公开(公告)号：US10881365B2

公开(公告)日：2021-01-05

申请号：US16099285

申请日：2017-05-12

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Gereon Vogtmeier ,  Klaus Juergen Engel ,  Michael Grass ,  Bernd Menser ,  Heidrun Steinhauser ,  Alberto Fazzi ,  Herman Stegehuis ,  Dirk Schaefer

IPC: A61B6/00

Abstract: An interventional X-ray system is proposed, the system including a multi X-ray source unit positioned below a patient table. This ‘multiblock’ may comprise several x-ray sources with focal spot positions distributed along the x-y (table) plane. The x-ray sources are operable in a switching scheme in which certain x-ray sources may be activated in parallel and also sequential switching between such groups is intended. The switching may be carried out so that several images with different projection angles can be acquired in parallel. In other words, an optimal multi-beam X-ray exposure is suggested, wherein fast switching in one dimension and simultaneous exposure in the 2nd dimension is applied.

公开(公告)号：US11428830B2

公开(公告)日：2022-08-30

申请号：US16959542

申请日：2018-12-31

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Peter George Van De Haar ,  Walter Ruetten ,  Heidrun Steinhauser ,  Herman Stegehuis ,  Onno Jan Wimmers

IPC: G01T1/20 ,  G01T1/29 ,  G01T1/202

Abstract: An X-ray detector is positioned relative to an X-ray source such that at least a part of a region between the X-ray source and the X-ray detector is an examination region for accommodating an object. The X-ray source and X-ray detector are controlled by a processing unit in order to operate in a first imaging operation mode, a second imaging operation mode, and/or a third imaging operation mode. The detector comprises a first scintillator, a second scintillator, a first sensor array, and a second sensor array. The first scintillator is disposed over the second scintillator such that X-rays emitted from the X-ray source first encounter the first scintillator and then encounter the second scintillator.

公开(公告)号：US10942282B2

公开(公告)日：2021-03-09

申请号：US16329824

申请日：2017-09-06

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Herfried Karl Wieczorek ,  Johannes Wilhelmus Maria Jacobs ,  Herman Stegehuis ,  Alessandro Radaelli ,  Christiaan Kok ,  Peter Lex Alving

IPC: G01T1/20 ,  G01T1/164 ,  A61B6/00 ,  A61B6/03 ,  G01T1/161 ,  A61B6/06

Abstract: The invention relates to a combined imaging detector for detection of gamma and x-ray quanta comprising an x-ray detector (31) for generating x-ray detection signals in response to detected x-ray quanta and a gamma detector (32) for generating gamma detection signals in response to detected gamma quanta. The x-ray detector (31) and the gamma detector (32) are arranged in a stacked configuration along a radiation-receiving direction (33). The gamma detector (32) comprises a gamma collimator plate (320) comprising a plurality of pinholes (321), and a gamma conversion layer (322, 324) for converting detected gamma quanta into gamma detection signals.

公开(公告)号：US10788595B2

公开(公告)日：2020-09-29

申请号：US16078811

申请日：2017-02-21

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Peter Lex Alving ,  Heidrun Steinhauser ,  Herman Stegehuis

IPC: G01T1/29 ,  A61B6/00 ,  G01T1/20 ,  G01T1/24 ,  G01N23/04 ,  G01N23/083 ,  H04N5/32 ,  H04N5/3745

Abstract: The present invention relates to an apparatus for imaging an object. It is described to receive (110) by at least a portion of first pixels of a first area (A, A1, A2, A3, A4, A5, A6, A7, A8) of an X-ray detector (20) first radiation emitted by at least one X-ray source (30). The X-ray detector is configured such that X-ray radiation received by a pixel leads to the generation of signal in that pixel. A plurality of first signals representative of corresponding signals on the plurality of first pixels are stored (120) in at least one first plurality of storage nodes associated with the first area. Second radiation emitted by the at least one X-ray source (30) is received (150) by at least a portion of second pixels of a second area (B, B1, B2, B3, B4, B5, B6, B7, B8; C) of the X-ray detector. A plurality of second signals representative of corresponding signals on the plurality of second pixels are stored (190) in at least one second plurality of storage nodes associated with the second area.

公开(公告)号：US10709395B2

公开(公告)日：2020-07-14

申请号：US16315712

申请日：2017-07-05

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Herman Stegehuis ,  Heidrun Steinhauser

IPC: A61B6/10 ,  A61B6/00 ,  G21F3/00

Abstract: A radiation system (50), comprising a patient support platform (3). An X-ray radiation source (2a, 2b, 2c) is positioned beneath the patient support platform and enclosed by fixed radiation shielding. An X-ray radiation detector (22) is positioned above the patient support platform. A detector X-ray radiation shield (1, 11) comprising shield extension (7) is arranged on either side of the patient support platform, which extend from the X-ray radiation 5 detector to the fixed radiation shielding. The shield extensions are able to be moved relative to the source radiation shield to allow access to a patient on the support platform.

公开(公告)号：US10371830B2

公开(公告)日：2019-08-06

申请号：US15763489

申请日：2016-10-14

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Johannes Wilhelmus Maria Jacobs ,  Jorrit Jorritsma ,  Heidrun Steinhauser ,  Onno Jan Wimmers ,  Peter Lex Alving ,  Herman Stegehuis ,  Herfried Karl Wieczorek

IPC: G01T1/00 ,  G01T1/20 ,  G01T1/161 ,  G01T1/164 ,  G01T1/202

Abstract: A radiation detector for combined detection of low-energy radiation quanta and high-energy radiation quanta has a multi-layered structure. A rear scintillator layer (5) is configured to emit a burst of scintillation photons responsive to a high-energy radiation quantum being absorbed by the rear scintillator layer (5). A rear photosensor layer (6) attached to a back side of the rear scintillator layer (5) is configured to detect scintillation photons generated in the rear scintillator layer (5). A front scintillator layer (3) arranged in front of the rear scintillator layer (5) opposite the rear photosensor layer (6) is configured to emit a burst of scintillation photons responsive to a low-energy radiation quantumbeing absorbed by the front scintillator layer (3). A front photosensor layer (2) attached to a front side of the front scintillator layer (3) opposite the rear scintillator layer (5) is configured to detect scintillation photons generated in the front scintillator layer (3). The high-energy radiation quantum is a gamma ray and the low-energy radiation quantum is an X-ray.