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US 12,582,756 B2Granted
Extracorporeal oxygenator with integrated air removal system
AssigneeTerumo Cardiovascular Systems Corporation
InventorsStephen Koellhoffer, Eisuke Sasaki
Life of this patent
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Abstract
Extracorporeal blood flow circuit devices can be used during medical procedures such as on-pump open-heart surgery. For example, extracorporeal heat exchange and oxygenation devices can be used to facilitate surgical procedures such as coronary artery bypass grafting. In some embodiments, such an oxygenation device can include an integrated air removal structure. In particular embodiments, the air removal structure can comprise one or more porous hollow fibers.
Claims19
A blood oxygenator apparatus, comprising:
- a housing defining a blood inlet port and a blood outlet port:
- a heat exchanger disposed within the housing, the heat exchanger defining an internal space;
- a flow distribution element disposed within the internal space;
- a membrane oxygenator portion disposed within the housing, the oxygenator portion arranged concentrically around the heat exchanger;
- and
- one or more porous hollow fibers disposed within the internal space,
- wherein the flow distribution element defines a space, and
- wherein an open end of at least one of the one or more porous hollow fibers aligns with the space to allow for venting of air from the at least one of the one or more porous hollow fibers.
5 more elements
Dependencies are inferred from the claim text.