the force acting on the blood contacting member being hydraulic or pneumatic

Full Title

Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance (heart stimulation A61H31/00; heart stimulators for electrotherapy A61N1/362) > Details relating to driving > for positive displacement blood pumps > the force acting on the blood contacting member being hydraulic or pneumatic

Child Classifications

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• A61M 60/43 using vacuum at the blood pump, e.g. to accelerate filling
• A61M 60/432 with diastole or systole switching by stopping or reversing the blood pump operating at a much higher cyclical speed than the heart beat
• A61M 60/435 with diastole or systole switching by valve means located between the blood pump and the hydraulic or pneumatic energy source