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WO2006072199A1 - Integral transducer apparatus for ultrasonic treatment - Google Patents

Integral transducer apparatus for ultrasonic treatment Download PDF

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Publication number
WO2006072199A1
WO2006072199A1 PCT/CN2005/001390 CN2005001390W WO2006072199A1 WO 2006072199 A1 WO2006072199 A1 WO 2006072199A1 CN 2005001390 W CN2005001390 W CN 2005001390W WO 2006072199 A1 WO2006072199 A1 WO 2006072199A1
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WO
WIPO (PCT)
Prior art keywords
transducer
piezoelectric
piezoelectric transducer
therapeutic
integrated ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2005/001390
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English (en)
French (fr)
Inventor
Chunliang Zhao
Zhibiao Wang
Zhilong Wang
Jin Bai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Haifu Hifu Technology Co Ltd
Original Assignee
Chongqing Haifu Hifu Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Haifu Hifu Technology Co Ltd filed Critical Chongqing Haifu Hifu Technology Co Ltd
Priority to BRPI0518500-9A priority Critical patent/BRPI0518500A2/pt
Priority to CA002591265A priority patent/CA2591265C/en
Priority to AU2005324272A priority patent/AU2005324272B2/en
Priority to US11/794,929 priority patent/US8251929B2/en
Priority to EP05781872A priority patent/EP1837052A4/en
Priority to JP2007549781A priority patent/JP2008526327A/ja
Publication of WO2006072199A1 publication Critical patent/WO2006072199A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy

