Multiple-cavity integrated laryngeal mask capable of being inserted by endoscope

Abstract

The invention discloses a multiple-cavity integrated laryngeal mask capable of being inserted by endoscope, relates to a cannula for the trachea, in particular to a laryngeal mask. The multiple-cavity integrated laryngeal mask has the advantages that the laryngeal mask can be used together with the endoscope, can reduce cannula damage and can be used conveniently. The multiple-cavity integrated laryngeal mask comprises a main tube (1), a mask bladder (2) is connected at the tail end of the main tube (1), an air through hole (21) is arranged on the mask bladder (2), a venting cavity channel (11) is arranged in the main tube (1), the venting cavity channel (11) is communicated with the vent hole (21), an endoscopic cavity channel (12) and an air discharging cavity channel (13) are arranged in the main tube (1), an endoscopic through hole (22) is arranged at the tail end of the mask bladder (2), the endoscopic cavity channel (12) is communicated with the endoscopic through hole (22), and the air discharging cavity channel (13) is communicated with a bladder cavity of the mask bladder (2).

Description

technical field [0001] The invention relates to an intubation tube for the trachea, in particular to a laryngeal mask. Background technique [0002] The laryngeal mask is a device that uses extraglottic ventilation invented by Brain in 1983 and first advocated. In order to improve the clinical application effect of the laryngeal mask, there are currently three types of laryngeal masks: the first is the standard laryngeal mask airway, which is also the most commonly used laryngeal mask airway in clinical practice. Its basic structure includes a cuff, a main tube and The inflatable tube for inflating the cuff generally has a ventilation cavity in the main tube, and a vent hole is provided on the cuff, the vent cavity is connected with the vent hole, and the inflatable tube is connected with the cuff, and the inflatable tube is used to drain the cuff first After the laryngeal mask is inserted into the larynx, a specified amount of air is injected into the cuff through the infl...

AI Technical Summary

Problems solved by technology

[0005] 2. In the existing laryngeal mask, the air tube and the main tube are generally separated, so that the insertion process of the laryngeal mask will be inconvenient, and at the same time, the separate air tube will easily cause certain damage to the mucous membrane;

[0006] 3. Similar to the problem in 2 above, if a laryngeal mask is combined with multiple functions, such as sputum suction, decompression, and drainage, then multiple pipes with different purposes are required for sputum suction, decompression, and drainage respectively. If the pipeline for the purpose does not form an integral structure, it not only hinders the insertion process, but also easily causes damage;

During intubation, when the cuff passes through the upper and lower jaws, the end of the cuff is easy to withstand the upper jaw, making it difficult to intubate. Usually, the doctor needs to use his hand to lift the cuff slightly into the mouth to assist intubation. The operation time is relatively short. It needs to be long, and it is inconvenient to intubate at the same time; when the front end of the cuff is against the palate, if the doctor intubates forcefully, it is easy to cause mucosal damage;

[0009] 6. At present, when using a drainage-type laryngeal mask to suck reflux from a patient, it is necessary to insert a gastric tube or suction tube into the esophagus. Causes reflux and aspiration, causing difficulty in ventilation, longer operation time, and damage to patients;

[0010] 7. At present, the general laryngeal mask is mainly used for airway ventilation, and there is no special endoscopic channel. Therefore, some patients who need endoscopic surgery cannot choose to use the laryngeal mask for surgery, but need to choose to ventilate through tracheal intubation Or cut the opening and insert the endoscope, which increases the patient's pain and damages;

[0011] 8. At present, the existing laryngeal masks that can be inserted into the endotracheal tube generally have no guiding structure at the position of the vent hole of the mask bag. When replacing the endotracheal tube, it is difficult to insert the endotracheal tube into the airway accurately, and the operation is inconvenient , and takes a long time to intubate

Images