Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Corporeal artificial heart – heart assist – control... – Having flexible diaphragm or chamber
Patent
1997-07-11
2000-09-26
Milano, Michael J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Corporeal artificial heart, heart assist , control...
Having flexible diaphragm or chamber
623 326, 604 43, 604284, A61M 110
Patent
active
061237256
ABSTRACT:
A reverse flow pump comprising two concentric passageways and an interior compartment having cut out portions in communication with a pump passageway for the directional flow of fluid relative to the pump, and a rotor positioned within the interior compartment for reversing the directional flow of fluid through a region in communication with another pump passageway. A reverse flow pump and cannula system is further provided comprising an inner cannula adjoining a pump passageway, and an outer conduit adjoining another pump passageway for the reverse flow of fluid relative to the pump. A method of transporting fluid between body cavities is also provided comprising the steps of selecting a reverse flow pump and cannula system, forming an opening in a body passageway, positioning the outer conduit through the opening, inserting the inner cannula into the outer conduit so that the distal openings of the inner cannula and the outer conduit are positioned in separated portions of the body, connecting the inlet and the outlet passageways of the pump to the proximal ends of the inner cannula and the outer conduit, and activating the pump to transport fluid between the separated portions of the body.
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A-Med Systems, Inc.
Milano Michael J.
Nguyen Tram A.
Spangler Jonathan
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