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US 10,765,483 B2Granted
Navigation system and method
AssigneeMedtronic Navigation, Inc.
InventorsBrad Jacobsen, Andrew Bzostek, Danail G. Danailov, Andrew Wald
Life of this patent
Estimating the term…
Abstract
Disclosed is a localizer system. The localizer system may be incorporated into a navigation system for tracking a tracking device. Generally, the localizer may include a transmitting coil array and a field shaping assembly.
Claims32
A method of shaping a field with a system, comprising:
- forming a field shaping assembly, comprising:
- providing a conductive member having a first surface with a first area;
- and
- positioning a first magnetic permeable member having a second surface with a second surface area spaced a selected distance from the provided conductive member;
- positioning a transmitting coil array including at least one coil of conductive material operable to generate a transmitted magnetic field a distance from the positioned first magnetic permeable member;
- and
- transmitting a magnetic field with the transmitting coil array to cooperate with the field shaping assembly to generate a selectively diverse field;
- wherein the selectively diverse field includes a first vector of a first component of the transmitted magnetic field that is at an angle of about 50 degrees to about 90 degrees apart relative to a second vector of a second component of an induced magnetic field.
5 more elements
A method of shaping a field with a system, comprising:
- forming a field shaping assembly, comprising:
- providing a conductive member having a first surface with a first area;
- positioning a first magnetic permeable member having a second surface with a second surface area spaced a selected distance from the provided conductive member;
- positioning a second magnetic permeable member having a third surface with a third surface area relative to the conductive member;
- wherein conductive member is positioned between the first magnetic permeable member and second magnetic permeable member;
- positioning a transmitting coil array including at least one coil of conductive material operable to generate a transmitted magnetic field a distance from the positioned first magnetic permeable member;
- and
- transmitting a magnetic field with the transmitting coil array to cooperate with the field shaping assembly to generate a selectively diverse field.
5 more elements
A method of shaping a field with a system, comprising:
- forming a field shaping assembly, comprising:
- providing a conductive member having a first surface with a first area;
- positioning a first magnetic permeable member having a second surface with a second surface area spaced a selected distance from the provided conductive member;
- positioning a second magnetic permeable member having a third surface with a third surface area;
- wherein the first surface area is greater than a combined surface area of the second surface area and the third surface area;
- wherein the first magnetic permeable member and second magnetic permeable member are both positioned on a single side of the conductive member;
- positioning a transmitting coil array including at least one coil of conductive material operable to generate a transmitted magnetic field a distance from the positioned first magnetic permeable member;
- and
- transmitting a magnetic field with the transmitting coil array to cooperate with the filed shaping assembly to generate a selectively diverse field.
6 more elements
A method of shaping a field with a system, comprising:
- positioning a transmitting member relative to a first side of a first magnetic permeable member;
- positioning a conductive member relative to a second side of the first magnetic permeable member opposite the transmitting member;
- positioning a second magnetic permeable member relative to a second side of the conductive member opposite the first magnetic permeable member;
- wherein the conductive member is placed between the first magnetic permeable member and the second magnetic permeable member;
- and
- transmitting a transmitted field with the transmitting member;
- wherein a current is induced in the conductive member;
- wherein an induced field is generated in the conductive member due to the induced current;
- wherein the transmitted field and the induced field form a diverse field.
6 more elements
A method of shaping a field with a system, comprising:
- positioning a transmitting member relative to a first side of a first magnetic permeable member;
- positioning a conductive member relative to a second side of the first magnetic permeable member opposite the transmitting member;
- and
- transmitting a transmitted field with the transmitting member;
- wherein a current is induced in the conductive member;
- wherein an induced field is generated in the conductive member due to the induced current;
- wherein the transmitted field and the induced field form a diverse field;
- wherein the diverse field includes a first vector of a first component of the transmitted field that is diverse from a second vector of a second component of the induced field.
5 more elements
A method of shaping a field with a system, comprising:
- positioning a transmitting member relative to a first side of a first magnetic permeable member;
- positioning a conductive member relative to a second side of the first magnetic permeable member opposite the transmitting member;
- positioning a second magnetic permeable member relative to a single side of the conductive member;
- spacing the first magnetic permeable member apart from the second magnetic permeable;
- and
- transmitting a transmitted field with the transmitting member;
- wherein a current is induced in the conductive member;
- and
- wherein an induced field is generated in the conductive member due to the induced current;
- wherein the transmitting member cooperates with the positioned first magnetic permeable member and the positioned conductive member to form a diverse field.
7 more elements
A method of shaping a field with a system, comprising:
- positioning a transmitting member relative to a first side of a first magnetic permeable member;
- positioning a conductive member relative to a second side of the first magnetic permeable member opposite the transmitting member;
- forming a structural member having a first structural member surface;
- forming the first structural member surface to include:
- a first pocket having a first dimension configured to receive the first magnetic permeable member;
- and
- a receiving area configured to receive the conductive member;
- wherein the conductive member is positioned to sandwich the first magnetic permeable member between the conductive member and the first structural member surface;
- and
- transmitting a transmitted field with the transmitting member;
- wherein a current is induced in the conductive member;
- and
- wherein an induced field is generated in the conductive member due to the induced current;
- wherein the transmitting member cooperates with the positioned first magnetic permeable member and the positioned conductive member to form a diverse field.
11 more elements
Dependencies are inferred from the claim text.