CN-122006078-A - Guide wire delivery device for coronary artery bifurcation lesions

CN122006078ACN 122006078 ACN122006078 ACN 122006078ACN-122006078-A

Abstract

The invention provides a guide wire delivery device for coronary artery bifurcation lesions, which belongs to the technical field of coronary artery surgical instruments and comprises an auxiliary delivery assembly, wherein the auxiliary delivery assembly is arranged at the end part of a puncture needle, a guide wire is connected in a sliding manner in an inner cavity in the middle of the puncture needle, the auxiliary delivery assembly is used for improving the stability of the guide wire in the delivery process, and the auxiliary delivery assembly is connected with the guide wire and the puncture needle. According to the invention, the auxiliary delivery assembly is arranged, the position of a part is changed, so that the guide wire is limited and regulated by matching with other assemblies, the guide wire is prevented from being bent and contracted when entering the puncture needle, the guide wire can be smoothly pushed in the puncture needle, and meanwhile, a plurality of slotted holes are formed in the clamping ring II, so that the lightweight design of the whole structure is embodied, the slotted holes can be rapidly clamped with other parts, the laminating performance among the parts is improved, the guide wire is convenient for medical staff to use, and the smooth operation is ensured.

Inventors

GAO GUOFENG
HE JINING
DOU HAIRONG

Assignees

中国医学科学院阜外医院

Dates

Publication Date: 20260512
Application Date: 20251226

Claims (10)

1. The guide wire delivery device for the coronary artery bifurcation lesion is characterized by comprising an auxiliary delivery component, wherein the auxiliary delivery component is arranged at the end part of a puncture needle, a guide wire is slidably connected in an inner cavity in the middle of the puncture needle, a clamping ring I is arranged at the end part of the puncture needle, which is far away from the guide wire, a connecting ring is clamped at the middle position of the upper end and the lower end of the clamping ring I, a clamping ring II is clamped at the middle part of the connecting ring, a special-shaped frame is arranged in the inner cavity of the clamping ring II, and a communicating pipe is attached to the bottom of the special-shaped frame; the auxiliary delivery component is used for improving the stability of the guide wire in the delivery process and is connected with the guide wire and the puncture needle.
2. The guide wire delivery device for coronary artery bifurcation lesions according to claim 1, wherein the auxiliary delivery component comprises a sliding groove formed in the surface of the second clamping ring, the top of the second clamping ring is fixedly connected with a connecting plate, an inner cavity in the middle of the second clamping ring is fixedly connected with a sliding part, and the surface of the sliding part is slidably connected with a sliding frame.
3. The guide wire delivery device for coronary artery bifurcation lesions according to claim 2, wherein the inner cavity of the second clamping ring is attached with a supporting frame, the end part of the supporting frame, which is far away from the inner cavity of the second clamping ring, is fixedly connected with a positioning ring, and the inner cavity of the sliding groove is provided with a clamping column.
4. The guide wire delivery device for coronary artery bifurcation lesions according to claim 1, wherein the top end of the special-shaped frame is provided with a clamping groove, the inner cavity of the special-shaped frame is provided with a hollowed-out part, and the bottom end of the special-shaped frame is fixedly connected with a protruding part.
5. The guidewire delivery device for coronary bifurcation lesions according to claim 1, wherein the lumen of the communicating tube is fixedly connected with a friction strip and the end of the communicating tube is fixedly connected with a connecting piece.
6. The guide wire delivery device for coronary artery bifurcation lesions according to claim 1, wherein the surface of the first clamping ring is provided with a guiding groove, the inner cavity of the first clamping ring is provided with a hollow groove, and the middle parts of the upper end and the lower end of the first clamping ring are provided with clamping parts.
7. The guide wire delivery device for coronary artery bifurcation lesions according to claim 1, wherein the middle parts of the upper and lower ends of the engagement ring are fixedly connected with a buckle plate, and the middle part of the engagement ring is provided with a light-weight groove.
8. The guide wire delivery device for coronary artery bifurcation lesions according to claim 2, wherein the diameter size of the sliding groove is matched with the fan-shaped size of the special-shaped frame, the sliding part protrudes towards the inner cavity of the clamping ring II, the middle part of the upper end and the lower end of the sliding part is provided with a sliding groove, the sliding frame is connected in the sliding groove of the sliding part in a sliding way, and the size of the sliding groove is consistent with that of the sliding frame.
9. A guidewire delivery device for a bifurcated coronary lesion according to claim 3, wherein the scaffold is fan-shaped and a slot is formed in the middle of the fan-shaped portion, the slot being sized to conform to the size of the carriage.
10. The guidewire delivery device for coronary artery bifurcation lesions according to claim 4, wherein the shaped frame is irregularly shaped as a whole, and the inner cavity of the shaped frame is hollowed out, the protruding portion at the bottom of the shaped frame is abutted against the surface of the communicating tube, and the clamping groove is clamped on the surface of the clamping post.

