Image guided surgery system including a unit for transforming pa

Details Image guided surgery system including a unit for transforming pa Image guided surgery system including a unit for transforming pa

1996-10-30

1999-05-11

Smith, Ruth S.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600429, 606130, A61B5/00

Patent

active

059022396

ABSTRACT:
An image guided surgery system includes a position detection system which has a camera unit (1) and which measures positions of markers on the patient (12) and of a surgical instrument (11). The image guided surgery system also includes a transformation unit (30) which automatically derives the mapping associated with imaging of the patient. The imaging is for example performed by way of x-ray computed tomography or magnetic resonance imaging. The transformation unit (30) is arranged to match positions on the patient (12) to positions in the image. To that end the transformation unit computes the minimum of a cost function.

REFERENCES:
patent: 5186174 (1993-02-01), Schlondorff et al.
patent: 5243984 (1993-09-01), Ogura et al.
patent: 5309913 (1994-05-01), Kormos et al.
"An Automatic Registration Method For Frameless Stereotaxy, Image Guided Surgery, And Enhanced Reality Visualization", W.E.L. Grimson, IEEE Transactions On Medical Imaging, vol. 15, No. 2, Apr. 1996.

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