Affinity pump system: a new peristaltic blood pump for cardiopulmonary bypass.


An in vitro study has been carried out to assess the pump performance of a new peristaltic, extracorporeal displacement pump (Affinity) for cardiopulmonary bypass. The pump system consists of a pump rotor (0-110 rpm), a pump chamber, a venous reservoir with a 5/8" connecting tube and the Affinity console. The polyurethane chamber is connected to the venous… (More)


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