Flexible mechanism
Disclosed is a flexible mechanism including: a backbone extending in a lengthwise direction thereof; a first steering wire group including one or more steering wires disposed in a spiral direction of a first direction along the lengthwise direction of the backbone and configured to transfer a handling force applied to ends thereof to an end effector; and a second steering wire group including one or more steering wires disposed in a spiral direction of a second direction, which is different from the first direction, along the lengthwise direction of the backbone and configured to transfer a handling force applied to ends thereof to the end effector.