Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1992-12-18
1994-11-01
Willse, David H.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623901, 36447424, A61F 228
Patent
active
053604466
ABSTRACT:
The present invention involves a system for interactively designing prosthetic implants using two x-ray images, for example two femoral x-rays for designing a hip implant. The x-rays are scanned into a computer which electronically stores and displays the representations of the images. The computer allows the user to select points on the representations which relate to the location of the hip implant, particularly the medullary canal and other related points. The selected points are associated and stored along with the electronically stored representations. Based on the medullary canal definition and other parameters, an implant topology is generated which may be displayed and templated for medical evaluation. The system allows for the points and other parameters to be altered for calculating another implant topology. Also, the system provides for the automated manufacture of the implant and its corresponding rasp broach wherein the stock material of the implant is milled in an orientation which minimizes gouging, processing time, and tool damage.
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Dawson Todd A.
Willse David H.
Zimmer Inc.
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