PROBLEM TO BE SOLVED: To provide an instrument for treating a wound part which can be handled easily without consuming time and effort to seat on the wound part and which is not a burden on a patient by shortening treatment time.SOLUTION: An instrument 10 for treating a wound part includes: a connection connector 24 a tube 26(a) for sucking from the wound part a tube 26(b) for supplying to the wound part a cover sheet 30 and a coupling connector 56. The connection connector 24 includes a side face and a top face, and the side face includes two recesses 38(a) and 38(b). On the recess 38(a), a sucking side face connection port (side face connection port) 12(a) and a pressure measurement port are equipped. On the recess 38(b), a supplying side face connection port (side face connection port) 12(b) and a pressure measurement port are equipped.
