Positioning sputum suction laryngeal mask
US11975146B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2019 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Jun 4, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/1032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a positioning sputum suction laryngeal mask. The positioning sputum suction laryngeal mask comprises a mask body and a mask body tube, wherein the mask body comprises a mask body bottom plate and a mask main body arranged on the mask body bottom plate, a central region in the mask main body is provided with a mask body cavity communicated with the mask body tube, a stomach decompression tube corresponding to the stomach mouth is arranged on the back side of the mask body bottom plate, and the stomach decompression tube is isolated from the mask body cavity through the mask body bottom plate. The positioning sputum suction laryngeal mask also comprises a connection suction mechanism capable of realizing negative pressure suction in a gas supply process. The connection suction mechanism comprises a suction connecting tube which is arranged in the mask body bottom plate, and the end, located in the mask body bottom plate, of the suction connecting tube is communicated with the stomach decompression tube. The positioning sputum suction laryngeal mask can be effectively positioned, has lower complexity and usage costs, can ensure the ventilation and sealing effe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.