Blood vessel dilatation apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 10, 2002
Grant Date -
N/A
app pub date -
Oct 7, 1999
filing date -
Oct 8, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blood vessel dilatation apparatus includes an inner tube having a lumen; an outer tube forming a lumen between the outer tube and an outer surface of the inner tube; a dilatation member; a first opening provided at a rear end portion of the inner tube and communicating with the lumen; a second opening provided at a rear end portion of the outer tube and communicating with the lumen. The outer tube includes a front-side tube and a rear-side tube fixed to the front-side tube. The front-side tube has a diameter changing portion whose outer and inner diameters decrease toward its front end. A front portion of the rear-side tube is connected with an inner surface of a rear end portion of the front-side tube. An inner surface of the front portion of the rear-side tube is connected with the inner tube.
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