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    • 6. 发明申请
    • TRANSDUCER ARRANGEMENT AND METHOD FOR ACQUIRING SONO-ELASTOGRAPHICAL DATA AND ULTRASONIC DATA OF A MATERIAL
    • 用于获取SONO-ELASTOGRAPHICAL数据和材料的超声波数据的传感器布置和方法
    • US20110137166A1
    • 2011-06-09
    • US13058370
    • 2009-08-10
    • Mareike KleeMichael Harald KuhnKaren Irene TrovatoChristianus Martinus Van HeeschRuediger MauczokMarco De WildBiju Kumar Sreedharan NairKlaus Reimann
    • Mareike KleeMichael Harald KuhnKaren Irene TrovatoChristianus Martinus Van HeeschRuediger MauczokMarco De WildBiju Kumar Sreedharan NairKlaus Reimann
    • A61B8/00
    • A61B8/485A61B8/4281A61B8/4416A61B8/4472A61B8/4483A61B8/4494A61B2562/0204A61B2562/164B06B1/0292G01H11/06G10K9/125
    • The present invention relates to a transducer arrangement, particularly a transducer arrangement for acquiring tissue information, a method for using a transducer arrangement for acquiring tissue information and a glove which comprises a transducer arrangement. The transducer arrangement 21 for analysing material 40 comprises: a first transducer element 51 for inducing and receiving mechanical displacements in the material to be analysed 40; and an analysing unit 30. The transducer arrangement is arranged such as to be flexible in order to conform with a curved surface of the material to be analysed 40; and the transducer arrangement 21 is adapted to derive a first signal from a low frequency spectrum of mechanical displacements which first signal correlates to sono-elastographical properties of a material to be analysed 40; and the transducer arrangement 21 is adapted to derive a second signal from a high frequency spectrum of mechanical displacements received by the first transducer element 51 which second signal correlates to ultrasonic properties of a material to be analysed 40. With a transducer arrangement according to the invention it may be possible to generate information about the topographical anatomy and information about elastical properties of the material to be analyzed in parallel, whereby the transducer arrangement may be adapted to the unevenness of the material's surface optimally due to its flexibility which may allow the examiner or user of the transducer arrangement to analyze regions which normally may have an uneven surface profile, which may only be reached with difficulty or whose examination may cause inconvenience to the examiner as well as to the person that is being examined.
    • 本发明涉及一种换能器装置,特别是一种用于获取组织信息的换能器装置,一种使用换能器装置来获取组织信息的方法和一种包括换能器装置的手套。 用于分析材料40的换能器装置21包括:用于诱导和接收待分析材料40中的机械位移的第一换能器元件51; 和分析单元30.换能器装置布置成柔性以便与要分析的材料40的曲面一致; 并且换能器装置21适于从低频谱的机械位移导出第一信号,第一信号与要分析的材料40的声弹性特性相关; 并且换能器装置21适于从由第一换能器元件51接收的机械位移的高频谱导出第二信号,第二信号与待分析的材料的超声波属性相关。使用根据本发明的换能器装置 有可能产生关于地形解剖学的信息和关于要分析的材料的弹性特性的信息并行地进行,由此,换能器装置可以由于其灵活性而适应于材料表面的不均匀性,其灵活性可允许检查者或 换能器装置的使用者分析通常可能具有不平坦表面轮廓的区域,其可能只能难以达到或者检查可能对检查者以及被检查者造成不便。
    • 9. 发明授权
    • Thin film ultrasound transducer
    • 薄膜超声波换能器
    • US09440258B2
    • 2016-09-13
    • US13812640
    • 2011-07-12
    • Mareike KleeRuediger MauczokHenri Marie Joseph BootsNico Maris Adriaan De WildBiju Kumar Sreedharan NairOlaf WunnickeWillem Franke PasveerDirk Van De LagemaatPeter Dirksen
    • Mareike KleeRuediger MauczokHenri Marie Joseph BootsNico Maris Adriaan De WildBiju Kumar Sreedharan NairOlaf WunnickeWillem Franke PasveerDirk Van De LagemaatPeter Dirksen
    • B06B1/06
    • H03H3/02B06B1/06B06B1/0622B06B1/0688H03H9/172
    • The present invention relates to a transducer (11) comprising—a membrane (31) configured to change shape in response to a force, the membrane (31) having a first major surface (16) and a second major surface (17), —a piezoelectric layer (18) formed over the first major surface (16) of the membrane (31), the piezoelectric layer (18) having an active portion, —first and second electrodes (19) in contact with the piezoelectric layer (18), wherein an electric field between the first and second electrodes (19) determines the mechanical movement of the piezoelectric layer (18), —support structures (40) at the second major surface (17) of the membrane (15) on adjacent sides of the active portion of the piezoelectric layer (18), at least part of the support structures (40) forming walls perpendicular, or at least not parallel, to the second major surface (17) of the membrane (31), so as to form a trench (41) of any shape underlying the active portion, so that an ultrasound transducer is obtained with a high output pressure at the support side than at the opposite side. The invention also relates to a method of forming such a transducer, and an array comprising at least one transducer of the like.
    • 本发明涉及一种换能器(11),其包括 - 被配置为响应于力而改变形状的膜(31),所述膜(31)具有第一主表面(16)和第二主表面(17), - 形成在膜(31)的第一主表面(16)上方的压电层(18),压电层(18)具有有源部分,与压电层(18)接触的第一和第二电极(19) ,其中所述第一和第二电极(19)之间的电场确定所述压电层(18)的机械运动, - 在所述膜(15)的相邻侧上的所述膜(15)的第二主表面(17)处支撑结构(40) 压电层(18)的有效部分,至少部分支撑结构(40)形成与膜(31)的第二主表面(17)垂直或至少不平行的壁,以便形成 在活动部分下方的任何形状的沟槽(41),使得超声波换能器 s在支撑侧的高输出压力获得,而不是在相对侧。 本发明还涉及一种形成这种换能器的方法,以及包括至少一个这样的换能器的阵列。