04932975 is referenced by 598 patents and cites 10 patents.

A dynamic prosthetic vertebral body for use in a cavity left by resection of a natural vertebral body and adjacent intervertebral discs. The prosthesis includes a pair of rigid housings joined by a connecting structure that is operable to shift the housings apart into supportive engagement with the healthy vertebral bodies adjacent the site of the resected body. Anchoring pins project outwardly in axial directions from the respective housings for secure fixation to the healthy vertebral bodies. Within the chamber of each housing is a rigid suspension plate surrounded by an elastomeric suspension medium, and the suspension plates of the two housings are joined by the expandable connecting structure. The relative sizes of the suspension plates and the chambers in which they are received allow limited movement of the housings, resulting in a prosthesis that provides the required support but also mimics the dynamics of a normal vertebra and adjacent discs.

Title
Vertebral prosthesis
Application Number
7/422106
Publication Number
4932975
Application Date
October 16, 1989
Publication Date
June 12, 1990
Inventor
Tony S Keller
Nashville
TN, US
Mark E Wells
Huntsville
AL, US
John A Main
Nashville
TN, US
Agent
Tilton Fallon Lungmus
Assignee
Vanderbilt University
TN, US
IPC
A61F 5/04
A61F 2/44
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