Patent ID: 9131976
Filing Date: 2015-09-15
Classification: A61B,F04B

Abstract:
1. An elastic tube device comprising an elastic tube which is expandable or constrictable in such a manner that tube walls of the elastic tube opposite to each other are caused to be closely attached to each other in a radial direction toward a direction in which the elastic tube is constrictable and that they are allowed to recover to their original shape due to their own elasticity when an external force is released; wherein the elastic tube has a top end closed and a base end portion constituting a connection part for connecting to a catheter main body; wherein said elastic tube has a margin volume part disposed on a top end side so as not to be pressed by the external force, and wherein a plurality of indicators are disposed on an outer peripheral surface of the elastic tube at a spaced interval in a longitudinal direction of the elastic tube, each of the plurality of indicators being indicative of a size of the margin volume part to be disposed in accordance with a size of a balloon in a heating-type balloon catheter device.