Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Reexamination Certificate
2007-10-02
2007-10-02
Arana, Louis M. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
C600S424000
Reexamination Certificate
active
11160811
ABSTRACT:
A system and method for tracking or otherwise determining positioning of an intracorporeal device is provided. The invention includes a device that may be inserted into a subject and tracked based on an imageable tag included with the device. The imageable tag is at least partially formed of a substance whose nuclei precess at a Larmor frequency different than the Larmor frequency of hydrogen when subjected to a polarizing magnetic field. MR data may be acquired from the imageable tag using an RF receiver tuned to the Larmor frequency of the substance and used to track movement of the device within the subject.
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Dashnaw Stephen M.
DeLaPaz Robert L.
Feng Lei
Pile-Spellman John
Tamaroff Eric R.
Arana Louis M.
General Electric Company
The Trustees of Columbia University in the City of New York
Ziolkowski Patent Solutions Group, SC
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