Methods of making laryngeal masks
US7357845B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2003 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Oct 4, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/753
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of making a laryngeal airway of the type that includes a respiratory tube and an inflatable positioning shield having a base and an inflatable, hollow peripheral portion is described herein. The method includes introducing at least one molding material into a mold, wherein the mold has a cavity defined by internal walls, wherein the internal walls conform to external walls of the laryngeal mask, and wherein the mold has a core within its cavity that is adapted to form the hollow portions of the laryngeal airway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.