US 7,502,437 B2
Focused coherent-scatter computer tomography
Jens-Peter Schlomka, Hamburg (Germany); and Michael Wilhelm Paul Dargatz, Hamburg (Germany)
Assigned to Koninklijke Philips Electronics N.V., Eindhoven (Netherlands)
Appl. No. 10/598,568
PCT Filed Mar. 01, 2005, PCT No. PCT/IB2005/050735
§ 371(c)(1), (2), (4) Date Sep. 05, 2006,
PCT Pub. No. WO2005/087106, PCT Pub. Date Sep. 22, 2005.
Claims priority of application No. 04100980 (EP), filed on Mar. 10, 2004.
Prior Publication US 2007/0172022 A1, Jul. 26, 2007
Int. Cl. A61B 6/00 (2006.01); G01N 23/00 (2006.01)
U.S. Cl. 378—7  [378/6] 14 Claims
OG exemplary drawing
 
1. Coherent scatter computer tomography apparatus for examination of an object of interest, comprising:
a source of radiation;
a first radiation detector; and
a second radiation detector; wherein the source of radiation generates a radiation beam adapted to penetrate the object of interest in a fan plane and wherein the source of radiation is inclined with respect to the fan plane; wherein the coherent scatter computer tomography apparatus further comprises a collimator arranged between the source of radiation and the object of interest, wherein the collimator comprises a plurality of collimator portions that collimate the radiation beam in a direction substantially perpendicular to the fan plane, wherein the first radiation detector is arranged opposite to the source of radiation in the fane plane; wherein the first radiation detector is arranged to detect a first radiation of the collimated radiation beam; wherein the second radiation detector is arranged opposite to the source of radiation with an offset from the fan plane in a direction normal to the fan plane; wherein the second radiation detector is arranged to detect a second radiation of the collimated radiation beam scattered from a location in the object of interest; wherein at the location, the second radiation has a dimension in the direction normal to the fan plane; wherein a scatter angle between photons of the second radiation scattered at the location along the dimension from the fan plane is constant.