Definitions

  • the present invention relates to a component of an ultrasonic therapy device, and more particularly to a transducer device for an ultrasonic therapy device. Background technique
  • FIGS 1 and 2 show schematic cross-sectional views of a prior art ultrasound therapy transducer device.
  • the power amplification module 1 of the existing ultrasound treatment device is mounted separately from the treatment transducer 5 and is connected to the therapy transducer 5 via the cable 3.
  • This structure is bulky, heavy, and difficult to signal and impedance match.
  • the separate installation mode of the power amplifying module 1 and the therapeutic transducer 5 causes the high frequency and high power electrical signals to be transmitted to the therapeutic transducer 5 through the cable 3. If the cable 3 is improperly selected or the cable 3 is too long, it will cause serious Electromagnetic pollution.
  • the treatment transducer is separately installed from the power amplification module to increase the volume of the ultrasonic treatment device, and the position between the units is dispersed, which adds many problems to the engineering design. Because the impedance and acoustic emission efficiency of each therapeutic transducer are different, the separate installation makes the consistency and interchangeability of the therapeutic transducer and the power amplifying module difficult to solve. Summary of the invention
  • the object of the present invention is to solve the above problem that the therapeutic transducer is separately installed from the power amplifying module, and provides an integrated ultrasonic therapeutic transducer device, thereby overcoming the defect that the therapeutic transducer is separately installed from the power amplifying module.
  • the invention provides an integrated ultrasonic therapeutic transducer device, comprising a piezoelectric transducer for generating therapeutic ultrasonic waves, a support member for supporting the piezoelectric transducer, and a power amplification module for driving the piezoelectric transducer, Wherein the power amplification module and the piezoelectric transducer are installed in the treatment Inside the outer casing of the transducer.
  • the power amplification module can be mounted on the rear side of the piezoelectric transducer, and is opposite to the acoustic emission surface of the piezoelectric transducer, and the heat dissipation surface of the power amplification module is attached to the outer casing of the therapeutic transducer, thereby utilizing integrated ultrasonic therapy to transact
  • the housing acts as a heat sink for the amplifier.
  • a cooling fluid passage may be formed between the heat dissipating surface of the power amplifying module and the piezoelectric transducer to cool the power amplifying module with a circulating cooling fluid entering the outer casing of the therapeutic transducer.
  • the cross-section of the integrated ultrasound therapy transducer power amplification module can be annular and adapted to the shape of the therapeutic transducer housing.
  • the power amplification module of the integrated ultrasonic therapy transducer includes an impedance conversion component such as a high frequency transformer, a capacitor and an inductor.
  • the integrated ultrasound therapy transducer connection cable consists of two power cords, one coaxial signal cable and two or more other control cables.
  • the piezoelectric transducer can be a planar piezoelectric wafer or a self-focusing piezoelectric wafer.
  • the ultrasonic waves from the piezoelectric transducer can be focused by an acoustic lens.
  • the piezoelectric transducer can be a phased array ultrasonic therapy transducer or a multi-element ultrasound therapy transducer.
  • Figure 1 is a cross-sectional view showing a conventional ultrasonic therapeutic transducer device showing the mounting relationship of the transducer and the power amplifying module;
  • FIG. 2 is a schematic cross-sectional view of a conventional ultrasonic therapy transducer device, showing a schematic diagram of the installation relationship between the transducer and the power amplification module;
  • FIG. 3 is a schematic view showing the installation relationship of an ultrasonic therapeutic transducer and a power amplifying module according to the present invention
