DIGITIZER CALIBRATION CHECK

A method for verifying the calibration of a digitizer during a computer-assisted medical procedure is provided utilizing a tracked digitizer and a secondary tracking array (e.g., a bone tracking array). A medical system for performing the computerized method for verifying the calibration of a digiti...

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Bibliographische Detailangaben
Hauptverfasser:	BONNY, Daniel, P, HENDERSON, Steve
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A method for verifying the calibration of a digitizer during a computer-assisted medical procedure is provided utilizing a tracked digitizer and a secondary tracking array (e.g., a bone tracking array). A medical system for performing the computerized method for verifying the calibration of a digitizer during a computer-assisted medical procedure is provided. A method for verifying the calibration of a tracking array relative to a feature with the system includes a first calibration definition and a second calibration definition transmitted to the tracking system. A first feature and a second feature together are assembled. The calibration is verified by computing the deviations between the tracked position of the first feature and the tracked position of the second feature using: a recorded position and orientation of the first and second tracking array, and the uploaded first calibration definition and the uploaded second calibration definition.