SECTION 252:410-11-34. Tube housing assemblies

Latest version.

  The tube housing assemblies of a <1 MeV system must:
(1)   be capable of being immobilized for stationary treatments;
(2)   be marked so the location of the focal spot can be determined to within 5 millimeters. This marking must be readily accessible for use during calibration procedures; and
(3)   for contact therapy tube housing assemblies, have a removable shield of at least 0.5 millimeter lead equivalency at 100 kVp that can be positioned over the entire useful beam exit port during periods when the beam is not in use.

[Source: Added at 17 Ok Reg 1136, eff 6-1-00]

                    
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