YY/T 0842-2011: Translated English of Chinese Standard. (YYT 0842-2011, YY/T0842-2011, YYT0842-2011): Medical endoscopes - Endoscope accessories - Sheaths
https://www.chinesestandard.net, 2016/04/30 - 10 ページ
This Standard specifies the requirements and test methods of sheaths. This Standard applies to sheaths for the insertion of medical endoscopes.
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accordance with conventional and/or air-passing connectors and/or air-passing ducts and/or air-passing functions applicable Biological compatibility Biological evaluation biological tests cannula Chemical composition composition of metal conditions Room temperature connecting portion contact with patients corrosion resistance Endoscope accessories endoscopes or endotherapy endoscopes or scope endotherapy devices Environmental conditions Room exempted from repetition full insertion GB/T hand-touch High-pressure and high-temperature high-temperature resistance indirectly contact insertion portion width inspection Lock-up and insertion-disassembly locking device main channel width manufacturer Materials that directly maximum insertion portion measuring tools mechanical axis Medical Device Medical endoscopes meet the requirements metal materials Minimum main channel minimum reading mounts or obturators obturators shall meet Optical Instruments Outer surface quality quality of insertion reading of measuring reference documents relevant standards scope mounts sheath end sheath has water-passing sheaths and endoscopes specification stainless steel Terms and definitions Test methods tested according VERIFY by visual water-passing and/or air-passing weld YY/T