WO2011091613A1 - 超声成像设备中探头自动开关的方法及其装置 - Google Patents

超声成像设备中探头自动开关的方法及其装置 Download PDF

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WO2011091613A1
WO2011091613A1 PCT/CN2010/070559 CN2010070559W WO2011091613A1 WO 2011091613 A1 WO2011091613 A1 WO 2011091613A1 CN 2010070559 W CN2010070559 W CN 2010070559W WO 2011091613 A1 WO2011091613 A1 WO 2011091613A1
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probe
host
ultrasonic imaging
ultrasonic
mainframe
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PCT/CN2010/070559
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French (fr)
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张仁富
黄庆文
毕然
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深圳市理邦精密仪器有限公司
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Publication of WO2011091613A1 publication Critical patent/WO2011091613A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
    • A61B8/4254—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient using sensors mounted on the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4455—Features of the external shape of the probe, e.g. ergonomic aspects

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  • the invention relates to the technical field of ultrasonic imaging devices, in particular to a method for automatically switching a probe in an ultrasonic imaging device and a device for realizing automatic switching of the ultrasonic probe.
  • the ultrasonic probe is an indispensable accessory part of ultrasonic diagnostic equipment such as B-ultrasound and color ultrasound, and the ultrasonic diagnostic equipment generates ultrasonic waves and receives reflected ultrasonic waves through ultrasonic probes to realize ultrasonic imaging and diagnosis.
  • the essence of an ultrasonic probe is a piezoelectric transducer that converts between sound and electricity.
  • the ultrasonic probe is basically in a working state after being turned on, and only under the control of the host module of the ultrasonic diagnostic device, it will automatically turn off after a certain time.
  • the premature probe aging may occur due to the long-term continuous transmission/reception of the probe, which may affect the performance of the parameters such as the sound power and the penetrating power transmitted/received by the probe, thereby affecting Imaging quality and diagnostic results of the entire ultrasound imaging system.
  • the present invention provides a method and apparatus for automatically controlling an ultrasonic probe switch according to the deficiencies of the prior art.
  • the ultrasonic probe When the ultrasonic probe is placed on the probe hanger of the ultrasonic imaging device, the ultrasonic probe will be automatically turned off; when the ultrasonic probe is When the probe hanger is removed, the ultrasonic probe automatically starts working normally.
  • a method for automatically switching a probe in an ultrasonic imaging device comprising a host and a probe, characterized in that: by detecting a position state of the probe, the host controls the working state of the probe.
  • the host When the probe is hung on the host, the host outputs a signal to the probe to stop the probe. When the probe is off the host, the host controls the probe to be in the active transmit state.
  • An automatic switching device for a probe in an ultrasonic imaging apparatus comprising a main body and a probe, wherein: a switch device is disposed on the probe, the probe is mounted on the host, and the switch device is electrically connected to the host by a host to control the probe jobs.
  • the probe is provided with a Hall switch chip, a magnet ring is arranged in the hanger, and a magnetic field generated by the magnet ring controls the operation of the Hall switch chip.
  • the magnetic field generated by the magnet ring triggers the operation of the Hall switch chip of the probe, and the level generated at the output thereof is converted into a logic signal and transmitted to the host to control the probe.
  • the probe's Hall switch chip operates, and the level generated at its output is converted into a logic signal that is transmitted to the host to control the operation of the probe.
  • the invention is based on the electromagnetic induction of the Hall switch to realize the generation of the electric signal, that is, the control of the ultrasonic probe switch is realized.
  • the magnetic field strength reaches a value
  • the trigger inside the driving Hall switch is turned over, and the level of the output end is realized.
  • the Hall switch chip will generate a corresponding logic signal, and the logic signal will be transmitted to the host, and the host can send out the control signal of the ultrasonic probe switch.
  • the above scheme allows the probe to be automatically turned off during idle periods and automatically turned on during the required period of time compared to the prior art. It can effectively protect each array element and maintain the sound power emitted/received by the ultrasonic probe to prevent its aging, thus ensuring the imaging quality and diagnostic effect of the entire ultrasonic imaging system, and greatly improving the service life of the ultrasonic probe.
  • Figure 1 is a flow chart of the operation of the present invention
  • FIG. 2 is a schematic structural view of the probe and the host installation of the present invention
  • Figure 3 is a flow chart of the method of the present invention.
  • the Hall switch chip 4 is in an active state, and the output of the Hall switch chip 4 is level-converted, and a logic signal is transmitted to the host, and the host passes the The logic signal determines that there is a probe placed in the probe pylon and then controls the probe to stop working.
  • the ultrasonic probe 3 is taken out from the probe hanger groove 1
  • the Hall switch chip 4 is separated from the electromagnetic field, and the Hall switch is in an idle state, and the output of the Hall switch chip 4 is level-converted again.
  • a logic signal is generated, and the logic signal is transmitted to the main control module, so that the main control module determines that the probe hanger is hollow, and then controls the probe to be in a working state.
  • FIG. 3 it is a method for the specific application of the B-ultrasound of the present invention, and the B-supercomputer can generally support two probes at the same time.
  • the host controls the ultrasound probe to start working.

