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Magnetic heat treatment therapeutic apparatus for tumour

A treatment instrument and magnetic hyperthermia technology, applied in the field of tumor magnetic hyperthermia treatment instrument, can solve the problems of uneven heating, limitation, and poor tissue penetration of tumors

Inactive Publication Date: 2006-07-12
朱宏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the electromagnetic wave heating tumor hyperthermia therapeutic apparatus used clinically is a radio frequency hyperthermia therapeutic apparatus, a microwave hyperthermia therapeutic apparatus, etc. that use higher frequency (such as 13.56-2450MHz) electromagnetic waves, because electromagnetic waves with a frequency greater than 10MHz can heat normal tissues and tissues Poor penetration and other characteristics, the application of the above-mentioned hyperthermia therapy device has defects such as uneven heating of tumors, easy damage to normal tissues, and limited heating of tissues and parts

Method used

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  • Magnetic heat treatment therapeutic apparatus for tumour
  • Magnetic heat treatment therapeutic apparatus for tumour
  • Magnetic heat treatment therapeutic apparatus for tumour

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Experimental program
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Effect test

Embodiment 1

[0035] Sixteen LS174T nude mice bearing human colon cancer were taken, and after the tumor volume was measured and calculated, they were randomly divided into two groups according to the tumor volume. The first group was the control group. Nude mice were injected with 0.1ml of water containing a certain amount of nano-magnetic powder, and the second group of nude mice were placed in the electromagnetic induction coil of the above-mentioned tumor magnetic hyperthermia treatment apparatus, and the frequency was 100KHz, and the field strength was 30KA / m. The temperature of the tumor was heated to 42-43° C. for 1 hour. After 10 days of treatment, the above-mentioned nude mice were sacrificed, the tumor was separated, and the weight of the tumor was weighed. The results showed that the tumor weight of the first group was 4.2±0.8g, the tumor weight of the second group was 1.3±0.3g, the tumor inhibition rate of the treatment group was 75%, and the P value was less than 0.01. At the s...

Embodiment 2

[0037] Sixteen LS174T nude mice bearing human colon cancer were taken, and after the tumor volume was measured and calculated, they were randomly divided into two groups according to the tumor volume. The first group was the control group. Nude mice were injected with 0.2ml of water containing a certain amount of nano-magnetic powder, and the second group of nude mice were placed in the electromagnetic induction coil of the above-mentioned tumor magnetic hyperthermia treatment apparatus, and the frequency was 200KHz, and the field strength was 20KA / m. The temperature of the tumor was heated to 42-43° C. for 1 hour. After 10 days of treatment, the above-mentioned nude mice were sacrificed, the tumor was separated, and the weight of the tumor was weighed. The results showed that the tumor weight of the first group was 2.77±0.75g, the tumor weight of the second group was 0.19±0.11g, the tumor inhibition rate of the treatment group was 93%, and the P value was less than 0.01. At t...

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Abstract

The invention relates to a tumor treatment therapeutic equipment utilizing magnetic thermotherapy, which comprises a central operation controller, an alternating magnetic field generating device, an electrical magnetic induction coil, a therapeutic bed, a water cooling device, an image detector, a temperature observe and control device, accessory equipments, a printer, an operating console, and a power off protecting equipment.

Description

technical field [0001] The invention relates to a tumor magnetic hyperthermia therapy instrument with an alternating magnetic field frequency of 10-1000kHz and a field strength of 1-200kA / m. Background technique [0002] At present, the electromagnetic wave heating tumor hyperthermia therapeutic apparatus used clinically is a radio frequency hyperthermia therapeutic apparatus, a microwave hyperthermia therapeutic apparatus, etc. that use higher frequency (such as 13.56-2450MHz) electromagnetic waves, because electromagnetic waves with a frequency greater than 10MHz can heat normal tissues and tissues Due to poor penetration and other characteristics, the application of the above-mentioned hyperthermia therapeutic apparatus has defects such as uneven heating of tumors, easy damage to normal tissues, and limited heating of tissues and parts. Contents of the invention [0003] The object of the present invention is to provide a tumor magnetic hyperthermia therapeutic apparatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B18/18A61F7/00A61N2/04A61B18/04
Inventor 朱宏
Owner 朱宏
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