WO2020051742A1 - 一种超声探头 - Google Patents

一种超声探头 Download PDF

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Publication number
WO2020051742A1
WO2020051742A1 PCT/CN2018/104875 CN2018104875W WO2020051742A1 WO 2020051742 A1 WO2020051742 A1 WO 2020051742A1 CN 2018104875 W CN2018104875 W CN 2018104875W WO 2020051742 A1 WO2020051742 A1 WO 2020051742A1
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WO
WIPO (PCT)
Prior art keywords
acoustic head
plane
acoustic
angle
pressure sensor
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/CN2018/104875
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English (en)
French (fr)
Inventor
郑洲
唐明
李双双
陈志杰
吴飞
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.)
Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific 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 Shenzhen Mindray Bio Medical Electronics Co Ltd, Shenzhen Mindray Scientific Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to PCT/CN2018/104875 priority Critical patent/WO2020051742A1/zh
Priority to CN201880018260.8A priority patent/CN110573086B/zh
Publication of WO2020051742A1 publication Critical patent/WO2020051742A1/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
    • 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
    • A61B8/08—Clinical applications
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0875—Clinical applications for diagnosis of bone
    • 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

Definitions

  • the present application relates to a medical device, and in particular, to a probe structure of an ultrasonic device.
  • An ultrasonic probe is a necessary component in an ultrasonic device. It usually has an acoustic head that emits and receives ultrasonic waves and a trigger button that controls the working state of the probe. During the inspection, the operator holds the probe and contacts the front end of the acoustic head with the subject. The acoustic head emits ultrasonic waves and receives reflected ultrasonic waves for forming an image for reference by the operator.
  • the operator is used to using his thumb to press the trigger button.
  • the subject When the subject is lying flat, the subject's ribs are at a certain angle with the ground.
  • the operator uses the probe to scan according to the usual holding posture.
  • the trigger button of the probe and the acoustic head have a fixed relative position relationship, at this time, In this holding position, as shown in Figure 1, the four opposite corners of the acoustic head 2 of the probe will be easily blocked by the ribs 1, affecting the imaging effect, so the operator must turn the probe, as shown in Figure 2, to make the sound
  • the head 2 is located between the two ribs in parallel to ensure the imaging effect.
  • this operation requires the operator's wrist to also rotate, which will cause inconvenience to the operator, especially when the measurement is repeated many times, which will easily cause the operator to fatigue and affect the operation efficiency.
  • the invention mainly provides a new type of ultrasonic probe, which is used to improve the convenience of using the probe.
  • an ultrasonic probe including: a housing; an acoustic head assembly, the acoustic head assembly including an acoustic head, and one end of the acoustic head is exposed from the housing for contacting the subject, so The acoustic head has a corresponding scanning surface, and the plane on which the scanning surface is located is the first plane; a pressure sensor, the acoustic head and the pressure sensor are connected in a manner capable of transmitting pressure, and the pressure sensor is used to detect the voice of the subject The force of the head; and a trigger, the trigger is disposed on the housing for controlling the working state of the acoustic head assembly, wherein the plane on which the trigger is located is a second plane, and the first plane and the The second planes intersect, and the included angle a formed by the intersections is an acute or obtuse angle.
  • the included angle a ranges from 30 ° ⁇ a ⁇ 60 °.
  • a range of the included angle a is: 40 ° ⁇ a ⁇ 50 °.
  • the included angle a is 45 °.
  • the ultrasonic probe further includes a sensor holder, the pressure sensor is mounted on the sensor holder, the acoustic head assembly includes a acoustic head holder, and the acoustic head is installed on the acoustic head holder.
  • the acoustic head fixing base and the pressure sensor are connected in a manner capable of transmitting pressure.
