Apparatus and method for locating therapeutic seeds implanted in a human body
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United States of America Patent
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Sep 10, 2002
Grant Date -
N/A
app pub date -
Apr 5, 2000
filing date -
Apr 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Determining the locations of therapeutic seeds implanted in a body part by distinguishing the therapeutic seeds from the body part by imposing physical changes on the therapeutic seeds and sensing these physical changes in the therapeutic seeds. In one form of the invention, the therapeutic seeds are partially ferromagnetic and are caused to vibrate by a magnetic field and the vibrating therapeutic seeds are identified by reflections of ultrasonic signals transmitted to the therapeutic seeds.
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