Catheter assembly for dilation of constricted blood vessel

Details Catheter assembly for dilation of constricted blood vessel Catheter assembly for dilation of constricted blood vessel

1994-06-15

1997-09-23

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604 97, 606192, A61M 2900

Patent

active

056698798

ABSTRACT:
A catheter assembly for dilation of constricted blood vessels includes a catheter supporting a radiopaque balloon insertable into a patient blood vessel. The catheter provides a coupling passage between the inflatable radiopaque balloon and a three-way valve. The three-way valve is selectively coupled to a liquid feed mechanism such as a conventional syringe and an expandable pressure buffering balloon. The communication between the expandable radiopaque balloon and the liquid feed mechanism or pressure buffering balloon is controlled by switching the three-way valve.

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patent: 4856510 (1989-08-01), Kowalewski
patent: 4955905 (1990-09-01), Reed
patent: 5254092 (1993-10-01), Polyak

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