Cardioplegia delivery apparatus and method of use

Details Cardioplegia delivery apparatus and method of use Cardioplegia delivery apparatus and method of use

A - Human Necessities

61

M

A61M 1/10 (2006.01) A61M 1/36 (2006.01)

Patent

CA 2188573

This invention is a cardioplegia de- livery device (10) for providing variable ra- tio delivery of blood and cardioplegia so- lution to a patient. The device includes separate pumps (16, 18) for crystalloid and blood. A heat exchanger control circuit is provided which includes a heater (114) and an ice bath (88) for warming or cooling the cardioplegia fluid delivered to the pa- tient. The heat exchanger control circuit includes a priming circuit which may be used to purge air bubbles from the circuit.

L'invention est un dispositif (10) d'administration d'une solution de cardioplégie destiné à administrer à un patient du sang et une solution de cardioplégie avec des rapports variables. Le dispositif comprend des pompes séparées (16, 18) pour crystalloide et sang. Un circuit de commande d'échangeur thermique comprend un appareil de chauffage (114) et un bain de glace (88) destinés à réchauffer ou à refroidir le fluide de cardioplégie administré au patient. Le circuit de commande de l'échangeur thermique comprend un circuit d'amorçage pouvant être utilisé pour purger des bulles d'air du circuit.

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