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Disposable components for fluid line autoconnect systems and methods

  • US 9,839,775 B2
  • Filed: 08/22/2014
  • Issued: 12/12/2017
  • Est. Priority Date: 01/23/2008
  • Status: Active Grant
First Claim
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1. A disposable component system for use with a fluid line connection system of a medical infusion system, the disposable component system comprising:

  • a fluid handling cassette comprising;

    a generally planar body with at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for a fluid;

    a solution line spike located at a first end of the body, the solution line spike being in fluid communication with the at least one pump chamber via at least one flowpath of the plurality of flowpaths; and

    a spike cap having an inner surface configured to removably cover the solution line spike, wherein an outer surface of the spike cap includes a first raised feature that extends outwardly away from a longitudinal axis of the spike cap to aid in removal of the spike cap for connection of the solution line spike to a solution line, a second raised feature that extends outwardly away from the longitudinal axis of the spike cap to directly engage a groove in an inner surface of a solution line cap covering the solution line to engage the spike cap and the solution line cap directly with each other, and a third raised feature between the first and second raised features that extends outwardly away from the longitudinal axis of the spike cap and is configured as a stop for the solution line cap when the spike cap engages the solution line cap.

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