Patent ID: 7784464
Filing Date: 2010-08-31
Classification: A61M

Abstract:
1. A method of constructing a laryngeal mask airway; the method comprising providing a respiratory tube having a distal and a proximal end; blow-molding a shield, said shield formed as a single unitary piece comprising an inflatable outer ring formed of a single layer of material and a posterior base formed of at least a double layer of the same material, wherein the at least a double layer of the posterior base is formed by pushing together two opposing surfaces of the blow-molded shield; providing an inflation tube having a distal and a proximal end; assembling said airway by inserting said respiratory tube through said outer ring in such a manner that said respiratory tube intersects said outer ring so that there is no air transmission between said respiratory tube and said outer ring; and placing said distal end of said inflation tube within said outer ring.