Method for localization of a biopsy needle or similar surgical t

Details Method for localization of a biopsy needle or similar surgical t Method for localization of a biopsy needle or similar surgical t

1997-09-22

2000-04-25

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

378 9812, 382130, 606130, A61B 600

Patent

active

060554495

ABSTRACT:
A method for detection and localization of a surgical device in a radiographic image of the surgical device, includes the steps of: generating a radiographic image, including an image of a surgical device and an anatomical background image; moving the device rotatably through a plurality of positions corresponding to steps of an alignment method; generating a plurality of radiographic images corresponding to the plurality of positions, respectively; subtracting each image of the plurality of images from preceding images so as to generate a plurality of difference images; deriving the mathematical intersection of all of the plurality of difference images; and thereby obtaining a resulting image containing only an image of the device on the radiographic image without the anatomical background image.

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