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Syringe devices, components of syringe devices, and methods of forming components and syringe devices

  • US 8,137,307 B2
  • Filed: 11/09/2006
  • Issued: 03/20/2012
  • Est. Priority Date: 11/09/2005
  • Status: Active Grant
First Claim
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1. A syringe device comprising:

  • a syringe barrel;

    a piston having a first end insertable within the syringe barrel, and a second end opposing the first end;

    a vial housing comprising a first part and a second part, the first part disposed within the piston and configured to receive a capped end of a vial in lengthwise orientation along a portion of the overall length of the piston, the second part configured to engage both a base of the vial and the first part, the second part further defining an appendage comprising a stem supporting a disk, the appendage configured to engage a syringe pump;

    a fluid passageway extending through the piston from the first part through the first end;

    a valve having a valve body having a longitudinal axis, the valve body extending through an opening in a side of the piston, the longitudinal axis orthogonally traversing the fluid passageway; and

    a piercing structure associated with the second end of the piston and extending into the vial housing.

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