Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-08-05
1993-05-11
Rosenbaum, C. Fred.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
606194, A61M 2900
Patent
active
052097293
ABSTRACT:
The dilatation catheter has a shaft which consists of two separately produced shaft portions. Both portions have a first lumen for a guide wire and a second lumen for a pressure liquid. The two portions overlap at a connection point and are preferably welded to one another at this point. The proximal portion consists of two coaxial tube portions and the distal portion consists of an extruded two-lumen tube piece. The proximal portion is stiffer than the distal portion, which permits an optimal adaptation to a non-straight course of a blood vessel. The dilatation catheter according to the invention is particularly suitable for the treatment of arterial occlusions, which are situated in or downstream of a vessel curve.
REFERENCES:
patent: 4684363 (1987-08-01), Ari et al.
patent: 4877031 (1989-10-01), Conway et al.
patent: 4976690 (1990-12-01), Solar et al.
patent: 5040548 (1991-08-01), Yock
patent: 5046503 (1991-09-01), Schneiderman
patent: 5057073 (1991-10-01), Martin
patent: 5061273 (1991-08-01), Yock
Hofmann Eugen
Niederhauser Werner
Pfenninger Susanne
Akers Lawrence C.
LaPierre John L.
Maglione C.
Richardson Peter C.
Rosenbaum C. Fred.
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