Negative pressure drainage device for parotid gland

• Main Authors: BAI YALAN, SONG RUI, MAO AIMEI, ZHAO RUIQIAN
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model designs a parotid gland negative pressure drainage device which comprises a drainage tube, a negative pressure tube and a fixing band, one end of the drainage tube is arranged at the upper end of the negative pressure tube and communicated with the negative pressure tube, the tail end of the drainage tube is provided with a Luer taper, and a piston knob is arranged at the bottom end of the negative pressure tube and comprises a knob shell, a piston, a connecting rod, a first limiting piece and a second limiting piece. The knob shell is in threaded connection with the bottom end of the negative pressure pipe, and the fixing belt is fixed to the outer wall of the negative pressure pipe. The device is suitable for parotid gland surgery patients, is small in size, can be conveniently connected to the cheek to reduce the load of the patients, can be fixed to the arms of the patients through the fixing bands, is convenient for the patients to carry, and can avoid the risk of tube separation. The p