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    • 110. 发明授权
    • Ultrasonic bone testing with copolymer transducers
    • 超声波骨骼检测用共聚物换能器
    • US06835178B1
    • 2004-12-28
    • US09595074
    • 2000-06-16
    • Kevin WilsonHong WangJay SteinMitchell ThompsonKlaus KubierschkyKyung ParkDick CabralGlen MacGibbon
    • Kevin WilsonHong WangJay SteinMitchell ThompsonKlaus KubierschkyKyung ParkDick CabralGlen MacGibbon
    • A61B812
    • A61B8/4281A61B8/0875A61B8/4483
    • Ultrasonic bone testing apparatus including a pair of spaced piezoelectric copolymer transducers for transmitting and receiving ultrasonic energy through a bone-containing portion of a human or other animal disposed between the transducers, and circuitry for detecting an electrical signal generated by the receiving transducer in response to reception of ultrasonic energy. The transducers are disks of the copolymer supported by rigid rings spaced inwardly of their peripheries. A method of determining a characteristic of bone in a bone-containing portion of an animal includes positioning a pair of piezoelectric copolymer ultrasonic transducers respectively on opposite sides of, and ultrasonically coupling both transducers to, the animal portion, and transmitting ultrasonic energy through the animal portion including the bone to be tested from one transducer to the other. The animal portion may be a human heel.
    • 超声波骨测试装置包括一对间隔开的压电共振换能器,用于通过设置在换能器之间的人或其他动物的含骨部分传送和接收超声波能量,以及用于检测由接收换能器响应于 接收超声能量。 传感器是由其周围间隔开的刚性环支撑的共聚物的盘。 一种确定动物的含骨头部分中的骨骼特性的方法包括将一对压电共聚物超声波换能器分别定位在动物部分的相对侧并将两个换能器超声波耦合到动物部分,并且通过动物传送超声波能量 包括从一个换能器到另一个换能器的被测试骨骼的部分。 动物部分可以是人的脚跟。