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Automatic needle injector having safety triggering mechanism

  • US 7,390,319 B2
  • Filed: 04/13/2005
  • Issued: 06/24/2008
  • Est. Priority Date: 04/13/2005
  • Status: Expired due to Fees
First Claim
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1. An injector, comprising:

  • a casing having an opening;

    a syringe, located within the casing, for holding medication;

    a trigger, coupled to the syringe and having at least a safe position and an injection-ready position, for initiating transmission of the medication in response to a) the trigger being in injection-ready position and b) force being applied to a bottom surface of the trigger;

    a lever, engaged with the casing, for causing the trigger to move from the safe position into the injection-ready position by moving the syringe in a first direction along a first axis;

    a first magnet coupled to at least one of the syringe and the trigger;

    a second magnet coupled to the casing; and

    a needle, coupled to the syringe, for, responsive to initiation by the trigger, transmitting medication from the syringe into an injection site on a patient;

    the magnets being situated to engage with one another so as to assist movement of the trigger into the injection-ready position.

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