Laryngeal mask

Details Laryngeal mask Laryngeal mask

2011-08-16

2011-08-16

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

Reexamination Certificate

active

07997274

ABSTRACT:
A device for maintaining an airway in a patient. This device includes a mask having a resilient conformable peripheral portion that is shaped such that the mask forms a seal with the larynx when the mask is positioned in the laryngo pharynx to thereby prevent ingress of extraneous fluids into the larynx. The peripheral portion of the mask define at least one cavity for providing fluid communication to the esophagus when the mask is inserted into the laryngo pharynx. An airway tube is connected to or formed with the mask for passing gas to the larynx when the mask is properly inserted into the laryngo pharynx. The airway tube preferably is curved as it leaves the mask.

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