×

Self-injecting hypodermic syringe device

  • US 4,067,334 A
  • Filed: 10/29/1976
  • Issued: 01/10/1978
  • Est. Priority Date: 10/29/1976
  • Status: Expired due to Term
First Claim
Patent Images

1. A portable device for holding a loaded hypodermic syringe and effecting an instantaneous injection of the needle of the syringe into the flesh followed by operation of the plunger of the syringe, said device comprising in combination, a handle frame having a longitudinal guideway, a syringe slide movable along said guideway, means on said slide to support a syringe having a needle on one end and a plunger knob on the other, a spring connected between said syringe slide and handle frame, a sear engageable with said syringe slide and operable to secure the same in a retracted position in said guideway, and injecting means on said handle frame comprising relatively movable cylinder and piston elements, one of said elements being movable to a first position to release said sear and thereby cause said spring instantly to move said slide and a syringe when mounted thereon to inject the needle thereon into flesh, and continued movement of said element thereafter effecting movement of the plunger of said syringe to inject the contents of the syringe through said needle thereof.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×