US Patent No: 5,279,594

Number of patents in Portfolio can not be more than 2000

Intubation devices with local anesthetic effect for medical use

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Abstract

A compound with topical anesthetic properties is incorporated in polymeric material making up the wall of a tube of intubation devices for introduction into body passages of an animal. A hydrophobic anesthetic compound is used which is more soluble in the polymeric wall material of the tube than in water. Because of the hydrophobic properties of the anesthetic compound, a quantity of anesthetic compound can be stored in solution in the polymeric wall material of the tube and this stored anesthetic compound is not washed out by the aqueous fluid which is present in the body passage. As a result, the anesthetic compound is transferred only to the contiguous tissue of the body passage and not disseminated systemically through the aqueous fluids. When the tube is in place within a body passage the anesthetic compound diffuses to the surface of body tissue touched by the tube where its anesthetic effect suppresses discomfort and undesired rejection reactions. Since the anesthetic compound is thus dispensed only to the contiguous tissue of the body passage, the quantity of anesthetic compound stored in the tube wall is sufficient to maintain effective anesthesia of the body passage for hours or days, and undesired effects of a general dissemination through the body are avoided.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jackson, Richard R One Atlantic Ave., Swampscott, MA 01907 8 344

Cited Art

Patent Info (Count) # Cites Year
 
COLORADO BIOMEDICAL, INC. (1)
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FLORIDA-KANSAS HEALTH CARE, INC. (1)
4,867,968 Elastomeric composition containing therapeutic agents and articles manufactured therefrom 28 1987
 
KHPC HOLDING, A DELAWARE GENERAL PARTENRSHIP (1)
4,977,894 Laryngo-tracheal analgesia endotracheal tube 13 1989
 
MONSANTO COMPANY (1)
4,421,333 Assembly for mounting a vehicle spray suppression device 12 1983
 
SHERWOOD SERVICES AG (1)
4,997,440 Vascular graft with absorbable and nonabsorbable components 37 1990
 
TERUMO KABUSHIKI KAISHA (1)
4,560,720 Compositions of polyvinyl chloride and tetracarboxylic tetraesters and medical articles thereof 5 1983
 
THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK (1)
4,581,028 Infection-resistant materials and method of making same through use of sulfonamides 123 1984
 
UNIVERSITY OF MEDICINE AND DENTISTRY OF NEW JERSEY (1)
4,879,135 Drug bonded prosthesis and process for producing same 198 1988

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
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7,967,998 Method of polishing implantable medical devices to lower thrombogenecity and increase mechanical stability 0 2008
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ZARS (2)
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OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
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8,440,090 Apparatus and method of making a variable stiffness multilayer catheter tubing 0 2010