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US 2009/0292201 A1Published application
Coordinate system registration
AssigneeKoninklijke Philips Electronics N.V.
InventorJochen Kruecker
Life of this patent
Estimating the term…
Abstract
A system includes a component that updates a registration between an image space coordinate system and an interventional space coordinate system based on interventional device position information within a patient obtained from intermediate image data indicative of the interventional device location and a position sensor (160) that is located on an interventional device (156) within the patient.
Claims27
An interventional system that employs medical imaging data as a guide for advancing an interventional device, comprising:
- a registration component that updates a registration between an image space coordinate system and an interventional space coordinate system based on interventional device position information within a patient obtained from intermediate image data indicative of the interventional device location and a position sensor (160) that is located on an interventional device (156) within the patient.
A system, comprising:
- a first component that registers an image space coordinate system and an interventional space coordinate system based on a spatial location of at least three fiducial markers identified within image data and the spatial coordinates of the at least three fiducial markers spatially identified on a patient with a position measurement device (168);
- and
- a second component that uses interventional device position information obtained from an intermediate image generated from image data acquired after the interventional device is advanced into the patient to update a position measurement performed by the position measurement device.
A method, comprising:
- registering an image space coordinate system with an interventional system coordinate system based on fiducial marker position information for a plurality of fiducial markers;
- and
- updating the registration based on interventional device position information obtained from an intermediate image, interventional device position information obtained from an electromagnetic sensor located on the interventional device, and a spatial location of the at least three fiducial markers, wherein the interventional device position information obtained from the intermediate image and the electromagnetic sensor is acquired after advancing the interventional device along a path within the patient.
A system, comprising:
- means for registering an image space coordinate system with an interventional system coordinate system based on fiducial marker position information for a plurality of fiducial markers;
- and
- means for updating the registration based on interventional device position information obtained from an intermediate image and interventional device position information obtained from an electromagnetic sensor on the interventional device and a spatial location of the plurality of fiducial markers.
Dependencies are inferred from the claim text.