Medical instruments and techniques for treating pulmonary disorders

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7892229
APP PUB NO 20080132826A1
SERIAL NO

11158930

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A surgical instrument for delivering energy to lung tissue, for example to cause lung volume reduction. In one embodiment, an elongated catheter has a handle portion that includes an interior chamber that is supplied with a biocompatible liquid media under pressure. An energy source delivers energy to the media to cause a liquid-to-vapor phase change within the interior chamber and ejects a flow of vapor media from the working end of the catheter. The delivery of energy and the flow of vapor are controlled by a computer controller to cause a selected pressure and selected volume of vapor to propagate to the extremities of the airways. Contemporaneously, the vapor undergoes a vapor-to-liquid phase transition which delivers a large amount of energy to airway tissue. The thermal energy delivered is equivalent to the heat of vaporization of the fluid media, which shrinks and collapses the treated airways. The treated tissue is the maintained in a collapsed state by means of aspiration for a short interval to enhance tissue remodeling. Thereafter, the patient's wound healing response causes fibrosis and further remodeling to cause permanent lung volume reduction.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Tsunami MedTech, LLCMENLO PARK, CA24

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoey, Michael Shoreview, US 80 1748
Shadduck, John H Menlo Park, US 268 19801

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
ENDOCHOICE (1)
9561066 Method and apparatus for tissue ablation 0 2012
 
SANTA ANNA TECH LLC (5)
9700365 Method and apparatus for the ablation of gastrointestinal tissue 0 2009
* 2010/0114,082 Method and Apparatus for the Ablation of Endometrial Tissue 4 2009
* 2010/0114,083 Method and Apparatus for the Ablation of Gastrointestinal Tissue 22 2009
9561067 Method and apparatus for tissue ablation 0 2014
9561068 Method and apparatus for tissue ablation 0 2015
 
NEWURO, B.V. (1)
9179963 Bladder tissue modification for overactive bladder disorders 0 2015
 
Tsunami MedTech, LLC (28)
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8313485 Method for performing lung volume reduction 20 2008
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8574226 Method for treating tissue 8 2008
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* 2010/0185,189 MEDICAL SYSTEM AND METHOD OF USE 6 2010
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8900223 Tissue ablation systems and methods of use 5 2010
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9161801 Medical system and method of use 0 2010
* 2011/0160,648 MEDICAL SYSTEM AND METHOD OF USE 24 2010
9204889 Medical instrument and method of use 0 2011
8858549 Medical instruments and techniques for treating pulmonary disorders 2 2012
9113944 Method for performing lung volume reduction 3 2012
9468487 Medical instrument and method of use 0 2013
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9615875 Medical instruments and techniques for thermally-mediated therapies 0 2014
 
BOSTON SCIENTIFIC SCIMED, INC. (10)
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9549754 Tissue extraction devices and methods 0 2014
9486233 Tissue resecting systems and methods 0 2014
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* Cited By Examiner

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