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Ultrasonic adaptive focusing method for sonodynamic therapy

A technology of sonodynamic therapy and focusing method, which is applied in the direction of ultrasonic therapy and treatment, which can solve problems such as deviation and poor treatment effect, and achieve fast response, strong practicability, promotion value, and good real-time effects

Active Publication Date: 2017-10-20
哈尔滨声诺医疗科技有限公司
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  • Claims
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Problems solved by technology

[0003] The invention provides an ultrasonic self-adaptive focusing method for sonodynamic therapy, which is used to solve the problem that there is a deviation between the actual sound field and the expected sound field in the tissue during sonodynamic therapy, which leads to poor therapeutic effect

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  • Ultrasonic adaptive focusing method for sonodynamic therapy

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The invention provides an ultrasonic self-adaptive focusing method for acoustic dynamic therapy, which is used for real-time adjustment of the focus area of ​​acoustic energy and ultrasonic emission voltage during acoustic dynamic therapy, so as to accurately focus the acoustic energy on the treatment place The desired target area, which includes the following steps:

[0031] S1: Determine the target area T1, the target size S1 and the target sound fiel...

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Abstract

The present discloses an ultrasonic adaptive focusing method for sonodynamic therapy. The method is employed to perform real-time regulation of focusing area of the sound energy and ultrasonic emission voltage when sonodynamic therapy is performed to accurately focus the sound energy onto a target area required by the treatment. The ultrasonic reflection echo is employed to perform real-time monitoring of a sound field state in an organization, and the focusing position, the focus size and the sound field intensity are regulated in real time according to a monitoring result to allow an actual sound field to be consistent to an expected sound field so as to solve the problem that there is deviation between the actual sound field and the expected sound field in the organization to cause bad treatment effect when the sonodynamic therapy is performed; and moreover, the reaction speed is fast, timeliness is good, manual intervention is little, the treatment efficiency and the stability of the treatment effect are improved, and therefore, the ultrasonic adaptive focusing method for sonodynamic therapy has high practicality and popularization values.

Description

technical field [0001] The invention relates to the field of sonodynamic therapy, in particular to a method for automatically focusing ultrasound to a target area based on reflection echo feedback. Background technique [0002] Sonodynamic Therapy (SDT) refers to the technique of activating the sonosensitizer by ultrasound, using tissue oxygen to generate reactive oxygen species, and then exerting biological effects. SDT utilizes the strong penetrating power of ultrasound to achieve non-invasive treatment of deep tissues, and has broad application prospects in inhibiting tumor growth and regulating the evolution of atherosclerosis. SDT involves three basic elements: ultrasound, sonosensitizer, and oxygen. Among them, accurately controlling and adjusting the ultrasonic energy input into the tissue is the key of SDT technology. Phased array technology has become the preferred technology for SDT acoustic components due to its real-time control over the focus position, focus s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N7/00
Inventor 田野刘斌张治国郭淑媛
Owner 哈尔滨声诺医疗科技有限公司
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