Electromagnetic tracking system and method using a single-coil transmitter
First Claim
1. An electromagnetic tracking system, said system comprising:
- a single coil transmitter generating a signal;
a receiver receiving said signal from said single coil transmitter, wherein said receiver comprises a twelve receiver circuit printed circuit board; and
electronics for processing said signal received by said receiver, said electronics determining a position of said single coil transmitter based at least in part on said signal,wherein four circuits include single spiral coils and eight circuits include pairs of spiral coils.
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Accused Products
Abstract
Certain embodiments of the present invention provide a system and method for electromagnetic tracking using a single-coil transmitter. The system includes a single coil transmitter emitting a signal, a receiver receiving a signal from the single coil transmitter, and electronics for processing the signal received by the receiver. The electronics determine a position of the single coil transmitter. The transmitter may be a wireless or wired transmitter. The receiver may be a printed circuit board. In an embodiment, the receiver may be a twelve receiver circuit printed circuit board including single coils and/or pairs of coils. The electronics may determine position, orientation, and/or gain of the transmitter.
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Citations
4 Claims
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1. An electromagnetic tracking system, said system comprising:
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a single coil transmitter generating a signal; a receiver receiving said signal from said single coil transmitter, wherein said receiver comprises a twelve receiver circuit printed circuit board; and electronics for processing said signal received by said receiver, said electronics determining a position of said single coil transmitter based at least in part on said signal, wherein four circuits include single spiral coils and eight circuits include pairs of spiral coils.
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2. An improved instrument tracking system, said system comprising:
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a single-coil wireless transmitter, wherein said transmitter is adapted to generate an electromagnetic field; a printed circuit board receiver array including a plurality of coils and coil pairs, wherein said receiver array is adapted to receive said electromagnetic field from said single-coil wireless transmitter; and tracker electronics for analyzing at least one parameter between said transmitter and said coils and coil pairs of said receiver array to determine a position of said transmitter in relation to said receiver array based at least in part on said electromagnetic field wherein said printed circuit board receiver array produces magnetic fields comprising; a mostly uniform field point in an X direction; a field varying mostly with X, pointed in the X direction; a field varying mostly with Y, pointed in the X direction; a field varying mostly with Z, pointed in the X direction; a mostly uniform field pointed in the Y direction; a field varying mostly with X, pointed in the Y direction; a field varying mostly with Y, pointed in the Y direction; a field varying mostly with Z pointed in the Y direction; a mostly uniform field pointed in the Z direction; a field varying mostly with X pointed in the Z direction; a field varying mostly with Y pointed in the Z direction; and a field varying mostly with Z pointed in the Z direction.
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3. An electromagnetic tracking system, said system comprising:
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a single coil transmitter emitting a signal; a receiver receiving a signal from said single coil transmitter, wherein said receiver comprises a twelve receiver circuit printed circuit board, and wherein four circuits include single spiral coils and eight circuits include pairs of spiral coils; and electronics for processing said signal received by said receiver, said electronics determining a position of said single coil transmitter.
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4. An improved instrument tracking system, said system comprising:
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a single-coil wireless transmitter; a printed circuit board receiver array including a plurality of coils and coil pairs, wherein said printed circuit board receiver array produces magnetic fields comprising; a mostly uniform field point in an X direction; a field varying mostly with X, pointed in the X direction; a field varying mostly with Y, pointed in the X direction; a field varying mostly with Z, pointed in the X direction; a mostly uniform field pointed in the Y direction; a field varying mostly with X, pointed in the Y direction; a field varying mostly with Y, pointed in the Y direction; a field varying mostly with Z pointed in the Y direction; a mostly uniform field pointed in the Z direction; a field varying mostly with X pointed in the Z direction; a field varying mostly with Y pointed in the Z direction; and a field varying mostly with Z pointed in the Z direction; and tracker electronics for analyzing at least one parameter between said transmitter and said coils and coil pairs of said receiver array to determine a position of said transmitter in relation to said receiver array.
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Specification