  • the sensor fixing frame includes a base body and a limiting structure provided on the base body, the limiting structure defines a mounting position for mounting a pressure sensor, and the mounting position is deflected and arranged on a surface of the base body, The pressure sensor and the acoustic head connected to the pressure sensor are deflected from the base to ensure that the scanning surface of the acoustic head can form the included angle a with the plane where the trigger is located.
  • a side of the acoustic head fixing seat facing the pressure sensor has a sensor limiting groove
  • a side of the acoustic head fixing seat opposite the sensor limiting groove has a acoustic head mounting groove
  • the sensor limits The groove and the acoustic head installation groove are staggered to set an angle setting, so as to ensure that the scanning surface of the acoustic head can form the included angle a with the plane where the trigger is located.
  • an ultrasonic probe including: a housing; an acoustic head assembly, the acoustic head assembly including an acoustic head, and one end of the acoustic head is exposed from the housing for contacting the subject, so The acoustic head has a corresponding scanning surface, and the plane on which the scanning surface is located is a first plane; and a trigger is provided on the housing for controlling the working state of the acoustic head assembly, wherein the trigger is The plane in which the plane lies is a second plane, the first plane intersects the second plane, and the included angle a formed by the intersection is an acute or obtuse angle.
  • the included angle a ranges from 30 ° ⁇ a ⁇ 60 °.
  • a range of the included angle a is: 40 ° ⁇ a ⁇ 50 °.
  • the included angle a is 45 °.
  • the ultrasound probe further includes a pressure sensor
  • the acoustic head is connected to the pressure sensor in a manner capable of transmitting pressure
  • the pressure sensor is used to detect the force exerted on the acoustic head by the subject.
  • the acoustic head of the probe is deflected by a set angle, so that the first plane where the scanning surface corresponding to the acoustic head intersects with the second plane where the trigger is located.
  • the angle a formed by the intersection is an acute angle or an obtuse angle.
  • This angle can be set according to the specific application object of the probe, for example, it can be set according to the tilt angle of the human rib.
  • the operator uses the probe to detect some obliquely extending targets, such as the ribs of the human body, the operator can still use the usual holding posture to hold the probe, but because the acoustic head and the trigger are staggered at a certain angle, at this time
  • the acoustic head can form a parallel state as shown in FIG. 2 between the ribs, so that the accuracy of the detection can be guaranteed, and the operator does not need to turn his wrist to adapt to the rotation of the acoustic head.
  • FIG. 1 is a schematic diagram of the positions of the acoustic head and the ribs when using a conventional ultrasonic probe to detect human ribs;
  • FIG. 2 is a schematic diagram of adjusting the acoustic head to a position parallel to a human rib;
  • FIG. 3 is an outline structural diagram of an ultrasonic probe in this embodiment
  • FIG. 4 is a schematic diagram of an internal partial structure of an ultrasonic probe in this embodiment
  • 5 and 6 show the relationship between the acoustic head shown in the embodiment and its corresponding scanning plane from two perspectives;
  • FIG. 7 is a schematic diagram of an included angle between a plane on which a scanning surface is located and a plane on which a trigger is located in the embodiment;
  • FIG. 8 is a schematic structural diagram of another ultrasonic probe acoustic head and a pressure sensor deflection setting in this embodiment
  • FIG. 9 is a schematic diagram of the deflection setting of the acoustic head mounting groove and the pressure sensor limiting groove in the embodiment shown in FIG. 8.
  • connection and “connection” in this application include direct and indirect connections (connections) unless otherwise specified.
  • an ultrasonic probe which is mainly used to send and receive ultrasonic waves as part of an ultrasonic device, so as to be able to form an image of a detection part of a subject for reference by an operator.
  • the ultrasound equipment can be related equipment such as an ultrasound diagnostic instrument.
  • the ultrasonic probe includes a housing 100, an acoustic head assembly 200, a pressure sensor 300, and a trigger 400.
  • the ultrasound probe also has other components such as a control unit.
  • the ultrasound probe may not include the pressure sensor 300.
