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    System, method, and apparatus for infusing fluid
    23.
    发明专利
    System, method, and apparatus for infusing fluid 未知

    公开(公告)号：NZ739792A

    公开(公告)日：2019-08-30

    申请号：NZ73979212

    申请日：2012-12-21

    Applicant: DEKA PRODUCTS LP

    Inventor： KAMEN DEAN ,  PERET BOB ,  KANE DEREK ,  YOO BRIAN ,  TRACEY BRIAN ,  LANGENFELD CHRISTOPHER ,  LANIGAN RICHARD ,  KERWIN JOHN ,  SLATE MICHAEL ,  GRAY LARRY B ,  PLACE MICHAEL S ,  LANIER GREGORY ,  DURAND KEVIN A ,  SMITH STANLEY ,  MURPHY COLIN ,  SCARPACI JACOB ,  BLUMBERG DAVID ,  DEMERS JASON ,  BEAVIS RUSSELL H ,  CANNAN DAVID ,  PERRY N CHRISTOPHER ,  MANDRO MARC

    IPC: F04B43/12 ,  A61M1/28 ,  A61M5/142 ,  A61M5/145 ,  A61M5/168

    Abstract: A peristaltic pump and a method of operating an infusion pump are disclosed. The peristaltic pump comprises, a pump housing, a door pivotally coupled to the pump housing having a platen disposed on an inner portion of the door, a cam-follower shaft disposed within the housing, a cam shaft disposed approximately parallel with the cam-follower shaft, a first cam disposed on the cam shaft to rotate with the cam shaft, a first cam follower pivotally coupled to the cam-follower shaft, the first cam follower having an active end configured to actuate toward the door when closed against the housing, the first cam follower also having a follower end configured to engage with the first cam, a second cam disposed on the cam shaft to rotate with the cam shaft, a second cam follower pivotally coupled to the cam-follower shaft, the second cam follower having an active end configured to actuate toward the door when closed against the housing, the second cam follower also having a follower end configured to engage with the second cam, a third cam disposed on the cam shaft to rotate with the cam shaft, wherein the third cam is disposed between the first and second cams on the cam shaft, a third cam follower pivotally coupled to the cam-follower shaft, the third cam follower having an elongated active end which is elongated relative to at least one of the first and second cam follower active ends and configured to actuate toward the platen when the door is closed against the housing, the third cam follower also having a follower end configured to engage with the third cam, and a spring coupled to the third cam follower to bias the follower of the third cam follower against the third cam. The third cam follower and third cam are configured such that as the elongated active end actuates away from the platen, the third cam actuates the third cam follower away from the cam shaft.

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