发明申请
US20150273230A1 System and Method For Hyperthermia Treatment Using Radiofrequency Phased Arrays
审中-公开
使用射频相位阵列进行热疗治疗的系统和方法
- 专利标题: System and Method For Hyperthermia Treatment Using Radiofrequency Phased Arrays
- 专利标题(中): 使用射频相位阵列进行热疗治疗的系统和方法
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申请号: US14668393申请日: 2015-03-25
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公开(公告)号: US20150273230A1公开(公告)日: 2015-10-01
- 发明人: Bastien Guerin , Lawrence L. Wald , Bruce Rosen
- 申请人: Bastien Guerin , Lawrence L. Wald , Bruce Rosen
- 主分类号: A61N1/40
- IPC分类号: A61N1/40 ; G06F17/16 ; G06F17/50 ; G01R33/36 ; A61B19/00
摘要:
Systems and methods for designing parallel transmission radiofrequency (RF) pulses for use in a RF treatment. The methods include selecting a target region in a subject, and providing a plurality of specific absorption rate (SAR) matrices for estimation of SAR at locations within the subject. The methods also include determining a first set of SAR matrices for locations in the target region using the provided SAR matrices, and determining a second set of SAR matrices for locations not in the target region using the provided SAR matrices. The methods further include designing a plurality of RF pulses for achieving a target power deposition in the target region by using the first set of SAR matrices and the second set of SAR matrices in an optimization that determines a set of RF waveforms that produce a target average local SAR using the first set of SAR matrices while minimizing a local SAR and a global SAR using the second set of SAR matrices.