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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Advanced Manufacturing
Presentation Title Reducing Radiation Exposure to the Rectum during Prostate Cancer Radiation Therapy using NiTi Shape Memory Alloy
Author(s) Hossein Lavvafi, Ayush Tiwari, Ahmadreza Jahadakbar, Mahbod Pourriahi, Mohammad Elahinia, Vijaya Kumar Devabhaktuni, E. Ishmael Parsai
On-Site Speaker (Planned) Hossein Lavvafi
Abstract Scope An effective radiotherapy treatment entails maximizing radiation dose to the tumor while sparing surrounding tissues. With the advent of SBRT in treating tumors including prostate where ablative dose is delivered in smaller number of fractions, rectum remains a dose limiting organ and at the risk of rectal toxicity or secondary cancer. An effective solution to such problem is to physically displace the organ at risk. This research presents an organ re-positioner device that is designed to displace the rectum away from the path of radiation beam employing a NiTi alloy that is shape-set for displacing the rectum upon actuation. A circuit has been designed for inducing and controlling this reversible austenitic-martensitic transformation in a reliable, reproducible, and safe manner. The study finds the novel organ re-positioner device to be a promising tool that can be applied in a clinical setting for minimizing dose to the rectum during prostate radiation treatment.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Carbon Based Coatings Deposited on Nitrided Stainless Steel: Study of Thermal Degradation
Combining CALPHAD-informed Phase-field Modeling with Rapid Solidification Experiments for Prediction of Microstructure Evolution during Laser-based Additive Manufacturing
Comparative Mechanical Analysis between Epoxy Composite Reinforced with Random Short Cuarua Fibers and Aligned Long Curaua Fibers
Conceptual-Functional Model of Drilling Electrochemical Discharge Machining
Damage Evaluation of Impact by Low-speed on Fiberglass Composite with Laminates Aluminum 2024-T3
Deep Drilling in Soda-lime Glass Using Air Jet Assisted Electrochemical Discharge Machining (ECDM)
Effect of Tool Rotation on Tool Wear Phenomenon in Rotary Tool micro-USM
Finite Element Modelling of Current-activated, Pressure-assisted Densification (CAPAD): The Role of Materials Properties and Geometry on Thermal Gradients
Green Machining Process: Near-dry Electric Discharge Machining
Mechanisms and Influence of In-situ Pre-heating during Friction Welding
Microstructure-processing-property Relationships in Nanocrystalline Ceramics Produced Using Current-activated, Pressure-assisted Densification (CAPAD)
Numerical Modeling of High-Velocity Impact Welding
PAN-12: Influence of Dendritic Morphology on the Strain Field of Dendritic Solidification Structures
PAN-13: Microhardness Assessment of 316L Stainless Steel Fabricated by Laser Engineered Net Shaping
Reducing Radiation Exposure to the Rectum during Prostate Cancer Radiation Therapy using NiTi Shape Memory Alloy
Selective Laser Sintering of Polyamide/Hydroxyapatite Scaffolds
Sintering of Anisotropic Porous Microstructures
Tailoring the Mechanical Properties of Additively Manufactured Ti-6Al-4V Alloys by Post Processing

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