YY 0843-2011: Translated English of Chinese Standard. YY0843-2011: Medical endoscopes - Endoscope supply units - Insufflators
This Standard specifies the requirements and test methods of carbon dioxide insufflators for medical endoscope. This Standard applies to the carbon dioxide insufflators that is used in the endoscopic surgery. The product is used to establish and maintain the pneumoperitoneum in minimally invasive endoscopic surgery.
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2mmHg 5mmHg actual air-pressure actual flow Adjust the setting adjustment range’s highest aeroperitoneum at simulative aeroperitoneum pipe air-pressure display Air-pressure gauge air-pressure presetting air-pressure within simulative average value carbon dioxide Connecting pipe Determination of accuracy Device displayed air consumption equipped with gas establishing aeroperitoneum expressed as Pr1 expressed as tg filter and aeroperitoneum flow display flow gauge flow is 10L/min flow of insufflators gas filter insufflator is adjustable insufflators are connected manufacturer shall provide maximum value measure the actual Measurement procedure Set median value nominal value overpressure alarm function overpressure release function Particle counter pipe during test pipe for measurement Preparatory provide the nominal range of setting range’s highest value representation The deviation result shall indicate Results representation set its setting Set the setting setting air-pressure setting flow simulative abdominal cavity system under test Take the average test point Under-pressure supplementary unit that complied ventilation capacity ventilation pore