抄録
Recently, in the medical field, the used apparatuses should be evaluated the cleanliness to prevent the patient from being infected after they are washed and sterilized. Moreover, only used apparatuses which had be proved the cleanliness should be used again. So we focused an endoscope which hasn't had a good evaluation system for cleanliness yet. Then we have done it's qualitative and quantitative evaluation with Fourier transform type infrared spectrum measurement.
