Drainage device special for thoracic surgery department

Abstract

The invention discloses a drainage device special for the thoracic surgery department. The device comprises a drainage tube and a negative-pressure instrument, a silica gel liquid suction head is arranged at the front end of the drainage tube, and a plurality of liquid suction holes are formed in the silica gel liquid suction head; the negative-pressure instrument is connected with the back end ofthe drainage tube, a hemispherical protrusion is arranged in the middle of the drainage tube, and a liquid outlet is formed in the portion between the hemispherical protrusion and the drainage tube;a connection flange is arranged on the outer side of the liquid outlet, a liquid connection bag is communicated with the connection flange through a connection tube, and a first one-way valve is arranged in an inner cavity of a connection tube; a liquid inlet is further formed in the outer wall of the drainage tube, a disinfectant storage tank which is arranged on the outer wall of the negative-pressure instrument is communicated with the liquid inlet through a liquid outlet tube, and a second one-way valve is arranged on the liquid outlet tube. The drainage device special for the thoracic surgery department is simple in structure and principle, drainage on accumulated liquid of the thoracic cavity can be achieved, meanwhile, the drainage tube can also be quickly washed and sterilized, thedrainage tube does not need to be disassembled to be cleaned, and the working intensity of medical personnel is reduced.

Description

Technical field [0001] The invention relates to the technical field of drainage devices, in particular to a special drainage device for thoracic surgery. Background technique [0002] In the process of thoracic surgery diagnosis, treatment or operation, patients often encounter excessive pleural effusion caused by various reasons, and it is necessary to drain the patient's chest with negative pressure. [0003] Chinese Patent No. "201620855468.3" discloses a drainage device for thoracic surgery. Its advantages are: it is very convenient to continuously drain the patient's effusion, and the work efficiency is high. The disadvantage is that the drainage tube needs to be performed after the drainage is completed. For cleaning, the drainage tube needs to be removed and cleaned every time it is cleaned, which is very troublesome. In addition, the drainage device does not have the anti-reflux effect. Summary of the invention [0004] The purpose of the present invention is to provide a s...

AI Technical Summary

Problems solved by technology

[0003] Chinese Patent No. "201620855468.3" discloses a drainage device for thoracic surgery. Its advantages are: it is very convenient to continuously extract the patient's effusion, and the work efficiency is high. The disadvantage is that after the drainage is completed, the drainage tube needs to be drained Cleaning, and every time you clean, you need to remove the drainage tube for cleaning, which is very troublesome. In addition, the drainage device does not have the anti-reflux effect

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