CATHETER BALLOON, AND CATHETER

摘要

Provided is an expansible catheter balloon that has a spreadable outer diameter controllable easily in treatments for a calcific aortic stenosis, rheumatic and congenital aortic stenoses and others, and that can be effectively prevented from being freely shifted and can easily be fixed at a predetermined position. The catheter balloon includes a balloon having shoulder parts made of a non-expansible material or made low-expansible and an expandable waist part, and a catheter having a catheter body to which this balloon is fitted.

主权项

1. A catheter balloon, comprising a balloon comprising:
non-expansive or low-expansive cylindrical shoulder parts formed at both end sides, respectively; and a waist part which is formed between the shoulder parts, is lower in extension ratio than the shoulder parts when the individual parts are shaped, is shorter in diameter than the shoulder parts, and is increasable in diameter by spreading the balloon.