Auto-injector and related methods of use

US12226614B2 · kind B2 · utility

Assignee

• REGENERON PHARMACEUTICALS, INC. · US

Inventors

• Daniel HALBIG · Ballston Lake, US
• Bryan GRYGUS · Clifton Park, US
• Trevor LANGLEY · Rensselaer, US
• Andrew DUMONT · Rensselaer, US
• Bart E. Burgess · Glenmont, US
• Matthew PAUSLEY · Gansevoort, US
• Ross KENYON · Saratoga Springs, US

Key dates

• Filing date: Dec 29, 2021
• Grant date: Feb 18, 2025
• Expiry date: Dec 29, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/8281
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An auto-injector may include a container capable of comprising a medicament; a shuttle coupled to the container and on a horizontal path with a first state and a second state; an energy source configured to release energy to translate the container and to translate the shuttle, preferably the energy source is pressurized fluid from a can; an impediment preventing horizontal movement of the shuttle before activation of the auto-injector; and a needle having a first end configured to extend out of the auto-injector, and a second end configured to extend into the container, wherein the second end of the needle and the container are not in fluid communication with one another before activation of the auto-injector.