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Triggering means for a pressure jet injector

  • US 20040129803A1
  • Filed: 12/18/2003
  • Published: 07/08/2004
  • Est. Priority Date: 06/20/2001
  • Status: Abandoned Application
First Claim
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1. A pressure jet injector for administering an injectable product, said pressure jet injector comprising:

  • a) a casing;

    b) a feeder mounted on the casing;

    c) a pressure chamber from which the product is administered by a feeding action of the feeder, the product exiting through a jet outlet of the pressure jet injector;

    d) a trigger for triggering the feeder; and

    e) a resistance element supported by the casing, wherein a pressing force, with which the jet outlet is pressed against a tissue for an administration of the product, is exerted on the trigger and is transferred from the trigger to the resistance element and from the resistance element to the casing, the feeder being triggered as the pressing force reaches or exceeds a selected magnitude.

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