07217291 is referenced by 276 patents and cites 126 patents.

A system and method for replacing degenerated spinal disks in accordance with the present invention can substitute for interbody fusion techniques by replacing degenerated spinal disks with artificial spinal disks. In one embodiment, the system can comprise one or more artificial spinal disks, each comprising an upper and lower housing, a first spacer and a second spacer partially enclosed by a cavity formed by the housings, and a shaft with a spring positioned between the first spacer and the second spacer such that the spacers are urged apart.

Title
System and method for replacing degenerated spinal disks
Application Number
10/730717
Publication Number
7217291 (B2)
Application Date
December 8, 2003
Publication Date
May 15, 2007
Inventor
John A Markwart
Castro Valley
CA, US
Steve Mitchell
Pleasant Hill
CA, US
John J Flynn
Concord
CA, US
Scott A Yerby
Montara
CA, US
Charles J Winslow
Walnut Creek
CA, US
Ken Y Hsu
San Francisco
CA, US
James F Zucherman
San Francisco
CA, US
Agent
Fliesler Meyer
Assignee
St Francis Medical Technologies
CA, US
IPC
A61F 2/44
View Original Source