Yiap, Lee Kien
(2015)
Designing and the construction of
traditional and innovative 3D printed
radiotherapy mask.
Project Report.
Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia.
(Submitted)
Abstract
Perspex or thermoplastic devices are moulded directly to patient anatomy
especially for immobilization when patients undergoing brain or head and neck
radiotherapy. Some studies found that direct moulding can be distressing for
patient and the shells do not always fit perfectly. A treatment shell able to
generate directly from three dimensional (3D) printer with the help from a
computer.
This paper focuses on improving the flexibility and quality of the existing
treatment shell. The innovative custom made treatment shell was then designed
and printed by using 3D printer.
To segment the surface of the patient's head from CT or MRI datasets,
computer algorithms were used. After segmentation, 3D model which is suitable
for printing on 3D printer is constructed. The material used to construct the
prototypes were acrylonitrile butadiene stryrene
Innovative custom made treatment shells allow end users to choose any shape
to cover any region depends on patient’s condition such as swallowing on
cheek. The flexibility of the treatment shells were increased gives good impact
to treatment deliver.
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