Method and apparatus for monitoring an object of interest in a medical system

A technology for objects of interest and equipment, applied in the field of monitoring objects of interest, and can solve problems such as destroying measurement data and measurement errors

Inactive Publication Date: 2010-08-18
KONINK PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In MIT systems, typical measurements take about 10 seconds and longer depending on the application for image reconstruction
Movement during measurement can introduce measurement errors and even corrupt measurement data

Method used

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  • Method and apparatus for monitoring an object of interest in a medical system
  • Method and apparatus for monitoring an object of interest in a medical system
  • Method and apparatus for monitoring an object of interest in a medical system

Examples

Experimental program
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Embodiment Construction

[0030] figure 1 A schematic cross-sectional view of an embodiment of a device for monitoring an object of interest 100 according to the invention is shown. Figure 2 schematically shows the variation of the pad at different stages of expansion.

[0031] according to figure 1 , an embodiment of the device includes:

[0032] Elastic pad 104;

[0033] a pump 102 for inflating the pad such that the inflated pad expands inwardly to enclose the object of interest 100;

[0034] a pressure sensor 103 for detecting the pressure exerted by the inflated pad 104 on the subject of interest 100 and outputting a signal to the pump 102 to stop inflation when the pressure reaches a predetermined threshold;

[0035] a measuring device 108 for measuring the volume of the expanded pad 104; and

[0036] A processor 105 for deriving the size of the object of interest 100 from the volume of the expanded pad 104 .

[0037] Optionally, the device also includes a stand 101 and the pad 104 is attac...

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PUM

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Abstract

The invention relates to a method and apparatus for monitoring an object of interest (100). According to the invention, a cushion (104) is inflated such that the inflated cushion extends inwards to envelop the object of interest (100), whereupon the pressure exerted on the object of interest (100) by the inflated cushion (104) is measured and a signal is output to stop inflating when the pressure reaches a predefined threshold. After that, the volume of the inflated cushion is measured and the size of the object of interest (100) is derived from the volume of the inflated cushion (104). In this way, the invention can keep the object of interest still during monitoring. Furthermore, the size of the object of interest can be used for imaging reconstruction to improve the quality of reconstructed images.

Description

technical field [0001] The present invention relates to monitoring an object of interest, and more particularly to a method and apparatus for monitoring an object of interest in a medical imaging system, such as a magnetic induction tomography system. Background technique [0002] Magnetic induction tomography (MIT) is a technique for measuring conductivity distribution that can be used in many biomedical applications. For example, blood has a higher conductivity than normal tissue in the brain, so examining changes in the distribution of conductivity in the brain can help identify hemorrhages in the brain. [0003] In MIT systems, typical measurements take about 10 seconds and longer depending on the application for image reconstruction. Movement during measurement can introduce measurement errors and even corrupt measurement data. So it is very important to keep the object of interest to be measured stationary during the monitoring process. In addition, the size of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/107G01F17/00
CPCA61B5/6892A61B5/107G01F17/00A61B5/055A61B5/0522G01B11/00A61B5/6843
Inventor 谌达宇J·P·舒尔茨闫铭
Owner KONINK PHILIPS ELECTRONICS NV
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