Endotracheal tube with topical agent delivery system and method of using the same
First Claim
1. A medical device for insertion into a body passage comprising:
- a flexible insertion tube having a forward end and a rearward end, said tube being defined by a substantially cylindrical wall;
means provided in said insertion tube wall for spraying a topically active fluidic agent outwardly with respect to the tube;
first lumen means positioned and lying along a portion of said insertion wall and formed at least partially by said wall, said first lumen means having a forward end in fluid communication with said spraying means and a rearward end located approximate to said insertion tube rearward end;
an expansible cuff member circumferentially extending around said insertion tube wall, located between said spraying means and said insertion tube forward end, said cuff and spray means being operable independently of each other; and
second lumen means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said second lumen means having a forward end in fluid communication with the interior of said expandable cuff member and a rearward end approximate to said insertion tube rearward end.
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Accused Products
Abstract
A medical device for insertion into a body passage, such as endotracheal tube, including a system for the delivery of a topically active agent, such as an anesthetic or antibiotic. In a preferred embodiment, a conventional cuffed endotracheal tube is provided with an annular chamber circumferentially extending around the insertion tube in association with the wall thereof between the cuff and the rearward or external end of the insertion tube. Spaced openings are provided in the outer walls of the annular chamber. A lumen for the introduction of the topical agent is provided in association with the insertion wall tube having a forward end in fluid communication with the interior of the annular chamber and a rearward end externally opening and located proximate to the rearward end of the insertion tube. The openings in the wall of the annular chamber may include atomizing means for delivering the topical agent as a spray. A method for using the device is also disclosed.
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Citations
18 Claims
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1. A medical device for insertion into a body passage comprising:
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a flexible insertion tube having a forward end and a rearward end, said tube being defined by a substantially cylindrical wall; means provided in said insertion tube wall for spraying a topically active fluidic agent outwardly with respect to the tube; first lumen means positioned and lying along a portion of said insertion wall and formed at least partially by said wall, said first lumen means having a forward end in fluid communication with said spraying means and a rearward end located approximate to said insertion tube rearward end; an expansible cuff member circumferentially extending around said insertion tube wall, located between said spraying means and said insertion tube forward end, said cuff and spray means being operable independently of each other; and second lumen means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said second lumen means having a forward end in fluid communication with the interior of said expandable cuff member and a rearward end approximate to said insertion tube rearward end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A medical device for insertion into a body passage comprising:
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a flexible insertion tube having a forward end and a rearward end, said tube being defined by a substantially cylindrical wall; means provided in said insertion tube wall for dispensing a topically active agent; an expansible cuff member circumferentially extending around said insertion tube wall located between said dispensing means and said insertion tube forward end, said cuff and said dispensing means being operable independently of each other; first lumen means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said first lumen means having a forward end in fluid communication with said dispensing means and a rearward end externally opening and located proximate to said insertion tube rearward end; and second lumen means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said second lumens means having a forward end in fluid communication with the interior of said expansible cuff member and a rearward externally opening located proximate to said insertion tube rearward end. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method for using a medical device comprising a flexible insertion tube having a forward end and a rearward end, said tube being defined by a substantially cylindrical wall, means provided in said insertion tube wall for spraying a topically active fluidic agent outwardly with respect to the tube, first lument means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said first lumen means having a forward end in fluid communication with said spraying means and a rearward end located proximate to said rearward end, an expansible cuff member circle circumferentially extending around said insertion tube wall located between said spraying means and said insertion tube forward end, said cuff and spray means being operable independently of each other, and second means positioned and lying along a portion of said insertion tube wall and formed at least partially by said wall, said second lumen means having a forward end in fluid communication with the interior of said expandable cuff member and a rearward end proximate to said insertion tube rearward end, comprising the steps of:
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locating the insertion tube in a body passage by inserting the forward end thereof into the external passage opening and moving the tube into the passage; inflating the cuff member through the second lumen means until it forms a seal with the wall of the passage; administering a topically active fluidic agent to the wall of the passage by directing the agent through the first lumen means to the dispensing means whereupon the dispensing means directs the agent onto the passage wall; and deflating the cuff member and withdrawing the tube from the body passage. - View Dependent Claims (17, 18)
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Specification