Tracking system to follow the position and orientation of a devi

Details Tracking system to follow the position and orientation of a devi Tracking system to follow the position and orientation of a devi

1993-07-14

1995-01-03

Pfaffle, Krista M.

Surgery

Truss

Pad

1286532, 128899, 378 63, A61B 500, A61B 600

Patent

active

053776780

ABSTRACT:
A tracking system in which radiofrequency signals emitted by an invasive device such as a catheter, are detected and used to measure the position and orientation of the invasive device. The invasive device has a transmit coil attached near its end and is driven by a low power RF source to produce a dipole electromagnetic field that can be detected by an array of receive coils distributed around a region of interest. The position and orientation of the device as determined by the tracking system are superimposed upon independently acquired Medical Diagnostic images, thereby minimizing the radiographic exposure times. One or more invasive devices can be simultaneously tracked.

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