Laryngeal mask

Details Laryngeal mask Laryngeal mask

2006-08-15

2006-08-15

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

C128S207140, C128S200260

Reexamination Certificate

active

07089943

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.

REFERENCES:
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patent: 5771889 (1998-06-01), Pagan
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patent: 6439232 (2002-08-01), Brain
patent: 6705322 (2004-03-01), Chang
patent: 6799574 (2004-10-01), Collins
patent: 2003/0192548 (2003-10-01), Chang

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