Special negative pressure drainage device for thyroid surgery
A negative pressure drainage and thyroid technology, which is applied in the direction of suction devices, drug devices, and other medical devices, can solve the problems of slow drainage speed and inability to extract patient exudate, and achieve the effect of increasing drainage speed
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[0023] see Figure 1-5 The present invention provides a technical solution: a special negative pressure drainage device for thyroid surgery, comprising a drainage tube 1 2, a drainage tube 2 3 and a negative pressure device 1, the drainage tube 1 2 is connected with the outer wall of the drainage tube 2 3, The two drainage tubes are connected together to improve the drainage efficiency, and the bottom of the drainage tube 1 2 and the drainage tube 2 3 are provided with openings, and the silicone anti-reflux sheet 1 17 is arranged in the openings to prevent the backflow of fluid in the patient's body. The tops of the drainage tube 1 2 and the drainage tube 2 3 are communicated with the inner cavity of the horizontal tube 1 5, and a silicone anti-reflux sheet 2 19 is arranged in the middle of the inner cavity of the lateral tube 1 5. The silicone anti-reflux sheet 2 19 is used for When one of the drainage tubes is blocked, the horizontal tube-5 is opened when the pressure on the...
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