Laryngeal mask and method for making the same

Details Laryngeal mask and method for making the same Laryngeal mask and method for making the same

2007-04-04

2010-06-29

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

C128S207140

Reexamination Certificate

active

07743769

ABSTRACT:
A laryngeal mask including a dome and an airway tube extending from a proximal passage through the dome. The dome has a periphery about its base including at least one receptacle. An inflatable cuff of flexible material has a first longitudinal edge and a second longitudinal edge. The longitudinal edges are joined to form a tube forming the cuff. The cuff substantially encircles the periphery of the dome. The mask has at least one buttress adjacent to the periphery at a distal portion of the dome. The tube is fused adjacent the buttress of the dome, and the fusing is below a posterior surface of the dome wherein, upon deflation of the cuff, the buttress upturns the cuff to facilitate insertion of the laryngeal mask into a patient.

REFERENCES:
patent: 5297547 (1994-03-01), Brain
patent: 6604525 (2003-08-01), Pagan

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