TY - PAT
T1 - Adaptive anti-scatter device
AU - Elenbaas, Thijs
AU - den Hartog, Markus Johannes Harmen
AU - Oliván Bescós, Javier
AU - Vogtmeier, Gereon
AU - van der Sterren, William Edward Peter
AU - Ruijters, Daniël Simon Anna
PY - 2021/11/4
Y1 - 2021/11/4
N2 - An adaptive X-ray anti-scatter device (20) for placement in the source-detector axis (22) of an X-ray imager (8) comprising:—an anti-scatter filter having a source orientable surface and a detector orientable surface, wherein the anti-scatter filter comprises a plurality of realignable slats (24) for absorbing incident X-rays, wherein the slats are separated by a plurality of interstitial portions (26); and—a first actively deformable member (26a) comprising a first set of one or more actively deformable actuators (28a, 28b) disposed across a first region of the first actively deformable member (26a), wherein one or more actively deformable actuators of the first set of one or more actively deformable actuators are configured to change the alignment of a corresponding of slat of the anti-scatter filter in relation to the source-detector axis, wherein at least a portion of each actuator of the first set of one or more actively deformable actuators is partially or fully recessed within the interstitial portions of the anti-scatter filter, and at least one actuator of the first set of one or more actively deformable actuators is in contact with at least one realignable slat of the plurality of slats, so that a deformation of the at least one actuator of the first set of one or more actively deformable actuators of the one or more actively deformable actuators causes a corresponding change to the alignment of the at least one corresponding slat from a first alignment to a second alignment relative to the source-detector axis.
AB - An adaptive X-ray anti-scatter device (20) for placement in the source-detector axis (22) of an X-ray imager (8) comprising:—an anti-scatter filter having a source orientable surface and a detector orientable surface, wherein the anti-scatter filter comprises a plurality of realignable slats (24) for absorbing incident X-rays, wherein the slats are separated by a plurality of interstitial portions (26); and—a first actively deformable member (26a) comprising a first set of one or more actively deformable actuators (28a, 28b) disposed across a first region of the first actively deformable member (26a), wherein one or more actively deformable actuators of the first set of one or more actively deformable actuators are configured to change the alignment of a corresponding of slat of the anti-scatter filter in relation to the source-detector axis, wherein at least a portion of each actuator of the first set of one or more actively deformable actuators is partially or fully recessed within the interstitial portions of the anti-scatter filter, and at least one actuator of the first set of one or more actively deformable actuators is in contact with at least one realignable slat of the plurality of slats, so that a deformation of the at least one actuator of the first set of one or more actively deformable actuators of the one or more actively deformable actuators causes a corresponding change to the alignment of the at least one corresponding slat from a first alignment to a second alignment relative to the source-detector axis.
M3 - Patent publication
M1 - US2021338183
ER -