Laryngeal mask
US7089943B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 2004 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Aug 10, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0409
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A laryngeal mask includes an inflatable ring which has an outer periphery, an inner periphery with a welded edge projecting inwardly therefrom, and two opposite first and second wall parts extending respectively from the welded edge to the outer periphery. A gas supply tube has an open end which is connected to the inflatable ring along the welded edge, and a peripheral connection part hermetically sealed to the welded edge. A forward guide tab projects forwardly from the peripheral connection part and extends over a portion of the first wall part. Preferably, the forward guide tab is formed integrally with the peripheral connection part and is welded to the portion of the first wall part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.