1, automatic gastric lavage machine by pressure pump (pump), the control line, the control circuit, chassis and other components; 2, gastric lavage machine uses two pumps into the stomach and the stomach to realize, with gastric lavage fast, thorough gastric lavage, Simple, convenient, safe and reliable when used; 3, touch buttons, and manual and automatic lavage lavage in two ways: automatic gastric lavage, built-in time is adjustable, manual gastric lavage, time human grasp ; 4, the absolute pressure in the range 47kPa ~ 67kPa; 5, the working environment: temperature: + 5 ℃ ~ + 40 ℃, relative humidity: 25 ℃ not more than 80%, atmospheric pressure: 86KPa ~ 106KPa; 6, gastric lavage machine according to the type and degree of protection against electric shock is classified as Class Ⅰ equipment Part B applications, the operating mode for continuous operation, IPX0, non-AP or APG-general type equipment; 7, the products meet GB9706.1, YY0505 requirements. Specifications: 1, Power: AC220V ± 22V, 50Hz ± 1Hz; 2, input power: ≤140VA; 3, working noise: ≤65dB (A); 4, controlled impulse fluid volume: ≤350ml / times, controlled pipetting volume : ≤450ml / times; 5, controlled pipetting liquid is greater than the amount of self-control impulse 50 ~ 150ml / times; 6, flow: ≥2L / min; 7, self-control and out of the stomach time: ≤30s / times.