[The arthroscopic surgery of the shoulder. A topological and clinical study].

A topological study was made of the structure about the acromion using cadavers. Clinical application of arthroscopic surgery: A total of 110 patients underwent operation by my newly devised arthroscopic procedure. Through anatomical studies and the development and clinical trials of auxiliary devices (Step Cannulation System and Acromion Gauge) a safer and more reliable procedure of arthroscopic surgery for impingement syndrome was esablished. A therapeutic plan, involving arthroscopic surgery, for sports-related labral injury was established. Labral injuries were classified into 3 types. procedures of arthroscopic surgery suited for individual types were developed and aftertherapy was carried out on my own program, and all patients returned to sporting activities. Arthroscopic surgery for rotator cuff tear and rheumatoid disease of shoulder was established.