  • the ultrasonic probe may not detect or detect the force exerted on the acoustic head by the subject.
  • the housing 100 serves as a supporting structure for the entire ultrasound probe, and other components are based on the housing 100 as an installation base.
  • the acoustic head assembly 200 mainly includes an acoustic head 210. One end of the acoustic head 210 is exposed from the casing 100 for contacting the subject.
  • the acoustic head 210 may adopt various types of acoustic heads.
  • a common acoustic head may include a structure such as a backing, a wafer, and a lens.
  • the side A where the end of the acoustic head 210 in contact with the subject is located is the front end of the probe, and the side opposite to the front end B is the rear end.
  • the rear end of the housing 100 is extended.
  • the side shown by C in FIG. 3 is the left side of the probe, and the side shown by D is the right side of the probe.
  • other definitions of the front-back, left-right, and left-right directions may be adopted, but the relative positional relationship between them is not changed.
  • Each acoustic head 210 has a corresponding scanning surface 201, which is a scanning area of the acoustic head 210, and finally forms a flat image based on the scanning area.
  • FIG. 5 is a cross-sectional view of a portion of the acoustic head 210 cut in the front-rear direction in an embodiment.
  • FIG. 6 is a view of the acoustic head 210 viewed from the front end of the acoustic head 210 in an embodiment.
  • the scanning surface 201 shown in the figure is located in the middle of the acoustic head 210 and is arranged along the front-rear direction of the probe.
  • the corresponding relationship between the acoustic head 210 and the scanning surface 201 is well known in the art, and the positional relationship between the acoustic head 210 and the scanning surface 201 and how to determine the scanning surface 201 of the acoustic head 210 are not described in detail here.
  • the acoustic head 210 and the pressure sensor 300 are connected in a manner capable of transmitting pressure.
  • This manner of transmitting pressure can be a fixed connection between the two, or can be in contact with each other, or pressure transmission can be achieved through an intermediate structure.
  • the pressure sensor 300 is used to detect the force exerted on the acoustic head 210 by the subject, so as to reversely know the pre-pressure of the acoustic head 210 on the subject.
  • the trigger 400 is disposed on the casing 100 and is used to control the working state of the acoustic head 210.
  • the trigger 400 can be a button, a toggle switch or a touch switch.
  • the trigger 400 is connected to a control unit of the probe.
  • the plane on which the scanning plane is located is referred to as a first plane 202
  • the plane on which the trigger 400 is located is referred to as a second plane 401.
  • the first plane 202 intersects the second plane 401 and intersects
  • the included angle a is an acute angle or an obtuse angle.
  • the second plane 401 in this embodiment refers to: when the probe is set with the trigger 400 facing up as shown in FIG. 7 (FIG. 7 is from the front of the probe The probe is shown at the end.)
  • the horizontal plane of the trigger 400 is a second plane 401.
  • the second plane 401 may be a horizontal plane at any position in the height direction of the trigger 401 in FIG. 7. Since these horizontal planes are parallel to each other, The included angles of a plane 202 are all the same. This angle a can be set according to the specific application object of the probe, for example, it can be set according to the inclination angle of a human rib.
  • the acoustic head 210 is offset from the trigger 400 by a certain angle, when the operator uses a probe to detect some obliquely extending targets, such as the ribs of a human body, the scanning surface 201 of the acoustic head 210 can be aligned with the intercostal space. The operator can still maintain the normal holding mode without causing discomfort to the operator. During actual detection, the operator holds the probe in a normal posture. Compared with the conventional probe, the acoustic head 210 of the probe shown in this embodiment is deflected, so that the scanning surface 201 of the acoustic head 210 can be parallel to the ribs. To avoid the impact of ribs on the scan results.
  • the scanning surface 201 of the acoustic head 210 can be adjusted to the required position by simply adjusting the probe angle, which is convenient for operation, greatly reducing the operator's work intensity and more convenient operation. .
