Nasopharyngeal airway with visual probe
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANJING FIRST HOSPITAL
- Publication Date
- 2020-05-08
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Abstract
Description
technical field
[0001] The invention relates to the technical field of medical devices, in particular to a nasopharyngeal airway with a visible probe. Background technique
[0002] The nasopharyngeal airway is a kind of artificial airway inserted into the pharynx through the nasal cavity. It is used to insert the pharyngeal cavity through the nasal cavity on one side to discharge the soft tissue of the pharynx cavity, achieve the purpose of upper respiratory tract ventilation, and relieve or relieve the patient's upper respiratory obstruction. smooth or obstructed. The nasopharyngeal airway is generally made of soft silicone or plastic material. It is a slightly curved cylindrical tube, similar to a non-balloon tracheal tube, but shorter, and the tube wall is thin and soft, with moderate hardness. The length varies with the inner diameter. Increase and increase; most of the existing nasopharyngeal airways are intubated by doctors based on experience. The insertion depth of ...