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  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
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Description

超声成像设备中探头自动开关的方法及其装置 技术领域
本发明涉及超声成像设备的技术领域，具体涉及的是超声成像设备中探头自动开关的方法以及实现超声探头自动开关的装置。
 背景技术
超声探头是B超仪、彩超仪等超声诊断设备必不可少的附属部分，超声诊断设备通过超声探头产生入射超声波和接收反射超声波来实现超声成像和诊断。超声探头的实质是一种压电换能器，来实现声和电之间的转换。在现有的超声探头产品中，基本都是开机之后超声探头持续处于工作的状态，只有在超声诊断设备主机模块控制下，在设定的若干时间后才会自动关闭。然而超声探头的各个阵元由于在这样长时间持续发射/接收的状情况下，会出现过早的探头老化，这样就会影响探头发射/接收的声功率以及穿透力等参数性能，从而影响整个超声成像系统的成像质量和诊断效果。
 技术问题
本发明针对先有技术的不足，提供一种自动控制超声探头开关的方法及其装置，当超声探头搭放在超声成像设备的探头挂架时，超声探头将会自动关闭；当将超声探头从探头挂架取下时，此时超声探头自动开始正常工作。
 技术解决方案
一种超声成像设备中探头自动开关的方法，包括主机和探头，其特征在于：通过检测探头的位置状态，实现主机对探头的工作状态的控制。
当探头挂置在主机时，主机输出信号至探头停止探头工作；当探头脱离主机时，主机控制探头使其处于工作的发射状态。
超声成像设备中探头的自动开关装置，包括主机和探头，其特征在于：探头上设置开关装置，该探头安装在所述的主机上，并使开关装置与所述主机电连接由主机控制探头的工作。
所述主机上设置有挂架，探头安装在挂架内后，探头上的开关装置与主机电连接，所述主机检测探头的位置信号并输出指令控制探头工作。
探头设置有一霍尔开关芯片，挂架内设置磁铁环，磁铁环产生的磁场控制霍尔开关芯片工作。磁铁环产生的磁场触发探头的霍尔开关芯片工作，其输出端产生的电平转换成逻辑信号传送到主机后控制探头。
探头设置有一霍尔开关芯片，插座内设置磁铁环，磁铁环产生的磁场控制霍尔开关芯片工作。
探头的霍尔开关芯片工作，其输出端产生的电平转换成逻辑信号传送到主机后控制探头的工作。
本发明是基于电磁感应的霍尔开关来实现电信号的产生，即实现超声探头开关的控制，当磁场强度达到一个值时，驱动霍尔开关内部的触发器翻转，输出端的电平也就实现了翻转。通过电平的变化，霍尔开关芯片会产生一个相应的逻辑信号，把逻辑信号传送到主机中，主机就可以发出超声探头开关的控制信号。
 有益效果
采用以上方案与现有的技术相比，使得探头可以在闲置时段自动关闭，并在需要时段自动打开。可以有效的保护各个阵元并维持超声探头发射/接收的声功率以防其老化，从而保证了整个超声成像系统的成像质量和诊断效果，大大的提高超声探头的使用寿命。
附图说明
图1是本发明的工作流程图；
图2是本发明的探头与主机安装的结构示意图；
图3是本发明方法流程图。
 本发明的最佳实施方式
本发明的实施方式
下面以B超机为例，结合附图对本发明作进一步详细的描述。
如图1和图2所示，主机上设置有探头挂架，在探头挂架的两个凹槽的凹槽壁上分别内嵌入一个相应尺寸的磁铁环2，用来产生磁场。具体磁场强度按相应的霍尔开关芯片4的数据规格来确定。在超声探头3的电路板上连接一个霍尔开关芯片4，用来通过感应磁铁环2所产生的磁场实现输出电平的转换。当超声探头3放置在探头挂架凹槽1中时，超声探头3中的霍尔开关芯片4和磁铁环2处于十分靠近的状态，霍尔开关芯片4感应到磁铁环2产生的磁场强度，此强度达到了霍尔开关芯片4的临界点，此时霍尔开关芯片4处于工作状态，霍尔开关芯片4的输出端发生电平的转换，产生一个逻辑信号传送到主机中，主机通过这个逻辑信号判断此探头挂架中有探头放置，然后控制探头为停止工作状态。当超声探头3从探头挂架凹槽1中取出时，霍尔开关芯片4脱离了电磁场的环境中，此时霍尔开关处于闲置状态，霍尔开关芯片4的输出端又发生电平的转换，产生一个逻辑信号，该逻辑信号再传送至主控制模块，使得主控制模块判断此探头挂架中空置，然后控制探头为工作状态。通过以上过程，实现了超声探头由磁场强度控制自动开关的效果。
如图3所示，是本发明在B超机具体应用的方法，B超机都一般可同时支持两个探头工作。
主机首先判断插座上安插的探头数a；
当插座上只插了一个超声探头，即a=1时，
再通过一个自动感应模块来判断探头挂架上是否放置超声探头：
放置超声探头时，主机控制此超声探头停止工作；
未放置超声探头时，主机控制此超声探头开始工作。
当探头插座上插了二个超声探头，即a=2时，再通过一个自动感应模块来判断探头挂架上放置的超声探头数b，当a=b,即二个超声探头都放置在探头挂架上时，主机模块控制超声探头停止工作；当a≠b时，即探头挂架上只放置一个或未放置超声探头时，主机模块控制超声探头开始工作。
也就是说在B超机的具体应用时，当主机检测到有两个探头接入时，必须同时检测到两个挂架凹槽都有探头时才会控制停止探头工作；当主机模块检测到只有一个探头接入时，只要再检测到一个挂架凹槽有探头时就会控制探头停止工作。
以上所述只是本发明一种较佳实施例，但也可以采用其他别的实施方式来实现探头的开关（如通过红外感应和机械重力触发等方法来实现电信号的生成和传递），故凡根据本发明的精神做的细微改变与等同变化，均在本发明的保护范围内。
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Claims (6)