  • Figure 4 shows an ultrasound therapeutic transducer and power amplification module of the present invention. Schematic diagram of the relationship
  • Fig. 5 is a schematic view showing the installation relationship of an ultrasonic therapeutic transducer and a power amplifying module according to the present invention.
  • Power amplification module 2 control module 3, cable 4, piezoelectric transducer 5, therapeutic transducer housing 6, acoustic lens 7, power amplification module input interface 8, partition 9, cooling fluid inlet 10, cooling fluid Exit 12, power amplification module output wire 13, heat sink embodiment
  • FIG. 3 shows an embodiment of the present invention, including a power amplifying module 1, a piezoelectric transducer 4, a casing 5, an acoustic lens 6, a power amplifying module input interface 7, a power amplifying module output wire 12, and a heat sink 13. .
  • the piezoelectric transducer 4 for generating the therapeutic ultrasonic wave is pasted together with the acoustic lens 6 with the acoustic lens 6 mounted on the therapeutic transducer housing 5, and the power amplifying module 1 is mounted on the rear side of the piezoelectric transducer 4
  • the heat dissipation surface of the power amplification module 1 is in close contact with the therapeutic transducer housing 5, and the therapeutic transducer housing 5 is used as the heat dissipation plate of the power amplification module 1.
  • the heat generated by the power amplifying module 1 is radiated through the heat sink 13 and the transducer case 5.
  • the power amplifying module output wire 12 is connected to the positive and negative electrodes of the piezoelectric transducer 4.
  • the power amplifier module input interface 7 is used to input an external control signal and a driving power source at a bottom or side of the integrated ultrasonic therapy transducer.
  • the power amplifying module 1 has a circular cross section to accommodate the shape of the therapeutic transducer housing 5.
  • a power amplification module 1 is a second embodiment of the present invention, including a power amplification module 1, a piezoelectric transducer 4, a therapeutic transducer housing 5, an acoustic lens 6, a power amplification module input interface 7, a cooling fluid inlet 9, a cooling fluid The outlet 10, the power amplifying module output wire 12 and the heat sink 13.
  • the piezoelectric transducer 4 and the acoustic lens 6 for generating therapeutic ultrasonic waves are glued together with glue, and the acoustic lens 6 is mounted on the therapeutic transducer housing 5, and the power amplifying module 1 is mounted.
  • a cooling fluid passage is formed between the heat dissipation surface of the power amplification module 1 and the piezoelectric transducer 4, and the cooling fluid is as shown in FIG.
  • the integrated ultrasound treatment transducer is accessed by the inlet 9 to cool the power amplification module 1 and exit through the outlet 10.
  • the cooling fluid can be a circulating gas or a liquid.
  • the power amplifying module output wire 12 is connected to the positive and negative electrodes of the piezoelectric transducer 4.
  • the power amplifier module input interface 7 is used to input an external control signal and a driving power source at a bottom or side of the integrated ultrasonic therapy transducer.
  • the power amplifying module 1 is rounded to accommodate the shape of the therapeutic transducer housing 5, effectively utilizing the area of the space.
  • Figure 5 is a third embodiment of the present invention, including a power amplifying module 1, a piezoelectric transducer 4, a therapeutic transducer housing 5, a power amplifying module input interface 7, a partition 8, a cooling fluid inlet 9, a cooling fluid
  • the outlet 10 the power amplifying module output wire 12 and the heat sink 13.
  • the device has a partition 8 between the piezoelectric transducer 4 and the power amplifying module 1, and the integrated ultrasonic therapeutic transducer is divided into two parts, and the cooling fluid is shown by the arrow in Fig. 5, and is integrated by the inlet 9
  • the lower half of the ultrasound treatment transducer is cooled by the power amplification module 1 and flows out through the outlet 10.
  • the cooling fluid can be a circulating gas or a liquid.
  • the other structure of Fig. 5 is the same as that of Fig. 4 and will not be described again.

