Apparatus and method for detection and localization of a biopsy

Details Apparatus and method for detection and localization of a biopsy Apparatus and method for detection and localization of a biopsy

1997-09-22

1999-07-27

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

600424, G01N 2304

Patent

active

059303298

ABSTRACT:
A method for the detection and localization of a surgical tool in a radiographic image, including an image of a surgical device and an anatomical background image, includes the steps of generating a radiographic reference image, including an image of a surgical device and an anatomical background image and applying an oscillating movement to the device. The method further includes the steps of generating a number k of radiographic images during the oscillating movement; subtracting each image from the reference image, so as to generate a difference image; and deriving the mathematical intersection of all of the reference images, whereby a resulting image results including only the image of the device on the radiographic reference image and substantially without the anatomical background image.

REFERENCES:
patent: 4626908 (1986-12-01), Tani
patent: 5810728 (1998-09-01), Kuhn

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