Patent ID: 6190357
Filing Date: 2001-02-20
Classification: A61B,A61M

Abstract:
An expandable cannula for performing cardiopulmonary bypass functions in a body passageway, the cannula comprising:an inner tubular elongate body having a distal end and a proximal end;an outer expandable tubular elongate body expandable from a first diameter to a second diameter, the outer tubular elongate body substantially disposed-about the inner tubular elongate body, the inner tubular elongate body and the outer tubular elongate body cooperating to form a perfusion lumen within the tubular elongate body;at least one arterial return aperture in fluid communication with the perfusion lumen provided within the tubular elongate body;an expandable member fixed at the distal end of the inner tubular elongate body; and having an inflation lumen in the tubular elongate body in fluid communication with the expandable member; anda cardioplegia lumen with the inner tubular elongate body to provide cardioplegia flow to the body passageway.