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    • 13. 发明授权
    • Interface element for medical ultrasound transducer
    • 医用超声波传感器接口元件
    • US5505205A
    • 1996-04-09
    • US275562
    • 1994-07-15
    • Rodney J. SolomonGregory G. VogelRobert W. KingSusan Williams
    • Rodney J. SolomonGregory G. VogelRobert W. KingSusan Williams
    • A61B8/14A61B8/00G01N29/24G10K11/02G10K11/30H04R17/00
    • G10K11/30G10K11/02
    • An ultrasound transducer assembly includes an ultrasound transducer for transmitting and receiving ultrasound energy and one or more interface elements for conducting transmitted ultrasound energy from the transducer to a patient's body and for conducting received ultrasound energy from the patient's body to the transducer. At least one ultrasound-transmissive interface element is fabricated of a polymeric material. The material preferably has a sound speed that approximately matches the speed of sound in human tissue. The material comprises at least one primary rigid component material and at least one secondary component material, and has a Shore D durometer hardness value of greater than about 60D, and a sound speed of between about 1,450 meters/second and about 1,700 meters/second. The ultrasound-transmissive element fabricated of a polymeric material can be a protective lens cover, an ultrasound lens or lens element, an ultrasound-transmissive window or a sound pipe.
    • 超声换能器组件包括用于传送和接收超声能量的超声换能器以及一个或多个界面元件,用于将传递的超声能量从换能器传导到患者体内,并将接收到的超声能量从患者身体传导到换能器。 至少一个超声透射界面元件由聚合物材料制成。 该材料优选地具有与人体组织中的声音速度近似匹配的声速。 该材料包括至少一种主刚性组分材料和至少一种次要组分材料,并且具有大于约60D的肖氏D硬度计硬度值,以及约1450米/秒至约1,700米/秒之间的声速。 由聚合材料制成的超声波透射元件可以是保护性透镜盖,超声波透镜或透镜元件,超声波透射窗或声管。