An object of the invention is to provide a medical apparatus and a medical system with an improved operability. The medical apparatus 1 is characterized by including an endoscope 2, a manipulator 3 having at least one degree of freedom, a flexible cylindrical sheath 4 mounted on an outer circumference of the manipulator 3, a treatment tool 5 inserted through the sheath 4, and an endoscope/manipulator operating unit 11 for independent operation of the endoscope 2 and manipulator 3.
