Patent ID: 8142349
Filing Date: 2012-03-27
Classification: A61B,F16B

Abstract:
1. A connection mechanism, comprising: a shaft member; a rotatable member formed with a connection hole in which the shaft member is rotatably fitted at a distal end portion of the shaft member; a thrust stopper arranged at the distal end of the shaft member to prevent the rotatable member from being removed from the shaft member, wherein the shaft member has an outer-screw at the distal end portion thereof, the thrust stopper having an inner-screw opening extending along an axial direction of the thrust stopper, the outer-screw of the distal end portion of the shaft member engaging with the inner-screw opening, and wherein the thrust stopper has a through opening formed with an inner-screw; and a fixing screw configured to engage with the inner-screw of the through opening, the fixing screw inserted in the through opening and engaged with the inner-screw engaging with the distal end portion of shaft member to secure fixation between the thrust stopper and the shaft member.