A medical apparatus includes a power unit (51) serving as a first connector portion, an insertion-section-side body (50) serving as a second connector portion having an electrical contact portion (59) which is to be connected to the power unit (51), a first wiper (101) serving as a removing member which removes moisture on the electrical contact portion (59) in a predetermined direction when the power unit (51) and the insertion-section-side body (50) are connected, and a second wiper (102) serving as a prevention member which prevents entrance of moisture from a direction which is different from the direction of moisture removal by the first wiper (101). Thereby, even if moisture adheres to the electrical contact portion, the moisture is removed in the process of connecting the connection section, there is no concern that the moisture that is removed adheres to the electrical contact portion again, and the reliability can be improved.