A multi-pinhole (MPH) collimator is designed to pair with an existing fan-beam collimator for single-photon emission computed tomography (SPECT). A mechanical design has been developed for constructing a brain-dedicated MPH collimator that will replace a commercial single pinhole collimator for general imaging. The spatial and weight constraints are satisfied. Material deformation during operation is simulated and used to ensure safety and imaging accuracy. Monte-Carlo simulation of the gamma-ray interaction is performed to simulate brain imaging and validate the model geometry. The student has also determined the operation type of the shutter mechanism for specific apertures that will allow or restrict the passage of photons to adapt the imaging characteristics of the collimator.

• This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.

Creator

• He, Yulun

Publisher

• Worcester Polytechnic Institute

Identifier

• E-project-042717-105737

Advisor

• Medich, David Christopher
• Hou, Zhikun

Year

• 2017

Sponsor

• Michael King
• University of Massachusetts Medical Center

Date created

• 2017-04-27

Resource type

• Major Qualifying Project

Major

• Interdisciplinary

Rights statement

• In Copyright