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US 2015/0031985 A1Published application
Method and Apparatus for Moving a Reference Device
AssigneeMedtronic Navigation, Inc.
InventorsRobert J. REDDY, Robert Teichman
Life of this patent
Estimating the term…
Abstract
Disclosed is a method and system for navigating an instrument relative to a subject. A reference device can be associated with the subject. The reference device can be moved while maintaining or allowing registration with an image space.
Claims25
A method of maintaining a registration of a subject space to an image space, comprising:
- determining an adjustment factor of moving a tracking device of a dynamic reference frame from a first position relative to a subject to a second position relative to the subject;
- and
- applying the adjustment factor to the registration of the subject space to the image space to maintain the registration.
A method of maintaining a registration of a subject space to an image space, comprising:
- fixing a mounting portion of a dynamic reference frame to a subject;
- placing a tracking device at a first configuration relative to the fixed mounting portion;
- operating a navigation system to register the subject space to the image space;
- moving the tracking device to a second configuration relative to the fixed mounting portion;
- operating a processor to determine an adjustment factor that defines a difference between the first configuration and the second configuration;
- and
- operating the navigation system to apply the adjustment factor to the registration of the subject space to the image space to maintain the registration.
4 more elements
A system for maintaining a registration of a subject space to an image space, comprising:
- a dynamic reference frame having a tracking device and a mounting portion configured to be fixed to a subject, wherein the tracking device is configured to be placed in a first configuration relative to the mounting portion and second configuration relative to the mounting portion;
- and
- a processor system configured to:
- register the subject space to the image space;
- determine an adjustment factor that defines a difference between the first configuration and the second configuration;
- and
- apply the adjustment factor to the registration of the subject space to the image space to maintain the registration.
4 more elements
Dependencies are inferred from the claim text.