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Automatic injector

  • US 20030105430A1
  • Filed: 11/08/2002
  • Published: 06/05/2003
  • Est. Priority Date: 11/30/2001
  • Status: Abandoned Application
First Claim
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1. An automatic injector for delivering a fluid, comprising:

  • a housing including an activator arranged to activate said injector, said housing having a proximate end and a distal end;

    a syringe positioned within said housing, said syringe having a needle extending towards said distal end, a barrel, and a piston rod, said barrel arranged to contain the fluid therein, the fluid in communication with said needle, said piston rod slidingly located within said barrel for forcing the fluid through said needle upon activation of said injector;

    a control unit adapted to engage said piston rod, said control unit further adapted to slide and pivot within said housing; and

    a driving unit in communication with said housing and in communication with said control unit, said driving unit arranged to bias said control unit causing said control unit to slide towards said distal end and move said piston rod through said barrel to push the fluid through said needle for delivery into an injection site, said control unit arranged to pivot out of engagement with said piston rod at the end of delivery.

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