1930年,就有一些科学家提出用光学纤维来检驗腸胃。这就是把带有光学系統的纖維束伸入腸胃,通过纤維束把腸胃內部情况传出来。但是,直到1950年以后,才真正制成了这种胃鏡。常用的纤维鏡,一般都是用直徑几十微米的玻璃纤维組成,它的长度通常为1米左右。高质量的玻璃纖維所制成的纤维鏡可长达7米,組成纤维鏡的纤 In 1930, some scientists proposed using optical fibers to test the stomach. This is to insert the fiber bundle with the optical system into the stomach, through the fiber bundle to convey the internal conditions of the stomach. However, until 1950, this gastroscope was really made. The commonly used fiberscopes are generally composed of glass fibers having a diameter of several tens of micrometers, and its length is usually about 1 meter. Fiberscopes made of high quality fiberglass can be up to 7 meters in length and make up fiberglass fibers