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Power amplification system of phased-array high-intensity focused ultrasound device

A power amplifier system and focused ultrasound technology, which is used in ultrasonic therapy, power amplifiers, amplifiers with semiconductor devices/discharge tubes, etc. Single-channel power amplifier performance and other issues, to achieve the effect of reducing phase deviation, avoiding complicated power supply wiring, and improving accuracy

Inactive Publication Date: 2018-07-06
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method to solve the problem of the existing technology that the integrated power amplifier of the multi-channel power amplifier is not conducive to testing the performance of a single-channel power amplifier, and the phase deviation between the multi-channel power amplifiers is relatively large, which affects the phased array high-intensity focused ultrasound equipment. precision problem

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  • Power amplification system of phased-array high-intensity focused ultrasound device
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  • Power amplification system of phased-array high-intensity focused ultrasound device

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] The purpose of the embodiments of the present invention is to provide a power amplifier system for phased array high-intensity focused ultrasound equipment to solve the problem of using multiple power amplifiers in the power amplifier system in the phased array high-intensity focused ultrasound equipment in the prior art individual such as figure 1 The single-channel amplifier shown has its input interface, output interface and power supply independently designed. When the power amplifier system includes multiple power amplifiers, it is necessary to set multiple power supply lines according...

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Abstract

The invention discloses a power amplification system of a phased-array high-intensity focused ultrasound device. The power amplification system comprises N power amplifier arrays arranged on the circuit board; each power amplifier array comprises multiple power amplifiers arranged side by side; electric energy of multiple power amplifiers in the power amplifier array is supplied by one power supply source; each power amplifier in the power amplifier array comprises an independent input interface and an independent output interface; wirings of the input interface and the output interface of each power amplifier in the same power amplifier array are distributed in parallel; and N is a natural number greater than or equal to 2. The power amplification system can detect a single power amplifier conveniently, can reduce phase deviation of each power amplifier efficiently and can improve the precision of the phased-array high-intensity focused ultrasound device.

Description

technical field [0001] The invention belongs to the field of high-intensity focused ultrasound, in particular to a power amplifier system of phased array high-intensity focused ultrasound equipment. Background technique [0002] Phased array high-intensity focused ultrasound (full name in English: High Intensity Focused Ultrasound, English abbreviation: HIFU) technology is to form an electronic focus of the sound field by controlling the phase and amplitude of the input signals of each array element in the planar array, and can achieve focused focus. Phased scanning of plaques can be used for surgical treatment. [0003] The phase-controlled focusing method uses the phase and amplitude of the control signal to form a large-scale spatial focus of the sound beams of each array element, which is very critical to the design of a one-to-one corresponding power amplifier (power amplifier) ​​for each ultrasonic transducer. Currently used power amplifiers mainly include single-modu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F3/183H03F3/21H03G3/30A61N7/02
CPCA61N7/02H03F3/183H03F3/211H03G3/301
Inventor 孟德郑海荣刘新邹超帖长军文剑洪
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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