X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1986-06-18
1988-08-16
Eley, Timothy V.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378205, 29407, A61B 608
Patent
active
047649445
ABSTRACT:
Procedure for positioning a small internal portion of a body at a predetermined point relative to an external source of shock waves or the like, for treatment of the positioned body portion, wherein a volume of the body including the body portion is imaged with penetrating radiation by each of two detectors respectively aligned with viewing axes intersecting at the predetermined point; the coordinates of the body portion on each of the two images thus produced are measured and corrected for imaging distortions; from these corrected coordinates, there is derived a set of three-dimensional spatial coordinates for the body portion, defining a displacement vector giving the magnitude and direction of body motion required to position the body portion at the predetermined point; and the body is displaced with a resultant motion of that magnitude and direction.
REFERENCES:
patent: 4118631 (1978-10-01), Froggatt
patent: 4297582 (1981-10-01), Schweirz et al.
patent: 4455667 (1984-06-01), Schweirz et al.
patent: 4573179 (1986-02-01), Rutt
patent: 4583242 (1986-04-01), Vinegar et al.
patent: 4633494 (1986-12-01), Klausz
Eley Timothy V.
University of Florida
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