Dilatation catheter

Details Dilatation catheter Dilatation catheter

1996-06-20

1997-07-22

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604103, A61M 2500

Patent

active

056499086

ABSTRACT:
In the catheter comprising: a balloon 11 provided with a front and a rear opening end and a thin wall made of synthetic resins; an outer tube 21; an inner tube 31 which is disposed inside the outer tube 21 and has its tip portion projected outward from the outer tube 21; and, the balloon 11 having the front and the rear opening end fixedly mounted in a water-tight manner on the inner tube 31 and the outer tube 21 to form a front fixed portion 61 and a rear fixed portion 61', respectively;
a plurality of parallel-extending circumferential grooves 41 are provided to a distal area 32 of the inner tube 31, each of the circumferential grooves 41 having a predetermined length, and said distal area having a certain length which extends from said front fixed portion and over said rear fixed portion in a direction of the hub portion.

REFERENCES:
patent: 4917666 (1990-04-01), Solar et al.
patent: 4960410 (1990-10-01), Pinchuk
patent: 5522800 (1996-06-01), Crocker
patent: 5569200 (1996-10-01), Umeno et al.
patent: 5575772 (1996-11-01), Lennox

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