Method of making orthopedic implants and the orthopedic implants
First Claim
1. A method of making an orthopedic implant for a bone comprising the steps ofselecting a plurality of samples of the bone and taking a CT scan of each of the samples of the bone;
- using the output from the CT scan to generate a 3D graphical solid body model of each of the samples of the bone;
placing the 3D graphical models into a category of one or more of a first category, a second category and a third category, determining the center of mass for each 3D graphical model, and generating an X, Y and Z plane for each model;
placing the 3D graphical models for one category into an assembly and aligning each of the 3D graphical models in that category at the center of mass to create a categorized composite 3D graphical solid body model of the bone;
forming a plurality of cross sections of the categorized composite 3D graphical model and building cross sections which are assembled to create a lofted contoured surface and cutting the lofted contoured surface to create a categorized implant form;
fitting the categorized implant form on the categorized composite 3D graphical model and on the 3D graphical model of each of the samples of the bone in a category to check for conformity to the surface of the bone;
using the categorized implant form to create a design of the implant; and
using the design of the implant to make the implant.
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Accused Products
Abstract
The present invention relates to a method of designing an orthopedic implant in which a plurality of samples of the bone are selected and a CT scan of each of the samples of the bone is taken so that the data from the CT scan can be used to generate a 3D graphical solid body model of each of the sample of the bone. The 3D graphical models are placed into a category of one or more of average, small, and large, and the center of mass and an X, Y and Z plane for each model is determined. The 3D graphical models for one category is assembled and aligned at the center of mass to create a categorized composite 3D graphical solid body model of the bone. The categorized composite 3D graphical model is sectioned at a specified interval to create a lofted contoured surface of a selected thickness which is cut to create a categorized implant profile. The categorized implant profile is graphically fit on the categorized composite 3D graphical model and on the 3D graphical model of each of the sample of the bone in a category to check for conformity to the surface of the bone. The categorized implant profile is used to create a design of the implant.
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Citations
30 Claims
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1. A method of making an orthopedic implant for a bone comprising the steps of
selecting a plurality of samples of the bone and taking a CT scan of each of the samples of the bone; -
using the output from the CT scan to generate a 3D graphical solid body model of each of the samples of the bone; placing the 3D graphical models into a category of one or more of a first category, a second category and a third category, determining the center of mass for each 3D graphical model, and generating an X, Y and Z plane for each model; placing the 3D graphical models for one category into an assembly and aligning each of the 3D graphical models in that category at the center of mass to create a categorized composite 3D graphical solid body model of the bone; forming a plurality of cross sections of the categorized composite 3D graphical model and building cross sections which are assembled to create a lofted contoured surface and cutting the lofted contoured surface to create a categorized implant form; fitting the categorized implant form on the categorized composite 3D graphical model and on the 3D graphical model of each of the samples of the bone in a category to check for conformity to the surface of the bone; using the categorized implant form to create a design of the implant; and using the design of the implant to make the implant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of making a plate for a one or more of a bone comprising the steps of
selecting a plurality of samples of the bone and taking a digital imaging scan of each of the samples of the bone and using the output from the digital imaging scan to generate a 3D graphical solid body model of each of the samples of the bone; -
determining the center of mass for each 3D graphical model, and generating an X, Y and Z plane for each model relative to the center of mass and aligning each of the 3D graphical solid body models at the center of mass and in the X, Y, and Z planes to create a composite 3D graphical solid body model of the bone; using the composite 3D graphical model to create a graphical bone plate profile; graphically fitting the graphical bone plate profile on the composite 3D graphical model and on the 3D graphical model of each of the samples of the bone to check for conformity of the bone plate profile to the surface of the bone; using the graphical bone plate profile to create a design of the bone plate; and using the design of the bone plate to make a bone plate. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification