Patient-modified implant
AssigneeBiomet Manufacturing, LLC
InventorsJohn R. White, Robert Metzger, Keith R. Berend
Life of this patent
Estimating the term…
Abstract
An orthopedic implant includes a first portion including at least one feature modified to be patient-specific and match the anatomy of a specific patient from a three-dimensional digital image of a patient's joint using computer modeling. The orthopedic implant includes a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with non-custom bone cuts.
Claims21
1-20. (canceled)
A method for manufacturing an orthopedic implant, comprising:
- constructing a computer model of a patient's joint using an image of the patient's joint;
- obtaining a digital image of a femoral implant having a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with standard size femoral bone cuts prepared for a non-custom femoral implant;
- modifying the digital image of the femoral implant by configuring an anterior femoral flange of the femoral implant to have at least one of a patient-specific orientation, a patient-specific shape and a patient-specific size to closely match a corresponding joint facing portion of a femur of a specific patient based on the image of the patient's joint;
- and
- manufacturing the femoral implant based on the modifying of the digital image.
A method for manufacturing an orthopedic implant, comprising:
- constructing a computer model of a patient's joint using an image of the patient's joint;
- obtaining a digital image of a femoral implant having a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with standard size femoral bone cuts prepared for a non-custom femoral implant;
- modifying the digital image of the femoral implant by configuring a joint facing feature of the femoral implant to have at least one of a patient-specific shape and a patient-specific size to closely match a corresponding joint facing portion of a femur of a specific patient based on the image of the patient's joint;
- and
- manufacturing the femoral implant based on the modifying of the digital image.
A method for manufacturing an orthopedic implant, comprising:
- constructing a computer model of a patient's joint using an image of the patient's joint;
- obtaining a digital image of a tibial tray including a non-custom locking mechanism couplable with a non-custom tibial bearing;
- modifying the digital image of the tibial tray by configuring a peripheral surface of the tibial tray to be patient-specific and to closely match a corresponding peripheral surface of a tibia of a specific patient based on the image of the patient's joint;
- and
- manufacturing the tibial tray based on the modifying of the digital image.
Dependencies are inferred from the claim text.