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The detector head of a FX-80 Nuclear camera may fall from the gantry. Three potential causes have been determined. (1) A ball nut in the detector's radial drive assembly can back out of the bearing block that contains it. (2) Misalignment of the radial drive assembly. (3) Mounting bolts on the radial drive assembly may become loose, fail, or back out.
Results of tests are biased low due to a vendor change in formulation not brought to the attention of the recalling firm.
The detector head of a FX-80 Nuclear camera may fall from the gantry. Three potential causes have been determined. (1) A ball nut in the detector's radial drive assembly can back out of the bearing block that contains it. (2) Misalignment of the radial drive assembly. (3) Mounting bolts on the radial drive assembly may become loose, fail, or back out.