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US 11,432,881 B2Granted
Image marker-based navigation using a tracking frame
AssigneeBrainlab AG
InventorsUlrike Winkler, Robert Essenreiter, Stefan Hofberger
Life of this patent
Estimating the term…
Abstract
Disclosed is a computer-implemented method for navigating an anatomical body part, a corresponding computer program, a non-transitory program storage medium storing such a program and a computer for executing the program, as well as a system for navigating the anatomical body part, the system comprising an electronic data storage device and the aforementioned computer, and to a system for conducting medical navigation.
Claims18
A system for conducting medical navigation, the system comprising:
- a registration frame;
- and
- a tracking frame comprising:
- i) a tracking marker array comprising at least three optical markers;
- ii) a tracking frame connector for connecting the tracking frame with the registration frame;
- and
- iii) a tracking frame image marker provided in or on the tracking frame connector,
- wherein the registration frame comprises:
- a patient support unit attachment portion for attaching the registration frame with a patient support unit;
- at least three registration frame image markers arranged in or on the registration frame;
- and
- a plurality of attachment parts for attaching the tracking frame with the registration frame,
- wherein the tracking marker array and the tracking frame connector comprise separate interlockable pieces,
- wherein the tracking frame connector of the tracking frame comprises a base part defining on an end thereof a through hole configured to selectively receive an associated fastener therethrough for fastening the tracking frame with a selected one of the plurality of attachment parts of the registration frame.
11 more elements
A system for conducting medical navigation, the system comprising:
- a registration frame;
- and
- a tracking frame comprising a tracking marker array comprising:
- at least three optical markers;
- a tracking frame connector for connecting the tracking frame with the registration frame;
- and
- a tracking frame image marker provided in or on the tracking frame connector,
- wherein the registration frame comprises:
- a patient support unit attachment portion for attaching the registration frame with a patient support unit;
- at least three registration frame image markers arranged in or on the registration frame;
- a plurality of attachment parts for attaching the tracking frame with the registration frame,
- a central base part;
- a plurality of side arms extending from the central base part;
- and
- a plurality of fixing parts comprising recesses defined in the plurality of side arms, wherein the recesses are configured to receive a housing protruding from a side of the tracking frame when the tracking frame is attached with the registration frame,
- wherein the tracking marker array and the tracking frame connector comprise separate interlockable pieces.
13 more elements
Dependencies are inferred from the claim text.