A peristaltic pump constructed of a relatively small number of components so that performance and reliability criteria can be satisfied in a relatively economical and compact pump. In a preferred embodiment, the occlusion bed pivots about a pair of hinge pins integrally molded with the occlusion bed...http://www.google.es/patents/US5380173?utm_source=gb-gplus-sharePatente US5380173 - Peristaltic pump