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Temperature distribution determination device

A technology for determining temperature distribution and determining devices, which is applied to temperature maps, thermometers, measuring devices, etc., and can solve problems such as the decrease in accuracy of temperature distribution

Active Publication Date: 2019-10-11
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although in the case of static objects ultrasonic thermometry allows an accurate determination of the temperature distribution, in moving objects the accuracy of the temperature distribution determined by ultrasonic thermometry decreases

Method used

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  • Temperature distribution determination device
  • Temperature distribution determination device

Examples

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Embodiment Construction

[0040] figure 1 An embodiment of an energy application system for applying energy to an object is shown schematically and exemplarily. In this embodiment, the system 1 is an ablation system for ablation of a tumor in a person 3 lying on a support unit 4 like a patient table. The system 1 comprises an energy application element 2 for applying energy to a person 3 , in particular to a tumor in the person 3 . In this embodiment, the energy application element 2 is an ablation needle comprising an ablation electrode 40 and an ultrasound sensor 41 at the tip 5 of the ablation needle 2, as in figure 2 Schematically and exemplarily illustrated in.

[0041] The energy applied to the person 3 by said ablation electrodes 40 is preferably RF energy, wherein the ablation electrodes 40 are electrically connected to an ablation energy control unit 12 adapted to control the application of RF energy. In this embodiment, the ablation energy control unit 12 includes an RF source for providi...

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Abstract

The invention relates to a temperature for determining the temperature distribution in an object (20) when an energy application element (2) applies energy to said object, in particular when performing an ablation procedure for ablation of a tumor in an organ Distribution determination means. generating a time-correlated first ultrasound signal for an ultrasound measurement region within the object, and based on the generated time-correlated first ultrasound signal and on the basis of the energy application element (2) relative to the ultrasound measurement tracked over time zone to determine the temperature distribution within the object. This can ensure that the correct position of the energy application element, which can be considered as a heat source, is always taken into account even if the energy application element moves eg due to a movement of the object. This can lead to a more accurate determination of the temperature distribution.

Description

technical field [0001] The invention relates to a temperature distribution determination device, method and computer program for determining a temperature distribution within an object. The invention also relates to an energy application system for applying energy to an object. Background technique [0002] The paper "Nicht-invasive Kontrollethermischer Therapien mit Hilfe des Ultraschalls: Untersuchungen am Beispielder Laser-Therapie" by R. Lemor, Humboldt University of Berlin (2011) discloses a method for determining the amount of heat applied to an object by using a laser applicator. The temperature distribution of the temperature distribution determines the device. The temperature distribution determining means is adapted to generate several ultrasound images of the object at different times, determine the position of the laser applicator in the several ultrasound images and register the ultrasound images with each other using these positions. Then, based on the regist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/00A61B5/01A61B8/08G01K11/24
CPCA61B8/48A61B8/5276G01K11/24G01K2213/00A61B18/1477A61B2018/00529A61B2018/00577A61B2018/00791A61B2034/101A61B2034/2063A61B2090/3929A61B5/015A61B5/0036G01K13/20A61B8/0841
Inventor S·塞特拉曼A·阿南德S-W·黄F·G·G·M·维尼翁A·K·贾殷
Owner KONINKLJIJKE PHILIPS NV