Rapid withdrawal catheter

Details Rapid withdrawal catheter Rapid withdrawal catheter

1993-07-02

1996-05-28

McDermott, Corrine M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

606194, 604280, A61M 2900

Patent

active

055206476

ABSTRACT:
This invention is directed to a balloon dilatation catheter which comprises (i) a first, inflation lumen extending therethrough and having distal and proximal ends, the distal end of said first lumen opening into and being in fluid communication with the interior of an expandable dilatation balloon having distal and proximal ends, and (ii) a second lumen extending coextensively with the first lumen and having proximal and distal portions, wherein the proximal portion of the second lumen has an opening adjacent or distal to the proximal end of the first lumen, the distal section of the second lumen is exterior to the balloon, the distal end of the second lumen is open, and the second lumen is capable of receiving a guidewire in a sliding fit. The proximal end of the guidewire may have a removedly mounted slitter, and optionally there may be a hub means in fluid communication with the distal end of the second lumen.

REFERENCES:
patent: 4687469 (1987-08-01), Osypka
patent: 4762129 (1988-08-01), Bonzel
patent: 4983167 (1991-01-01), Sanota
patent: 5141494 (1992-08-01), Danforth et al.
patent: 5180367 (1993-01-01), Kontos et al.
patent: 5395332 (1995-03-01), Ressemann et al.
patent: 5409458 (1995-04-01), Khairkhahan et al.

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