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Combined syringe and needle shield

  • US 5,160,326 A
  • Filed: 06/19/1991
  • Issued: 11/03/1992
  • Est. Priority Date: 06/28/1988
  • Status: Expired due to Fees
First Claim
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1. A needle shielding device for use with a barrel, wherein a needle may be attached to the distal end of the barrel, the improvement comprising:

  • shield retaining means mounted on said barrel in use and including at least one locking slot and a keyway on an outer surface thereon and said keyway being longitudinally oriented therealong and includes distal and proximal ends thereon, andan elongated needle shield having an inner surface and being movable over said barrel and retaining means between a retracted position in which the needle is exposed and an extended position in which the needle is exposed and an extended position in which said shield covers said needle, said shield including at least one elongated key extending inwardly on its interior surface, said key adapted to slide through said keyway between said retracted and extended positions and wherein said key is an elongate and longitudinally oriented member extending inwardly from said inner surface of said shield and includes distal and proximal ends thereon.

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