1
James R Wong, Chee Wai Cheng: Method for producing a range of therapeutic radiation energy levels. Ro Inventions I, Duane Morris, October 1, 2002: US06459762 (71 worldwide citation)

The present invention provides a method for producing a broad range of therapeutic radiation energy levels with a source of radiation that is operated to produce photons or particles at a first energy that are directed at a treatment site for a predetermined absorbed dose. The linear accelerator is ...


2
Vadim Moskvin, Chee Wai Cheng: Multi-leaf collimator for proton beam therapy. Indiana University Research and Technololgy Corporation, Barnes & Thornburg, November 5, 2013: US08575579 (1 worldwide citation)

A proton beam collimator comprising (a) titanium or (b) stainless steel containing no tungsten or (c) containing no tungsten or brass. The collimator comprises a multi-leaf collimator (MLC). The apparatus further comprises an integrated circuit (IC) mounted adjacent the collimator, the IC subject to ...


3
James R Wong, Chee Wai Cheng: Method for producing a range of therapeutic radiation energy levels. Samuel W Apicelli Esq, Duane Morris & Heckscher, November 14, 2002: US20020168048-A1

The present invention provides a method for producing a broad range of therapeutic radiation energy levels with a source of radiation that is operated to produce photons or particles at a first energy that are directed at a treatment site for a predetermined absorbed dose. The linear accelerator is ...



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