US Patent No: 6,217,530

Number of patents in Portfolio can not be more than 2000

Ultrasonic applicator for medical applications

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Abstract

A medical instrument uses solid tapered cones mounted to a preferably concave, spherically curved, piezoelectric ultrasound transducer which focuses and concentrates the ultrasound energy to a narrow tip so very high levels of ultrasound can be delivered to the tissue adjacent to the tip. Ultrasound matching layers or variable curvature geometries are employed at the tip aid in transferring the energy from the tip to the tissue.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNIVERSITY OF WASHINGTONSEATTLE, WA1063

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brentnall, Mark D San Diego, CA 2 90
Martin, Roy W Downers Grove, IL 88 2054
Proctor, Andrew H Duvall, WA 5 171

Cited Art

Patent Info (Count) # Cites Year
 
ADVANCED TECHNOLOGY LABORATORIES, INC. (2)
4,184,094 Coupling for a focused ultrasonic transducer 54 1978
4,475,376 Apparatus for testing ultrasonic transducers 11 1982
 
JULIA THERAPEUTICS, LLC (1)
6,113,559 Method and apparatus for therapeutic treatment of skin with ultrasound 81 1997
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
5,738,098 Multi-focus ultrasound lens 18 1995
 
NATIONAL RESEARCH COUNCIL OF CANADA (1)
4,743,870 Longitudinal mode fiber acoustic waveguide with solid core and solid cladding 16 1986
 
NEW YORK INSTITUTE OF TECHNOLOGY (1)
4,313,444 Method and apparatus for ultrasonic Doppler detection 12 1979
 
SONIC CONCEPTS, INC. (1)
6,007,499 Method and apparatus for medical procedures using high-intensity focused ultrasound 189 1997
 
SPECTRX, INC. (1)
5,860,421 Apparatus and method for calibrating measurement systems 55 1996

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
MAQUET CARDIOVASCULAR LLC (10)
7,033,352 Flexible ablation instrument 15 2000
7,099,717 Catheter having improved steering 4 2002
7,052,491 Vacuum-assisted securing apparatus for a microwave ablation instrument 11 2002
7,192,427 Apparatus and method for assessing transmurality of a tissue ablation 34 2003
6,976,986 Electrode arrangement for use in a medical instrument 38 2004
7,303,560 Method of positioning a medical instrument 6 2004
7,346,399 Monopole tip for ablation catheter 3 2004
7,156,841 Electrode arrangement for use in a medical instrument 1 2005
7,387,627 Vacuum-assisted securing apparatus for a microwave ablation instrument 12 2005
7,301,131 Microwave ablation instrument with flexible antenna assembly and method 15 2006
 
KONA MEDICAL, INC. (8)
7,063,666 Ultrasound transducers for imaging and therapy 42 2004
8,167,805 Systems and methods for ultrasound applicator station keeping 0 2006
8,295,912 Method and system to inhibit a function of a nerve traveling with an artery 0 2010
8,388,535 Methods and apparatus for focused ultrasound application 0 2011
8,374,674 Nerve treatment system 0 2011
8,277,398 Methods and devices to target vascular targets with high intensity focused ultrasound 0 2011
8,137,274 Methods to deliver high intensity focused ultrasound to target regions proximate blood vessels 0 2011
8,372,009 System and method for treating a therapeutic site 0 2011
 
MIRABILIS MEDICA INC. (5)
8,277,379 Methods and apparatus for the treatment of menometrorrhagia, endometrial pathology, and cervical neoplasia using high intensity focused ultrasound energy 0 2007
8,052,604 Methods and apparatus for engagement and coupling of an intracavitory imaging and high intensity focused ultrasound probe 0 2007
8,187,270 Hemostatic spark erosion tissue tunnel generator with integral treatment providing variable volumetric necrotization of tissue 0 2007
8,216,161 Optimization and feedback control of HIFU power deposition through the frequency analysis of backscattered HIFU signals 0 2008
8,057,391 Apparatus for delivering high intensity focused ultrasound energy to a treatment site internal to a patient's body 0 2008
 
MEDTRONIC XOMED, INC. (4)
6,692,450 Focused ultrasound ablation devices having selectively actuatable ultrasound emitting elements and methods of using the same 118 2000
6,413,254 Method of tongue reduction by thermal ablation using high intensity focused ultrasound 130 2000
6,595,934 Methods of skin rejuvenation using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 87 2000
6,409,720 Methods of tongue reduction using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 78 2000
 
FOCUS SURGERY, INC. (3)
7,662,114 Ultrasound phased arrays 0 2005
7,559,905 HIFU probe for treating tissue with in-line degassing of fluid 1 2006
8,235,902 System and method for tissue change monitoring during HIFU treatment 0 2007
 
INSIGHTEC LTD. (2)
8,409,099 Focused ultrasound system for surrounding a body tissue mass and treatment method 0 2004
8,425,424 Closed-loop clot lysis 0 2009
 
MEDTRONIC, INC. (2)
6,936,046 Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 90 2003
7,615,015 Focused ultrasound ablation devices having selectively actuatable emitting elements and methods of using the same 6 2003
 
PRODUCT SYSTEMS INCORPORATED (2)
6,791,242 Radial power megasonic transducer 6 2002
7,145,286 Wedge shaped uniform energy megasonic transducer 4 2005
 
UNIVERSITY OF WASHINGTON (2)
6,500,133 Apparatus and method for producing high intensity focused ultrasonic energy for medical applications 41 2000
6,666,835 Self-cooled ultrasonic applicator for medical applications 22 2002
 
ARX, INC. (1)
7,226,446 Surgical microwave ablation assembly 20 2000
 
CAMS MEDICAL INSTRUMENTS, INC. (1)
7,883,534 Personal tuner 0 2006
 
CROSBY ADVANCE MEDICAL SYSTEMS, INC. (1)
7,077,857 Pulse Cam 1 2002
 
FERTON HOLDING S.A. (1)
8,034,004 Medical device for the treatment of biological tissue 0 2003
 
MEDTRONIX XOMED SURGICAL PRODUCTS, INC. (1)
6,451,013 Methods of tonsil reduction using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 47 2000
 
MMV FINANCE INC. (1)
8,038,631 Laparoscopic HIFU probe 0 2009
 
NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT (1)
7,344,509 Shear mode therapeutic ultrasound 14 2004
 
NOVARTIS AG (1)
8,006,570 Non-invasive flow measurement 0 2006
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
8,395,626 Method and system for interactive simulation of materials 0 2007
8,439,907 Hemostatic tissue tunnel generator for inserting treatment apparatus into tissue of a patient 0 2008
8,443,811 Therapy tools and treatment methods 0 2012