Rotating wheel filter design and optimization for a uniform depth dose distribution in heavy ion therapy

ZHOU Qing-Ming; ZHANG Hong; LI Qiang; WEI Li-Li; LIU Xin-Guo; GU Meng-Xia; WU Gui-Hong; DAI Zhong-Yin

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 294-298

Rotating wheel filter design and optimization for a uniform depth dose distribution in heavy ion therapy

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Abstract：
Treatment planning of heavy-ion radiotherapy involves predictive calculation of not only the physical dose but also the biological dose in a patient body. The goal in designing beam-modulating devices for heavy ion therapy is to achieve uniform biological effects across the spread-out Bragg peak (SOBP). To achieve this, a mathematical model of Bragg peak movement is presented. The parameters of this model have been resolved with Monte Carlo method. And a rotating wheel filter is designed basing on the velocity of the Bragg peak movement.

References

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ZHOU Qing-Ming, ZHANG Hong, LI Qiang, WEI Li-Li, LIU Xin-Guo, GU Meng-Xia, WU Gui-Hong and DAI Zhong-Yin. Rotating wheel filter design and optimization for a uniform depth dose distribution in heavy ion therapy[J]. Chinese Physics C, 2008, 32(S2): 294-298.

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Received: 2008-07-17
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Rotating wheel filter design and optimization for a uniform depth dose distribution in heavy ion therapy

Corresponding author: ZHOU Qing-Ming,

Received Date: 2008-07-17
Accepted Date: 1900-01-01
Available Online: 2008-01-03

Abstract: Treatment planning of heavy-ion radiotherapy involves predictive calculation of not only the physical dose but also the biological dose in a patient body. The goal in designing beam-modulating devices for heavy ion therapy is to achieve uniform biological effects across the spread-out Bragg peak (SOBP). To achieve this, a mathematical model of Bragg peak movement is presented. The parameters of this model have been resolved with Monte Carlo method. And a rotating wheel filter is designed basing on the velocity of the Bragg peak movement.