A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/38 (2006.01) A61M 1/34 (2006.01) A61M 1/36 (2006.01)
Patent
CA 2214754
If pressure constraints occur during the execution of blood treatment, the pump flow rates are rapidly decelerated to remove the pressure constraints so that the treating operation will restore the normal state as quickly as possible. After the pressure constraints have been removed, the pump flow rates are restored at a preset acceleration without causing any excessive pressure buildup due to an abruptly increased load. If the pump flow rates immediately after the start of operation of the processor are increased through two stages of acceleration, the target flow rates can be rapidly reached without exerting any abrupt load on the processor and, hence, without causing an excessive pressure buildup.
Si des contraintes de pression s'exercent pendant le traitement du sang, le débit de la pompe est rapidement réduit pour éliminer ces contraintes, ce qui permet de rétablir l'état normal le plus rapidement possible. Après la suppression de ces contraintes, le débit de la pompe est rétabli à son rythme de départ sans exercer une pression excessive suite à une augmentation subite de charge. Si, immédiatement après le début de la mise en marche du processeur, le débit de la pompe est augmenté au cours de deux étapes d'accélération, les débits cibles peuvent être rapidement atteints sans imposer de charge abrupte au processeur et, par conséquent, sans créer de pression excessive.
Hamanishi Yasufumi
Nakayama Takehisa
Narisada Masataka
Tachibana Hiroshi
Takao Yoshizumi
Kaneka Corporation
Riches Mckenzie & Herbert Llp
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