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Misloaded IV tube detector for an IV pump

  • US 5,120,096 A
  • Filed: 09/25/1991
  • Issued: 06/09/1992
  • Est. Priority Date: 08/23/1990
  • Status: Expired due to Term
First Claim
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1. An assembly comprising:

  • a supporting structure;

    a door;

    means for mounting the door on the supporting structure for pivotal movement between an open position and a closed position, said door being subject to being restrained against movement to the closed position;

    a latch including a first latch member pivotally mounted on the door and a second latch member on the supporting structure, said first latch member being pivotable between a latching position in which the latch members are engaged to draw the door to the closed position and a releasing position in which the door is not locked in the closed position;

    said first latch member including a main body and an arm pivotally mounted on said main body;

    means for releasably retaining the arm in a normal position in which it is engageable with the second latch member during pivotal movement of the first latch member to the latching position to draw the door to the closed position; and

    said releasable retaining means being releasable in response to a predetermined force applied by the arm to the second latch member during pivotal movement of the second latch member toward the latching position as a result of the door being restrained against movement to the closed position to release the arm for pivotal movement to a failure position in which the latch is ineffective in drawing the door to the closed position.

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