1
Kenneth F Defreitas, Anthony Pellegrino, Thomas A Farbizio, Roman Janer, Georgia Hitzke: Mammography system and method employing offset compression paddles, automatic collimation, and retractable anti-scatter grid. Hologic, Cooper & Dunham, October 28, 2008: US07443949 (48 worldwide citation)

A mammographic imaging system (1) is optimizd for use with a single fixed size flat panel digital image receptor (5). It accommodates compression devices (paddles) of varying sizes, and positions them properly in the field of view of the image receptor (5). When a compression paddle (2) with size sm ...


2
William McGann, Kenneth Ribeiro: High angular resolution x-ray collimator. Ion Track Instruments, Hamilton Brook Smith & Reynolds, November 16, 1993: US05263075 (47 worldwide citation)

A method of producing a high angular resolution collimator implemented in an inspection system for detecting the presence of selected crystalline materials, such as explosives or drugs. The system includes an x-ray source and an array of energy dispersive detectors to sense radiation scattered by th ...


3
Kenneth F Defreitas, Anthony Pellegrino, Thomas A Farbizio, Roman Janer, Georgia Hitzke: Mammography system and method employing offset compression paddles, automatic collimation, and retractable anti-scatter grid. Hologic, Cooper & Dunham, January 15, 2008: US07319735 (44 worldwide citation)

A mammographic imaging system is optimized for use with a single fixed size flat panel digital image receptor. It accommodates compression devices (paddles) of varying sizes, and positions them properly in the field of view of the image receptor. When a compression paddle with size smaller than the ...


4
Andrew P Tybinkowski, Michael J Duffy, Lidia Nemirovsky, Eric M Bailey: X-ray collimator. Analogic Corporation, McDermott Will & Emery, May 28, 2002: US06396902 (38 worldwide citation)

A collimator having slits of varied widths, wherein each slit includes a curved side profile having a common axis of curvature for providing a cross-section of an emitted beam of energy with a substantially uniform width when the common axis of curvature of the slit intersects a focal spot of a sour ...


5
Ching Yeu Wei, Robert F Kwasnick, George E Possin: X-ray collimator. General Electric Company, Donald S Ingraham, Marvin Snyder, July 27, 1993: US05231655 (36 worldwide citation)

A collimator for use in an imaging system with a radiation point source is formed from a plurality of collimator plates stacked together. Passages in each collimator plate in conjunction with the respective passages in adjoining plates form a plurality of channels through the collimator. The channel ...


6
Ching Yeu Wei, Robert F Kwasnick, George E Possin: X-ray collimator. General Electric Company, Donald S Ingraham, Marvin Snyder, March 8, 1994: US05293417 (31 worldwide citation)

A collimator for use in an imaging system with a radiation point source is formed from a plurality of collimator plates stacked together. Passages in each collimator plate in conjunction with the respective passages in adjoining plates form a plurality of channels through the collimator. The channel ...


7
Andrew P Tybinkowski, Lidia Nemirovsky, Michael J Duffy, Jack M Tybinkowski: Adjustable x-ray collimator. Analogic Corporation, McDermott Will & Emery, September 10, 2002: US06449340 (28 worldwide citation)

The present disclosure provides an adjustable collimator for collimating a beam of energy emitted from a focal spot of a beam source. The collimator is particularly intended for collimating an x-ray beam of a computed tomography scanner after the x-ray beam has passed through a patient being scanned ...


8
Eric C Cheetham: Apparatus and method for X-ray beam alignment. January 17, 1984: US04426726 (27 worldwide citation)

An apparatus and method are disclosed for aligning the center of an X-ray beam with both a reference point on a patient and the center of the X-ray film holder. An X-ray collimator is provided with a visible light source and two fan beam assemblies which provide two fan beam planes. The fan beam pla ...


9
Arthur N Carson: X-Ray collimator, particularly for use in computerized axial tomography apparatus. U S Philips Corporation, Thomas A Briody, Robert T Mayer, Jack E Haken, July 7, 1981: US04277684 (22 worldwide citation)

An X-ray collimator for use in computerized axial tomography apparatus includes a plurality of substantially parallel X-ray absorbing laminae disposed in the plane of a wedge-shaped X-ray beam. The length and position of each lamina with respect to a divergent X-ray source is chosen to maximize the ...


10
Lars Stodberg, Hans Sjostrom: X-ray collimator comprising light beam localizer with lens system. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, September 11, 1979: US04167675 (21 worldwide citation)

In the illustrated embodiment, the light source utilized to mark the x-ray beam is a halogen lamp with a small focus, an optical lens system being provided for concentrating the light beam on an operative portion of a light reflective mirror so as to amplify the light intensity of the beam reflected ...