Intervertebral implant

US8021424B2 · kind B2 · utility

Assignee

• Aesculap AG · DE

Inventors

• Jens Beger · Tuttlingen, DE
• Cecile Wagner · Tuttlingen, DE
• Alexander Haas · Albuquerque, US

Key dates

• Filing date: Jan 21, 2009
• Grant date: Sep 20, 2011
• Expiry date: Oct 15, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2250/0004
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In order, in an intervertebral implant having a core made of a swellable material and having a vertebral-body locating face on its top and/or bottom side, which is connected to the swellable core, to reduce the shearing forces between the swellable core and the vertebral-body locating face during swelling of the swellable core, it is proposed that the vertebral-body locating face comprises a plurality of support elements, which are respectively anchored adjacent to one another and individually in the core, and a plurality of mutually separate locating elements, which are disposed adjacent to one another and outside of the core and which are carried by the support elements and are movable relative to one another in the plane of the vertebral-body locating face.