Magnetic resonance probes
First Claim
Patent Images
1. A magnetic resonance probe, comprising:
- a plurality of center conductors, at least some center conductors including a conductive core and an insulator disposed at least partially about the core along at least a portion of the core;
a first dielectric layer disposed at least partially about the plurality of center conductors in a proximal portion of the probe;
an outer conductive layer at least partially disposed about the first dielectric layer; and
a plurality of electrodes, at least one electrode being coupled to one of the center conductors and disposed at least partly on a probe surface.
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Abstract
A magnetic resonance probe may include a plurality of center conductors, at least some center conductors including a conductive core and an insulator disposed at least partially about the core along at least a portion of the core, a first dielectric layer disposed at least partially about the plurality of center conductors in a proximal portion of the probe, an outer conductive layer at least partially disposed about the first dielectric layer, and a plurality of electrodes, at least one electrode being coupled to one of the center conductors and disposed at least partly on a probe surface.
117 Citations
20 Claims
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1. A magnetic resonance probe, comprising:
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a plurality of center conductors, at least some center conductors including a conductive core and an insulator disposed at least partially about the core along at least a portion of the core;
a first dielectric layer disposed at least partially about the plurality of center conductors in a proximal portion of the probe;
an outer conductive layer at least partially disposed about the first dielectric layer; and
a plurality of electrodes, at least one electrode being coupled to one of the center conductors and disposed at least partly on a probe surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A combined magnetic resonance imaging and electrophysiology probe, comprising:
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a plurality of center conductors, at least some center conductors including a conductive core and an insulator disposed at least partially about the core along at least a portion of the core, the insulator having a thickness equal to or less than about 100 microns;
a first dielectric layer disposed at least partially about the plurality of center conductors in a proximal portion of the probe;
an outer conductive layer at least partially disposed about the first dielectric layer;
a second dielectric layer disposed at least partially about the outer conductive layer; and
a plurality of electrodes, at least one electrode coupled to one of the center conductors and disposed at least partly on the probe surface.
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20. A system for magnetic resonance imaging, comprising:
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a magnetic resonance probe, including;
a plurality of center conductors, at least some center conductors including a conductive core and an insulator disposed at least partially about the core along at least a portion of the core;
a first dielectric layer disposed at least partially about the plurality of center conductors in a proximal portion of the probe;
an outer conductive layer disposed at least partially about the first dielectric layer; and
a plurality of electrodes, at least one electrode coupled to one of the center conductors and disposed at least partly on the probe surface; and
a interface electrically coupled to the probe, the interface including;
a signal splitter that directs a signal received from the probe to a magnetic resonance pathway and an electrophysiology pathway;
a high-pass filter disposed in the magnetic resonance pathway;
a low-pass filter disposed in the electrophysiology pathway;
a connector disposed in the magnetic resonance pathway for connecting to a magnetic resonance scanner; and
a connector disposed in the electrophysiology pathway for connecting to at least one of a tissue stimulator, a electrophysiological recording system, and an ablation energy source.
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Specification