  • the included angle a formed by the intersection of the plane where the trigger 400 is located and the plane where the scanning surface 201 is located ranges from 30 ° ⁇ a ⁇ 60 °. In a more specific embodiment, the included angle a ranges from 40 ° ⁇ a ⁇ 50 °. More specifically, in an embodiment, the included angle a may be selected to be 45 °.
  • a sensor fixing bracket 500 is further included, and the pressure sensor 300 is mounted on the sensor fixing bracket 500.
  • the sensor fixing bracket 500 may be fixedly mounted on the casing 100 or may be mounted on other components and then mounted on the casing 100 through other components.
  • the acoustic head assembly 200 includes an acoustic head fixing base 220.
  • the acoustic head 210 is mounted on the acoustic head fixing base 220, and is usually fixedly connected.
  • the acoustic head fixing base 220 is connected to the pressure sensor 300 for transmitting pressure.
  • the sensor fixing bracket 500 includes a base 510 and a limiting structure 520 disposed on the base 510.
  • the position-limiting structure 520 may be a bump or other structures.
  • the base 510 can be mounted on the casing 100 by the conventional method.
  • the limiting structure 520 defines an installation position for installing the pressure sensor 300.
  • the installation position is deflected and arranged on the surface of the base 510, so that the pressure sensor 300 and the acoustic head 210 connected to the pressure sensor 300 are deflected from the base 510.
  • the scanning surface 201 of the acoustic head 210 can form the aforementioned angle a with the second plane on which the trigger 400 is located.
  • the mounting structure of the acoustic head 210 and the acoustic head fixing base 220 does not need to be changed, and only the matching structure between the pressure sensor 300 and the sensor fixing frame 500 can be changed, which can reduce the modification of the existing probe structure and reduce the cost. .
  • a side of the acoustic head fixing base 220 facing the pressure sensor 300 has a sensor limiting groove 221, and a side of the acoustic head fixing base 220 opposite to the sensor limiting groove 221
  • the acoustic head mounting groove 222 is provided.
  • the sensor limiting groove 221 and the acoustic head mounting groove 222 are set at different angles to ensure that the scanning surface 201 of the acoustic head 210 can form an angle a with the second plane where the trigger 400 is located.
  • the acoustic head mounting groove 222 may be surrounded by a plurality of (for example, four) limiting blocks 225, and the acoustic head 210 is fixedly installed in the acoustic head mounting groove 222.
  • FIG. 9 the relative position relationship between the sensor limiting groove 221 and the acoustic head mounting groove 222 is shown in the form of a wire frame.
  • the center line 224 forms an included angle b, which is an acute angle or an obtuse angle.
  • the included angle b may be the same as or different from the above included angle a.
  • the choice of the degree is related to the structure of the acoustic head 210 and the acoustic head fixing base 220, but the ultimate purpose is to ensure that the scanning surface 201 of the acoustic head 210 can
  • An included angle a is formed with the second plane where the trigger 400 is located.