Description

Guide wire delivery device for coronary artery bifurcation lesions Technical Field The invention relates to the technical field of coronary artery surgical instruments, in particular to a guide wire delivery device for coronary artery bifurcation lesions. Background A bifurcated lesion of a coronary artery refers to a main stenosis of the coronary artery, and is combined with a stenosis of an important branch opening, and the anatomy and the hemodynamics of the lesion are complex, and due to the anatomical characteristics of a bifurcation part of the coronary artery, the blood flowing through the bifurcation ridge often causes a regular laminar flow to be converted into an irregular vortex or turbulence, thereby increasing the risk of atherosclerosis. Coronary artery bifurcation lesions usually require coronary artery angiography, and many medical instruments such as catheters, guide wires, punctures, sheath placement, contrast agents and the like are needed for the operation, wherein the related medical instruments are needed to be prepared in advance after the examination of the medical instruments is completed before the operation, so that the operation can be smoothly performed, the puncture needle is fixed on the radial artery of a patient during the operation, when the puncture needle has blood outflow to indicate that the blood vessel of the patient is unobstructed, the guide wire is pushed into the puncture needle and enters the blood vessel of the patient at the moment, so that a vascular track is established, and the guide wire helps doctors to accurately guide the angiographic catheters or other interventional therapeutic instruments to a specific part of the coronary artery. But during operation, the pushing of the guide wire mainly depends on the pushing of the arm of a doctor, the doctor supports and fixes the guide wire in one hand and pushes the guide wire into the puncture needle in the other hand, due to the structural design of the puncture needle, the port of the pushing position of the guide wire is larger, the port of the puncture needle entering the vascular position can well limit the guide wire in the process of the guide wire entering the puncture needle, the guide wire can not be deviated, the diameter of the end part of the guide wire entering the puncture needle is larger, the guide wire can be deviated at the end part of the large diameter in the process of pushing the guide wire, and the guide wire is made of memory metal, so that the guide wire is limited by the end part of the large diameter of the puncture needle, and the guide wire is easy to be contracted inside the puncture needle in the pushing process, thereby influencing the normal pushing of the guide wire. Disclosure of Invention The invention aims to solve the technical problem of providing a guide wire delivery device for coronary artery bifurcation lesions, which aims to solve the problems that the diameter of the end part of the guide wire of the existing puncture needle is larger, so that the guide wire can deviate at the end part with a large diameter during the operation of pushing the guide wire, and the guide wire is made of memory metal materials, so that the guide wire cannot be well limited by the end part with the large diameter of the puncture needle during the pushing of the guide wire, and the guide wire is easily contracted in the puncture needle during the pushing process, thereby influencing the normal pushing of the guide wire. In order to solve the technical problems, the invention provides the following technical scheme: A guide wire delivery device for coronary artery bifurcation lesions comprises an auxiliary delivery component, the auxiliary delivery component is mounted at the end part of a puncture needle, an inner cavity in the middle of the puncture needle is slidably connected with a guide wire, a first clamping ring is mounted at the end part of the puncture needle, connecting rings are clamped at the middle positions of the upper end and the lower end of the first clamping ring, a second clamping ring is clamped at the middle of the connecting rings, a special-shaped frame is mounted in the inner cavity of the second clamping ring, a communicating pipe is attached to the bottom of the special-shaped frame, the auxiliary delivery component is used for improving stability of the guide wire in a delivery process, and the auxiliary delivery component is connected with the guide wire and the puncture needle. Optionally, the auxiliary delivery assembly comprises a sliding groove formed in the surface of the second clamping ring, the top of the second clamping ring is fixedly connected with a connecting plate, the inner cavity in the middle of the second clamping ring is fixedly connected with a sliding part, and the surface of the sliding part is slidably connected with a sliding frame. Optionally, the inner chamber laminating of joint ring two has the support frame, the support frame is ke