Method and apparatus for making customized fixation devices
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United States of America Patent
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Nov 22, 1994
Issued Date -
N/A
app pub date -
Jun 10, 1992
filing date -
Jun 10, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus is described for making a custom fixation device. The apparatus comprises a means for scanning a treatment site and for producing image data representative of the treatment site. A means for generating a set of vectors is included for defining a set of points, the set of vectors representative of the treatment site, the points associated with a surface, part of the surface representative of part of the treatment site, part of the surface hidden from view. Further, means for associating each point with a pole of a control polygon of a non-uniform rational B-spline, means responsive to the non-uniform rational B-spline for constructing a model of the treatment site, and means responsive to the model for constructing the fixation device are described.
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