Abstract Summary
During the arthroscopic operation, an assistant is often required to assist the surgeon to hold the arthroscope. Hand tremor of the assistant and the cooperation of the passive movement will affect the arthroscopic field image and affect the judgment and efficiency of the surgery. In this study, a passive gravity compensation holder that can replace the assistant was designed. Using the holder, the mounted arthroscope can be adjusted through a seven-degree-of-freedom mechanism stably and easily locked through an electromagnetic brake system. In particular, a gravity compensation system was designed to balance the gravitational moments, allowing surgeons to operate smoothly, and prevent the holder from falling. Integration of the both systems may improve the quality of arthroscopic images and reduce the risk in arthroscopic surgery.
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