are that:

compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a rib fracture fixing device that resets, it is less to human wound, reduced the injury to the human body, be favorable to the recovery after the rib fracture.

2. The utility model discloses a rib fracture fixing device that resets, stable in structure, the clamping-force is big, the problem of not hard up or even recrush can not appear, can effectively reset fixedly to rib fracture region.

3. The utility model discloses a rib fracture fixing device that resets, simple structure is convenient for install and fix.

4. The utility model discloses a rib fracture fixing device that resets adopts the minimal access surgery mode during the installation, and wound is little, the hemorrhage is few, reduce the complication.

Drawings

Fig. 1 is a schematic view of the overall structure of the rib fracture reduction fixation device of the present invention.

Fig. 2 is a schematic structural view of the fixing member.

Figure 3 is a cross-sectional schematic view of the fastener.

Fig. 4 is a schematic structural view of the fixing clip.

Fig. 5 is an installation schematic view of the rib fracture reduction fixing device of the present invention.

In the figure, 1, a fixing part, 1-1, a positioning hole, 1-2, a limiting strip, 1-3, a fixing plate, 2, a screw, 3, a fixing clamping part, 3-1, a fixing disc, 3-2, a fixing column, 3-3, a blind hole, 4, a rib, 4-1 and a rib fracture part are shown.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1, the rib fracture reduction fixing device of the present invention mainly comprises: a fixing member 1, a screw 2 and a fixing clamp member 3. Wherein, the number of the fixing clamping pieces 3 is multiple, the number of the screws 2 is multiple, and the number of the fixing clamping pieces 3 is equal to the number of the screws 2. The fixing part 1 and the fixing clamping part 3 are both arranged on the inner side of the rib 4, the fixing part 1 and the fixing clamping part 3 are connected through a screw 2, the screw 2 is arranged on the outer side of the rib 4, and meanwhile, the central axis of the fixing part 1 corresponds to the fracture part 4-1 of the rib.

As shown in fig. 2 and 3, the fixing member 1 mainly includes: a positioning hole 1-1, a limiting strip 1-2 and a fixing plate 1-3. The fixing plate 1-3 is provided with a plurality of positioning holes 1-1, the edges of two sides of the fixing plate 1-3 are provided with limiting strips 1-2, and the surface of the fixing plate 1-3 is smooth. When the fixing plate is installed, the inner side face of the fixing plate 1-3 is attached to the rib 4, and the inner walls of the limiting strips 1-2 at the edges of the two sides of the fixing plate 1-3 are attached to the upper side and the lower side of the rib 4, so that the rib 4 is effectively limited. In the embodiment, the number of the positioning holes 1-1 is four, and the positioning holes are symmetrically distributed on the central axis of the fixing plate 1-3, that is, two positioning holes 1-1 are distributed on the left side of the fixing plate 1-3, two positioning holes 1-1 are distributed on the right side of the fixing plate 1-3, and the two positioning holes 1-1 on the left side of the fixing plate 1-3 are symmetrically arranged with the two positioning holes 1-1 on the right side of the fixing plate 1-3.

In this embodiment, the inner diameters of the positioning holes 1-1 should be the same.

In the embodiment, the length of the limiting strip 1-2 is equal to that of the fixing plate 1-3.

As shown in fig. 4, the fixing clip 3 mainly includes: a fixed plate 3-1, a fixed column 3-2 and a blind hole 3-3. The fixing column 3-2 is arranged in the center of the inner surface of the fixed disk 3-1, and the fixing column 3-2 is perpendicular to the fixed disk 3-1. The fixing column 3-2 is provided with a blind hole 3-3, and an internal thread is tapped in the blind hole 3-3 and used for installing the screw 2.

In the embodiment, the length of the fixing column 3-2 is equal to the sum of the thickness of the fixing plate 1-3 and the thickness of the rib 4.

As shown in fig. 5, the reduction fixation device for rib fracture of the utility model is installed by making a minimally invasive incision A on the upper side of the patient's rib fracture 4-1 and making a minimally invasive incision C on the lower side of the rib fracture 4-1; then, drilling mounting holes on the fractured ribs 4 from the minimally invasive incision C, wherein the number of the drilled mounting holes is the same as that of the positioning holes 1-1 on the fixing piece 1, the positions of the drilled mounting holes are in one-to-one correspondence with the positions of the positioning holes 1-1 on the fixing piece 1, and the inner diameters of the drilled mounting holes are the same as that of the positioning holes 1-1 on the fixing piece 1; the fixing piece 1 is placed inside a rib fracture part 4-1 from a minimally invasive incision A by using the existing endoscope and clamping instrument, the central axis of the fixing plate 1-3 corresponds to the rib fracture part 4-1, meanwhile, the fixing column 3-2 at the front end of the fixing clamping piece 3 sequentially penetrates through a positioning hole 1-1 on the fixing piece 1 and a mounting hole on the rib 4 from the minimally invasive incision A by using the existing endoscope and clamping instrument, the existing endoscope and clamping instrument are used for clamping the screw 2 to enter the human body from the minimally invasive incision C, so that the screw 2 is positioned outside the rib 4, the screw 2 is screwed into an internal thread of a blind hole 3-3 of the fixing clamping piece 3, and the fixing piece 1, the screw 2 and the fixing clamping piece 3 can realize resetting and fixing of the rib 4 after connection.

Or, during installation, a minimally invasive incision B can be made on the other side of the patient rib fracture 4-1 (if the rib fracture 4-1 is located on the left side of the patient, the minimally invasive incision B should be opened on the right side of the patient, and similarly, if the rib fracture 4-1 is located on the right side of the patient, the minimally invasive incision B should be opened on the left side of the patient), the minimally invasive incision A is replaced by the minimally invasive incision B, and other steps are performed according to the operation.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rib fracture reduction fixation device, comprising:

a fixing member mounted inside the rib;

a plurality of fixing clamps installed inside the ribs;

a screw for connecting the fixing member and the fixing clamp member;

the central axis of the fixing piece corresponds to the fracture of the rib.

2. The rib fracture reduction fixation device of claim 1, wherein the fixture comprises: the fixing plate, a plurality of positioning holes arranged on the fixing plate and limiting strips arranged on the edges of two sides of the fixing plate; the inner wall of the limit strip is attached to the upper side and the lower side of the rib.

3. The rib fracture reduction fixation device of claim 2, wherein the number of the positioning holes is four, and the four positioning holes are symmetrically distributed around the central axis of the fixation plate.

4. The rib fracture reduction fixation device of claim 2, wherein the inner diameters of the plurality of positioning holes are the same.

5. The rib fracture reduction fixation device of claim 2, wherein the stop strip is the same length as the fixation plate.

6. The rib fracture reduction fixation device of claim 2, wherein the fixation plate is made of titanium alloy.

7. The rib fracture reduction fixation device of claim 2, wherein the fixation clamp comprises: the fixing plate comprises a fixing plate, a fixing column arranged in the center of the surface of the fixing plate and a blind hole arranged on the fixing column; and an internal thread is tapped in the blind hole and used for mounting a screw.

8. The rib fracture reduction fixation device of claim 7, wherein the length of the fixation post is equal to the sum of the thickness of the fixation plate and the thickness of the ribs.