×

NEEDLE ASSISTED JET INJECTION DEVICE HAVING REDUCED TRIGGER FORCE

  • US 20140303556A1
  • Filed: 02/11/2014
  • Published: 10/09/2014
  • Est. Priority Date: 02/11/2013
  • Status: Active Grant
First Claim
Patent Images

1. An injector, comprising:

  • a trigger mechanism including;

    a trigger member disposed about an axis having an aperture and a protrusion, 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 aperture of the trigger member when the 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 having an aperture engaged with the protrusion of the trigger member and operable for causing an axial translation of the trigger member in a proximal direction from the pre-firing condition to a firing condition in which the 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
    ×
    ×