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Abstract

一种超声探头，其声头（210）偏转了设定角度，使得该声头（210）所对应的扫描面（201）所在平面（202）与触发件（400）所在平面（401）相交，且相交所形成的夹角a为锐角。这个角度可根据探头的具体应用对象来设定，例如可以根据人体肋骨的倾斜角度设置。由于该声头（210）与触发件（400）错开一定的角度，当操作者使用探头对一些斜向延伸的目标物进行检测时，如人体肋部，可保证声头（210）的扫描面（201）能够对齐肋间，而触发件（400）无需偏转，从而使操作者依然可保持正常握持方式，不会对操作者造成不适。

Description

一种超声探头 技术领域
本申请涉及一种医疗器械，具体涉及一种超声设备的探头结构。
 背景技术
超声探头是超声设备中的必要部件，其通常具有发出和接收超声波的声头和控制探头工作状态的触发按键。在检测时，操作者握持探头，将声头前端与被检测者接触，该声头发出超声波并接收反射的超声波，以便用于形成图像，供操作者参考。
通常，操作者习惯使用大拇指按压触发按键。当被检测者平躺时，被检测者肋骨与地面呈一定角度，此时，操作者按照惯常握姿利用探头进行扫描，由于探头的触发按键和声头具有固定的相对位置关系，此时，在这种握姿下，如图1所示，该探头的声头2四个对角处将容易被肋骨1阻挡，影响成像效果，因此操作者必须转动探头，如图2所示，使声头2平行的位于两根肋骨之间，从而保证成像效果。但，这个操作需要操作者手腕也跟着转动，会给操作者带来不便，尤其是反复多次进行测量时，容易导致操作者疲劳，影响操作效率。
 技术问题
本发明主要提供一种新型的超声探头，用以提高探头的使用便利性。
 技术解决方案
一个实施例中，提供了一种超声探头，包括：壳体； 声头组件，所述声头组件包括声头，所述声头的一端从壳体露出，用以与被检测者接触，所述声头具有对应的扫描面，所述扫描面所在平面为第一平面；压力传感器，所述声头与压力传感器以能够传导压力的方式连接，所述压力传感器用于检测被检测者对声头的作用力；以及触发件，所述触发件设置在壳体上，用于控制声头组件的工作状态，其中，所述触发件所在平面为第二平面，所述第一平面与所述第二平面相交，且相交所形成的夹角a为锐角或钝角。
一个实施例中，所述夹角a的取值范围为：30°≤a≤60°。
一个实施例中，所述夹角a的取值范围为：40°≤a≤50°。
一个实施例中，所述夹角a为45°。
一个实施例中，所述的超声探头还包括传感器固定架，所述压力传感器安装在传感器固定架上，所述声头组件包括声头固定座，所述声头安装在声头固定座上，所述声头固定座与压力传感器以能够传导压力的方式连接。
一个实施例中，所述传感器固定架包括座体和设置在座体上的限位结构，所述限位结构限定出用于安装压力传感器的安装位，所述安装位偏转布置在座体的表面，使所述压力传感器及与压力传感器连接的声头相对座体偏转设置，用以保证所述声头的扫描面能够与所述触发件所在平面形成所述夹角a。
一个实施例中，所述声头固定座面向压力传感器的一侧具有传感器限位槽，所述声头固定座与传感器限位槽相背的一侧具有声头安装槽，所述传感器限位槽与声头安装槽错开设定角度设置，用以保证所述声头的扫描面能够与所述触发件所在平面形成所述夹角a。
一个实施例中，提供了一种超声探头，包括：壳体； 声头组件，所述声头组件包括声头，所述声头的一端从壳体露出，用以与被检测者接触，所述声头具有对应的扫描面，所述扫描面所在平面为第一平面；以及触发件，所述触发件设置在壳体上，用于控制声头组件的工作状态，其中，所述触发件所在平面为第二平面，所述第一平面与所述第二平面相交，且相交所形成的夹角a为锐角或钝角。
一个实施例中，所述夹角a的取值范围为：30°≤a≤60°。
一个实施例中，所述夹角a的取值范围为：40°≤a≤50°。
一个实施例中，所述夹角a为45°。
