Power generating and monitoring circuit of radio frequency melting therapeutic system

A treatment system and radio frequency ablation technology, which is applied in the circuit field of the tumor ablation treatment system, can solve the problems of high power supply voltage, low calculation accuracy, complex circuit, etc., and achieve the effect of simple circuit, high measurement accuracy, and convenient debugging

Inactive Publication Date: 2005-03-02
SHANGHAI JIAO TONG UNIV
View PDF1 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of high feed power supply voltage, low efficiency, complex circuit, and

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Power generating and monitoring circuit of radio frequency melting therapeutic system
  • Power generating and monitoring circuit of radio frequency melting therapeutic system
  • Power generating and monitoring circuit of radio frequency melting therapeutic system

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] The following is a further detailed description in conjunction with the drawings:

[0018] Such as figure 1 As shown, the present invention is composed of unit circuits such as an excitation signal generator, a series resonance power amplifier circuit, an active low-pass filter, a controllable DC power supply, a voltage detection circuit, and a current detection circuit. The output terminal of the excitation signal generator is connected to the input terminal of the series resonance power amplifier circuit. The input end of the active low-pass filter is connected with the intelligent monitoring system, and its output end is connected to the control input end of the controllable DC power supply. The voltage output terminal of the controllable DC power supply is connected to the feed input terminal of the series resonance power amplifier circuit. The signal output terminal of the series resonance power amplifier circuit is connected with the ablation electrode terminal of th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The power generating and monitoring circuit for use in biomedicine engineering and technology consists of exciting signal generator, serial resonant power amplifier circuit, active low-pass filter, controllable DC power source, voltage detecting circuit and current detecting circuit connected together. It is connected with intelligent monitoring system, and the output of the serial resonant power amplifier circuit is connected to the melting electrodes as load. The present invention has simple circuit, convenient regulation, high work efficiency, flexible control, and high measuring and calculating precision of the output power and load impedance.

Description

technical field [0001] The invention relates to a circuit for a tumor ablation treatment system in the technical field of biomedical engineering, in particular to a power generation and monitoring circuit for a radio frequency ablation treatment system. Background technique [0002] Radiofrequency ablation based on the biothermal effect of radiofrequency electromagnetic fields, that is, radiofrequency in situ inactivation, has been widely used in tumor treatment, cardiothoracic surgery, neurosurgery, gynecology and urology, and various corresponding medical equipment, such as water-cooled Radiofrequency tumor ablation treatment system, multi-bullet tumor radiofrequency ablation instrument, atrial fibrillation radiofrequency ablation treatment instrument, etc. have appeared in large numbers. In the process of radiofrequency ablation, it is very important whether the output power of the radiofrequency ablation treatment system is appropriate. If it is too low, the purpose of a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A61B18/12A61B18/18
Inventor 陈亚珠白景峰冯学苏
Owner SHANGHAI JIAO TONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap