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US7311701: Methods and apparatus for non-invasively treating atrial fibrillation using high intensity focused ultrasound


Filing Information

Inventor(s) Hanson S. Gifford · Mark Deem ·
Assignee(s) Cierra, Inc. ·
Attorney/Agent(s) Townsend and Townsend and Crew LLP · J. Feuchtwang, Esq. ·
Primary Examiner Henry M. Johnson, III ·
Application Number US10764148
Filing date 01/23/2004
Issue date 12/25/2007
Prior Publication Data
Predicted expiration date 06/22/2024
Patent term adjustment 151
U.S. Classifications 606/27  · 606/1  · 128/898  ·
International Classifications A61N700  ·
Kind CodeB2
This application claims priority from and is a Continuation-In-Part of U.S. provisional patent application Ser. No. 60/477,532, filed Jun. 10, 2003.
11 Claims, 4 Drawings


Methods and apparatus are provided for non-invasively treating patent foramen ovale using an ultrasound imaging system and a high intensity focused ultrasound system to selectively target high intensity ultrasound energy on either or both of a patient's septum primum or septum secundum.

Independent Claims | See all claims (11)

  1. 1. A method of treating patent foramen ovale comprising: providing a catheter having a distal portion housing an ultrasound imaging system and a high intensity focused ultrasound system disposed in alignment with the ultrasound imaging system; disposing the distal portion of the catheter within a patient's body lumen; operating the ultrasound imaging system to generate an image of a portion of cardiac tissue; and operating the high intensity focused ultrasound system, guided by the image, to heat or ablate either or both of the patient's septum primum or septum secundum.

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