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Magnetic resonance projection for constructing four-dimensional image information

An image, four-dimensional technology, applied in the field of magnetic resonance projection for constructing four-dimensional image information, can solve problems such as increasing complexity

Active Publication Date: 2017-09-26
ELEKTA AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This task can be a time-consuming trial-and-error process complicated by various organs at risk (OARs), as the complexity of the process increases as the number of OARs increases (e.g., up to thirteen for head and neck treatments). increase

Method used

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  • Magnetic resonance projection for constructing four-dimensional image information
  • Magnetic resonance projection for constructing four-dimensional image information
  • Magnetic resonance projection for constructing four-dimensional image information

Examples

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Embodiment Construction

[0035] Figure 1A An example of a radiation therapy system 102 is generally shown, which may include a radiation therapy output 104 configured to provide a therapy beam 108 . Radiation therapy output 104 may include one or more attenuators or collimators, such as figure 2 An illustrative example of a multileaf collimator (MLC) is described. back to reference Figure 1A A patient may be located in area 112, eg, on a platform 116 (eg, table or chair), to receive a prescribed radiation therapy dose according to a radiation therapy treatment plan.

[0036] The radiation therapy output 104 may be positioned on a gantry 106 or other mechanical support for rotation of the therapy output 104 about an axis ("A"). One or more of the platform 116 or the radiation therapy output 104 may be movable to other positions, such as movable in a transverse direction ("T") or a lateral direction ("L"). Other degrees of freedom are possible, such as rotation about one or more other axes, such as...

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Abstract

Apparatus and techniques are described herein for nuclear magnetic resonance (MR) projection imaging. Such projection imaging may be used for generating four-dimensional (4D) imaging information representative of a physiologic cycle of a subject, such as including generating two or more two-dimensional (2D) images, the 2D images comprising projection images representative of different projection angles, and the 2D images generated using imaging information obtained via nuclear magnetic resonance (MR) imaging, assigning the particular 2D images to bins at least in part using information indicative of temporal positions within the physiologic cycle corresponding to the particular 2D images, constructing three-dimensional (3D) images using the binned 2D images, and constructing the 4D imaging information, comprising aggregating the 3D images.

Description

[0001] priority claim [0002] This patent application claims U.S. Provisional Patent Application Serial No. 62 / 090,115, filed December 10, 2014, by Lachaine et al., entitled "MAGNETICRESONANCE PROJECTION IMAGING" ("Magnetic Resonance Projection Imaging") (Attorney Docket No. 4186.006 PRV No.), the entire content of which application is incorporated herein by reference. Background technique [0003] Radiation therapy or "radiotherapy" can be used to treat cancer or other diseases in mammalian (eg, humans and animals) tissues. One such radiation therapy technique is called "Gamma Knife", by which a patient is irradiated with a large number of lower intensity gamma rays focused at a target area (eg, a tumor) at higher intensity and with high precision. In another example, radiation therapy is delivered using a linear accelerator ("linac") whereby a target area is irradiated with high energy particles (eg, electrons, protons, ions, high energy photons, etc.). The placement and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10G06T11/00G06V10/75
CPCA61B5/055A61N5/1049A61N5/1067G01R33/4824G01R33/56308G06T11/00A61N5/1037A61N5/1045A61N2005/1055G01R33/5608G01R33/56509G01R33/56325G01R33/567G01R33/4833A61B6/5229A61B5/0036A61B5/7257A61B2505/05A61B2576/00G01R33/4808G16H30/20G16H30/40G16H40/60G16H50/50G06V10/75G06F18/22G01R33/563A61N2005/1061G06T7/0012G06T11/005G06T2207/10088G06T2207/10116
Inventor 马丁·埃米尔·拉歇内托尼·法尔科
Owner ELEKTA AB
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