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Method and apparatus for emission guided radiation therapy

A technology of emission path, positron emission, applied in instruments for radiodiagnosis, radiotherapy, electrotherapy, etc., which can solve the problems of limitation and impractical use of PET at the same time

Active Publication Date: 2011-02-09
REFLEXION MEDICAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is impractical to use PET concurrently with external beam RT
PET imaging will take about 10 minutes to obtain an image of suitable quality, which severely limits the use of PET as a reagent for dynamically tracking tumor location

Method used

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  • Method and apparatus for emission guided radiation therapy
  • Method and apparatus for emission guided radiation therapy
  • Method and apparatus for emission guided radiation therapy

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Embodiment Construction

[0017] The following detailed description of the invention refers to the subject matter in the accompanying drawings that show, by way of illustration, specific aspects and embodiments in which the subject matter can be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the subject matter. References to "an," "an," or "various" embodiments in this disclosure are not necessarily to the same embodiment, and such references contemplate multiple embodiments. Accordingly, the following detailed description should not be read in a limiting sense, and its scope should be defined only by the appended claims, along with the full scope of legal equivalents to which such claims are entitled.

[0018] The present invention relates to a new class of techniques known as Emission-Guided Radiation Therapy ("EGRT"). One method of EGRT involves direct use of highly cancer-sensitive emission medical modalities during the treatment phas...

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Abstract

An apparatus comprising a radiation source, coincident positron emission detectors configured to detect coincident positron annihilation emissions originating within a coordinate system, and a controller coupled to the radiation source and the coincident positron emission detectors, the controller configured to identify coincident positron annihilation emission paths intersecting one or more volumes in the coordinate system and align the radiation source along an identified coincident positron annihilation emission path.

Description

[0001] related application [0002] This application for patent claims priority to U.S. Provisional Patent Application No. 61 / 036,709, filed March 14, 2008, and U.S. Patent Application No. 12 / 367,679, filed February 9, 2009; the entire contents of which are hereby Incorporated by reference. technical field [0003] The present invention relates to devices and methods for radiation therapy, and in particular to devices and methods for treating cancerous tissue in the body using high energy radiation. Background technique [0004] Radiation therapy (RT) is a method of treating cancerous tissue in the body using high-energy radiation (eg, x-rays) to kill tumor cells. There are two main types of RT: internal and external. Internal beam RT is done by implanting radiation-emitting material into the patient's body in or near the cancerous area to be treated. External beam RT is achieved by aiming a beam of high-energy radiation at the patient so that it passes through the area t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/30
CPCA61B6/54G01T1/2978A61N2005/1074A61N5/1067G01T1/2985A61N5/1081A61B6/037A61B6/0407A61B6/469A61B6/541A61N2005/1052A61N2005/1072A61N2005/1087A61N2005/1089A61N2005/109A61N2005/1091
Inventor S·马赞
Owner REFLEXION MEDICAL INC
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