High-strength focus supersonic therapeutic system of hundred array-element composite material and controlling array by spherical-phase

A composite material and focused ultrasound technology, which is applied in ultrasound therapy and treatment, can solve the problems of inability to form three-dimensional space multi-focus scanning, and cannot produce non-axisymmetric multi-focus, so as to facilitate stereotaxic positioning and focused ultrasound operation, reduce Healing time, efficiency improvement effect

Inactive Publication Date: 2006-03-08
XI AN JIAOTONG UNIV
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Problems solved by technology

[0005] Authorized U.S. Patent 4,865,042, the inventor Umemura, the invention name is "Ultrasonicirradiation system", as early as 1989, a phased array HIFU transducer was disclosed, which used a spherical crown phased array transducer, that is Spherical annular phased array and spheric

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  • High-strength focus supersonic therapeutic system of hundred array-element composite material and controlling array by spherical-phase
  • High-strength focus supersonic therapeutic system of hundred array-element composite material and controlling array by spherical-phase
  • High-strength focus supersonic therapeutic system of hundred array-element composite material and controlling array by spherical-phase

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[0023] See figure 1 , Which shows the principle diagram of a high-intensity focused ultrasound treatment system with a spherical phased array of hundreds of elements. The overall system consists of hundreds of element composite spherical phased array transducers 2, hundreds of channels of phased array HIFU drive control system 17, B ultrasound probe 3, B ultrasound instrument 5, image acquisition device 7, 6-axis motion system 11 It is composed of a 6-axis motion control system 13, a main control computer 15, a degassing and purified water system 19, a camera 9, a water bag 10 and a treatment bed 1.

[0024]The composite spherical phased array transducer 2 with hundreds of elements of the present invention is installed under the treatment bed 1. In the center hole of the probe of the composite spherical phased array transducer 2 with hundreds of elements, there is coaxially installed The B-ultrasound probe 3 and the B-ultrasound probe 3 form a combined probe. The B-ultrasound pro...

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Abstract

The hundred array-elements composite material spherical phased-array high-strength focusing ultrasonic therapeutic system includes the following several portions: therapeutic bed, hundred array-elements composite material spherical phased-array transducer, ultrasonic scanner probe, handred channels phased-array HIFU drive control system, shaft movement system and control system for controlling form of transducer, ultrasonic scanning probe and ultrasonic scanner and image acquisition device, water bag, deaerating water-purifying system and main control computer for respectively controlling action of the above-mentioned system. Said invention also provides the working principle of said system and its operation method.

Description

technical field [0001] The invention belongs to the field of biomedical instruments and equipment, and relates to a high-intensity focused ultrasound treatment system for non-invasive surgical operations, in particular to a high-intensity focused ultrasound treatment system with hundreds of array elements spherical phased array. Background technique [0002] High Intensity Focused Ultrasound (HIFU) is a treatment that focuses ultrasonic energy on the deep target tissue of the human body to achieve precise thermal damage to the selected target tissue without harming the adjacent normal tissue. Ultrasound Surgery, FUS) The peak sound intensity of the focus point of HIFU is hundreds of W / cm~thousands of W / cm 2 , the action time is only a few seconds (usually 1-3S), and the tissue temperature exceeds 56°C-60°C. At this time, the cell protein is suddenly coagulated, and cavitation forms bubbles to force the destruction of the cell and tissue structure. Ca...

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Application Information

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IPC IPC(8): A61N7/02
Inventor 万明习陆明珠王晓东徐丰骆志坚
Owner XI AN JIAOTONG UNIV
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