Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Derek James Wallace McMinn0
Date of Patent
February 1, 2011
0Patent Application Number
116163990
Date Filed
December 27, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A total knee prosthesis comprises a femoral component and a patellar component. The femoral component has a patellar flange into which is built a twist or roller coaster configuration. The patellar component has an off-set dome with respective lateral and medial facets. The configuration of the patellar flange resists forces from a medial to a lateral direction, whilst the lateral and medial facets of the patellar component are respectively shaped to allow area contact and line contact respectively with the femoral component. Also disclosed is a device for intra-operative checking of patellar tracking to allow correct insertion of the femoral and patellar components.
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