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Description

一体化超声治疗换能器装置 技术领域
本发明涉及一种超声治疗设备的部件， 尤其涉及一种超声治疗 设备的换能器装置。 背景技术
超声治疗设备的临床应用对减小设备的体积和重量的要求尤为 迫切，包括减小设备的整体重量和体积以及减小诸如换能器装置等设 备各个零部件的重量和体积。图 1和图 2所示为现有超声治疗换能器 装置的剖面示意图。 如图所示， 现有超声治疗设备的功率放大模块 1 与治疗换能器 5分开安装，并通过电缆 3与治疗换能器 5接通。这种 结构的体积大， 重量重， 信号传输和阻抗匹配都比较困难。功率放大 模块 1与治疗换能器 5的分离安装模式使高频大功率电信号需通过电 缆 3传输至治疗换能器 5， 如果电缆 3参数选择不当或电缆 3过长， 将会造成严重的电磁污染。
治疗换能器与功率放大模块分开安装使超声治疗设备体积增 大， 各单元之间位置分散， 给工程设计增加了诸多问题。 因为每个治 疗换能器的阻抗、声发射效率都有差别，故分开式安装使得治疗换能 器与功率放大模块的一致性、 互换性都不易解决。 发明内容
本发明的目的是解决以上所述的治疗换能器与功率放大模块分 开安装的问题，而提供一种一体化超声治疗换能器装置，从而克服治 疗换能器与功率放大模块分开安装的缺陷，改善超声治疗中与功率放 大模块之间的阻抗匹配、 电磁兼容的一致性、互换性， 并使治疗设备 小型化。
本发明提供一种一体化超声治疗换能器装置， 包括用于产生治 疗超声波的压电换能器、用于支撑压电换能器的支撑件、驱动压电换 能器的功率放大模块，其中，功率放大模块和压电换能器安装在治疗 换能器的外壳内。
功率放大模块可以安装在压电换能器后侧， 与压电换能器的声 发射面异侧，功率放大模块散热面与治疗换能器的外壳贴合，从而利 用一体化超声治疗换能器外壳作为放大器的散热板。
功率放大模块的散热面与压电换能器之间可以形成一个冷却流 体的通道，以便利用进入治疗换能器的外壳的循环冷却流体冷却功率 放大模块。
一体化超声治疗换能器功率放大模块的横截面可以是环形的， 并与治疗换能器外壳的形状相适应。
一体化超声治疗换能器的功率放大模块包括高频变压器， 电容 和电感等阻抗变换元件。
一体化超声治疗换能器连接电缆包括两根电源线， 一根同轴信 号电缆和两根以上其他控制电缆。
压电换能器可以采用平面压电晶片或自聚焦压电晶片。 压电换 能器发出的超声波可用声透镜聚焦。
压电换能器可以为相控阵式超声治疗换能器或多阵元超声治疗 换能器。
本发明所述的一体化超声治疗换能器的优点在于：
1. 使超声治疗设备实现小型化， 减小体积和重量。
2. 使超声治疗设备的电磁干扰和电磁辐射明显减小。
3. 使超声治疗设备在批量生产中实现性能一致， 具有互换性。 附图说明
图 1所示为现有超声治疗换能器装置的剖面示意图， 显示了换 能器和功率放大模块的安装关系；
图 2所示为现有超声治疗换能器装置的剖面示意图， 显示了换 能器和功率放大模块的安装关系示意图；
图 3所示为本发明的一种超声治疗换能器和功率放大模块的安 装关系示意图；
图 4所示为本发明的一种超声治疗换能器和功率放大模块的安 装关系示意图；
图 5所示为本发明的一种超声治疗换能器和功率放大模块的安 装关系示意图。
图中符号说明：
1、功率放大模块 2、控制模块 3、电缆 4、压电换能器 5、 治疗换能器外壳 6、 声透镜 7、 功率放大模块输入接口 8、 隔板 9、 冷却流体进口 10、 冷却流体出口 12、 功率放大模 块输出电线 13、 散热片 具体实施方式
本发明的具体实施方式如下。
图 3所示为本发明的一种实施方式， 包括功率放大模块 1、压电 换能器 4、 外壳 5、 声透镜 6、 功率放大模块输入接口 7、 功率放大模 块输出电线 12和散热片 13。用胶将用于产生治疗超声波的压电换能 器 4与声透镜 6粘贴在一起， 声透镜 6安装在治疗换能器外壳 5上， 功率放大模块 1安装在压电换能器 4后侧，与压电换能器 4的声发射 面异侧，功率放大模块 1的散热面与治疗换能器外壳 5紧贴，并利用 治疗换能器外壳 5作为功率放大模块 1的散热板，此时，功率放大模 块 1产生的热通过散热片 13、 换能器外壳 5来散热。
功率放大模块输出电线 12连接在压电换能器 4的正负两个电极 上。
功率放大模块输入接口 7用来输入外来的控制信号和驱动电源， 位置在一体化超声治疗换能器的底部或侧面。
功率放大模块 1的横截面为环形， 以适应治疗换能器外壳 5的 形状。
图 4为本发明的第二种实施方式，包括功率放大模块 1、压电换 能器 4、 治疗换能器外壳 5、 声透镜 6、 功率放大模块输入接口 7、 冷 却流体进口 9、 冷却流体出口 10、 功率放大模块输出电线 12和散热 片 13。 用胶将用于产生治疗超声波的压电换能器 4和声透镜 6粘贴 在一起，声透镜 6安装在治疗换能器外壳 5上，功率放大模块 1安装 在压电换能器 4后侧，与压电换能器 4的声发射面异侧，功率放大模 块 1的散热面与压电换能器 4之间形成冷却流体通道，冷却流体如图 4中箭头所示， 由进口 9进入一体化超声治疗换能器以冷却功率放大 模块 1， 并经出口 10流出。 所述冷却流体可以是循环气体或液体。
功率放大模块输出电线 12连接在压电换能器 4的正负两个电极 上。
功率放大模块输入接口 7用来输入外来的控制信号和驱动电源， 位置在一体化超声治疗换能器的底部或侧面。
功率放大模块 1做成圆形， 以适应治疗换能器外壳 5的形状， 有效利用空间的面积。
图 5为本发明的第三种实施方式，包括功率放大模块 1、压电换 能器 4、 治疗换能器外壳 5、 功率放大模块输入接口 7、 隔板 8、 冷却 流体进口 9、 冷却流体出口 10、 功率放大模块输出电线 12和散热片 13。 本装置在压电换能器 4和功率放大模块 1中间有一个隔板 8， 把 一体化超声治疗换能器分为两部分，冷却流体如图 5中箭头所示， 由 进口 9 进入一体化超声治疗换能器的下半部分以冷却功率放大模块 1 , 并经出口 10 流出。 所述冷却流体可以是循环气体或液体。 图 5 的其他结构与图 4相同， 这里不再赘述。

