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Automatic Liquid Drug Preparation Apparatus for the Preparation of a Predetermined Dosage of Liquid Drug

  • US 20100087786A1
  • Filed: 05/04/2008
  • Published: 04/08/2010
  • Est. Priority Date: 05/02/2007
  • Status: Active Grant
First Claim
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1. Automatic liquid drug preparation apparatus for preparing a predetermined dosage of liquid drug for administration,the apparatus intended for use with a preparatory assemblage with liquid drug constituents for processing into a liquid drug assemblage with the predetermined dosage of liquid drug,the preparatory assemblage including a fluid control device, a vial prefilled with a medicament, and a syringe having a syringe end wall with an inside surface and a reciprocal plunger with a proximal plunger head and a distal plunger tip, the syringe being pre-filled with diluent for mixing with the medicament,the fluid control device including a body member having a syringe port for receiving the syringe, a vial adapter having a downward depending skirt with a plurality of upright slits defining flex members for snap fitting onto the vial, anda drug administration port for administrating the liquid drug,the vial adapter and the vial attached thereto being detachable from the body member on rotation with respect thereto,the fluid control device having a mixing flow path between the syringe port and the vial adapter and an administration flow path between the syringe 20 port and the drug administration port,the apparatus comprising:

  • (a) a housing;

    (b) a cradle for manual insertion of the preparatory assemblage thereinto; and

    (c) a controller for controlling the operation ofi) a motorized syringe drive unit for selectively reciprocating a plunger head drive member engaging the plunger head for reciprocating the plunger relative to the fluid control device for transferring liquid contents between the syringe and the vial,ii) a motorized cradle drive unit for selectively rotating said cradle with the preparatory assemblage relative to an initial upright position in said housing, andiii) a motorized vial adapter release unit for selectively rotating the vial adapter relative to the body member for detaching the vial adapter and its attached spent vial from the body memberfor processing the preparatory assemblage into the liquid drug assemblage with a predetermined dosage of liquid drug.

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