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Device and method for generating soft tissue contrast images

A soft tissue, contrast technique used in instruments for radiological diagnosis, material analysis using radiation diffraction, applications, etc.

Inactive Publication Date: 2012-07-18
KONINKLIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, one of the weaknesses of CT is the discrimination of soft tissues

Method used

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  • Device and method for generating soft tissue contrast images
  • Device and method for generating soft tissue contrast images
  • Device and method for generating soft tissue contrast images

Examples

Experimental program
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Embodiment Construction

[0045] figure 1 A first embodiment of the device according to the invention is shown. In this embodiment, the mechanical layout is similar to conventional CT imaging devices. The device comprises a gantry 1 which is rotatable about an axis of rotation R extending parallel to the z-direction. A radiation source unit including an X-ray source 2 such as an X-ray tube is mounted on the gantry 1 . The X-ray source unit further comprises a collimator unit 3 which forms a pencil beam 4 (at least one pencil beam) from the radiation beam emitted by the X-ray source 2 .

[0046] The pencil beam penetrates an object 5 (shown symbolically), such as a patient, in a region of interest within the cylindrical examination region 6 . After penetrating the examination region 6, the part of the pencil beam's X-ray radiation 4' that is not absorbed by the object 5 is incident on the X-ray detector unit 7, which in this embodiment is a two-dimensional An energy-resolving detector, which is also...

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Abstract

The present invention relates to a device for generating soft tissue contrast images of an area of interest of an examination object (5) comprising soft tissue. The proposed device comprises: an x-ray source unit (2, 3) for emitting one or more pulsed pencil x-ray beams (4), an actuator (8, 9) for actuating said x-ray source unit (2, 3) along and / or around said area of interest to direct said one or more pencil beams (11) onto said area of interest from various directions, an electromagnetic signal receiver (11) for receiving electromagnetic signals from the area of interest resulting from absorption and scatter of x-ray photons within the area of interest, and a signal processor unit (12) for processing said received electromagnetic signals and reconstructing a soft tissue contrast image of the area of interest.

Description

technical field [0001] The invention relates to a device and a corresponding method for generating a soft tissue contrast image of a region of interest of an examination object comprising soft tissue. Background technique [0002] Computed tomography (CT) produces high-quality images of bone structure and contrast agent distribution. However, one of the weaknesses of CT is the discrimination of soft tissues. Magnetic resonance imaging (MRI) has excellent soft tissue contrast, but not all patients allow imaging by the MRI procedure. For example, when a patient has some implants such as a pacemaker, the patient cannot be imaged by an MRI procedure. Contents of the invention [0003] It is an object of the present invention to provide a device and a corresponding method for generating a soft tissue contrast image of a region of interest of an examination object, such as a patient, including soft tissue, which can also be applied to patients who cannot undergo an MRI procedu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/02G01N23/20
CPCA61B6/483A61B6/482A61B6/484A61B6/4021A61B6/4241
Inventor B·格莱希
Owner KONINKLIJKE PHILIPS NV
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