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Control module cassette locks and methods

  • US 5,928,196 A
  • Filed: 08/14/1996
  • Issued: 07/27/1999
  • Est. Priority Date: 08/14/1996
  • Status: Expired due to Fees
First Claim
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1. A medical infusion pump system comprising:

  • a cassette having a clamshell housing and a pressure plate,the clamshell housing including a first shell and a second shell, the first shell being hingedly connected to the second shell allowing the housing to be in an open position or in a closed position, the housing defining one open end and an interior space;

    the pressure plate engaging the housing at the open end when the housing is in the closed position, the pressure plate defining an opening communicating with the interior space, and the pressure plate including attachment structure; and

    a pump removably attachable to the attachment structure of the pressure plate to mount the cassette to the pump, the pump including a retaining portion, wherein when the pump is attached to the pressure plate, the retaining portion retains the housing in the closed position, wherein the retaining portion of the pump includes a skirt, wherein when the pump is attached to the pressure plate, the skirt overlaps the housing to retain the housing in the closed position.

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