초록 ▼

Apparatus for oxygenating and pumping blood includes a housing defining a blood flow path including, in series, a gas collection plenum, a pump space and a blood oxygenation element. A pump disposed in the pump space is configured to draw blood from the gas collection plenum and propel blood from th

Apparatus for oxygenating and pumping blood includes a housing defining a blood flow path including, in series, a gas collection plenum, a pump space and a blood oxygenation element. A pump disposed in the pump space is configured to draw blood from the gas collection plenum and propel blood from the pump space through a heat exchanger and the blood oxygenation element. The heat exchanger includes a heat exchange plate and a coolant space.

대표청구항 ▼

What is claimed is: 1. Apparatus for oxygenating and pumping blood comprising: a housing defining a blood flow path including, in series, a gas collection plenum, a pump space and a blood oxygenation space; a blood oxygenation element disposed in the blood oxygenation space; a solenoid-controlled v

What is claimed is: 1. Apparatus for oxygenating and pumping blood comprising: a housing defining a blood flow path including, in series, a gas collection plenum, a pump space and a blood oxygenation space; a blood oxygenation element disposed in the blood oxygenation space; a solenoid-controlled valve coupled to the gas collection plenum to selectively evacuate gas from the gas collection plenum; a pump disposed in the pump space, the pump configured to draw blood from the gas collection plenum and propel blood from the pump space through the blood oxygenation element; and a heat exchanger comprising a metal alloy disposed and cooperating with the housing to define a wall surface of the pump space. 2. The apparatus of claim 1, wherein the wall surface separates a coolant space from the pump space. 3. The apparatus of claim 2, wherein the heat exchanger adds no additional priming volume to the apparatus. 4. The apparatus of claim 1, wherein the wall surface includes protrusions that increase a surface area available for heat exchange. 5. The apparatus of claim 2, wherein the coolant space includes a plurality of baffles that distribute coolant over the wall surface in the coolant space. 6. The apparatus of claim 1, wherein the pump draws blood from the gas collection plenum across the surface. 7. The apparatus of claim 1, wherein the heat exchanger is configured for counter-current flow in which blood and coolant flow in opposite directions on opposing sides of the wall surface.