Method of localization

Details Method of localization Method of localization

1984-11-13

1988-02-23

Howell, Janice A.

X-ray or gamma ray systems or devices

Accessory

Alignment

378 37, 378 41, 378163, H05G 530

Patent

active

047275650

ABSTRACT:
The disclosure relates to a method for localizing the three-dimensional position of a spot in an object in conjunction with X-ray exposure of the object, in which the object is fixed in a pre-determined position and is exposed by means of an exposure apparatus in two directions each on either side of a center line at a right angle to the plane of the image for obtaining a first print and a second print, the two-dimensional position of the target spot on the two prints being established in relation to an index on the prints, and the coordinates of the spot in relation to the indices being processed to obtain control signals for adjustment of a guidance instrument with means for placing in the target spot in the object.

REFERENCES:
patent: 3577160 (1971-05-01), White
patent: 3711712 (1973-01-01), McLaren
patent: 4007732 (1977-02-01), Kvavle et al.
patent: 4099880 (1978-07-01), Kano
Bjorn Nordenstrom, Hakan Ryden, and Gunilla Svane, Chapter 5: "Breast" In: Jesus Zornoza, ed., Percutaneous Needle Biopsy (Williams & Wilkins, 1981), pp. 43-51.
Rauf Yagan, Ernest Wiesen, Errol M. Bellon, "Mammographic Needle Localization of Lesions Seen in Only One View", AJR, vol. 144 (May 1985), pp. 911-916.
Rauf Yagan, Ernest J. Wiesen, Errol M. Bellon, "Breast Lesion Localization in a Single Position" presented in part at the National Conference on Breast Cancer, Honolulu, Hawaii, USA (Mar. 1984), 12 pages.

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