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由上海医用光学仪器厂研制成功的XS-4型前视式上消化道细径纤维光学内窥镜在上海通过鉴定。在鉴定会上宣读的使用报告表明,这具新型内窥镜的某些性能指标已经赶上了国外同类产品的指标,它的研制成功,填补了我国上消化道内镜窥的一项空白。XS-4型内窥镜的传像束采用六角蜂窝状排列,成像清晰,断丝率低。头端部实现了全塑化,进一步保证了电凝手术的安全性。经过改进的弯角机构,可使头端作向上180°、向下90°、左右各120°的弯曲,最大弯曲度可
The XS-4 foresighted upper gastrointestinal minor fiber optic endoscope developed by Shanghai Medical Optical Instrument Factory passed the appraisal in Shanghai. The use report read out at the appraisal meeting showed that some of the performance indicators of this new endoscope have caught up with the targets of similar foreign products and its successful development has filled a gap in our country’s upper gastrointestinal endoscopy. XS-4 endoscope image beam beam hexagonal arrangement, imaging clear, broken wire rate is low. The end of the head to achieve full plasticization, to further ensure the safety of coagulation surgery. After the improved corner mechanism, the head can be made up 180 °, down 90 °, about 120 ° left and right bending, the maximum curvature can be