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由于社会的老龄化和饮食的西洋化,日本的心血管疾病急剧增加。曾对消化和呼吸系统发挥很大作用的玻璃光导纤维内镜,现在也将能应用于心血管,最大的问题是玻璃纤维的粗细问题,以往最细的直径也有1.7～1.8mm,这要通过心脏的冠状动脉那样的细血管是很难的。即使通过了,由于血液在血管内的流动,也很难直接看清。不久前日本医用电子仪器厂的福田电子公司开发了将直径0.75mm 的纤维导管插入血管内,就可以在监视器上显示出画面进行综合诊断和治疗的血管内窥
Due to the aging of society and the westernization of diet, the cardiovascular disease in Japan has dramatically increased. The glass optical fiber endoscope, which played a large role in digestion and respiratory system, will now also be applied to the cardiovascular system. The biggest problem is the thickness of the glass fiber. In the past, the finest diameter was 1.7 to 1.8 mm, The blood vessels of the heart’s coronary arteries are hard. Even if passed, due to the blood flow in the bloodstream, it is difficult to see directly. Not long ago, Fukuda Electronics Co., Ltd., a Japanese medical electronic instrument factory, developed a vascular glimpse of inserting a 0.75mm-diameter fiber catheter into a blood vessel to display a picture for comprehensive diagnosis and treatment on a monitor