This invention relates to a disposable cassette having a pumping chamber therein and with a controlled positive displacing pump driving apparatus for use with the cassette, for performing intravenous or intra-arterial infusions. More particularly, it pertains to disposable cassettes which include an...http://www.google.com.au/patents/US4842584?utm_source=gb-gplus-sharePatent US4842584 - Disposable fluid infusion pumping chamber cassette and drive mechanism thereof
