Laryngeal mask airways and their manufacture

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

1997-09-09

1999-02-16

Weiss, John G.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820126, 128911, 12820714, A61M 1600

Patent

active

058710124

ABSTRACT:
A laryngeal mask assembly has a mask portion formed by a flexible bag enclosing a mount attached to the patient end of a tube. The bag is sealed to the mount around an opening at the patient end of the tube. The neck of the bag is sealed to the tube rearwardly of an opening from a inflation lumen by which the bag can be inflated to form a cushion on the forward surface of the mount. The mount is curved rearwardly around its outer edge and the bag also inflates away from the rear surface of the mount to provide an expandable cushion on the rear of the mount.

REFERENCES:
patent: 5297547 (1994-03-01), Brain
patent: 5305743 (1994-04-01), Brain
patent: 5391248 (1995-02-01), Brain
patent: 5743258 (1998-04-01), Sato et al.

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