Vertebral body replacement implant

US7744650B2 · kind B2 · utility

Assignee

• Aesculap AG · DE

Inventors

• Stephan Lindner · Wurmlingen, DE
• Jens Beger · Tuttlingen, DE
• Sven Diehl · Zweibrücken, DE
• Allan Maas · Konstanz, DE

Key dates

• Filing date: May 17, 2006
• Grant date: Jun 29, 2010
• Expiry date: Jan 4, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2230/0013
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A vertebral body replacement implant having an upper and a lower support plate and two load-bearing elements, the mutual spacing of which is adjustable and of which at least one is connected in an articulated manner to a support plate, the load-bearing element in the region of the articulated connection to the support plate having a bearing projection with a spherical lateral support surface having a complimentary design to the contact surface of the support plate or a bearing part connected thereto, the contact surface extending in peripheral direction at least over 180°, the support plate or the bearing part is mounted on the bearing projection pivotably about a pivotal axis that extends parallel to the support plate, and a releasable clamping device that clamps the bearing projection and the support plate or the bearing part in the contact region of the lateral surface and/or of the contact surface against one another.