X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1980-04-21
1983-08-23
Smith, Alfred E.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378163, 33174D, G01N 2302
Patent
active
044008198
ABSTRACT:
Means for locating accurately without ambiguity tomodensitometric sections sloping in any way with respect to an original predetermined plane. At least one locating element is disposed on the part to be examined by conventional tomodensitometry, this element having a baseline situated in the original plane and having at least one characteristic such as density, varying continuously or substantially continuously along a direction perpendicular to this baseline, the variation of this characteristic being measurable on the tomodensitometric images of the different sections; this characteristic may be in particular a dimension of the element: width perpendicular to the direction perpendicular to the base in the case where the element is a triangle.
REFERENCES:
patent: 3307262 (1967-03-01), Chaiken
patent: 3714428 (1973-01-01), Gasaway
patent: 3952194 (1976-04-01), Bayonnet
patent: 4144460 (1979-03-01), Norman
patent: 4174481 (1979-11-01), Liebetruth
patent: 4319136 (1982-03-01), Jinkens
Bens Jean
Bloch Marcel
Chekroun Rene
Klausz Remy
Compagnie Generale de Radiologie
Fields Carolyn E.
Smith Alfred E.
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