Abstract: The artificial joint of the present invention is provided with a cup having a first housing part that opens on one first-direction side, an insert that is housed in the first housing part and has a second housing part that opens on one first-direction side, a movable member having a spherical head part rotatably housed in the second housing part and a neck part extending from the head part, and a connecting part that connects the insert to the cup pivotably around a pivotal axis extending in a second direction; the neck part contacting an edge part of the insert by pivoting around the pivotal axis; the insert pivoting around the pivotal axis; and part of the opposite side of the side pushed in by the neck part across the pivotal axis protruding from the cup to one first-direction side.

Abstract: The artificial joint of the present invention is provided with a cup having a first housing part that opens on one first-direction side, an insert that is housed in the first housing part and has a second housing part that opens on one first-direction side, a movable member having a spherical head part rotatably housed in the second housing part and a neck part extending from the head part, and a connecting part that connects the insert to the cup pivotably around a pivotal axis extending in a second direction; the neck part contacting an edge part of the insert by pivoting around the pivotal axis; the insert pivoting around the pivotal axis; and part of the opposite side of the side pushed in by the neck part across the pivotal axis protruding from the cup to one first-direction side.