Integrated Navigation Array
AssigneeMedtronic Navigation, Inc.
InventorsAndrew Bzostek, Brad Jacobsen
Life of this patent
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Abstract
Disclosed is a method and system for navigating an instrument relative to a configurable theater system. The configurable theater instrument can be any instrument positioned in a theater that is configured to have more than one position. A localizer can generate an electromagnetic field that is sensed by a tracking device to determine a location of the tracking device with the sensed electromagnetic field.
Claims37
A system to diminish the effects of distortion of a configurable theater system, comprising:
- a configurable theater system having a plurality of members including at least a first member moveable relative to a second member;
- a localizer fixedly connected relative to the configurable theater system at a single selected location, wherein the localizer is configured to generate an undistorted electromagnetic field;
- and
- a processor system configured to recall from a memory system a distorted field parameter based on a configuration of the configurable theater system that forms a distorted field that distorts the undistorted electromagnetic field.
A method of tracking a tracking device, comprising:
- positioning a tracking device to sense a navigation field;
- operating a localizer to generate an electromagnetic field, wherein the generated electromagnetic field can be affected by a configurable theater system to form a navigation field that is distorted from the generated electromagnetic field;
- and
- operating a processor system to determine a location of a tracking device that is sensing the navigation field that is the distorted generated electromagnetic field.
A system to diminish the effects of distortion of a configurable theater system, comprising:
- a configurable theater system having:
- a first member formed of a first material, and
- a second member moveable relative to the first member and formed of a second material,
- wherein the first member and the second member are configured to be moved relative to one another to generate a plurality of configurations of the configurable theater system;
- a localizer immoveably connected to the configurable theater system at a single selected location, wherein the localizer is configured to generate an undistorted electromagnetic field that is distorted by at least one of the first member or the second member of the configurable theater system;
- a memory system having stored thereon at least one distorted field parameter for each configuration of the plurality of configurations to define a distorted field that is distorted by the configurable theater system;
- and
- a processor system configured to recall from the memory system the at least one distorted field parameter based on a configuration of the configurable theater system.
A method to diminish the effects of distortion of a configurable theater system, comprising:
- storing in a memory system at least one distorted field parameter defining a distorted field for each configuration of a plurality of configurations of a configurable theater system to define a distorted field that is distorted by the configurable theater system;
- determining a current configuration of the plurality of configurations of the configurable theater system;
- and
- recalling with a processor system from the memory system the at least one distorted field parameter.
Dependencies are inferred from the claim text.