Thread-forming screw

US8403972B2 · kind B2 · utility

Assignee

• MEDARTIS AG · CH

Inventors

• Alain Hasenböhler · Binningen, CH
• Peter Scheuble · Schliengen, DE
• Dirk Thiel · Staufen, DE

Key dates

• Filing date: Oct 25, 2006
• Grant date: Mar 26, 2013
• Expiry date: Dec 16, 2027

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B17/8625
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A thread-forming screw includes a screw end, a shank, and a thread-free head, wherein the shank is provided at least partly with a thread and has a pre-forming region, an intermediate region, which is arranged to follow the pre-forming region, and an anchoring region, which is arranged so as to adjoin the intermediate region and below the head, wherein the pre-forming region is arranged so as to directly adjoin the screw end.