Scope
This document applies to Magnetic Resonance Imaging (MRI) equipment used, for in radiation therapy for the purposes of image-guided radiotherapy (IGRT). This particular standard covers safety aspects of MRI device in a known geometrical relationship with an electron accelerator, light ion beam therapy equipment and radionuclide beam therapy equipment, for the purpose of IGRT.
Purpose
The existing safety standard for X-IGRT (IEC 60601-2-68) only deals with X-ray based IGRT equipment. This standard will create a new variant similar in structure but for MRI based IGRT. This is a practical and clean way of achieving coverage of MRIGRT.
Amending IEC 60601-2-68 to include MRI would make this very unwieldy and would require constant change as new modalities are added. Having a unique standard per modality keeps each standard very specific and clear. This was the original intent when IEC 60601-2-68 created.
This NWIP will produce a new particular standard with basic safety and essential performance requirements for equipment that has been brought to the market.
Comment on proposal
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