Tubular member for living body
专利汇可以提供Tubular member for living body专利检索，专利查询，专利分析的服务。并且PURPOSE: To kill the malignant tumor by inserting or retaining a tubular member body provided with a semiconductor material having a photocatalyst effect into a living body and projecting light from the inner side of the tubular member body toward the semiconductor material.
CONSTITUTION: The tubular member body 2 as gullet prosthesis is formed of a transparent member, such as silicone, to a cylindrical shape and the front end part 3 is formed to have a large thickness. In addition, the front end part is converged to allow the easy insertion into the gullet of a living body and a step part 4 is formed at the root end to allow the easy detention in the gullet of the living body. Further, a terminal part 5 is expanded to a tapered shape to have an increasingly larger diameter toward the terminal to facilitate the insertion of an endoscope 10. Semiconductor electrode layers 6 as the semiconductor material having the photocatalyst effect are provided at plural points in the intermediate part. The semiconductor electrode layers 6 are formed by spraying and sticking TiO
2 in the form of a band to the outer peripheral surface of the tubular member body 2. An oxidation reaction takes place on the semiconductor electrode layers 6 when cast with illuminating light. The malignant tumor 7 generated in the gullet section 8 is then killed by the photocatalyst effect.
COPYRIGHT: (C)1991,JPO&Japio，下面是Tubular member for living body专利的具体信息内容。
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