Vascular cannulae for transfemoral cardiopulmonary bypass...

Details Vascular cannulae for transfemoral cardiopulmonary bypass... Vascular cannulae for transfemoral cardiopulmonary bypass...

A - Human Necessities

61

M

128/127

A61M 25/00 (2006.01) A61M 1/00 (2006.01) A61M 25/06 (2006.01)

Patent

CA 1301578

VASCULAR CANNULAE FOR TRANSFEMORAL CARDIOPULMONARY BYPASS AND METHOD OF USE ABSTRACT OF THE INVENTION A cannula assembly suitable for rapid, closed- chest cannulation of the cardiopulmonary system to an extracorporeal bypass machine through punctures in the femoral veins and arteries is disclosed. The assembly comprises a conduit made of a smooth, flexible, thin- walled material and capable of longitudinal insertion through these vessels by use of an associated "introducer" and conventional guide wire. The conduit has adequate hemodynamic flow capacity and sufficient unsupported hoop strength to resist collapse from suctional and vasoconstrictive forces during use.

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