Ultrasonic method for visualizing brachytheraphy seeds

Details Ultrasonic method for visualizing brachytheraphy seeds Ultrasonic method for visualizing brachytheraphy seeds

2007-05-15

2007-05-15

Jaworski, Francis J. (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S453000, C600S003000

Reexamination Certificate

active

10387273

ABSTRACT:
Methods are provided for enhancing the image of brachytherapy seeds implanted in tissue using a transrectal ultrasound apparatus. In a first arrangement the resonance of the seeds is determined and the seeds are insonified using acoustic signals having a resonance frequency of the seeds to cause the seeds to vibrate. The vibrating seeds have enhanced detection using a Doppler ultrasound device. In a second arrangement the acoustic signature of the seeds is determined and used to enhance the imaging of the seeds using a correlation function. In a third arrangement images are taken of the tissue and implanted seeds prior to and during the application of mechanical stress to the tissue. A correlation between the unstressed and stressed tissue can cause enhanced imaging of the seeds.

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patent: WO 03/015864 (2003-02-01), None
Mcaleavey, S. WO 03015864 A2, Feb. 27, 2003.

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