Laryngeal mask airways and their manufacture

Details Laryngeal mask airways and their manufacture Laryngeal mask airways and their manufacture

1997-10-23

1999-11-09

Weiss, John G.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820714, 12820026, A61M 1600

Patent

active

059794453

ABSTRACT:
A laryngeal mask assembly has a mask portion of elliptical shape formed by a mount and an inflatable member attached to the mount. The inflatable member is formed by heat bonding together opposite walls of a flat balloon and at the same time cutting an aperture through the walls, so as to form a central web within an outer inflatable ring. The central web is attached to a concave surface on the forward surface of the mount with the aperture in the web aligned with an opening in the mount.

REFERENCES:
patent: 4509514 (1985-04-01), Brain
patent: 4995388 (1991-02-01), Brain
patent: 5297547 (1994-03-01), Brain
patent: 5305743 (1994-04-01), Brain
patent: 5391248 (1995-02-01), Brain
patent: 5443063 (1995-08-01), Greenberg
patent: 5682880 (1997-11-01), Brain
patent: 5694929 (1997-12-01), Christopher
patent: 5771889 (1998-06-01), Pagan

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