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Arthroscopy was used in the treatment of 21 patients with disorders of the temporomandibular joint. Good results were attained: pain relief and cure in more than half of the patients. The method is recommended for wide clinical practice.

The paper briefly describes the purposes and technical data of rigid endoscopes with grading optic elements designed and produced by 3 small enterprises which have common aims and methods of their fulfillment. It also gives brief characteristics of Russian gradanes used as objectives and translators of optic image. The experience of cooperation of small enterprises shows that not only a very large-scale optic enterprise, but an amalgamation of small enterprises may solve such a difficult problem as design and serial production of thin rigid endoscopes due to cooperation of all those having a required scientific-and-technical potential.

The authors described personal experience performing 263 knee joint arthroscopies in military medical institutions. It allowed them to improve the diagnosis of joint diseases and lesions and to increase its accuracy up to 92%. Four levels of endoscopist's competence defining the accuracy of diagnostic and quality of surgical joint arthroscopy was distinguished. It was determined that knee arthroscopy in servicemen has a great importance in meniscus pathology to define the indications to arthrotomy and to choice rational surgical access. Thus, diagnostic accuracy is 88%. In the knee joint gunshot injuries it is reasonable to fulfil arthroscopy with medicative purpose to ablate intra-articular foreign bodies and also for sanitation and drainage of its cavity.