一个实施例中，所述超声探头还包括压力传感器，所述声头与压力传感器以能够传导压力的方式连接，所述压力传感器用于检测被检测者对声头的作用力。
 有益效果
依据上述实施例的超声探头，相对于传统的探头来说，本探头的该声头偏转了设定角度，使得该声头所对应的扫描面所在第一平面与触发件所在第二平面相交，且相交所形成的夹角a为锐角或钝角。这个角度可根据探头的具体应用对象来设定，例如可以根据人体肋骨的倾斜角度而设置。当操作者使用探头对一些斜向延伸的目标物进行检测时，如人体肋部，操作者依然可以使用惯常握姿来握持探头，但由于该声头与触发件错开一定的角度，此时声头可以在肋骨之间形成如图2所示的平行状态，从而能够保证检测的准确性，无需操作者转动手腕来适应声头的转动。
 附图说明
图1为使用现有一种超声探头对人体肋骨检测时声头和肋骨的位置示意图；
图2为将声头调整到与人体肋骨平行位置的示意图；
图3为本实施例中一种超声探头的外形结构图；
图4为本实施例中一种超声探头的内部局部结构示意图；
图5和6从两个视角显示了实施例中所示声头与其对应扫描面的关系；
图7为本实施例中声头扫描面所在平面与触发件所在平面的夹角示意图；
图8为本实施例中另一种超声探头声头和压力传感器偏转设置的结构示意图；
图9为图8所述实施例中声头安装槽和压力传感器限位槽的偏转设置示意图。
 本发明的实施方式
具体实施方式
下面通过具体实施方式结合附图对本发明作进一步详细说明。其中不同实施方式中类似元件采用了相关联的类似的元件标号。在以下的实施方式中，很多细节描述是为了使得本申请能被更好的理解。然而，本领域技术人员可以毫不费力的认识到，其中部分特征在不同情况下是可以省略的，或者可以由其他元件、材料、方法所替代。在某些情况下，本申请相关的一些操作并没有在说明书中显示或者描述，这是为了避免本申请的核心部分被过多的描述所淹没，而对于本领域技术人员而言，详细描述这些相关操作并不是必要的，他们根据说明书中的描述以及本领域的一般技术知识即可完整了解相关操作。
另外，说明书中所描述的特点、操作或者特征可以以任意适当的方式结合形成各种实施方式。同时，方法描述中的各步骤或者动作也可以按照本领域技术人员所能显而易见的方式进行顺序调换或调整。因此，说明书和附图中的各种顺序只是为了清楚描述某一个实施例，并不意味着是必须的顺序，除非另有说明其中某个顺序是必须遵循的。
本文中为部件所编序号本身，例如“第一”、“第二”等，仅用于区分所描述的对象，不具有任何顺序或技术含义。而本申请所说“连接”、“联接”，如无特别说明，均包括直接和间接连接（联接）。
一个实施例中，提供了一种超声探头，其作为超声设备的一部分，主要用于发出和接收超声波，以便于能够将被检测者的检测部位形成图像，供操作者参考。该超声设备可以超声诊断仪等相关设备。
请参考图3和4，该超声探头包括壳体100、声头组件200、压力传感器300以及触发件400。当然，该超声探头还具有控制单元等其他部件。
一个实施例中，该超声探头也可以不包括压力传感器300。例如，该超声探头也可以不检测或者通过其他方式检测被检测者对声头的作用力。
该壳体100作为整个超声探头的支撑结构，其他部件均以该壳体100作为安装基础。该声头组件200主要包括声头210。该声头210的一端从壳体100露出，用以与被检测者接触。在本实施例中该声头210可采用各类结构的声头，例如通常的声头可包括背衬、晶片以及透镜等结构，在此不再赘言。
请参考图3和4，本申请以声头210与被检测者接触的一端所在一侧A为探头的前端，与该前端相对的一侧B为后端，用于连接探头的线缆通常从壳体100的后端伸出，图3中C所示一侧为探头的左侧，D所示一侧为探头的右侧。在其他实施例中，该前后左右方向可采用其他定义，但相互之间的相对位置关系不变。每个声头210都具有对应的扫描面201，该扫描面201即声头210的扫描区域，并最终基于该扫描区域形成平面图像。如图5和6所示，图5为一种实施例中沿前后方向剖切声头210部分的剖视图，该图6为一种实施例中从声头210前端正视声头210的视图，图中所示扫描面201位于声头210中部并沿探头前后方向设置。该声头210与扫描面201的对应关系已属于本领域公知技术，在此不再详细描述声头210和扫描面201之间的位置关系以及如何确定声头210的扫描面201。
