Blood oxygenation system including automatic means for stabilizing the flow rate of blood therethrough

An apparatus for sensing and signaling changes in the pressure and volume of a fluid passing therethrough, the apparatus comprising: (a) a hollow chamber; (b) a compliant reservoir for holding the fluid, the reservoir being located in the hollow chamber and being fitted with inlets and outlets for t...

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Hauptverfasser: HAMMOND, GARY W, WALMET, GUNNAR E, INGENITO, DONALD R
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus for sensing and signaling changes in the pressure and volume of a fluid passing therethrough, the apparatus comprising: (a) a hollow chamber; (b) a compliant reservoir for holding the fluid, the reservoir being located in the hollow chamber and being fitted with inlets and outlets for the fluid; and (c) a motion actuated means in the chamber for signaling changes in the size of the compliant reservoir. In one embodiment, the apparatus is used in an extracorporeal circuit to sense changes in the pressure and volume of blood and to signal the speed controller on a blood transfer pump in the blood circuit.