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Syringe pump and the like for delivering medication

  • US 4,976,696 A
  • Filed: 06/16/1989
  • Issued: 12/11/1990
  • Est. Priority Date: 08/10/1987
  • Status: Expired due to Term
First Claim
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1. A syringe pump comprising:

  • a housing having an elongate slot therethrough;

    a retainer mounted on said housing for receiving therein a syringe of the type including a barrel for holding liquid medication and a plunger movably positioned in the barrel for expelling the liquid medication therefrom;

    a driver movably mounted on said housing and being movable with respect to said slot, said driver positioned for engagement with said plunger for pushing said plunger into the barrel to thereby force the liquid medication out of the barrel;

    protection means attached to the driver, covering said slot and movable with respect to the slot to facilitate movement of the driver with respect to the slot and to move with the driver thereby providing constant protection of the slot so that foreign materials may be prevented from entering the housing through the slot;

    control means for regulating the movement of the driver against the plunger to thereby regulate delivery of the liquid medication from the barrel; and

    actuation means on the housing for permitting a user to select one or more functions under which the control means is to operate.

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