Patent ID: 6050530
Filing Date: 2000-04-18
Classification: A61B,F16M,G02B

Abstract:
A medical stand apparatus that includes an automatic balancing mechanism, the medical stand apparatus comprising:a mount base having a center pivot;a retaining link mechanism, the retaining link mechanism comprising: a first parallel link assembly and a second parallel link assembly cooperating with each other, and the retaining link mechanism being mounted to the center pivot of the mount base by a vertical slide mechanism for vertical movement of the retaining link mechanism;a jib arm extending away from the first parallel link assembly, the jib arm having a distal end that extends away from the first parallel link assembly;a medical optical device and/or its auxiliary devices mounted to the distal end of the jib arm; anda counterweight provided via a horizontal slide mechanism to a part of the second parallel link assembly in a horizontally moveable manner;wherein the vertical movement of the retaining link mechanism and the horizontal movement of the counterweight are interlockedly driven by a drive mechanism so as to maintain balance between the counterweight and the weight of the medical optical device and/or its auxiliary devices.