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Syringe-filling medication dispenser

  • US 5,304,165 A
  • Filed: 12/09/1991
  • Issued: 04/19/1994
  • Est. Priority Date: 12/09/1991
  • Status: Expired due to Fees
First Claim
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1. A medication dispenser, for use with a container containing a liquid medication and a syringe of the type including a needle cannula, a barrel and a plunger, the dispenser comprising:

  • a body to which the container and the syringe are mountable;

    dual port means for providing gas and liquid ports into the interior of the container;

    and a reciprocating pump assembly having a cylinder and a piston, the pump assembly fluidly coupled to the container by the liquid port and spaced apart from, and fluidly coupled to the syringe by a fluid path, the piston being movable from a first position to a second position to withdraw the liquid medication from the container, through the liquid port and into the cylinder, the withdrawn liquid medication being substantially simultaneously replaced with a gas which passes into the container through the gas port, the piston being movable from the second position back towards the first position to force a predetermined volume of the liquid medication along the fluid path and into the needle cannula of the syringe.

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