DR. VICTOR Y. FUJIMOTO, M.D.
Medical Practice at Sutter St, San Francisco, CA

2013009, Apr 18, 2013

Nov 19, 2012

13/681379

Shahram Vaezy - Seattle WA, US
Arthur H. Chan - Plano TX, US
Victor Y. Fujimoto - San Francisco CA, US
Donald E. Moore - Seattle WA, US
Roy W. Martin - Anacortes WA, US

UNIVERSITY OF WASHINGTON - Seattle WA

A61N 7/00, A61B 8/12

600439, 601 2

A plurality of concepts related to HIFU therapy are disclosed, including a technique to spatially track and display the relative positions of a HIFU focal point and an imaging plane from an ultrasound imager, so that a clinician can ensure that the HIFU focus remains in the image plane during HIFU therapy, thereby facilitating image guided HIFU therapy. Also disclosed are a plurality of transvaginal probes that include a HIFU transducer optimized for the treatment of uterine fibroids. In one embodiment, the probe includes a piezoceramic crystal bonded to an aluminum lens, to achieve a HIFU transducer having a focal length of about 4 cm. In another embodiment, the probe includes a generally spoon-shaped transducer including a plurality of individual emitter elements. Still another concept disclosed herein is a method for evaluating a quality of a coupling between a liquid-filled volume encompassing a HIFU transducer and a tissue interface.

7520856, Apr 21, 2009

Oct 29, 2004

10/977339

Shahram Vaezy - Seattle WA, US
Arthur H. Chan - Plano TX, US
Victor Y. Fujimoto - San Francisco CA, US
Donald E. Moore - Seattle WA, US
Roy W. Martin - Anacortes WA, US

University of Washington - Seattle WA

A61B 8/00, A61N 7/00

600439, 600459, 601 3

A frame ensures that the alignment between a high intensity focused ultrasound (HIFU) transducer designed for vaginal use and a commercially available ultrasound image probe is maintained, so that the HIFU focus remains in the image plane during HIFU therapy. A water-filled membrane placed between the HIFU transducer and the treatment site provides acoustic coupling. The coupling is evaluated to determine whether any air bubbles exist at the coupling interface, which might degrade the therapy provided by the HIFU transducer. HIFU lesions on tissue appear as hyperechoic spots on the ultrasound image in real time during application of HIFU therapy. Ergonomic testing in humans has demonstrated clear visualization of the HIFU transducer relative to the uterus and showed the potential for the HIFU transducer to treat fibroids from the cervix to the fundus through the width of the uterus.

8337434, Dec 25, 2012

Nov 15, 2010

12/946727

Shahram Vaezy - Seattle WA, US
Arthur H. Chan - Plano TX, US
Victor Y. Fujimoto - San Francisco CA, US
Donald E. Moore - Seattle WA, US
Roy W. Martin - Anacortes WA, US

University of Washington - Seattle WA

A61H 1/00

601 2, 600439, 600476, 600478, 600127, 600459

A plurality of concepts related to HIFU therapy are disclosed, including a technique to spatially track and display the relative positions of a HIFU focal point and an imaging plane from an ultrasound imager, so that a clinician can ensure that the HIFU focus remains in the image plane during HIFU therapy, thereby facilitating image guided HIFU therapy. Also disclosed are a plurality of transvaginal probes that include a HIFU transducer optimized for the treatment of uterine fibroids. In one embodiment, the probe includes a piezoceramic crystal bonded to an aluminum lens, to achieve a HIFU transducer having a focal length of about 4 cm. In another embodiment, the probe includes a generally spoon-shaped transducer including a plurality of individual emitter elements. Still another concept disclosed herein is a method for evaluating a quality of a coupling between a liquid-filled volume encompassing a HIFU transducer and a tissue interface.

7850626, Dec 14, 2010

Oct 30, 2007

11/928667

Shahram Vaezy - Seattle WA, US
Arthur H. Chan - Plano TX, US
Victor Y. Fujimoto - San Francisco CA, US
Donald E. Moore - Seattle WA, US
Roy W. Martin - Anacortes WA, US

University of Washington - Seattle WA

A61H 1/00, A61B 1/00, A61B 6/00

601 2, 600101, 600478, 600439

A plurality of concepts related to HIFU therapy are disclosed, including a technique to spatially track and display the relative positions of a HIFU focal point and an imaging plane from an ultrasound imager, so that a clinician can ensure that the HIFU focus remains in the image plane during HIFU therapy, thereby facilitating image guided HIFU therapy. Also disclosed are a plurality of transvaginal probes that include a HIFU transducer optimized for the treatment of uterine fibroids. In one embodiment, the probe includes a piezoceramic crystal bonded to an aluminum lens, to achieve a HIFU transducer having a focal length of about 4 cm. In another embodiment, the probe includes a generally spoon-shaped transducer including a plurality of individual emitter elements. Still another concept disclosed herein is a method for evaluating a quality of a coupling between a liquid-filled volume encompassing a HIFU transducer and a tissue interface.