低温工学
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
細径・長尺クライオプローブにおける断熱特性と非定常冷却特性
鈴木 和弥相原 利雄
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1993 年 28 巻 9 号 p. 511-518

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A novel flexible, long slender cryoprobe with avacuum insulation layer of outermost diameter 3.1mm and length 1m has been developed for cryosurgery by freezing rapidly a target tissue with liquid nitrogen and by necrosing it. This cryoprobe enables us to perform cryosurgical treatment by inserting it into the channel for vivisectional inspection forceps which is installed within a commercial endoscope, in order to remove polyps or malignancies or cancers formed on the gullet and stomach. The present report describes in detail the thermal insulation characteristics of the slender probe body and its transient cooling performance and gives the design and operation guide to practical use.

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