Patent ID: 8522788

Claim:
A tracheostomy tube, comprising: a cannula; an annular connector attached to a proximal end of the cannula; and a flange extending radially from a distal end of the annular connector and being configured to support the tracheostomy tube via contact with the neck of a patient to maintain the flange outside of the patient's trachea when the tracheostomy tube is in use, wherein the flange comprises a tie hole and a filleted end with a bottom surface configured to be raised from the neck of the patient when the tracheostomy tube is in use, wherein the flange comprises a top surface and wherein the flange is concave such that the filleted end and a connector end configured to abut the annular connector are raised relative to the top surface of a center portion of the flange and wherein the filleted end has a portion that gradually thickens away from the center portion.