Balloon catheter
AssigneeToray Industries, Inc.
InventorRyota Sato
Life of this patent
Estimating the term…
Abstract
A balloon catheter that enables accurate and prompt positioning of a balloon to a desired treatment site in a balloon contracted state and identifying the positional relationship of the balloon with the desired treatment site in a balloon expanded state. The balloon catheter includes: an outer shaft having flexibility; an inner shaft having flexibility; an intermediate tube fitted onto the inner shaft, only a proximal end portion of the intermediate tube being fixed on the inner shaft; a longitudinally expandable balloon made of an elastic material and connected to a distal end portion of the outer shaft and a distal end portion of the inner shaft; and a radiopaque marker located inside the balloon and fixed on the intermediate tube.
Claims5
A balloon catheter comprising:
- an outer shaft having flexibility;
- an inner shaft inserted into the outer shaft and having flexibility;
- an intermediate tube fitted onto the inner shaft, only a proximal end portion of the intermediate tube being fixed on the inner shaft;
- a longitudinally expandable balloon made of an elastic material and connected to a distal end portion of the outer shaft and a distal end portion of the inner shaft;
- and
- a radiopaque marker located inside the balloon and fixed on the intermediate tube.
Dependencies are inferred from the claim text.