Guide wire with concave-convex zebra lines

Abstract

The utility model discloses a guide wire with concave-convex zebra lines, which relates to the technical field of medical instruments and comprises a guide wire main body, the guide wire main body comprises a wire core, a ball body is arranged at the end of the guide wire main body, the ball body is spherical, and polytetrafluoroethylene coating layers are arranged on the surfaces of the wire core and the ball body. The spiral concave-convex zebra lines are arranged on the surface of the guide wire, surface contact between the guide wire and a cavity can be reduced through the structural arrangement, friction force between the guide wire and the cavity can be reduced, meanwhile, the spiral concave-convex zebra lines on the surface of the guide wire can bring convenience to a doctor to control the guide wire in the operation process, and the operation efficiency is improved. The wire core is a nickel-titanium alloy wire, the ball body is arranged at the tail end section of the guide wire body and is in a ball shape, the ball shape is more beneficial for the guide wire to pass through tortuous and narrow parts of the ureter, mucous membrane tissue is not prone to penetrating, and operation is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a guide wire with concave-convex zebra patterns. Background Art

[0002] Usually in minimally invasive interventional surgery, the guide wire first enters the cavity (blood vessel or natural cavity) under X-ray development, passes through the lesion, and then enters the catheter and other medical devices under the guidance of the guide wire to achieve the effect of interventional treatment.

[0003] For example, a Chinese patent discloses: a guide wire, publication number: CN215780870U, "comprising a wire core and a polytetrafluoroethylene coating layer coated on the surface of the wire core, a plurality of spiral ribs extending axially and arranged in a spiral shape are evenly arranged on the periphery of the polytetrafluoroethylene coating layer, the wire core is composed of a main body section, a diameter-reducing section and an end section connected in sequence, the surface of the guide wire has spiral thread ribs, and this structural setting can reduce the surface contact between the guide wire and the cavity, and reduce the friction between the guide wire and the cavity; at the same time, the thread design on the surface of the guide wire can facilitate the doctor to manipulate the guide wire during surgery", but in actual use, it is not conducive to the guide wire passing through the tortuous and narrow parts of the ureter, and it is easy to penetrate the mucosal tissue, and the operation is not safe enough. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a guide wire with concave and convex zebra patterns, which solves the technical problems that in actual use, the guide wire is not conducive to passing through the tortuous and narrow parts of the ureter, is easy to penetrate the mucosal tissue, and is not safe to operate.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A guidewire with concave-convex zebra patterns comprises a guidewire body, the guidewire body comprises a wire core, a sphere is arranged at the end of the guidewire body, the sphere is in a spherical shape, the surfaces of the wire core and the sphere are both provided with a polytetrafluoroethylene coating layer, the guidewire body is divided into a main section, a reducing section and an end section according to the use effect, the sphere is located at the head end of the end section, a spring is arranged at the head end of the end section, the spring is welded to the wire core, and the sphere is fixedly sleeved on the spring.

[0009] Preferably, the guide wire body is composed of a wire core, and the surface of the polytetrafluoroethylene coating on the wire core is coated with two colors, and the two colors have different heat shrinkage ratios, and after heat shrinkage, two stripes are formed.

[0010] Preferably, the outer diameter of the sphere is the same as the outer diameter of the guide wire body.

[0011] Preferably, the guide wire body is composed of two wire cores, one wire core has a convex spiral pattern extending axially, and the other wire core has a concave spiral pattern extending axially, and the two wire cores are interwoven to form a spiral concave-convex zebra pattern.

[0012] (III) Beneficial effects

[0013] 1. The surface of the guide wire has spiral concave-convex zebra patterns. This structural setting can reduce the surface contact between the guide wire and the cavity, and reduce the friction between the guide wire and the cavity. At the same time, the spiral concave-convex zebra patterns on the surface of the guide wire can facilitate the doctor to manipulate the guide wire during surgery. The wire core is a nickel-titanium alloy wire, and a sphere is provided at the end section of the guide wire body. The sphere is spherical in shape, which is more conducive to the guide wire passing through the tortuous and narrow parts of the ureter, and is not easy to penetrate the mucosal tissue, so the operation is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0015] Figure 1 This is a structural diagram of the overall guide wire with concave and convex zebra patterns of the utility model;

[0016] Figure 2 This is a structural diagram of the guide wire main body of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified structural diagram.

[0018] Legend: 1. Guide wire body; 11. Main section; 12. Variable diameter section; 13. End section; 2. Wire core; 3. Ball; 4. Spring. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a guide wire with concave-convex zebra patterns, which effectively solves the problem that in actual use, the guide wire is not conducive to passing through the tortuous and narrow parts of the ureter, is easy to penetrate the mucosal tissue, and is not safe to operate. The guide wire with concave-convex zebra patterns has a spiral concave-convex zebra pattern on the surface of the guide wire. This structural setting can reduce the surface contact between the guide wire and the cavity, and reduce the friction between the guide wire and the cavity. At the same time, the spiral concave-convex zebra pattern on the surface of the guide wire can facilitate the doctor to manipulate the guide wire during surgery. The wire core is a nickel-titanium alloy wire, and the end section of the guide wire body is provided with a sphere. The sphere is spherical in shape. The spherical shape is more conducive to the guide wire passing through the tortuous and narrow parts of the ureter, is not easy to penetrate the mucosal tissue, and is safer to operate.

