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Gantry-free SPECT system

An inorganic, frame-based technology used in nuclear medicine imaging to solve problems such as restricted mobility and increased cost, resulting in improved spatial resolution, improved system sensitivity, and ease of access and imaging

Active Publication Date: 2014-09-24
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle of this collimator requires a rotating gantry and at least one detector, typically two, to obtain the required number of views for reconstruction, which further limits mobility and increases cost

Method used

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  • Gantry-free SPECT system

Examples

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Embodiment Construction

[0025] The present disclosure provides a single photon emission computed tomography (SPECT) system that does not require a fixed or rotating gantry. Alternatively, the system employs detector modules arranged in a frame. The system is particularly suitable for applications such as imaging the heart, brain, thyroid, bones, joints, ligaments, tendons, muscles, nerves, kidneys, lungs, and the like. Prior to imaging, a frame is selected based on the geometry of a region of interest (ROI) and positioned on and / or around the ROI. Frameworks can be common to multiple applications, such as brain and heart applications, or application specific. Further, the position of the detector module and / or frame is suitably static during imaging.

[0026] In some embodiments, the selected framework can be configured for the target application. For example, for brain imaging, the shape of the selected frame may be configured as a circle or an ellipse. Other shapes include ellipses, partial cir...

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PUM

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Abstract

A gantry free nuclear imaging system (10) images a region of interest (ROI) (16). The system (10) includes one or more radiation detectors (20) generating radiation data indicating the location of gamma photon strikes. The system includes a reconfigurable frame (22) positioning the radiation detectors (20) at fixed viewing angles of the ROI (16) and at least one processor (44, 48). The processor (44, 48) receives the radiation data from the radiation detectors (20) and reconstructs an image of the ROI (16) from the received radiation data.

Description

technical field [0001] The present application relates generally to nuclear medicine imaging. It finds particular application in conjunction with single photon emission computed tomography (SPECT) and will be described with reference thereto. However, it is to be understood that the invention applies to other usage scenarios as well, and is not necessarily limited to the aforementioned applications. Background technique [0002] SPECT is a nuclear medicine imaging technique that employs radioactive isotopes injected into a patient to image a region of interest (ROI) in the patient. Typically, the radioisotope is combined with a radioligand to create a radiopharmaceutical that binds to a specific type of tissue. The radioisotopes undergo gamma-ray decay at predictable rates and characteristic energies. One or more radiation detectors are placed adjacent to the patient to monitor and record emitted radiation. Typically, the radiation detectors are scintillation cameras. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/164A61B6/03
CPCA61B6/469G01T1/1648A61B6/4258G01T1/2985A61B6/506A61B6/037
Inventor H·K·维乔雷克J·耶L·邵R·哈桑
Owner KONINKLJIJKE PHILIPS NV