Femoral fracture autonomous path-finding line passing device

Abstract

The utility model relates to a femur fracture autonomous path-finding line passing device, which is characterized by comprising a hose and a push-pull assisting component, the hose consists of a tip part and a tube body part, the tip part and the tube body part are fixedly connected into a whole, and the push-pull assisting component is arranged on the inner wall of the tube body part. Then the whole push-and-pull assisting assembly is pushed through the circular ring handle, a metal sheet in the push-and-pull assisting assembly can drive the tip of the hose to bend in the opposite direction, and after the threading device passes through the front of the thighbone, the threading device can repeatedly push and pull the circular ring handle while surrounding the thighbone inwards, so that the tip of the hose automatically finds a gap behind the thighbone; therefore, the purpose of surrounding is achieved, and the whole thread passing device is tightly attached to the bone surface of the thighbone. The hose designed by the utility model is formed by weaving metal, can be bent at will, has certain toughness, and can meet the use requirements of different patients in use.

Description

Technical Field

[0001] This utility model relates to the technical field of surgical instruments for femoral fractures, and in particular to a self-guided suture guide for femoral fractures. Background Technology

[0002] Femoral fractures often require ligation and fixation with steel wires or titanium cables. Because the femur is relatively thin and surrounded by thick fascia and muscles, it is essential to know how to safely and minimally invasively ligate the femoral fracture site.

[0003] Currently, commonly used suture guides are mainly rigid (metal) hooks or metal rings. The drawback of this method is that its curvature is a fixed value, which cannot be adjusted according to the femur thickness and muscle fullness of different people. In addition, there are many important blood vessels around the femur, requiring the suture guide to be placed close to the bone surface. Therefore, there is an urgent need to design an autonomous pathfinding suture guide to solve the above problems. Utility Model Content

[0004] In view of the above-mentioned technical problems, this utility model provides a femoral fracture self-guided suture device. The device can automatically complete the femoral wrapping operation through a flexible tube that can pass through steel wire or titanium cable by controlling the push-pull assist component. The entire suture device is in close contact with the bone surface of the femur.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A femoral fracture self-guided suture guide, characterized by comprising a flexible tube and a push-pull assist component, wherein the flexible tube consists of a tip and a body, the tip and the body being fixedly connected as one unit, and the push-pull assist component being disposed on the inner wall of the body.

[0007] The push-pull assist component consists of a metal strip, a metal sheet, and a circular handle. A metal sheet is fixedly mounted at one end of the metal strip, and a circular handle is installed at the other end of the metal strip.

[0008] The metal sheet is disposed on the inner wall of the tube body near the tip, and the metal strip is fixed on the inner wall of the tube body by multiple limiting rings.

[0009] Specifically, multiple limiting rings are arranged at intervals on the inner wall of the tube body.

[0010] Specifically, the circular handle is located on the outside of the hose.

[0011] Specifically, the hose is made of metal braid and is designed to allow steel wire or titanium cable to pass through it.

[0012] Specifically, the metal strips and metal sheets can be made of steel.

[0013] The beneficial effects of this utility model are:

[0014] When in use, the flexible tube is in contact with the femoral bone surface on one side. Then, the entire push-pull assist assembly is pushed by the ring handle. The metal plate in the push-pull assist assembly will cause the tip of the flexible tube to bend in the opposite direction. After the suture passes the front of the femur, it can be pushed and pulled repeatedly while wrapping around the femur inward. This allows the tip of the flexible tube to autonomously find the gap behind the femur, thereby achieving the purpose of wrapping. The entire suture is in close contact with the femoral bone surface.

[0015] The flexible tube designed in this invention is made of metal braid, which can be bent at will and has a certain degree of toughness, so that it can meet the needs of different patients during use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the femoral fracture autonomous pathfinding cable guide of this utility model;

[0017] Figure 2 This is a schematic diagram of the push-pull assist component of the femoral fracture autonomous pathfinding cable guide of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the femoral fracture autonomous pathfinding cable guide of this utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the femoral fracture autonomous pathfinding cable guide of this utility model during use;

[0020] As shown in the figure: 100. Femur, 1. Hose, 11. Tip, 12. Body, 2. Push-pull assist assembly, 21. Metal strip, 22. Metal sheet, 23. Circular handle, 3. Limiting ring. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] Example 1

[0025] As shown in the figure, the hose 1 is made of metal braiding and can be pierced by steel wire or titanium cable. The hose 1 consists of a tip 11 and a body 12, which are fixedly connected as one unit.

[0026] A push-pull assist assembly 2 is provided on the inner wall of the tube body 12. The push-pull assist assembly 2 consists of a metal strip 21, a metal plate 22, and a circular handle 23. The metal plate 22 is fixedly installed at one end of the metal strip 21, and the circular handle 23 is installed at the other end of the metal strip 21. The circular handle 23 is located outside the hose 1. The metal strip 21 and the metal plate 22 can be made of steel.

[0027] The metal sheet 22 is disposed on the inner wall of the tube body 12 near the tip 11. The metal strip 21 is fixed on the inner wall of the tube body 12 by a plurality of limiting rings 3, and the plurality of limiting rings 3 are arranged at intervals on the inner wall of the tube body 12.

[0028] Example 2

[0029] When using this utility model, such as Figure 4 As shown, the hose 1 is initially in contact with the bone surface of the femur 100. Then, the entire push-pull assist assembly 2 is pushed by the ring handle 23. During the process of pushing the push-pull assist assembly 2, the hose 1 will be in close contact with the side of the femur 100 and move forward under the push. When the tip 11 of the hose 1 passes the front of the femur 100 and moves to the point where it can wrap around the femur 100 inward, the ring handle 23 is pushed and pulled. Under the force, the tip 11 of the hose 1 will autonomously find the gap behind the femur 100 (below the femur 100 shown in the figure). The metal plate 22 in the push-pull assist assembly 2 will drive the tip 11 of the hose 1 to bend in the opposite direction, thereby achieving the purpose of wrapping.

[0030] During use, the entire flexible tube 1 is in close contact with the bone surface of the femur 100. The flexible tube 1 is made of metal braid, which can be bent at will and has a certain degree of toughness, so it can meet the needs of different patients.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. The various components mentioned in this utility model are common technologies in the existing field. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A self-guiding over-the-wire femoral fracture device, characterized in that The utility model provides a kind of hose and push-pull assisting component, the hose is made of tip and pipe body, the tip is fixedly connected with pipe body as a whole, the inner wall of pipe body is provided with push-pull assisting component, the push-pull assisting component is made of metal strip, metal sheet and circular ring handle, one end of metal strip is fixedly provided metal sheet, the other end of metal strip is installed circular ring handle, the metal sheet is arranged on the inner wall of pipe body and is located at the position close to tip, and the metal strip is positioned on the inner wall of pipe body by multiple limiting clamps.

2. The femoral fracture self-guiding wire passer of claim 1, wherein Multiple limiting clamps are arranged on the inner wall of the pipe body in an interval.

3. The femoral fracture self-guiding wire passer of claim 1, wherein The circular ring handle is located outside the hose.

4. The femoral fracture self-guiding wire passer of claim 1, wherein The hose is made of metal braid.

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