It was reported to siemens that prior to a ct chest examination with the somatom definition flash system, the patient, whose health was described as unstable at the time of the examination and whose legs had been amputated below the knee (date unknown), was positioned on the patient table with the legs positioned in a nearly vertical position.This was due to the patient's legs having stiffened and being severely contracted (patient was unable to be positioned with legs horizontal to the patient table).It was also reported that the patient had a steel prosthetic or prosthetics on one or both of his legs at the time of the exam.Despite the user having reportedly checked the patient's leg position for gantry clearance, the patient's leg prosthetic(s) collided with the gantry during table movement at the end of the ct scan.This resulted in a broken gantry cover and plexi-ring.The patient sustained mild abrasion injury to the knee(s).According to the report no additional injuries were sustained aside from the mild abrasions.The ct scan was completed.The reported event occurred in (b)(6).
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