Implantable marker with wireless signal transmitter
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United States of America Patent
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-
Jun 12, 2012
Grant Date -
Jul 14, 2005
app pub date -
Dec 24, 2003
filing date -
Dec 24, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wireless marker for localizing a target of a patient comprises a casing and a magnetic transponder at least partially received in the casing. The magnetic transponder produces a wirelessly transmitted magnetic field in response to a wirelessly transmitted excitation energy. The magnetic transponder also has a magnetic centroid. The marker also comprises an imaging element carried by the casing and/or the magnetic transponder. The imaging element has a radiographic profile in a radiographic image such that the marker has a radiographic centroid at least approximately coincident with the magnetic centroid.
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Family
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