Perfusion angioplasty catheter with pump assist

Details Perfusion angioplasty catheter with pump assist Perfusion angioplasty catheter with pump assist

1988-07-15

1989-08-15

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604247, 128344, A61M 7500

Patent

active

048570540

ABSTRACT:
A catheter is described to provide perfusion while a body vessel is being blocked by the catheter for angioplasty treatment. Intake apertures and ejection apertures are constructed with one-way valves that permit the upstream apertures to only take fluid into the catheter, and the downstream apertures only to eject fluid from the catheter. A pump cooperates with the one-way valves to eject the drawn in aliquot without having to circulate the body fluid outside of the body vessel.

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patent: 4666426 (1987-05-01), Aigner
patent: 4753640 (1988-06-01), Nichols et al.

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