The miniature peristaltic pump (1) of this invention includes a pump module (2) comprising a gear (11) arranged to drive a rotor bearing rollers, said rollers crushing locally at least one tube into which a medicinal preparation may be sucked in at the input (13) and expelled at the output (14) thereof....http://www.google.es/patents/US5083908?utm_source=gb-gplus-sharePatente US5083908 - Miniature peristaltic pump
