Integrated blood handling system having improved pump
AssigneeCardiovention, Inc.
InventorsFred I. Linker, Jean-Pierre Dueri, Paul LaRoy Edwards, Ronald Cambron, Ben F. Brian III
Life of this patent
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Abstract
Apparatus and methods for pumping and oxygenating blood are provided that include a gas removal system and a pump impeller with a single piece metal insert. An integrated blood processing unit is provided in which a gas removal/blood filter, pump and blood oxygenation element are mounted within a common housing. The gas removal system includes a sensor mounted on the housing to sense the presence of gas, and a valve is operably coupled to the sensor to evacuate gas from the system when the sensor detects an accumulation of gas.
Claims20
An apparatus for oxygenating and pumping blood comprising:
- a housing having at least two housing portions;
- a blood oxygenation element;
- a pump coupled in fluid communication with the blood oxygenation element, the pump comprising an impeller having an integrally molded single piece metal insert coupled to a shaft assembly;
- and
- a drive unit magnetically coupled to the single piece metal insert.
An apparatus for pumping blood comprising:
- an impeller having an integrally molded single piece metal insert;
- a shaft assembly;
- and
- a drive unit magnetically coupled to the single piece metal insert.
Dependencies are inferred from the claim text.