Ultrasound diagnostic and therapeutic device

Abstract

The present invention relates to an ultrasound diagnostic and therapeutic device that belongs to the technical field of ultrasound therapy and can at least partially solve the problem that the accuracy of the focus position is not guaranteed in existing ultrasound therapy. In the ultrasound diagnostic and therapeutic device, the control module is provided to control the ultrasound emission module and the detection module to perform the following workflow: Diagnosis phase: Emitting the detection ultrasound waves by the ultrasound emission module, each with each position within a predetermined range as the theoretical focus; receiving the secondary sound waves, and determining a distribution image of the corresponding properties based on the secondary sound waves by the detection module;Stimulating the tissue at the actual focus to vibrate with the detection ultrasound waves, thereby generating secondary sound waves, wherein the distribution image of the corresponding properties includes the corresponding properties of each position within the predetermined range, wherein the corresponding properties of the respective position are those properties of the tissue determined from the secondary sound waves when the theoretical focus is located at that position (S101); Therapy phase: Emitting the therapeutic ultrasound by the ultrasound emission module with the target position as the theoretical focus (S102).

Claims

[1] An ultrasound diagnostic and therapeutic device, characterized by that it comprises an ultrasonic emission module, a detection module and a control module; wherein the control module is configured to control the ultrasonic emission module and the detection module to perform the following workflow: Diagnosis phase: Emission of the detection ultrasound waves by the ultrasound emission module, with each position within a predetermined range as the theoretical focus; reception of the secondary sound waves and determination of a distribution image of the corresponding properties based on the secondary sound waves by the detection module; excitation of the tissue at the actual focus by the detection ultrasound waves, thereby generating secondary sound waves, wherein the distribution image of the corresponding properties includes the corresponding properties of each position within the predetermined range, wherein the corresponding properties of the respective position are those properties of the tissue determined based on the secondary sound waves when the theoretical focus is at that position; Therapy phase: Emitting therapeutic ultrasound through the ultrasound emission module with the target position as the theoretical focus; whereby the target position is within the specified range, and the therapeutic ultrasound waves can treat the tissue. [2] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by that the therapy phase before the therapeutic ultrasound waves are emitted by the ultrasound emission module with the target position as the theoretical focus additionally includes: Determining at least one position from the specified area as the target position based on the distribution image of the corresponding properties obtained in the detection phase by the control module. [3] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by that the workflow after the therapy phase also includes: Evaluation phase: Emission of the detection ultrasonic waves by the ultrasonic emission module with at least the target position as the theoretical focus; reception of the secondary sound waves and determination of at least the corresponding property of the target position based on these secondary sound waves by the detection module. [4] Ultrasound diagnostic and therapeutic device according to claim 3, characterized by that the emission of detection ultrasonic waves by the ultrasonic emission module with at least the target position as the theoretical focus; the reception of the secondary sound waves and the determination of at least the corresponding property of the target position based on these secondary sound waves by the detection module comprises: Emitting the detection ultrasonic waves by the ultrasonic emission module, each with each position within a given range as a theoretical focus; receiving the secondary sound waves and determining the distribution pattern of the corresponding property based on these secondary sound waves by the detection module. [5] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by that the emission of the detection ultrasonic waves by the ultrasonic emission module with each position within a given range as a theoretical focus includes: Sequentially emitting the detection ultrasonic waves by the ultrasonic emission module with each position within a given range as a theoretical focus along a given scan path. [6] Ultrasound diagnostic and therapeutic device according to claim 1, characterized bythat the property of the fabric includes mechanical property and / or acoustic property of the fabric. [7] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by , that: the power of the detection ultrasound waves is between 1 W and 10 W; the power of the therapeutic ultrasound waves is between 20 W and 500 W. [8] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by , that: the frequency of the detection ultrasonic waves is between 500 kHz and 10 MHz; the frequency of the therapeutic ultrasound waves is between 500 kHz and 10 MHz. [9] Ultrasound diagnostic and therapeutic device according to claim 1, characterized by , that: the detection ultrasound waves are single-frequency ultrasound waves or differential-frequency ultrasound waves. [10] Ultrasound diagnostic and therapeutic device according to claim 1, characterized bythat the detection ultrasound wave is used to vibrate the tissue at the actual focus by at least one of the following methods to generate secondary sound waves: Amplitude modulation, beat interference, pulse excitation, standing wave interference.

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