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Disposable self-shielding unit dose syringe guard

  • US 20050033242A1
  • Filed: 09/14/2004
  • Published: 02/10/2005
  • Est. Priority Date: 03/10/1997
  • Status: Abandoned Application
First Claim
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1. A guard for a medical cartridge comprising proximal and distal ends, the distal end having a needle extending therefrom, the guard comprising:

  • a substantially rigid body having a cavity for receiving the cartridge axially therein through an open proximal end of the body, and having a distal end including an opening through which the needle may extend when the cartridge is received within the cavity;

    a finger grip on the proximal end of the body, the finger grip comprising;

    (i) lateral sides substantially surrounding a space for receiving the proximal end of the cartridge therein when the cartridge is received in the cavity, (ii) the lateral sides comprising detents defining slots in the lateral sides, said detents having sloped proximal surfaces and a blunt distal edge to permit one-way entry of the proximal end of the cartridge into the slots when the cartridge is received in the cavity, thereby preventing the cartridge from being removed from the body;

    a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, thereby uncovering and covering, respectively, the needle on the cartridge; and

    cooperating detents on the body and the shield for mutually engaging to hold the shield in the guarded position.

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