Devices and methods for efficient intra-aortic balloon pumping

Details Devices and methods for efficient intra-aortic balloon pumping Devices and methods for efficient intra-aortic balloon pumping

1993-10-07

1995-05-09

Cohen, Lee S.

Surgery

Cardiac augmentation

Aortic balloon pumping

A61N 1362

Patent

active

054135494

ABSTRACT:
Devices and methods are provided which involve an improved intra-aortic balloon structure. A safety balloon or safety membrane is mounted within an extension catheter. Helium contained in the safety balloon or membrane can be driven into and out of an intra-aortic balloon by forcing driving fluid into and out of the extension catheter, thereby compressing and decompressing the safety balloon or membrane. A variety of structures are suggested for insuring that the balloon or membrane does not inadvertently block the helium or drive fluid as it moves.

REFERENCES:
patent: 5158529 (1992-10-01), Kanai
patent: 5300017 (1994-04-01), Isoyama et al.

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