Camera system for monitoring inside of body and auxiliary device and method for installing imaging apparatus for monitoring inside of body

A camera system for monitoring an inside of a body, comprising:

• a camera;
• a cable including a first end portion and a second end portion located opposite to the first end portion, the first end portion being connected to the camera and the second end portion including a first connector;
• a drawing auxiliary tool including:
• (i) a wire including a third end portion and a fourth end portion located opposite to the third end portion, and (ii) a second connector provided at the third end portion;
• and
• a second connector protection cap that protects the second connector, wherein
• the fourth end portion remains outside of the body;
• the third end portion is structured to be:
• inserted within the body through a first hole in the body,
• drawn out of the body through a second hole in the body so that the first connector is fixable to the second connector outside of the body,
• pulled from the fourth end portion so that the camera and the second end portion are guidable from the outside of the body toward the inside of the body through the second hole, and
• further pulled from the fourth end portion so that the second end portion is drawn out from the inside of the body toward the outside of the body through the first hole;
• the camera is operable to monitor the inside of the body;
• and
• the second connector protection cap includes a portion which has a shape that matches a shape of the first connector.