US 7,945,021 B2 | Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager

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US 7,945,021 B2

Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager

Tech Center:

2800 Semiconductors/Memory, Circuits/Measuring and Testing, Optics/Photocopying, Printing/Measuring and Testing

Examiner:

Allen C. Ho

Art Unit:

2882 Optics

Agent:

Blakely, Sokoloff, Taylor & Zafman LLP

Inventors:

Edward G. Shapiro; Edward J. Seppi; John M. Pavkovich; Stanley W. Johnsen; Richard E. Colbeth; Peter Munro

Assignee:

VARIAN MEDICAL SYSTEMS, INC.

Priority:

12/18/02

Filed:

12/18/02

Granted:

05/17/11

Expiration:

12/18/22

Abstract

A multi-mode cone beam computed tomography radiotherapy simulator and treatment machine is disclosed. The radiotherapy simulator and treatment machine both include a rotatable gantry on which is positioned a cone-beam radiation source and a flat panel imager. The flat panel imager captures x-ray image data to generate cone-beam CT volumetric images used to generate a therapy patient position setup and a treatment plan.

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