Multi-balloon catheter assembly for coronary artery bifurcation lesion interventional therapy

Abstract

The invention relates to the technical field of medical instruments, in particular to a multi-balloon catheter assembly for coronary artery bifurcation lesion interventional therapy. The assembly comprises a tubular catheter with a near end and a far end, the near end of the catheter is connected with a pressure device, the far end of the catheter is provided with balloons capable of expanding or contracting, when the balloons are in an expanding state, balloon bodies are each in a pipe column shape with the two ends contracting and an arc-shaped bent transition section facing the middle of the bodies, and when the balloons are in a contracting state, the balloons are attached to the peripheral wall of the catheter and are in a folded state, N balloons are distributed at the far end of the catheter at intervals, N is larger than or equal to 2, and a plurality of inner catheters which are independent of one another are arranged in a catheter cavity and used for containing and communicating with the balloons through guide wires or communicating with the balloons respectively to form a liquid filling / discharging channel. The multi-balloon catheter assembly has the beneficial effect that a multi-drug-coating balloon assembly is provided, can be used for coronary artery bifurcation lesion interventional therapy and has the remarkable effects of being convenient to use and saving cost.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a multi-balloon catheter assembly for interventional treatment of coronary artery bifurcation lesions. Background technique [0002] Coronary artery disease or ischemic heart disease is a disease caused by the deposition of fat-forming factors on the coronary artery wall. Due to the inflammatory reaction accompanied by deposition, the coronary lumen gradually narrows, and the volume of the coronary lumen shrinks, Insufficient blood flow to the heart muscle can result in chest pain, difficulty breathing, and other symptoms. In particular, atherosclerotic plaques are likely to form at the bifurcations of the coronary arteries due to blood turbulence and high shear force, causing the main and branch vessels to form an inverted "Y" bifurcation lesion, causing the stenosis and Obliteration, clinical manifestations such as angina pectoris, acute myocardial infarction or sudden...

AI Technical Summary

Problems solved by technology

However, most of the existing drug-coated balloons are designed as a single balloon connected by a catheter. One balloon can only meet the treatment needs of a single site. Balloons not only take a long time for surgical treatment, but also increase the difficulty of surgery and the risk of infection, and the use of multiple balloons also results in more equipment costs

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