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Engineered Medical Systems, Inc.

Engineered Medical System, Inc.

David D Alfery

Brad Hayden Quinn

An oral airway consists of an elongate tubular member having a leading distal end and a proximal end, the leading distal end leading the elongate tubular member as it is inserted into the mouth and pharynx of a patient. An opening at the leading distal end of the elongate tubular member is inclined so that a posterior portion of the distal portion extends beyond an anterior portion of the distal end. A flexible tip portion extends distally beyond the opening to aid in insertion of the oral airway into the mouth and pharynx of a patient. The tip is configured to flex toward the opening as it abuts tissue within the mouth and pharynx of a patient.

Perilaryngeal oral airway with flexible tip guide

A tubular assembly having a plurality of lumens is configured for insertion into the mouth and throat of a patient with a proximal end of the tubular assembly extending from the patient's mouth and a distal end of the tubular assembly extending into the patient's esophagus. The tubular assembly further includes a transition portion near the tubular assembly. The transition portion is configured to transition from a relatively radially large proximal end to a relatively radially small distal end, with the relatively radially small distal end being in communication with at least one of the lumens. The relatively radially large proximal end is configured to abut the aryepiglottic folds of the patient to arrest insertion of the tubular assembly with the relatively radially small distal end of the transition portion extending into the patient's esophagus. A method of providing breathing assist includes inserting the tubular assembly into the mouth and throat of a patient with the relatively radially large proximal end abutting the aryepiglottic folds and the distal end of the transition portion extending into the patient's esophagus.

Perilaryngeal oral airway with multi-lumen esophogeal-obturator

An oral airway () includes an elongate tubular member () having a distal () and a proximal end (), the oral airway being configured to place the distal end in a supraglottic position and prevent insertion of the distal end into the patient's larynx when operatively placed within the hypopharynx of a patient. A temperature sensor () is operatively associated with the elongate tubular member to detect a core temperature of a patient with the distal end of the oral airway operatively placed in a supraglottic position within the hypopharynx of the patient.

Perilaryngeal oral airway with temperature sensor

An oral airway ( ) includes an elongate tubular member ( ) having a distal ( ) and a proximal end ( ), the oral airway being configured to place the distal end in a supraglottic position when operatively placed within the hypopharynx of a patient. A temperature sensor ( ) is operatively associated with the elongate tubular member to detect a core temperature of a patient with the distal end of the oral airway operatively placed in a superglottic position within the hypopharynx of the patient.

Perilaryngeal oral airway

An oral airway ( ) includes an elongate tubular member ( ) having a distal ( ) and a proximal end ( ) with an enlarged wedge-shaped housing ( ) at the distal end. The wedge-shaped housing ( ) is for insertion into the mouth ( ) and pharynx ( A) of a patient with the proximal end of the tubular member extending from the mouth of the patient. The wedge-shaped housing ( ) has anterior ( ) and posterior ( ) walls forming an enlarged proximal portion ( ) tapering to a smaller distal portion ( ) with a leading opening ( ) separating the anterior ( ) and posterior ( ) walls at the distal end of the housing. A grate ( ) covers the leading opening. Sidewalls ( ) extend between the anterior ( ) and posterior ( ) walls and the wedge-shaped housing ( ) is configured so that the sidewalls abut the aryepiglottic folds ( ) as the wedge-shaped housing is inserted in to the hypopharynx ( ) of a patient to arrest insertion of the wedge-shaped housing and seat the wedge-shaped housing with the leading opening ( ) adjacent to the glottis ( ). The grate ( ) is inclined between the anterior and posterior walls ( ) so that as a patient's epiglottis ( ) is engaged by the grate ( ) during insertion of the wedge-shaped housing into the hypopharynx ( ), the epiglottis ( ) slides up the grate ( ) and into abutment with the anterior wall ( ) of the wedge-shaped housing. A method of providing an oral airway to a patient includes inserting the wedge-shaped housing ( ) into the mouth ( ) of the patient, axially advancing the wedge-shaped housing ( ) to slide the epiglottis ( ) over the grate ( ) and seating the wedge-shaped housing ( ) with a leading surface of the enlarged proximal portion ( ) abutting the patient's aryepiglottic folds ( ), the anterior wall ( ) of the wedge-shaped housing ( ) abutting the epiglottis ( ) and the grate ( ) adjacent to the glottis ( ).

An oral airway which is inserted into the pharynx of a patient through the mouth while the patient is undergoing general anesthesia or is undergoing respiratory treatment such as is carried out with cardiopulmonary resuscitation. The oral airway includes a curved hollow, tubular longitudinally extending body member. The body member has a distal end portion for insertion into the patient's mouth and pharynx and a proximal end portion for location at the mouth of the patient. The distal end portion of the body member of the oral airway is extended and shaped so as to be operative to seat deep in the patient's hypo-pharynx and surround the patient's epiglottis and glottis, thereby to hold the patient's soft tissue away from the air channel opening of the patient.

A patient airway bite block which can be used together with laryngeal mask airways (LMAs), oral endotracheal tubes, and similar patient airways. The bite block includes a bite block portion which is wedge-shaped and defines a posterior portion and an anterior portion and has upper and lower non-incisor teeth engagement surfaces. The wedge-shaped bite block portion is angled such that the non-incisor teeth engagement surfaces gradually become farther apart in a direction from the posterior portion toward the anterior portion, thereby to hold a patient's incisors apart when the bite block is positioned in the patient's mouth at one side thereof. At least one pair of spaced apart flanges is provided. The flanges extend from the bite block portion and are dimensioned to be positioned between the patient's non-incisor teeth and cheek and on the tongue side of the patient's non-incisor teeth, respectively. The flanges serve to retain the bite block in place in the patient's mouth. A handle, for positioning the bite block within the patient's mouth and for removing the bite block therefrom, is fixedly attached to the bite block portion and operative to extend outside of the patient's mouth when the bite block is positioned in the patient's mouth.

Patient airway bite block

A device for the application of continuous positive airway pressure (CPAP) delivering 100% oxygen during thoracic surgery utilizing one-lung anesthesia. The device comprises a hollow, cylindrical member serving as a conduit for oxygen. One end of the device is connected to a source of oxygen delivered at a constant flow rate. The opposite end attaches to one lumen of a double-lumen endotracheal tube. A removable cap is attached to the device. If the cap is removed, a breathing bag can be attached for allowing the periodic expansion of the lung connected to the apparatus. A venting device is provided to allow the egress of oxygen under pressure. By changing a venting orifice, varying degrees of pressure of oxygen will be delivered to the one lumen of the double-lumen tube.

Growing community of inventors

Nashville, TN, United States of America

David D Alfery