Combined double-lumen bronchial catheter

Abstract

The invention provides a combined double-lumen bronchial catheter, and relates to the technical field of medical devices. The combined double-lumen bronchial catheter comprises a main pipe, wherein the main pipe is connected with an auxiliary catheter which can move up and down relative to the main pipe, a main pipe cuff is connected with the main pipe near the lower end, the auxiliary catheter isconnected with the auxiliary catheter cuff near the lower end, and the diameter of the main pipe is 5-7mm, the diameter of the auxiliary duct is 3-5mm, and that inn wall of the main and auxiliary conduits are connected with a bending-resistant layer of the main conduit. The bending-resistant layer of the main conduit is connected with the inner wall of the auxiliary conduit. The invention solvesthe technical problem that the conventional double-lumen tube is very difficult to be inserted into some special patients through the conventional oral route in the prior art, and not only has great damage to the patients, but also has high failure rate. The invention has the advantages that two single-lumen bronchial tubes with different diameters can be inserted into the target bronchus respectively, the combined structure and position of the double-lumen tubes can be flexibly adjusted according to the airway conditions of the patient, and the intubation and positioning technology of the traditional double-lumen tubes are simplified. Anti-bending catheter, always keep unobstructed in use, safe and convenient to use, the patient's airway injury is more slight.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a surgical auxiliary device structure for lung isolation and one-lung ventilation technology. Background technique [0002] One-lung ventilation refers to a method or means in which patients undergoing thoracic surgery are ventilated using only the non-operated lung through a special tracheal tube. There are currently three single-lung ventilation techniques: placement of a double-lumen endotracheal tube; use of a single-lumen endotracheal tube combined with a bronchial occluder; and placement of a traditional endotracheal tube into one main bronchi. Among them, the double-lumen endotracheal tube is the most widely used. Chinese patent application publication number CN108187206A, the application publication date is June 22, 2018, and the invention application titled "a double-lumen bronchial catheter and its control method" discloses a double-lumen bronchial catheter str...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems in the prior art that it is very difficult to insert a traditional double-lumen tube through the oral route for some special patients, it not only causes great damage to the patient, but also has a high failure rate. Meet the technical requirements of complete lung isolation, facilitate the rapid shrinkage and expansion of the surgical side lung, suction the surgical side bronchus at any time, and apply CPAP ventilation, etc. The purpose of single-lung ventilation is simple and convenient operation with less damage

Images