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

ALSO PUBLISHED AS: 20080132826

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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, CA18

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoey, Michael Shoreview, MN 90 872
Shadduck, John H Tiburon, CA 351 9896

Cited Art Landscape

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

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
TSUNAMI MEDTECH, LLC (12)
8,444,636 Medical instrument and method of use 1 2006
8,579,892 Medical system and method of use 1 2008
8,313,485 Method for performing lung volume reduction 6 2008
8,574,226 Method for treating tissue 1 2008
8,758,341 Thermotherapy device 0 2009
8,579,888 Medical probes for the treatment of blood vessels 1 2009
8,721,632 Methods for delivering energy into a target tissue of a body 0 2009
8,579,893 Medical system and method of use 1 2010
8,900,223 Tissue ablation systems and methods of use 0 2010
8,187,269 Medical instruments and techniques for treating pulmonary disorders 8 2010
8,858,549 Medical instruments and techniques for treating pulmonary disorders 0 2012
8,911,430 Medical probes for the treatment of blood vessels 0 2013
 
IOGYN, INC. (4)
* 8,512,326 Tissue extraction devices and methods 0 2011
* 2012/0330,292 TISSUE EXTRACTION DEVICES AND METHODS 1 2011
* 8,728,066 Tissue extraction devices and methods 0 2013
* 2013/0267,937 TISSUE EXTRACTION DEVICES AND METHODS 0 2013
* Cited By Examiner

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