Receiving part for a retaining component of a vertebral column implant

US6074391A · kind A · utility

Assignee

• Howmedica Inc. · DE

Inventors

• Peter Metz-Stavenhagen · Frebershausen, DE
• Bernd Robioneck · Preetz, DE

Key dates

• Filing date: Jun 15, 1998
• Grant date: Jun 13, 2000
• Expiry date: Jun 15, 2018

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B17/7049
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A receiving part for a retaining component of a vertebral column implant, having a fork-shaped section for receiving the retaining component, with the inner wall of the fork-shaped section including inner threaded portions into which there may be screwed a screw which, either directly or via a pressing element, acts on the retaining component in the fork-shaped section. The inner threaded portions and the outer thread of the screw comprises a saw tooth thread of a shape that the steep flanks of the inner threaded portions face away from the opening of the fork-shaped section.