Registration method for navigation-guided medical interventions

Details Registration method for navigation-guided medical interventions Registration method for navigation-guided medical interventions

2005-02-08

2005-02-08

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

C378S205000

Reexamination Certificate

active

06851855

ABSTRACT:
In a registration method for navigation-guided medical interventions using a position acquisition system, an X-ray device and an X-ray calibration phantom having X-ray-positive marks, the coordinates of marks of the X-ray calibration phantom that are present in the measurement volume of the X-ray device and imaged in the reconstructed volume are determined in a coordinate system allocated to the measurement volume of the X-ray device) and in a coordinate system allocated to the position acquisition system. The coordinate transformation between the coordinate system allocated to the measurement volume and the coordinate system allocated to the position acquisition system is determined on the basis of the coordinates of the X-ray-positive marks in the coordinate system allocated to the measurement volume and on the basis of the coordinates of the X-ray-positive marks in the coordinate system allocated to the position acquisition system.

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“Optimal Configuration for Dynamic Calibration of Projection Geometry of X-Ray C-arm Systems,” Mitschke et al., IEEE 2000.

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