This invention provides an apparatus and method for controlling a fluid separation system, preferably a blood apheresis system, by sensing fluid pressure and comparing the sensed fluid pressure to a threshold value....http://www.google.es/patents/US7780618?utm_source=gb-gplus-sharePatente US7780618 - Extracorporeal blood processing apparatus and methods with pressure sensing
Extracorporeal blood processing apparatus and methods with pressure sensing
