Textiles: manufacturing – Warp preparing or handling – Machine replenishing
Patent
1992-07-09
1994-02-15
Burr, Edgar S.
Textiles: manufacturing
Warp preparing or handling
Machine replenishing
12820714, 12820026, A61M 1600
Patent
active
052857786
ABSTRACT:
An endotracheal tube includes a main tube having a proximal end portion and a distal end portion, an inflatable annular cuff disposed on the main tube in sealed relation thereto adjacent on the distal end portion. An inflation tube extends from the distal end portion into the cuff. A viewing lens is located on the distal end portion and optically coupled to a first optical fiber extending from the proximal end portion to the distal end portion. A viewing device is attached to a proximal end of the first optical fiber. An illumination port is located on the distal end portion coupled to a second optical fiber extending from the proximal end portion to the distal end portion. An illumination source is optically coupled to a proximal end of the second optical fiber. The extended insertion of the endotracheal tube and conditions of adjacent tissue can be viewed by means of the viewing device. A flushing tube extends from a flushing source adjacent to the proximal end portion to a flushing outlet port located at the distal end portion adjacent to the viewing lens to flush mucous away from the viewing lens. In one embodiment, an auxiliary tube extends through a sealable port in a wall of the proximal end portion and slides through the sealable port, through the main tube and out of the distal end portion thereof. The auxiliary tube includes fiber optic illumination and viewing elements on a distal end portion thereof and an inflatable annular cuff on the distal end portion thereof.
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Burr Edgar S.
Lewis Aaron J.
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