Balloon stretch mechanism

Details Balloon stretch mechanism Balloon stretch mechanism

1988-10-05

1990-11-06

Thaler, Michael H.

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2510

Patent

active

049683004

ABSTRACT:
A mechanism advances to stretch an intraaortic balloon prior to insertion or removal. One embodiment includes a member which extends through a catheter from the handle to the balloon, and which advances to extend the balloon without appreciably twisting it. A spring detent assembly in the handle defines a precise amount of extension delivered by the member. The mechanism permits the balloon to be fully relaxed once it is inserted and to be recompacted, following use, for removal from the patient. The device is of particular utility for a large diameter, irregular or polygonal non-cylindrical balloon, and for inserting a balloon along an arterial path having a narrow passage or sharp curve.

REFERENCES:
patent: 2556783 (1950-05-01), Wallace
patent: 3380448 (1968-04-01), Sadove et al.
patent: 3799172 (1974-03-01), Szpur
patent: 4077394 (1978-03-01), McCurdy
patent: 4276875 (1981-07-01), Wolvek
patent: 4315512 (1982-02-01), Fogarty
patent: 4403612 (1983-09-01), Fogarty
patent: 4552127 (1985-11-01), Schiff
patent: 4644936 (1987-02-01), Schiff

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