Bronchial catheter with single cavity and double sacs

Abstract

The invention relates to a bronchial catheter with a single cavity and double sacs, comprising a single-cavity catheter, a catheter interface, a breathing loop adapter (including a bronchofiberscope inlet, an inlet cap, a sampling tube and a breathing loop interface), a drainage tube interface, a drainage tube interface cap, a drainage tube, a trachea air sac inflation tube, a trachea air sac air valve, a trachea air sac, a bronchial air sac inflation tube, a bronchial air sac air valve, a bronchial air sac, an affected side blocking segment, a drainage tube opening, a bronchial catheter opening, a carina pothook and a single-side indicatrix. The invention has the advantages that the pipe diameter of the bronchial catheter is approach to that of a common bronchial catheter with a single cavity, the catheter is convenient to replace and is not easy to damage; a remote end arc-shaped structure has a guiding function and is convenient to locate; single or double lungs are regulated to aerate through the inflation and the deflation of the air sacs, which is simple, convenient and flexible; the double sacs are good in structure fixation, are not easy to move and have high safety; the drainage tube can assist in draining, exhausting and repeatedly expanding of the side lung of a patient and ensure the aerating effect, and the near end of the drainage tube can be sealed; and the bronchial catheter can ensure safe operation and is simple and convenient to operate.

Description

technical field [0001] The invention relates to a single-cavity double-bag bronchial catheter suitable for clinical intratracheal anesthesia requiring one-lung ventilation throughout or part of the operation. Background technique [0002] At present, there are several types of endotracheal tubes commonly used in clinical practice that can establish one-lung ventilation, but all of them have unsatisfactory aspects. For example, the most commonly used double-lumen bronchial catheter for one-lung ventilation at present, its intubation technique and intraoperative management are relatively complicated, and improper mastery can easily lead to hypoxemia. Respiratory tract injury, and difficult positioning of the separation of the two lungs. In addition, because the inner diameter of the catheter is too thin, the airway resistance is high, and there are few models to choose from, it is often limited in clinical application; the bronchial obstruction catheter introduced in recent ye...

AI Technical Summary

Problems solved by technology

[0002] At present, there are several types of endotracheal tubes commonly used in clinical practice that can establish one-lung ventilation, but all of them have unsatisfactory aspects.

For example, the most commonly used double-lumen bronchial catheter for one-lung ventilation at present, its intubation technique and intraoperative management are relatively complicated, and improper mastery can easily lead to hypoxemia. Respiratory tract injury, and difficult positioning of the separation of the two lungs. In addition, because the inner diameter of the catheter is too thin, the airway resistance is high, and there are few models to choose from, it is often limited in clinical application; the bronchial obstruction catheter introduced in recent years Although it basically solves the difficult problem of tube placement, its price is too high and it is not suitable for clinical promotion. At the same time, the tube placement process is complicated and generally needs to be placed under direct vision of a fiberoptic bronchoscope. Most bronchial obstruction tubes are inserted blindly. Since there is no fiberoptic bronchoscope guidance, the length of the inserted bronchial obstruction tube needs to be estimated. The operation process is complicated, and when the surgeon pulls the lung during the operation, the bronchial obstruction tube will be displaced. When encountering the problem of pulmonary obstruction and insufficiency, to solve this problem, it is necessary to move the position of the bronchial obstruction tube, choose an appropriate catheter or connect negative pressure suction, etc., and the lumen of the bronchial obstruction tube is small, so it is difficult to suck sputum. When it is thick and thin, it can be used for continuous negative pressure suction. If the sputum is thick or blood clots are difficult to suck out, it needs to be dredged with a guide wire before suctioning. At present, there is no real convenient and accurate operation, smooth drainage, and An ideal single-lung ventilation catheter with the advantages of flexible switching between single-lung and double-lung ventilation

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