1
Robert V Kenna: Prosthetic knee joint with improved patellar component tracking. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Elizabeth O Slade, July 31, 1990: US04944756 (93 worldwide citation)

A three-component knee joint prosthesis is disclosed including femoral, tibial and patellar components. During flexion of the prosthetic knee, the patellar component, which has a convex bearing surface, cooperates with and is guided by a patellar track defined by the anterior plate portion, lateral ...


2
Robert V Kenna: Prosthetic knee joint with improved patellar component tracking. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Elizabeth O Slade, July 30, 1991: US05035700 (66 worldwide citation)

A three-component knee joint prosthesis is disclosed including femoral, tibial and patellar components. During flexion of the prosthetic knee, the patellar component, which has a convex bearing surface, cooperates with and is guided by a patellar track defined by the anterior plate portion, lateral ...


3
Kenna Robert Vincent: Prosthetic knee joint with improved patellar component tracking.. Pfizer Hospital Prod, August 9, 1989: EP0327297-A2 (24 worldwide citation)

A three-component knee joint prosthesis (1) is disclosed including femoral, tibial and patellar components (7, 3, 5). During flexion of the prosthetic knee, the patellar component (5), which has a convex bearing surface (51), cooperates with and is guided by a patellar track (57) defined by the ante ...


4
Kenna Robert Vincent: Prothese de larticulation du genou avec trajet ameliore de la rotule, Prosthetic knee joint with improved patellar component tracking. Pfizer Hospital Products Group, Howmedica, SMART & BIGGAR, November 2, 1993: CA1323730

PROSTHETIC KNEE JOINT WITH IMPROVED PATELLAR COMPONENT TRACKING AbstractA three-component knee joint prosthesis isdisclosed including femoral, tibial and patellarcomponents. During flexion of the prosthetic knee, thepatellar component, which has a convex bearing surface,cooperates with and is guided ...