公开(公告)号：US20200349762A1

公开(公告)日：2020-11-05

申请号：US16935731

申请日：2020-07-22

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Julian Charles NOLAN ,  Matthew John LAWRENSON ,  Juergen WEESE

IPC: G06T17/20 ,  G06T7/149

Abstract: A system and method is provided for generating a finite element (FE) model of an anatomical structure based on a fitted model of the anatomical structure and association data. A segmentation model may be provided for segmenting the anatomical structure. Association data may be obtained which associates a segmentation model part of the segmentation model with a mesh property, the segmentation model part representing a pre-determined anatomical region of interest. The segmentation model may be applied to a medical image of a subject, thereby obtaining a fitted model providing a segmentation of the anatomical structure. The finite element model may then be generated based on the fitted model and the association data, said generating comprising meshing a finite element model part of the finite element model in accordance with the mesh property, the finite element model part corresponding with the pre-determined anatomical region of interest. Advantageously, this may result in an efficient generation of the FE model needing fewer manual iterations and/or alterations in the model or in the mesh.

公开(公告)号：US20160082287A1

公开(公告)日：2016-03-24

申请号：US14891074

申请日：2014-05-14

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Alfonso Agatino ISOLA ,  Christoph NEUKIRCHEN ,  Juergen WEESE ,  Matthieu Frédéric BAL

IPC: A61N5/10

CPC classification number: A61N5/1036 ,  A61N5/1045 ,  A61N5/1047 ,  A61N2005/1074

Abstract: The invention relates to a device for determining illumination distributions (18) for IMRT. A layered graph structure is used, which considers which extensions of an illumination distribution along a respective line and thus which illumination distributions are realizable, for determining extensions for the illumination distributions. Moreover, second weights defining fluences of the illumination distributions are determined such that a deviation between a provided fluence map and a fluence map formed by a combination of illumination distributions, which are defined by the respective determined extensions and the respective second weight, is minimized. This determination procedure leads to illumination distributions, which very well correspond to the provided fluence map and which are automatically realizable by the radiation device. This leads to an improved IMRT, wherein a post-processing of the determined illumination distributions for ensuring that the determined illumination distributions are really realizable is not necessarily required.

Abstract translation: 本发明涉及一种用于确定IMRT的照明分布（18）的装置。 使用分层图结构，其考虑沿着相应行的照明分布的哪些延伸，并且因此考虑哪些照度分布是可实现的，以确定照明分布的扩展。 此外，确定照明分布的通量的第二权重被确定为使得通过由相应的确定的扩展和相应的第二权重定义的由照明分布的组合形成的所提供的注量图与通量密度图之间的偏差被最小化。 该确定过程导致照明分布，其非常对应于所提供的注量图并且可由辐射装置自动实现。 这导致改进的IMRT，其中对确定的确定的照明分布真正可实现的所确定的照明分布的后处理不一定是必需的。

公开(公告)号：US20180333112A1

公开(公告)日：2018-11-22

申请号：US15777863

申请日：2016-11-25

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Frank Michael WEBER ,  Niels NIJHOF ,  Juergen WEESE

IPC: A61B6/12 ,  A61B8/12 ,  A61B8/00 ,  A61B8/08 ,  G06T17/00 ,  G06T7/33 ,  G06T19/20 ,  A61B6/00

CPC classification number: A61B6/12 ,  A61B6/4417 ,  A61B6/4441 ,  A61B6/487 ,  A61B6/5211 ,  A61B6/5223 ,  A61B6/5247 ,  A61B6/547 ,  A61B8/0841 ,  A61B8/085 ,  A61B8/0883 ,  A61B8/12 ,  A61B8/4245 ,  A61B8/4263 ,  A61B8/4416 ,  A61B8/466 ,  A61B8/483 ,  A61B8/5215 ,  A61B8/5261 ,  G06T7/344 ,  G06T7/75 ,  G06T17/00 ,  G06T19/20 ,  G06T2207/10116 ,  G06T2207/10132 ,  G06T2207/20212 ,  G06T2207/30048 ,  G06T2210/41 ,  G06T2219/2016

Abstract: The present invention relates to a system for tracking the position of an ultrasonic probe in a body part. It is described to acquire (110) an X-ray image of a portion of a body part within which an ultrasonic probe (20) is positioned. First geometrical positional information of the ultrasonic probe in the portion of the body part is determined (120), utilizing the X-ray image. At least one ultrasonic image comprising a part of a body feature with the ultrasonic probe is acquired (130), the acquiring (130) comprising acquiring (140) an ultrasonic image of the at least one ultrasonic image at a later time than a time of acquisition of the X-ray image. Second geometrical positional information of the ultrasonic probe in the body part at the later time is determined (150), comprising utilizing the first geometrical positional information and the at least one ultrasonic image comprising the part of the body feature.

公开(公告)号：US20190005737A1

公开(公告)日：2019-01-03

申请号：US16066736

申请日：2016-12-29

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Vincent Maurice André AUVRAY ,  Romane Isabelle Marie-Bernard GAURIAU ,  Raoul FLORENT ,  Alexandra GROTH ,  Juergen WEESE

IPC: G06T19/20 ,  G06T11/00 ,  G16H30/20 ,  G16H15/00 ,  A61B6/00

Abstract: The present invention relates to an apparatus for providing a synthetic representation of a vascular structure. It is described to provide (210) at least one 2D X-ray image comprising 2D X-ray image data of a vascular structure of a patient's body part is provided. A 3D model of the body part is provided (220), the 3D model comprising a 3D modelled vascular structure. A 2D projection of the 3D model of the body part is determined (230), the 2D projection of the 3D model of the body part comprising a 2D projection of the 3D modelled vascular structure. The 3D model of the body part is transformed (240). The transform of the 3D model of the body part comprises a determination of the pose of the 3D model of the body part such that a 2D projection of the 3D modelled vascular structure associated with the transformed 3D model of the body part is representative of the 2D X-ray image data of the vascular structure of the patient's body part. A medical report is generated (250) based on information determined from the 3D model.

公开(公告)号：US20190019347A1

公开(公告)日：2019-01-17

申请号：US16066424

申请日：2016-12-21

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Vincent Maurice André AUVRAY ,  Raoul FLORENT ,  Romane Isabelle Marie-Bernard GAURIAU ,  Alexandra GROTH ,  Juergen WEESE

IPC: G06T19/20 ,  G06T7/00 ,  G06T7/33 ,  G06T7/73

Abstract: The present invention relates to an apparatus for providing a patient specific 3D model of a body part. It is described to provide (210) at least one 2D X-ray image comprising 2D X-ray image data of a vascular structure of a patient's body part. A 3D model of the body part is provided (220), the 3D model comprising a 3D modelled vascular structure, wherein at least one parameter commands an appearance of the 3D modelled vascular structure. The 3D modelled vascular structure is confronted (230) with the 2D X-ray image data of the vascular structure to determine the at least one parameter. The 3D model is updated (240) as a function of the determined at least one parameter. A medical report is generated (250) based on information determined from the 3D model.