Catheter and method for locally applying medication to the wall of a blood vessel or other body lumen

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5087244
SERIAL NO

07590048

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and catheter for use in practicing the method are provided by which a highly concentrated medication or chemotherapeutic agent can be applied locally under sufficient pressure to cause the medication or agent to penetrate into the localized tissue. The total volume of medication or agent is quite small, well below levels that might cause an adverse reaction in other parts of the body. The catheter includes a thin walled flexible balloon having a plurality of minute holes through which medication may flow at a low flow rate. The balloon is inflated with the medication under pressure and the flow rate of the order of a few ccs per minute is controlled by the minute holes in the balloon. In practicing the method of the invention, the balloon is selected such that its inflated diameter will correspond to or be slightly greater than the diameter of the lumen into which it is to be placed so that when the balloon is inflated, it will contact intimately the surface of the lumen. Inflation of the balloon with the medication will cause a thin film to spread between the balloon and the lumen, the film being maintained under a sufficient pressure to penetrate significantly the surrounding tissue with a high concentration of medication. The quantity of medication that ultimately flows free into the lumen is quite small and is insufficient to cause any other damage to the patient.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
C. R. BARD, INC.MURRAY HILL, NJ726

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barbere, Michael D Dunstable, MA 21 1463
King, Spencer L Atlanta, GA 1 370
Wolinsky, Harvey New York, NY 3 886

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

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8979888 Paranasal ostium finder devices and methods 1 2009
8764726 Devices, systems and methods useable for treating sinusitis 9 2009
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9351750 Devices and methods for treating maxillary sinus disease 0 2009
8425457 Devices, systems and methods for diagnosing and treating sinusitus and other disorder of the ears, nose and/or throat 48 2009
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8828041 Devices, systems and methods useable for treating sinusitis 10 2010
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8852143 Devices, systems and methods for treating disorders of the ear, nose and throat 4 2010
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8870893 Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat 0 2010
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8764709 Devices, systems and methods for treating disorders of the ear, nose and throat 13 2010
9155492 Sinus illumination lightwire device 0 2010
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9107574 Endoscopic methods and devices for transnasal procedures 2 2011
9615775 Methods and devices for ostium measurements 0 2012
8968269 Multi-conduit balloon catheter 0 2012
8721591 Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures 14 2012
8905922 Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat 4 2012
9468362 Endoscopic methods and devices for transnasal procedures 3 2012
9198736 Adapter for attaching electromagnetic image guidance components to a medical device 1 2012
8764786 Balloon catheters and methods for treating paranasal sinuses 5 2012
9308361 Implantable devices and methods for treating sinusitis and other disorders 1 2013
9433437 Apparatus and method for treatment of ethmoid sinusitis 3 2013
9084876 Implantable devices and methods for delivering drugs and other substances to treat sinusitis and other disorders 2 2013
8777926 Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasel or paranasal structures 10 2013
9072626 System and method for treatment of non-ventilating middle ear by providing a gas pathway through the nasopharynx 1 2013
9463068 Methods and devices for protecting nasal turbinates 0 2013
9629684 Apparatus and method for treatment of ethmoid sinusitis 0 2014
9241834 Devices, systems and methods for treating disorders of the ear, nose and throat 3 2014
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9629656 Adapter for attaching electromagnetic image guidance components to a medical device 0 2015
9457175 Balloon catheters and methods for treating paranasal sinuses 0 2015
 
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* Cited By Examiner