Laryngeal mask with large-bore gastric drainage

Details Laryngeal mask with large-bore gastric drainage Laryngeal mask with large-bore gastric drainage

2006-02-28

2006-02-28

Mitchell, Teena (Department: 3743)

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

C128S207150, C604S096010

Reexamination Certificate

active

07004169

ABSTRACT:
An artificial airway device for use in unconscious patients comprises a laryngo-pharyngeal mask including an expandable masking ring. The expandable mask sealingly surrounds the laryngeal inlet when expanded to obstruct communication between the laryngeal inlet and oesophagus. One or more airway tubes connected to the mask provide for fluid flow to a portion of the mask facing the laryngeal inlet when said mask sealingly surrounds the laryngeal inlet. A gastro-tube connected to the mask provides a fluid flow-path to the mask when the mask sealingly surrounds the laryngeal inlet. The distal end of the gastro tube passes through the masking ring at its narrower distal region where, when installed in a patient, it abuts against the oesophagus; and the distal portion of the gastro-tube flattens when the mask is deflated to facilitate smooth passage behind the larynx during insertion through the mouth and throat of the patient.

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