[0020] In view of the problems existing in the prior art, the utility model provides a guide wire with concave-convex zebra patterns, including a guide wire body 1, the guide wire body 1 includes a wire core 2, a ball 3 is arranged at the end of the guide wire body 1, the ball 3 is in a spherical shape, and the surfaces of the wire core 2 and the ball 3 are both provided with a polytetrafluoroethylene coating layer, wherein the guide wire body 1 is divided into a main section 11, a diameter-changing section 12 and an end section 13 according to the use effect, the ball 3 is located at the head end of the end section 13, and a spring 4 is arranged at the head end of the end section 13, the spring 4 is welded and connected to the wire core 2, the ball 3 is fixedly sleeved on the spring 4, the outer diameter of the ball 3 is the same as the outer diameter of the guide wire body 1, the end section 13 of the guide wire body 1 is provided with the ball 3, the ball 3 is in a spherical shape, the spherical shape is more conducive to the guide wire passing through the tortuous and narrow parts of the ureter, it is not easy to penetrate the mucosal tissue, and the operation is safer;

[0021] Embodiment 1: Figure 1 and Figure 2 The guide wire body 1 is composed of a wire core 2. The surface of the polytetrafluoroethylene coating on the wire core 2 is coated with two colors. The two colors have different heat shrinkage ratios. After heat shrinkage, two stripes are formed. The surface of the guide wire has spiral concave-convex zebra stripes. This structural setting can reduce the surface contact between the guide wire and the cavity, and reduce the friction between the guide wire and the cavity. At the same time, the spiral concave-convex zebra stripes on the surface of the guide wire can facilitate the doctor to manipulate the guide wire during surgery. The wire core 2 is a nickel-titanium alloy wire.

[0022] Embodiment 2: Figure 3 As shown, the guide wire body 1 is composed of two wire cores 2, one wire core 2 has a convex spiral pattern extending axially, and the other wire core 2 has a concave spiral pattern extending axially, and the two wire cores 2 are interwoven to form a spiral concave-convex zebra pattern.

[0023] Working principle:

[0024] In the first step, the surface of the guide wire has a spiral concave-convex zebra pattern. This structural setting can reduce the surface contact between the guide wire and the cavity, and reduce the friction between the guide wire and the cavity. At the same time, the spiral concave-convex zebra pattern on the surface of the guide wire can facilitate the doctor to control the guide wire during the operation. The wire core 2 is a nickel-titanium alloy wire.

[0025] In the second step, the end section 13 of the guide wire body 1 is provided with a ball 3, which is in a spherical shape. The spherical shape is more conducive to the guide wire passing through the tortuous and narrow parts of the ureter, is not easy to penetrate the mucosal tissue, and is safer to operate.

[0026] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A guidewire with concave-convex zebra patterns, comprising a guidewire body (1), wherein the guidewire body (1) comprises a wire core (2), characterized in that: A sphere (3) is provided at the end of the guide wire body (1), the sphere (3) is in the shape of a sphere, and the surfaces of the wire core (2) and the sphere (3) are both provided with a polytetrafluoroethylene coating layer; The guide wire body (1) is divided into a main body section (11), a diameter-reducing section (12) and an end section (13) according to the use effect; the sphere (3) is located at the head end of the end section (13); a spring (4) is provided at the head end of the end section (13); and the spring (4) is welded to the wire core (2).

2. A guide wire with concave-convex zebra pattern according to claim 1, characterized in that: The ball (3) is fixedly sleeved on the spring (4).

3. The guide wire with concave-convex zebra pattern according to claim 1, characterized in that: The guide wire body (1) consists of a wire core (2).

4. The guide wire with concave-convex zebra pattern according to claim 3, characterized in that: The surface of the polytetrafluoroethylene coating on the silk core (2) is coated with two colors.

5. The guide wire with concave-convex zebra pattern according to claim 4, characterized in that: The two colors have different heat shrinkage ratios, and after heat shrinkage, two stripes are formed.

6. The guide wire with concave-convex zebra pattern according to claim 1, characterized in that: The outer diameter of the sphere (3) is the same as the outer diameter of the guide wire body (1).

7. The guide wire with concave-convex zebra pattern according to claim 1, characterized in that: The guide wire body (1) is composed of two wire cores (2), one of which has a convex spiral pattern extending axially, and the other of which has a concave spiral pattern extending axially. The two wire cores (2) are interwoven to form a spiral concave-convex zebra pattern.

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