该声头210与压力传感器300以能够传导压力的方式连接，这种能够传导压力的方式可以是两者固定连接，也可以相互抵接，或者还可以通过中间结构实现压力传导。该压力传感器300用于检测被检测者对声头210的作用力，从而反向获知声头210对被检测者的预压力。
该触发件400设置在壳体100上，其用于控制声头210的工作状态，通常可采用按键、拨动开关或触控开关等。该触发件400与探头的控制单元连接。
其中，请参考图7，本实施例中将扫描面所在平面称为第一平面202，该触发件400所在平面称为第二平面401，该第一平面202与第二平面401相交，相交所形成的夹角a为锐角或钝角。由于触发件400可能不是平面形状，因此，本实施例所说的第二平面401是指:如图7所示，将探头以触发件400正面朝上的方式设置时（图7是从探头前端正向示出探头），触发件400的水平面为第二平面401，该第二平面401可以是图7中触发件401高度方向上任一位置的水平面，由于这些水平面都相互平行，因此其与第一平面202的夹角均相同。这个角度a可根据探头的具体应用对象来设定，例如可以根据人体肋骨的倾斜角度来设置。
由于该声头210与触发件400错开一定的角度，当操作者使用探头对一些斜向延伸的目标物进行检测时，如人体肋部，可保证声头210的扫描面201能够对齐肋间，操作者依然可保持正常握持方式，不会对操作者造成不适。当实际检测时，该操作者按照正常姿势握持探头，相对传统的探头来说，本实施例所示探头的声头210发生了偏转，使声头210的扫描面201可以平行于肋骨之间，避免肋骨对扫描结果的影响。即使声头210偏转角度与肋骨倾斜角度不一致，也只需微调探头角度，就可以使声头210的扫描面201调整到需要的位置，方便操作，大大减轻了操作者的工作强度，操作更方便。
在一种实施例中，该触发件400所在平面与扫描面201所在平面相交所形成的夹角a的取值范围为：30°≤a≤60°。一种更具体的实施例中，该夹角a的取值范围为：40°≤a≤50°。更具体地，一种实施例中，该夹角a可选择为45°。
进一步地，请参考图4，一种实施例中，还包括传感器固定架500，该压力传感器300安装在传感器固定架500上。该传感器固定架500可以固定安装在壳体100上，或者也可以安装在其他部件上，然后通过其他部件安装到壳体100上。该声头组件200包括声头固定座220，该声头210安装在声头固定座220上，通常是固定连接。声头固定座220与压力传感器300连接，用以传导压力。
请继续参考图4，一种实施例中，该传感器固定架500包括座体510和设置在座体510上的限位结构520。该限位结构520可以是凸块或其他形式的结构。该座体510可通过现有方式安装在壳体100上。该限位结构520限定出用于安装压力传感器300的安装位，该安装位偏转布置在座体510的表面，使压力传感器300及与压力传感器300连接的声头210相对座体510偏转设置，用以保证声头210的扫描面201能够与触发件400所在第二平面形成上述夹角a。这种方式中，声头210以及声头固定座220的安装结构无需变动，只改变压力传感器300与传感器固定架500之间的配合结构即可，可以减少对现有探头结构的改动，降低成本。
在另一种实施例中，请参考图8和9，声头固定座220面向压力传感器300的一侧具有传感器限位槽221，声头固定座220与传感器限位槽221相背的一侧具有声头安装槽222，该传感器限位槽221与声头安装槽222错开设定角度设置，用以保证声头210的扫描面201能够与触发件400所在第二平面形成夹角a。一种实施例中，该声头安装槽222可以是采用多个（如四个）限位块225围成，该声头210固定安装在该声头安装槽222内。
