Anti-suffocation pharyngeal catheter device and application thereof

Abstract

The invention discloses an anti-suffocation pharyngeal catheter device and application thereof. The anti-suffocation pharyngeal catheter device structurally comprises a nasopharyngeal airway and an expander, wherein the nasopharyngeal airway is made of a medical silicone material capable of being bent freely; the expander is arranged in the portion, close to the rear end, of the nasopharyngeal airway; and the length of the nasopharyngeal airway can allow the nasopharyngeal airway to penetrate into the human pharynx from the nostrils. The dilator plays a role in supporting and prevents the pharyngeal polyp from collapsing to extrude the nasopharyngeal airway to reduce or close the nasopharyngeal airway channel. The device can be inserted into the pharynx from the nostrils before the generalanesthesia operation of a patient, even if the polyp of the pharynx collapses during the operation of the patient, the patient can breathe smoothly due to the support of the expander, and the operation risk and trauma of tube cutting are avoided.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an anti-suffocation pharyngeal catheter device and its application. Background technique [0002] The upper airway of adults is the pharyngeal cavity, and its front and side walls are not supported by bony tissue. It is kept open by muscle tension on the pharyngeal cavity wall. When the patient is under anesthesia, the pharyngeal cavity can be narrowed to varying degrees due to muscle relaxation and the tongue falling backward. If the pharyngeal cavity is significantly narrowed, a hypopneic state is produced during inspiration due to rapid airflow through the uvula, tongue base, and epiglottis. When the muscles of the pharyngeal wall lose their tension completely, the pharyngeal polyps collapse, and the tongue completely falls back, forming a complete obstruction of the upper airway, that is, the collapse causes apnea syndrome, leading to apnea and suffocation. Intubati...

AI Technical Summary

Problems solved by technology

When the muscles of the pharyngeal wall completely lose their tension, the pharyngeal polyps collapse, and the tongue completely falls back, forming a complete obstruction of the upper airway, that is, the collapse causes apnea syndrome, leading to apnea and suffocation. Intubation; but when the patient is under general anesthesia, the accumulation of pharyngeal polyps will make it impossible to complete the intubation work. In this case, the trachea can only be cut to ensure smooth breathing. trauma and financial burden

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