The whole body heat treatment for tumour of implementing heating inside blood vessel by combining heat seed and blood vessel bracket

A vascular stent combined with thermal technology, which is applied in induction heating, heating equipment for therapeutic treatment, treatment, etc., can solve the problems of not achieving the therapeutic effect, and achieve the effect of convenient development, strong competitiveness, and simple operation process

Active Publication Date: 2007-05-09
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Problems solved by technology

[0007] In order to solve the problems existing in the prior art, the present invention provides a whole-body hyperthermia device for tumors that combines thermal seeds and vascular stents to achieve intravascular heating, which solves the problem that the local hyperthermia devices in the prior art cannot achieve ideal therapeutic effects

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  • The whole body heat treatment for tumour of implementing heating inside blood vessel by combining heat seed and blood vessel bracket

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with specific examples.

[0025] Fig. 1 is a whole-body hyperthermia device for tumors provided by the present invention using heat seeds and vascular stents to realize intravascular heating, which is also an embodiment of the present invention. It includes: two vascular stents 1 for fixing ferromagnetic heat seeds; external electromagnetic field equipment 2 for generating alternating electromagnetic fields; ferromagnetic heat seeds 3 for heating the blood; and fixed traction wires 4 .

[0026] Among them, there may be 2 to 100 vascular stents. The stent can be a self-expanding nickel-titanium alloy stent that expands automatically due to heat in the blood vessel, or a balloon-type stent that is expanded by external force. The diameter of a single stent unit band can be between 10nm and 1mm. The material of the heat seed 3 can be nickel-copper alloy or other materials that can generate large heat and ...

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Abstract

A general thermotherapeutic device for treating tumor by heating in blood vessels is composed of the heat generating seed in the form of strip and transplanted in blood vessel for heating blood, a fixer for said heat generating seed, and an external electromagnetic device opposite to said heat seed for generating an alternative electromagnetic field.

Description

technical field [0001] The invention relates to a device for interventional therapy, in particular to a whole-body hyperthermia device for heating blood during interventional therapy. Background technique [0002] Tumor hyperthermia is a physical therapy method that uses heat to kill tumor tissue. Among the factors that affect the high curative effect of tumor hyperthermia, the most critical ones are heating and temperature measurement techniques. For ideal and satisfactory heating, it is defined in physics as follows: it can accurately heat 100% of cancer tissue to the effective therapeutic temperature range (41-45°C) and maintain it for a certain period of time, so that cancer cells can be destructively killed . At the same time, it is necessary to avoid overheating damage to normal tissues. So far, researchers have developed a variety of tumor hyperthermia devices targeting the superficial surface of the human body, cavities, and tissues. The heat sources mainly use mi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F7/00A61N1/40A61M29/00H05B6/02
Inventor 项士海刘静
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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