Claims

1.一种一体化超声治疗换能器装置， 包括用于产生治疗超声波 的压电换能器、用于支撑压电换能器的支撑件、驱动压电换能器的功 率放大模块，其特征在于，功率放大模块和压电换能器安装在治疗换 能器的外壳内。
2.根据权利要求 1所权述的一体化超声治疗换能器装置， 其中功 率放大模块安装在压电换能器后侧， 与压电换能器的声发射面异侧， 功率放大模块散热面与治疗换能器外壳紧贴，一体化超声治疗换能器 的外壳也是功率放大模块的散热板。
书
3.根据权利要求 1所述的一体化超声治疗换能器装置， 其中功 率放大模块安装在压电换能器后侧， 与压电换能器的声发射面异侧， 功率放大模块散热面与压电换能器之间形成冷却流体通道。
4.根据权利要求 1所述的一体化超声治疗换能器装置， 其中所 述的一体化超声治疗换能器功率放大模块的横截面为环形，与治疗换 能器外壳的形状相适应。
5.根据权利要求 1所述的一体化超声治疗换能器装置， 其中所 述的压电换能器为平面压电晶片。
6.根据权利要求 5所述的一体化超声治疗换能器装置， 其中所 述的压电换能器发出的超声波用声透镜聚焦。
7.根据权利要求 1所述的一体化超声治疗换能器装置， 其中所 述的压电换能器为自聚焦压电晶片。
8.根据权利要求 1所述的一体化超声治疗换能器装置， 其中所 述的压电换能器为相控阵式超声治疗换能器。
9.根据权利要求 1 所述的一体化超声治疗换能器装置， 其中所 述的压电换能器为多阵元超声治疗换能器。
PCT/CN2005/001390 2005-01-10 2005-09-02 Integral transducer apparatus for ultrasonic treatment Ceased WO2006072199A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BRPI0518500-9A BRPI0518500A2 (pt) 2005-01-10 2005-09-02 dispositivo transdutor integral para um tratamento por ultra-som
CA002591265A CA2591265C (en) 2005-01-10 2005-09-02 Integral transducer apparatus for ultrasonic treatment
AU2005324272A AU2005324272B2 (en) 2005-01-10 2005-09-02 An integrated ultrasound therapy transducer assembly
US11/794,929 US8251929B2 (en) 2005-01-10 2005-09-02 Integrated ultrasound therapy transducer assembly
EP05781872A EP1837052A4 (en) 2005-01-10 2005-09-02 INTEGRAL TRANSDUCER APPARATUS FOR ULTRASONIC TREATMENT
JP2007549781A JP2008526327A (ja) 2005-01-10 2005-09-02 集積超音波療法トランスデューサアセンブリ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2005100003496A CN100506323C (zh) 2005-01-10 2005-01-10 一体化超声治疗换能器装置
CN200510000349.6 2005-01-10

Publications (1)

Publication Number Publication Date
WO2006072199A1 true WO2006072199A1 (en) 2006-07-13

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PCT/CN2005/001390 Ceased WO2006072199A1 (en) 2005-01-10 2005-09-02 Integral transducer apparatus for ultrasonic treatment

Country Status (10)

Country Link
US (1) US8251929B2 (zh)
EP (1) EP1837052A4 (zh)
JP (2) JP2008526327A (zh)
KR (1) KR100895359B1 (zh)
CN (1) CN100506323C (zh)
AU (1) AU2005324272B2 (zh)
BR (1) BRPI0518500A2 (zh)
CA (1) CA2591265C (zh)
RU (1) RU2370290C2 (zh)
WO (1) WO2006072199A1 (zh)

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RU2370290C2 (ru) 2009-10-20
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EP1837052A4 (en) 2009-08-05
KR20070091010A (ko) 2007-09-06
JP2012050836A (ja) 2012-03-15
AU2005324272B2 (en) 2008-12-18
JP2008526327A (ja) 2008-07-24
EP1837052A1 (en) 2007-09-26
CA2591265A1 (en) 2006-07-13
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RU2007126371A (ru) 2009-02-20
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