Patient alignment system with external measurement and...

Radiant energy – Irradiation of objects or material – Ion or electron beam irradiation

Reexamination Certificate

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Details

C250S492100, C250S491100, C356S370000, C356S370000, C378S020000, C378S065000, C378S068000

Reexamination Certificate

active

07446328

ABSTRACT:
A patient alignment system for a radiation therapy system. The alignment system includes multiple external measurement devices which obtain position measurements of components of the radiation therapy system which are movable and/or are subject to flex or other positional variations. The alignment system employs the external measurements to provide corrective positioning feedback to more precisely register the patient and align them with a radiation beam. The alignment system can be provided as an integral part of a radiation therapy system or can be added as an upgrade to existing radiation therapy systems.

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