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Automatic needle protector

  • US 5,389,085 A
  • Filed: 11/29/1993
  • Issued: 02/14/1995
  • Est. Priority Date: 02/11/1993
  • Status: Expired due to Fees
First Claim
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1. A needle protector device comprising:

  • a needle having a tip;

    a hub having an upper end adapted for coupling to a unit operative with said needle and a lower end to which said needle is attached;

    a mount having an upper end coupled to said hub, an open lower end, and an aperture disposed in a side thereof, said aperture including an entrance position and an armed position radially spaced from said entrance position by a portion of said mount protruding into said aperture; and

    a protective cover having a diameter smaller than the diameter of said mount, said protective cover having an upper end disposed inside of said lower end of said mount and an apertured lower end, wherein said cover is adapted for being in a needle protection position in which said lower end of said cover is disposed over said needle tip or a retracted position in which said needle tip extends through said apertured lower end of said cover, wherein said cover has a lug for engaging said aperture of said mount so that, as said cover is moved between said needle protection position and said retracted position, said lug moves within said aperture, wherein said device is armed by rotating said cover to move said lug from said entrance position over said protruding portion of said mount and to said armed position.

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