Method for treating ischemia

Details Method for treating ischemia Method for treating ischemia

2006-02-21

2006-02-21

Dahbour, Fadi H. (Department: 3743)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S509000, C600S437000, C600S508000, C606S031000, C601S002000, C601S003000, C604S022000

Reexamination Certificate

active

07001336

ABSTRACT:
A method and apparatus for improving blood flow to an ischemic region (e.g., myocardial ischemia) a patient is provided. An ultrasonic transducer is positioned proximate to the ischemic region. Ultrasonic energy is applied at a frequency at or above 1 MHz to create one or more thermal lesions in the ischemic region of the myocardium. The thermal lesions can have a gradient of sizes. The ultrasound transducer can have a curved shape so that ultrasound energy emitted by the transducer converges to a site within the myocardium, to create a thermal lesion without injuring the epicardium or endocardium.

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