Surgery – Respiratory method or device – Means placed in body opening to facilitate insertion of...
Patent
1996-03-26
1998-02-24
Millin, Vincent
Surgery
Respiratory method or device
Means placed in body opening to facilitate insertion of...
12820024, 12820714, 12820715, 128911, 128912, 128DIG26, A61M 1600
Patent
active
057202753
ABSTRACT:
A tracheal guide (10) for positioning a medical device (11) such as an endotracheal or intubation tube in the trachea (12) of a human patient (13). The tracheal guide includes an elongated member (14) with a generally U-shaped passage (17) extending therethrough. Ears (18, 33) are disposed laterally about the passage and, in particular, the distal end (15) thereof. These ears are shaped for conformance with and placement in the piriform fossa (19, 34), which are located in the vicinity of the glottic opening (39) of the trachea. A tongue (25) extends distally from the distal end of the elongated member and into the esophagus (32) of the patient when the ears of the guide are positioned in the piriform fossa. The passage of the elongated member includes first and second surfaces (20, 24) that form an edge (26) that extends anterior to the cricoid cartilage and, in particular, the transverse arytenoid when the edge and ears are properly positioned in the patient's airway. These passage surfaces atraumatically guide an endotracheal or intubation tube directly into the trachea (12) and without concern of undesired entry into the esophagus. These surfaces are selected to have particular angles (21, 24) with respect to the outer reference surface (30) of the elongated member so as to accommodate most human patients.
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Mullins Jeffrey C.
Patil Vijayalakshmi
Cook Incorporated
Deane, Jr. William J.
Godlewski Richard J.
Millin Vincent
The Research Foundation of State Univ. of New York
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