Cannula for arterial and venous bypass cannulation

Details Cannula for arterial and venous bypass cannulation Cannula for arterial and venous bypass cannulation

1977-05-23

1979-11-13

Truluck, Dalton L.

Surgery

Truss

Pad

A61M 2500

Patent

active

041739817

ABSTRACT:
A cannula suitable for total bypass procedures in arterial and venous cannulation for extracorporeal perfusion of blood. The cannula has a tapered body of sufficient length for peripheral cannulation and openings through the cannula wall appropriately positioned to provide fluid transfer at various anatomical diversion sites within a patient's circulatory system in accordance with flow requirements necessary to maintain proper circulation is disclosed. The cannula structure can be adapted for bidirectional as well as unidirectional flow to maintain circulation in extremities otherwise ignored by single-directional flow cannulation. Reinforcing structure is disclosed for developing the required strength characteristics for the cannula wall, particularly for arterial applications.

REFERENCES:
patent: 3598126 (1971-08-01), Hoeltzenbein
patent: 3828767 (1974-08-01), Spiroff
patent: 3863641 (1975-02-01), Popa
patent: 3938501 (1976-02-01), Erikson
patent: 3991756 (1976-11-01), Synder
patent: 4072146 (1978-02-01), Howes
Bourassa--Angiology--vol. 22, No. 6, Jun. 71, pp. 320-331.

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