Pump oxygenator

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/10 (2006.01) A61M 1/14 (2006.01) A61M 1/36 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2196031

Blood supplied from a blood-drawing line is stored in a main reservoir. Above the main reservoir there are located four sub-reservoirs with their internal negative pressures controllable by means of a controller. Via sub-suction lines bloods in the heart of a patient, etc. as well as blood emitted in the site being operated is sucked into the interiors of the sub-reservoirs. The bloods sucked in the sub-reservoirs are guided into a main reservoir through guidance means. A pool of blood stored in the main reservoir is fed back to the patient via a pump, artificial lungs and an arterial filter. A centrifugal pump is used as the pump. It is thus possible to provide a compact and inexpensive pump-oxygenator system which reduces the amount of the blood to be transfused, causes lesser damage to blood, excels in the ability to be manipulated and quickly used, and has little, if any, possibility of interfering with operations by an operator. .

e sang fourni par un tube d'aspiration est entreposé dans un réservoir principal. Au-dessus du réservoir principal, il y a quatre réservoirs secondaires dont la pression négative interne est commandée par un régulateur. Le sang dans le coeur d'un patient, etc., ainsi que le sang répandu à l'endroit de l'opération est aspiré à l'intérieur des réservoirs secondaires au moyen de tubes d'aspiration secondaires . Le sang aspiré dans les réservoirs secondaires est guidé vers le réservoir principal au moyen de dispositifs. Une réserve de sang entreposée dans un réservoir principal est retournée au patient au moyen d'une pompe, de poumons artificiels et d'un filtre artériel. La pompe utilisée est une pompe centrifuge. Il est donc possible de fournir un système d'oxygénateur à pompe compact et peu coûteux qui diminue la quantité de sang transfusé, endommage moins le sang, se manipule très facilement et très rapidement, et se prête peu ou pas au risque qu'un opérateur interfère avec les opérations..

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