Validity of a 3-D scanner for residual limb casting
The novel scanner assessed in this study returns fewer errors in assessing the shape and volume of a residual limb, with more detailed visual feedback. The next stage would require testing on human residual limbs.
A limb which has undergone amputation is known to show volume changes postoperatively, and it may take up to 18 months for these changes to stabilize. These changes may continue, to a lesser extent in a mature limb. The close fit of the prosthesis is crucial to allow effective use; trying to accommodate and measure these small fluctuations can prove to be challenging.
This novel 3-D scanning method has proven to be a potential means for useful monitoring of fluctuation in the shape and volume of the residual limb, especially postoperatively. This study was performed on existing models of residual limbs, where the anatomical landmarks of the human limb are not present. These landmarks are integral to understanding the size and shape of the residual limb, and further analysis is needed of the best method of defining these landmarks to be used.
Casting with plaster of Paris: https://www.youtube.com/watch?v=ZrP4YCMVXZY
cast to design soft wear: https://www.youtube.com/watch?v=4m-P-1c5Y0E
> From: Seminati et al., PLoS One 12 (2017) e0184498(Epub ahead of print). All rights reserved to The Author(s). Click here for the online summary.