请参考图9，图9中以线框的形式表示了传感器限位槽221和声头安装槽222的相对位置关系，其错开设置即传感器限位槽221的中心线223与声头安装槽222的中心线224形成夹角b，该夹角b为锐角或钝角。该夹角b可能与以上夹角a度数相同，也可能不同，其度数的选择与声头210以及声头固定座220的结构有关，但最终目的是用以保证声头210的扫描面201能够与触发件400所在第二平面形成夹角a。
以上这种方式中，压力传感器300和传感器固定架500无需变动，只需对声头210和声头固定座220的配合结构进行改进即可，可以减少对现有探头结构的改动，降低成本。
以上仅是示例性举出了几个实现触发件400所在平面与扫描面201所在平面成夹角a相交的结构，在其他实施例中依然还可以采用其他变形结构或其他方式来实现这一目的。
以上应用了具体个例对本发明进行阐述，只是用于帮助理解本发明，并不用以限制本发明。对于本领域的一般技术人员，依据本发明的思想，可以对上述具体实施方式进行变化。

Claims (12)

  1. 一种超声探头,其特征在于，包括：
    壳体；
    声头组件，所述声头组件包括声头，所述声头的一端从壳体露出，用以与被检测者接触，所述声头具有对应的扫描面，所述扫描面所在平面为第一平面；
    压力传感器，所述声头与压力传感器以能够传导压力的方式连接，所述压力传感器用于检测被检测者对声头的作用力；
    以及触发件，所述触发件设置在壳体上，用于控制声头组件的工作状态，其中，所述触发件所在平面为第二平面，所述第一平面与所述第二平面相交，且相交所形成的夹角a为锐角或钝角。
  2. 如权利要求1所述的超声探头，其特征在于，所述夹角a的取值范围为：30°≤a≤60°。
  3. 如权利要求1所述的超声探头，其特征在于，所述夹角a的取值范围为：40°≤a≤50°。
  4. 如权利要求1所述的超声探头，其特征在于，所述夹角a为45°。
  5. 如权利要求1-4任一项所述的超声探头，其特征在于，还包括传感器固定架，所述压力传感器安装在传感器固定架上，所述声头组件包括声头固定座，所述声头安装在声头固定座上，所述声头固定座与压力传感器以能够传导压力的方式连接。
  6. 如权利要求5所述的超声探头，其特征在于，所述传感器固定架包括座体和设置在座体上的限位结构，所述限位结构限定出用于安装压力传感器的安装位，所述安装位偏转布置在座体的表面，使所述压力传感器及与压力传感器连接的声头相对座体偏转设置，用以保证所述声头的扫描面能够与所述触发件所在平面形成所述夹角a。
  7. 如权利要求5所述的超声探头，其特征在于，所述声头固定座面向压力传感器的一侧具有传感器限位槽，所述声头固定座与传感器限位槽相背的一侧具有声头安装槽，所述传感器限位槽与声头安装槽错开设定角度设置，用以保证所述声头的扫描面能够与所述触发件所在平面形成所述夹角a。
  8. 一种超声探头,其特征在于，包括：
    壳体；
    声头组件，所述声头组件包括声头，所述声头的一端从壳体露出，用以与被检测者接触，所述声头具有对应的扫描面，所述扫描面所在平面为第一平面；
    以及触发件，所述触发件设置在壳体上，用于控制声头组件的工作状态，其中，所述触发件所在平面为第二平面，所述第一平面与所述第二平面相交，且相交所形成的夹角a为锐角或钝角。
  9. 如权利要求8所述的超声探头，其特征在于，所述夹角a的取值范围为：30°≤a≤60°。
  10. 如权利要求8所述的超声探头，其特征在于，所述夹角a的取值范围为：40°≤a≤50°。
  11. 如权利要求8所述的超声探头，其特征在于，所述夹角a为45°。
  12. 如权利要求8所述的超声探头，其特征在于，还包括压力传感器，所述声头与压力传感器以能够传导压力的方式连接，所述压力传感器用于检测被检测者对声头的作用力。
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