  1. 1、超声成像设备中探头自动开关的方法，包括主机和探头，其特征在于：通过检测探头的位置状态，实现主机对探头的工作状态的控制。
  2. 2、根据权利要求1所述的超声成像设备中探头自动开关的方法，其特征在于：当探头挂置在主机时，主机输出信号至探头停止探头工作；当探头脱离主机时，主机控制探头使其处于工作的发射状态。
  3. 3、超声成像设备中探头的自动开关装置，包括主机和探头，其特征在于：探头上设置开关装置，该探头安装在所述的主机上，并使开关装置与所述主机电连接由主机控制探头的工作。
  4. 4、根据权利要求3所述的超声成像设备中探头的自动开关装置，其特征在于：所述主机上设置有挂架，探头安装在挂架内，探头的开关装置与主机电连接；所述主机检测探头的位置信号并输出指令控制探头工作。
  5. 5、根据权利要求3所述的超声成像设备中探头的自动开关装置，其特征在于：探头设置有一霍尔开关芯片，挂架内设置磁铁环，磁铁环产生的磁场控制霍尔开关芯片工作。
  6. 6、根据权利要求5所述的超声成像设备中探头的自动开关装置，其特征在于：磁铁环产生的磁场触发探头的霍尔开关芯片工作，其输出端产生的电平转换成逻辑信号传送到主机后控制探头。
PCT/CN2010/070559 2010-01-27 2010-02-08 超声成像设备中探头自动开关的方法及其装置 WO2011091613A1 (zh)

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CN105054965A (zh) * 2015-08-26 2015-11-18 成都秋雷科技有限责任公司 改进式超声探头控制方法
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CN105054967A (zh) * 2015-08-26 2015-11-18 成都秋雷科技有限责任公司 高效超声探头控制方法
CN105212962A (zh) * 2015-08-26 2016-01-06 成都秋雷科技有限责任公司 改进式高效超声探头控制方法
CN105116403A (zh) * 2015-08-26 2015-12-02 成都秋雷科技有限责任公司 超声检测探头控制方法
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