Patent · US Expired

System of intervertebral prostheses

US7311732B2 · kind B2 · utility

8Cited by

13References

3Claims

0Family size

Assignee

LinkSPINE, Inc. · US

Inventors

Helmut D. Link · Hamburg, DE
Arnold Keller · Kayhude, DE

Key dates

Filing date	Feb 5, 2003
Grant date	Dec 25, 2007
Priority date	—
Expiry date	Feb 5, 2023

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2230/0069
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

System of intervertebral prostheses which comprise a prosthesis core (5) and two cover plates (4, 6) which enclose the prosthesis core (5) by way of internal engaging surfaces (7). The system includes corrective cover plates (6) whose vertebral contact surface (12) is lengthened in the AP direction dorsally beyond the extent of standard prostheses (4). In sagittal section, the corrective cover plates are dorsally thickened, in particular wedge-shaped. The inner face (11) of the part (10) constituting the dorsal lengthening is beveled or recessed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.