×

Needle assisted jet injection device having reduced trigger force

  • US 9,364,611 B2
  • Filed: 05/07/2013
  • Issued: 06/14/2016
  • Est. Priority Date: 05/07/2012
  • Status: Active Grant
First Claim
Patent Images

1. An injector, comprising:

  • a trigger mechanism including;

    a floating trigger member having a retaining portion, anda ram assembly having a ram defining an axis and configured to pressurize a medicament container for expelling a medicament therefrom, the ram assembly further having a floating trigger engagement member configured to engage the retaining portion of the floating trigger member when the floating trigger member is in a pre-firing condition;

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

    a user-operable firing-initiation member operable for causing a rotation of the floating trigger member about the axis from the pre-firing condition to a firing condition in which the floating trigger engagement member is released from the retaining portion to allow the energy source to fire the ram.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×