US Patent No: 7,892,229

Number of patents in Portfolio can not be more than 2000

Medical instruments and techniques for treating pulmonary disorders

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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, CA22

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoey, Michael Shoreview, US 77 1345
Shadduck, John H Menlo Park, US 264 16129

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
NewUro, B.V. (1)
9,179,963 Bladder tissue modification for overactive bladder disorders 0 2015
 
TSUNAMI MEDTECH, LLC (26)
8,444,636 Medical instrument and method of use 5 2006
* 2006/0224,154 Medical instrument and method of use 91 2006
8,579,892 Medical system and method of use 5 2008
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8,313,485 Method for performing lung volume reduction 12 2008
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8,574,226 Method for treating tissue 5 2008
* 2009/0216,220 MEDICAL SYSTEM AND METHOD OF USE 34 2009
8,758,341 Thermotherapy device 0 2009
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* 2010/0204,688 MEDICAL SYSTEM AND METHOD OF USE 41 2009
8,579,893 Medical system and method of use 6 2010
* 2010/0185,189 MEDICAL SYSTEM AND METHOD OF USE 4 2010
* 2010/0262,133 MEDICAL SYSTEMS AND METHODS FOR ABLATING AND ABSORBING TISSUE 21 2010
9,433,457 Medical instruments and techniques for thermally-mediated therapies 0 2010
* 2010/0160,905 MEDICAL INSTRUMENTS AND TECHNIQUES FOR THERMALLY-MEDIATED THERAPIES 18 2010
8,900,223 Tissue ablation systems and methods of use 2 2010
* 2011/0118,717 TISSUE ABLATION SYSTEMS AND METHODS OF USE 15 2010
8,187,269 Medical instruments and techniques for treating pulmonary disorders 15 2010
9,161,801 Medical system and method of use 0 2010
* 2011/0160,648 MEDICAL SYSTEM AND METHOD OF USE 17 2010
9,204,889 Medical instrument and method of use 0 2011
8,858,549 Medical instruments and techniques for treating pulmonary disorders 0 2012
9,113,944 Method for performing lung volume reduction 1 2012
8,911,430 Medical probes for the treatment of blood vessels 0 2013
 
IOGYN, INC. (5)
* 8,512,326 Tissue extraction devices and methods 1 2011
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* 8,728,066 Tissue extraction devices and methods 2 2013
* 2013/0267,937 TISSUE EXTRACTION DEVICES AND METHODS 0 2013
 
SHARMA, VIRENDER K. (2)
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