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Injection device with cammed RAM assembly

  • US 10,279,131 B2
  • Filed: 08/11/2016
  • Issued: 05/07/2019
  • Est. Priority Date: 07/15/2011
  • Status: Active Grant
First Claim
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1. An injector, comprising:

  • a trigger mechanism including;

    a trigger member having a retainer portion, anda ram assembly having a ram configured to pressurize a medicament container for expelling a medicament therefrom, the ram assembly further having a trigger engagement member configured to engage the retainer portion of the trigger member in a pre-firing condition;

    an energy source associated with the ram for powering the ram to expel the medicament; and

    a firing-initiation member configured to cause relative movement between the trigger engagement member and the retainer portion from the pre-firing condition to a firing condition in which the trigger engagement member is released from the retainer portion to allow the energy source to fire the ram,wherein movement of the trigger engagement member is configured to cause rotation of the ram.

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