Double-cavity guide tube with supported stable orientation

Abstract

The invention discloses a double-cavity guide tube with supported stable orientation. The double-cavity guide tube comprises a guide tube body and an operation handle, wherein the operation handle is arranged at the rear end of the guide tube body; guide wire canals are formed inside the guide tube body along an axis; the surface of the front end of the guide tube body is coated by a developing mark; the guide tube body is divided into a front indication section and a rear twisting and control section; the wall of the guide tube is made of medical flexible plastic or the combination of rubber and a metal net; two guide wire canals are formed inside the guide tube body; one is a super-selective guide wire canal which passes through the indication section and the twisting and control section; the other one is a support guide wire canal which is only arranged in the twisting and control section. Due to support of a support guide wire, the twisting and control section of the guide tube and a main blood vessel can be retained in a coaxial direction as far as possible, and the indication section and the super-selective guide wire of the guide tube can be very conveniently operated and controlled to reach a target focus, so that the phenomenon that the guide tube is inserted and pulled out can be reduced or avoided in surgical treatment, and thus the treatment difficulties and the risk can be reduced.

Description

technical field [0001] The invention relates to medical equipment, in particular to a double-lumen catheter with support and stable guidance. Background technique [0002] In the medical field, catheters are often used as a technical means in the surgical treatment process. At present, dual-catheter technology has also appeared. Under normal circumstances, the dual-catheter is driven by the main catheter to drive the auxiliary catheter into the human body tissue, and the main catheter advances the auxiliary catheter. The catheter follows, and the auxiliary catheter mainly plays the role of drug delivery for adjuvant therapy, but currently a single catheter is usually used in terms of vascular catheters, but the distribution of blood vessels, especially thin blood vessels, with human tissues is very soft, curved and non-directional. Therefore, the direction of catheter insertion is arbitrary and very difficult to grasp, especially when it is necessary to enter branch vessels ...

AI Technical Summary

Problems solved by technology

[0002] In the medical field, catheters are often used as a technical means in the surgical treatment process. At present, dual-catheter technology has also appeared. Under normal circumstances, the dual-catheter is driven by the main catheter to drive the auxiliary catheter into the human body tissue, and the main catheter advances the auxiliary catheter. The catheter follows, and the auxiliary catheter mainly plays the role of drug delivery for adjuvant therapy, but currently a single catheter is usually used in terms of vascular catheters, but the distribution of blood vessels, especially thin blood vessels, with human tissues is very soft, curved and non-directional. Therefore, the direction of catheter insertion is arbitrary and very difficult to grasp, especially when it is necessary to enter branch vessels from the main blood vessel. Therefore, during surgical treatment, the phenomenon of catheter insertion and extraction often occurs due to the indeterminate bending of blood vessels. , which brings certain difficulties and risks to the treatment

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