Inflow cannula for intravascular blood pumps

Details Inflow cannula for intravascular blood pumps Inflow cannula for intravascular blood pumps

1989-07-26

1991-10-29

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604264, 600 16, A61M 500, A61F 124

Patent

active

050612565

ABSTRACT:
An inflow cannula for intraortic blood pumps has a curved, spring-loaded body for blind retrograde insertion through the aortic arch, and a soft, beveled foldable but resilient tip which properly positions the tip, if necessary, with respect to the aortic valve prior to retrograde insertion of the distal end of the cannula through the aortic valve. Auxiliary intake openings are provided in the side walls of the cannula adjacent its distal end to prevent suction from holding the tip in its collapsed state after insertion through the aortic valve.

REFERENCES:
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patent: 4033331 (1977-07-01), Guss et al.
patent: 4508535 (1985-04-01), Joh et al.
patent: 4527549 (1985-07-01), Gabbay
patent: 4625712 (1986-12-01), Wampler
patent: 4639252 (1987-01-01), Kelly et al.
patent: 4737153 (1988-04-01), Shimamura et al.
patent: 4747840 (1988-05-01), Ladika et al.
patent: 4748984 (1988-06-01), Patel
patent: 4777951 (1988-10-01), Cribier et al.
USCU Sales Brochure 6-74/5070107.

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