Built-in endotracheal catheter laryngeal mask united ventilatory device for general anaesthesia

Abstract

The invention discloses a built-in endotracheal catheter laryngeal mask united ventilatory device for general anaesthesia, and belongs to the field of medical apparatuses. The built-in endotracheal catheter laryngeal mask united ventilatory device comprises an outer catheter, wherein a laryngeal mask sac is fixedly arranged on the catheter wall on one side of the outer catheter; the catheter end on one side of the outer catheter is fixed on the inner wall of a plane of the laryngeal mask sac; an air guiding pipe is fixedly arranged on the side wall of a curved surface of the laryngeal mask sac; an air sac is arranged at the end of the air guiding pipe; a one-way air inlet valve is fixedly arranged on the outer wall of the air sac; a control valve is fixedly arranged at one end close to theair sac, of the air guiding pipe; a rubber tightening hole is fixedly formed in the side wall of the plane of the laryngeal mask sac; a swivel sleeve is fixedly arranged at the catheter end on the other side of the outer catheter; and an endotracheal catheter and a phlegm eliminating catheter are arranged in an inner cavity of the outer catheter. According to the built-in endotracheal catheter laryngeal mask united ventilatory device disclosed by the invention, the situation that a great deal of phlegm can block support gas to enter the body of a patient is avoided, ventilatory disorder is reduced, and the ventilatory effect is improved; and besides, the endotracheal catheter or the phlegm eliminating catheter can be expanded and contracted into the laryngeal mask sac, so that the problemof laryngeal mask displacement generated when the patient is under different body positions or the body position is changed in the surgery is solved, and the practicality of the built-in endotrachealcatheter laryngeal mask united ventilatory device is improved.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a built-in tracheal tube laryngeal mask combined ventilation device for general anesthesia. Background technique [0002] When performing general anesthesia surgery, it is necessary to provide assisted breathing for the patient to maintain the hemodynamic stability of the patient under general anesthesia. However, the current endotracheal tube and laryngeal mask breathing device are independent auxiliary breathing devices, and it is very inconvenient to replace each other. In addition, the old-style laryngeal mask is easy to shift and cause air leakage due to the different positions or changes of the patient's position during the operation, which makes the operation unpredictable and unfavorable. [0003] At present, the Chinese patent application number CN201210489936.6 discloses a built-in laryngeal mask tube laryngeal mask combined ventilation device for general anesthesia, incl...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a built-in endotracheal tube laryngeal mask united ventilation device for general anesthesia, to solve the above-mentioned background technology that is not suitable for patients with a large amount of sputum in the airway, and a large amount of sputum will hinder the feeding gas from entering the patient's body. Increase the ventilation barrier, thereby reducing the ventilation effect, which may bring certain dangerous problems to the patient

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