| FootAnkle
LowerLimb WholeBody |
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The Below-Knee (BK) Prosthetic Optical
Digitizer uses laser light to quickly scan the subject's
residual limb. Full scans are performed in 3.5 seconds measuring
up to 70,000 data points which are used by the computer to create
a three dimensional surface file. Small landmarks are placed
on key anatomical locations which are automatically labeled
and transferred to the 3-D model from the scan data. |
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BKSCANSHAPE software developed by RERC provides the user interface
to the digitizer hardware and processes the point data to generate
the computer surface model. The software uses neural networking
to detect and automatically label landmarks placed on the subject's
limb. The software can take measurements and perform data smoothing.
The 3-D model can then be exported to a number of standard formats
for input into existing socket design applications. Figure at
left shows a solid 3-D surface model with labeled landmarks
from the scan of a right leg, below-knee amputee. |
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