1
Peter S Walker, Frederick C Ewald: Method of designing and manufacturing a human joint prosthesis. Wolf Greenfield & Sacks, June 26, 1990: US04936862 (520 worldwide citation)

A customized human joint prosthesis replicating the primary contours and dimensions of a patient's bone is designed and manufactured utilizing an average anatomical bone shape. The average anatomical bone shape is generated by digitizing and storing in a computer memory the average three dimensional ...


2
Peter S Walker, Frederick C Ewald: Method of design of human joint prosthesis. Wolf Greenfield & Sacks, April 18, 1989: US04822365 (298 worldwide citation)

A method of designing a prosthesis having convex male and concave female mating portions is provided for a human joint comprising a condylar male portion the surface of which is generated by the piecewise analysis of an anatomical condyle, which can be an average condyle or a selected condyle, or a ...


3
Matthew P Poggie, Peter S Walker, Frederick C Ewald: Apparatus for knee prosthesis. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Raymond W Augustin, October 5, 1993: US05250050 (258 worldwide citation)

A modulator apparatus for use in the preparation of bone surfaces and the implantation of a modular total knee prosthesis in a patient, which apparatus comprises cutting guides, templates, alignment devices, a distractor and clamping instruments which provide modularity and facilitate bone resection ...


4
Matthew P Poggie, Peter S Walker, Frederick C Ewald: Apparatus for knee prosthesis. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Raymond W Augustin, March 26, 1991: US05002547 (248 worldwide citation)

A modular apparatus for use in the preparation of bone surfaces and the implantation of a modular total knee prosthesis in a patient, which apparatus comprises cutting guides, templates, alignment devices, a distractor and clamping instruments which provide modularity and facilitate bone resection a ...


5
Peter S Walker, Frederick C Ewald: Process and apparatus for tibial plateau compenent. Wolf Greenfield & Sacks, April 18, 1989: US04822362 (108 worldwide citation)

A prosthesis and a surgical procedure (process) therefore are provided having a relatively thin plate fitted to a resected portion of the tibial plateau with the plate fitting uniformly around a major portion of the calcareous bone of the cortical wall. A pin on the under side of the plate aligned s ...


6
Matthew P Poggie, Peter S Walker, Frederick C Ewald: Apparatus for knee prosthesis. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, Raymond W Augustin, May 26, 1992: US05116338 (106 worldwide citation)

A modulator apparatus for use in the preparation of bone surfaces and the implantation of a modular total knee prosthesis in a patient, which apparatus comprises cutting guides, templates, alignment devices, a distractor and clamping instruments which provide modularity and facilitate bone resection ...