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According to CDSCO guidelines, Battery-powered trephine system falls under Risk Class B under Dermatological and Plastic surgery category of Medical Devices. Intended use - A rotary surgical device consisting of a motor (an engine) and a cylindrical or trephine insertion portion. It usually has an extremely sharp-edged saw blade or a cutting blade with a thin saw blade. The blade is beveled on one side. It is used for removal of the intervertebral disc, other hard tissues, or soft tissues. It may have a speed control device. This is a battery- driven device. This article will give you complete information about manufacturing Battery-powered trephine system