| 摘要 |
A peristaltic pumping apparatus for use in blood processing procedures, comprising: a pump rotor rotatable about a rotational axis and a pump raceway circumferentially spaced about the axis; a pump cap disposed atop the pump rotor, the pump cap having a finger configured to engage a tubing loop of a length of tubing at a time of loading the tubing and guide the tubing loop within the raceway along the length of the tubing loop; and wherein the pump cap further comprises a tensioning wail disposed laterally opposite the finger, the tensioning wall configured to engage a length of the tubing loop at a time of unloading the tubing and provide tension to the tubing length as the tubing loop exits the raceway. |
