A medical apparatus 1 to be introduced into a body 101, includes: image pickup means 50 for picking up an image in the body 101 a cable 43 extended from the image pickup apparatus 50, and configured to transmit and receive a signal or power to and from an external device 5, the cable being pulled out from inside to outside the body 101 through a body wall 102 an electric terminal portion 61 disposed at an end portion of the cable 43, which includes an electric contact 63 and is electrically connected to the external device 5 a cover body 60 which is configured to cover at least the electric contact 63 and to be adhered watertightly to the electric terminal portion 61 with a predetermined strength, the cover body being grasped when the cable 43 is pulled out from inside to outside the body 101 and an easy-peel portion 66 for detaching the cover body 60 from the electric terminal portion 61.
