Mich. Admin. Code R. 333.5711 - Enclosures
Rule 711.
(1) A
fixed CT scanner enclosure shall be a permanent part of the building or
equipment. Portable shields shall not be used for permanent
installations.
(2) The degree of
protection required for a CT scanner enclosure shall be determined by the
workload, use and occupancy factors, and the tube potential, tube current,
mechanical movement, and distance. The design shall be subject to approval by
the department.
(3) Protective
barriers shall be provided in the ceiling, floor, and walls of a fixed CT
scanner enclosure.
(4) The control
panel for a fixed CT scanner shall be shielded by a protective barrier which
cannot be removed from a protective position between the operator and the
radiation source during machine operation.
(5) Movable barriers with electrical
interlocks shall not be approved in place of compliance with subrule (4) of
this rule.
(6) The operator of a
fixed CT scanner shall be able to see and communicate with the patient from a
shielded position at the control panel. When an observation window is provided,
it shall have a lead equivalence at least equal to that required of the control
barrier in which it is installed.
(7) Mobile or portable CT scanners used
routinely in 1 location shall be considered a fixed installation and shall meet
the requirements of subrules (1) to (6) of this rule.
Notes
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