Patent ID: 8721729
Filing Date: 2014-05-13
Classification: A61F

Abstract:
1. A connecting device of joint prosthesis, comprising: a stem means for being inserted into a medullary cavity of a bone; a receiving means for receiving a bone structure near the bone, the receiving means having a receiving bore; an offset connecting means connected between the stem means and the receiving means, the offset connecting means including a first connecting component and a second connecting component, the first connecting component having an inserting bore and a column body that extends toward the receiving means and is received by the receiving bore, the second connecting component having an inserting recess and an engaging bump, and the engaging bump extending from left upper side to right upper side on an side surface facing toward the receiving means, wherein the column body is provided on a side facing toward the receiving means in a position with an offset distance from the middle of the side facing toward the receiving means, and the engaging bump is slide within an engaging groove of the first connecting component either from the left upper side of the engaging bump or from the right upper side of the engaging bump; and an inserting member inserting into the inserting bore and the inserting recess to make the first connecting component being fixed and positioned at the second connecting component, wherein when the inserting member passes through the inserting bore to insert into the inserting recess in a direction perpendicular to the extending direction of the column body, the inserting recess is extended in a direction parallel to the insertion direction of the inserting member, wherein when the inserting member passes through the inserting bore to insert into the inserting recess in a direction parallel to the extending direction of the column body, the inserting recess is a plural inserting holes that are extended in a direction parallel to the insertion direction of the inserting member.