A medical apparatus analysis device comprising: a structure input unit to which the multidimensional structure information of a medical apparatus is inputted; an estimation unit for estimating the after-cleaning residual contamination state of the medical apparatus from the multidimensional structure information of the medical apparatus inputted to the structure input unit, on the basis of a prelearned model having learned about a relationship between the multidimensional structure information of a medical apparatus for learning and the after-cleaning residual contamination state of the medical apparatus for learning; and an output unit for outputting the after-cleaning residual contamination state of the medical apparatus estimated by the estimation unit.
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