Percutaneous venous cannula for cardiopulmonary bypass

Details Percutaneous venous cannula for cardiopulmonary bypass Percutaneous venous cannula for cardiopulmonary bypass

1987-07-29

1989-02-28

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604282, 604 53, 128345, A61M 2900

Patent

active

048081639

ABSTRACT:
A cardiovascular catheter for use particularly in situations requiring varying forms of cardiopulmonary bypass. The catheter which can be introduced percutaneously has an expandable section in proximity to drainage inlets. In one form of the invention the catheter is introduced percutaneously with the expansion means collapsed after the cannula has been introduced percutaneously through the vein into the right atrium the expansion means is employed to prevent the atrium from collapsing around and possibly impeding flow through the cannula, for instance during percutaneous initiation of cardiopulmonary bypass or other venous drainage application.

REFERENCES:
patent: 3490457 (1970-01-01), Petersen
patent: 3938530 (1976-02-01), Santomieri
patent: 3946741 (1976-03-01), Adair
patent: 4660571 (1987-04-01), Hess et al.
patent: 4699611 (1987-10-01), Bowden

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