CN215778414U

CN215778414U - Metal spicule with lead function

Info

Publication number: CN215778414U
Application number: CN202121710013.XU
Authority: CN
Inventors: 刘肖肖; 苏文茂; 魏玉俭; 张鹏
Original assignee: Shinva Surgical Instrument Co ltd
Current assignee: Shinva Surgical Instrument Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-11
Anticipated expiration: 2031-07-26

Abstract

The utility model belongs to the field of orthopedic medical instruments, and particularly relates to a metal bone needle with a lead function. The metal spicule can realize internal fixation of fracture or fracture reduction traction, and can also be used for lead suture treatment of a deeper bone tunnel, in the whole operation process, two steps of operations of positioning and reaming at the early stage and leading at the later stage can be simultaneously completed through one metal spicule, instruments do not need to be replaced, the operation time of a doctor is reduced, the operation efficiency is improved, and the pain of a patient is reduced; the metal spicules are adopted for bone tunnel lead, so that the operation is more convenient; and the requirement of the metal bone on the inner diameter of the bone tunnel is not large, the bone tunnel with larger diameter is not required to be formed during reaming, and the reaming operation becomes easier.

Description

Metal spicule with lead function

Technical Field

The utility model relates to a metal spicule with a lead function, and belongs to the field of orthopedic medical instruments.

Background

The metal spicule is a common instrument in the orthopedic operation, and is partially implanted into a human body for traction when the fracture is reduced or plays a role in internal fixation when the orthopedic operation is carried out, but the metal spicule with the conventional structure can only be used for the traction or the internal fixation when the fracture is reduced.

However, in many fracture surgeries, the suture or the bundling of the deep bone tunnel lead is also performed at the same time, and in such cases, the doctor needs to perform positioning with a metal bone needle, then perform reaming with a hollow bone drill to form the bone tunnel, then replace the wire grasping forceps, pass the suture (or the flexible metal wire, etc.) through the bone tunnel with the wire grasping forceps, and then perform the subsequent suture or the bundling. In the actual operation process, after reaming, a doctor needs to replace the instrument with a wire grasping forceps, so that the operation time is increased, the pain of a patient is possibly increased, and the discomfort is brought to the patient. In addition, the head of the wire grasping forceps is large, so that a bone tunnel with a large diameter needs to be reamed, and the operation of leading wires is inconvenient.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcome not enough among the prior art, provide one kind and be applicable to the bone tunnel lead wire and sew up or tie up and can accomplish the metal spicule of taking the lead wire function of location reaming and the two-step operation of later stage lead wire simultaneously, in this operation process, can reduce the operation time, improve operation efficiency.

The metal bone needle with the lead function comprises a cylindrical needle body with a smooth surface, wherein the front end of the needle body is provided with a blade part, the rear end of the needle body is a tail part, the tail part is provided with a wire hole, the outer wall of the tail part is provided with a lead groove, and the lead groove is communicated with the wire hole.

In the orthopedic operation, when a fracture part needs to be fixed, a manual or electric tool for rotating a bone needle is sleeved on the tail part of a needle body, then a hole is drilled on a bone by using a blade part at the front end, and finally, internal fracture fixation or fracture reduction traction is realized through a metal bone needle.

When the lead suture treatment of a deeper bone tunnel needs to be carried out, a metal bone needle needs to be firstly used for positioning, then a hollow bone drill is sleeved on the metal bone needle for positioning through a deep hole of the hollow bone drill, the metal bone needle is used as a guide needle to guide the hollow bone drill to carry out reaming on the bone tunnel, after the reaming is finished, a suture line is placed in a line hole at the tail part of the metal bone needle along a lead groove, the metal bone needle drives the suture line to pass through the related bone tunnel, the lead is finished, and then the suture or binding fixation is carried out. In the whole operation process, the two-step operation of early positioning and reaming and later leading can be simultaneously completed by one metal spicule, and instruments do not need to be replaced in the middle (namely, compared with the traditional operation, the metal spicule for positioning does not need to be replaced by a wire grasping clamp), so that the time for replacing the instruments by a doctor in the operation is reduced, the operation efficiency is improved, and the pain of a patient is reduced; in addition, because of the metal spicule is thinner, the operation of leading wires is more convenient, the requirement on the inner diameter size of the bone tunnel is not large, the bone tunnel with larger diameter does not need to be formed during reaming, and the reaming operation becomes easier.

The front end of the needle body of the metal spicule is a blade part, so that the metal spicule is relatively sharp and can easily pass through a narrow deep hole bone tunnel; the friction between the needle body and the bone tunnel can be reduced due to the smooth surface of the needle body.

Preferably, the thread guiding groove is a chute which inclines from the front to the back from the outer wall of the needle body to the thread hole, so that the suture thread can be conveniently guided into the thread hole.

Preferably, the suture hole is a strip-shaped hole, the length direction of the suture hole is consistent with the length direction of the needle body, and the suture hole is designed to be a strip-shaped hole, so that the suture can be effectively prevented from falling out of the suture hole.

Preferably, the blade part at the front end of the needle body is in a triangular cone shape, and the blade part is in a triangular cone shape and is relatively sharp, so that the whole metal bone needle can conveniently pass through a narrow deep hole bone tunnel.

