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Integration of quantitative calibration systems in computed tomography scanner

一种断层成像、计算机的技术，应用在医学成像领域

Active Publication Date: 2015-04-29
THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Densitometry information can therefore only be obtained from a CT scan if perhaps an additional calibration phantom is introduced at the time of the scan, or if a separate scan is required for quantitative imaging purposes

Method used

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  • Integration of quantitative calibration systems in computed tomography scanner
  • Integration of quantitative calibration systems in computed tomography scanner
  • Integration of quantitative calibration systems in computed tomography scanner

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[0030] specific implementation plan

[0031]The subject matter disclosed herein will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the inventions are shown. Like reference numerals refer to like elements throughout. The subject matter disclosed herein may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Indeed, many modifications and other implementations of the herein disclosed subject matter will come to mind to one skilled in the art to which the herein disclosed subject matter pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the subject matter disclosed herein is not to be limited to the particular embodiments disclosed and...

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Abstract

An embodiment in accordance with the present invention provides a device and method for a quantitatively calibrated computed tomography scanner. The device includes a gantry configured for receiving a patient or part of a patient. The gantry includes an X-ray source and a detector positioned opposite said X-ray source, such that said detector receives the X-rays emitted from the X-ray source. Calibration phantoms are integrated with the gantry and / or a device within the scanner so as to allow for calibration in quantitative CT measurements of Hounsfield units and / or bone mineral density.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 61 / 656,775, filed June 7, 2012, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to medical imaging. More specifically, the present invention relates to a device for determining bone mineral density in Computed Tomography (CT). Background technique [0004] Diagnosis and treatment of a range of musculoskeletal disorders is expected to benefit from high-quality accurate imaging and morphological assessment as provided by peripheral quantitative CT (pQCT). For example, osteoporosis presents a growing health burden involving loss of bone density leading to fragility fractures. Similarly, osteoarthritis (OA), especially in the aging and obese population, is an increasingly prevalent degenerative joint disease characterized by biomechanical stress and consequent loss of ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03
CPCA61B6/032A61B6/4085A61B6/505A61B6/508A61B6/5217A61B6/583G16H50/30
Inventor 杰弗里·H·谢沃德森阿卜杜拉·阿尔穆希特约翰·卡里诺
Owner THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE
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