EN 60601-2-1 Electron Accelerator Testing

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EN 60601-2-1 Scope:

EN 60601 2 1 testing applies to the basic safety and essential performance of electron accelerators. Hereafter referred to as medical electronic equipment, in the range 1 MeV to 50 MeV, used for the treatment of patients.

EN 60601-2-1 applies to the manufacture and some installation aspects of electron accelerators:

• Intended for radiotherapy in human medical practice. Including those in which the selection and display of operating parameters can be controlled automatically by programmable electronic subsystems (PESS),
• That, under normal conditions and in normal use, deliver a radiation beam of X-radiation and/or electron radiation having:
  • Nominal energy in the range 1 MeV to 50 MeV,
  • Maximum absorbed dose rates between 0,001 Gy × s–1 and 1 Gy × s–1 at 1 m from
  • The radiation source,
  • Normal treatment distances (NTDs) between 0,5 m and 2 m from the radiation source, and
• Intended to be:
  • For normal use. Operated under the authority of appropriately licensed or qualified persons by operators having the required skills for a particular medical application, for particular specified clinical purposes, e.g. stationary radiotherapy or moving beam radiotherapy,
  • Maintained following the recommendations given in the instructions for use,
  • Subject to regular quality assurance performance and calibration checks by a qualified person.

NOTE 1 In EN 60601-2-1 testing, all references to installation refer to installation in the responsible organization’s premises.

NOTE 2 In EN 60601-2-1, all references to absorbed dose refer to absorbed dose in water.

IEC 61271 gives guidance on the designation of medical electronic equipment movements. The marking of scales, their zero positions, and the direction of movement with increasing value are also mentioned.

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