Compared with the prior art, the utility model has the beneficial effects that:

compared with the conventional metal spicule, the metal spicule can realize the internal fixation of the conventional fracture or the reduction traction of the fracture, and can also be used for the suture treatment of the lead of a deeper bone tunnel, in the whole operation process, the two-step operation of the early positioning and reaming and the later lead can be simultaneously finished by one metal spicule, and the instrument does not need to be replaced in the middle, so that the time of replacing the instrument by a doctor in the operation is reduced, the operation efficiency is improved, and the pain of a patient is reduced; the cutting part at the front end of the needle body is relatively sharp, so that the whole metal bone needle can conveniently pass through a narrow deep-hole bone tunnel, and compared with the conventional wire grasping forceps, the metal bone needle is adopted for bone tunnel lead wire, so that the operation is more convenient; the requirement of the metal bone on the inner diameter size of the bone tunnel is not large, the bone tunnel with larger diameter is not required to be formed during reaming, and the reaming operation is easier; the surface of the needle body is smooth, and the friction between the needle body and the bone tunnel is reduced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is a partial enlarged view of portion I of FIG. 1;

FIG. 4 is a view showing the state of application of the metal bone pin;

fig. 5 is a second state diagram of the application of the metal bone needle.

In the figure: 1. a blade part; 2. a needle body; 3. a tail portion; 4. a wire hole; 5. a lead slot; 6. a femoral end; 7. a tibial end; 8. drilling a hollow bone; 9. a suture or flexible wire; 10. a bone tunnel.

Detailed Description

Embodiments of the utility model are further described below with reference to the accompanying drawings:

as shown in fig. 1 to 3, the metal spicule comprises a cylindrical needle body 2 with a smooth surface, wherein the front end of the needle body 2 is provided with a blade part 1, and the blade part 1 is in a triangular cone shape; the rear end of the needle body 2 is a tail part 3, the tail part 3 is provided with a line hole 4, the line hole 4 is a strip-shaped hole, the length direction of the line hole is consistent with the length direction of the needle body 2, the outer wall of the tail part 3 is provided with a lead groove 5, the lead groove 5 is a chute, and the lead groove is inclined from the front to the back from the outer wall of the needle body 2 to the line hole 4 and is communicated with the line hole 4. In this embodiment, the tail portion 3 of the needle body having the elongated wire hole and the lead wire groove is of an approximately R-shaped structure.

The metal spicule of the embodiment can be used for internal fixation of fracture parts and can also be used for lead suture treatment of a deeper bone tunnel 10. The use of the metal bone needle is now described by way of example of a suture procedure for a lead in a deeper bone tunnel 10 in a cruciate ligament repair procedure:

when the bone tunnel reaming machine is used, firstly, a manual or electric tool for rotating a bone needle is sleeved on the tail part 3 of the metal bone needle, drilling and fixing are completed by using the front-end blade part 1, then the hollow bone drill 8 is sleeved on the metal bone needle for positioning through a deep hole of the hollow bone drill 8, the metal bone needle is used as a guide needle to guide the hollow bone drill 8 to ream a bone tunnel 10 (as shown in figure 4), after reaming is completed, a suture or flexible metal wire 9 is placed into a thread hole 4 of the tail part 3 of the metal bone needle along a thread guiding groove 5, the suture or flexible metal wire 9 is driven to penetrate through the bone tunnel 10 between a femur and a tibia through the metal bone needle (as shown in figure 5), the suture or flexible metal wire 9 is pulled from the tibia end 7 to the femur end 6, and then, the anterior cruciate ligament is sutured or fixed by using the suture.

In the embodiment, the blade part 1 at the front end is relatively sharp, so that the whole metal bone needle can conveniently pass through the narrow deep-hole bone tunnel 10; the surface of the needle body 2 is smooth, so that the friction between the needle body 2 and the bone tunnel 10 is reduced; the lead slot 5 is designed into a chute, so that the threading is convenient, the design of the lead slot 5 is matched with the design of the strip-shaped line hole 4, the slipping of a suture line from the line hole 4 can be effectively prevented, and the lead efficiency is greatly improved.

In the whole operation process, the two-step operation of earlier stage positioning and reaming and later stage bone tunnel lead can be simultaneously completed through one metal bone needle, and instruments do not need to be replaced in the middle of the operation process, so that the time for replacing the instruments by a doctor in the operation process is reduced, the operation efficiency is improved, and the pain of a patient is reduced. In addition, because of the metal spicule is thinner, the operation of leading wires is more convenient, the requirement on the inner diameter size of the bone tunnel is not large, the bone tunnel with larger diameter does not need to be formed during reaming, and the reaming operation becomes easier.

Claims

1. The utility model provides a take metal spicule of lead wire function which characterized in that: the needle comprises a cylindrical needle body (2) with a smooth surface, wherein a cutting part (1) is arranged at the front end of the needle body (2), the rear end of the needle body (2) is a tail part (3), a thread hole (4) is formed in the tail part (3), a lead groove (5) is formed in the outer wall of the tail part (3), and the lead groove (5) is communicated with the thread hole (4).

2. The metal spicule with a lead function according to claim 1, characterized in that: the lead groove (5) is a chute which inclines from the front to the back from the outer wall of the needle body (2) to the line hole (4).

3. The metal spicule with a lead function according to claim 1 or 2, characterized in that: the line hole (4) is a long-strip-shaped hole, and the length direction of the line hole is consistent with the length direction of the needle body (2).

4. The metal spicule with a lead function according to claim 1, characterized in that: the blade part (1) at the front end of the needle body (2) is in a triangular cone shape.