Anti-reflux and anti-clogging drainage device with large suction volume
An anti-backflow and anti-clogging technology, applied in the direction of suction devices, etc., can solve the problems of not being able to smoothly suck out the patient's effusion, destroying the airtightness of the drainage system, and repeated extraction times, so as to improve the level of medical care, good drainage effect, The effect of high added value and competitive advantage
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] The accompanying drawing is an embodiment disclosed by the invention. The anti-backflow and anti-blockage drainage device of the present invention consists of a liquid inlet valve body 1, a liquid inlet valve core 2, a liquid inlet valve spring 3, an upper valve cover 4, a syringe piston 5, a piston rod 6, and a liquid discharge valve. Body 7, liquid discharge valve core 8, liquid discharge valve spring 9, lower valve cover 10, liquid inlet pipe 11, liquid discharge pipe 13 and so on. The key points of its structure are: the liquid inlet valve body 1 is provided with a liquid inlet valve core 2 that only allows body fluid to flow downward, the jack of the liquid inlet pipe 11 is located at the upper left of the liquid inlet valve body 1; There is a discharge valve core 8 that only allows body fluid to flow to the left. The jack of the...
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