Inflatable laryngeal mask airway for endoscopic diagnosis and treatment
US11439782B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2020 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Nov 21, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0434
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an inflatable laryngeal mask airway (LMA) for endoscopic diagnosis and treatment. The inflatable LMA for endoscopic diagnosis and treatment includes a cuff and an airway tube. The cuff is fixedly connected to the airway tube. The airway tube includes a ventilation airway, an endoscope channel and an inflation channel which are arranged in parallel. The ventilation inlet, the endoscope inlet and the inflation inlet are located at the end of the airway tube away from the cuff. The cuff includes a base body and an air bag connected to the base body. The inflation outlet is connected to the air bag. The endoscope outlet is connected to a lower surface of the base body and directed to the front side of the base body. The back surface of the endoscope channel is provided with an expansion port extending from the endoscope inlet to the endoscope outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.