Injection device

US6383167B2 · kind B2 · utility

Assignee

• Disetronic Licensing AG · CH

Inventors

• Fritz Kirchhofer · Sumiswald, CH
• Peter Michel · Burgdorf, CH
• Birger Hjertman · Sundbyberg, SE
• Gustav Levander · Bromma, SE
• Olle Ljungquist · Täby, SE

Key dates

• Filing date: Jun 25, 2001
• Grant date: May 7, 2002
• Expiry date: Jun 25, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M5/31563
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention relates to an injection device for injecting a selectable dose of a liquid substance from an ampoule, located in an ampoule holder, comprising a piston and a sleeve-shaped mechanism holder, mechanically coupled thereto, in the interior of which a longitudinally shiftable shaft is provided which acts on the ampoule.