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    • 1. 发明申请
    • DIRECT CONTACT SCANNER AND RELATED METHOD
    • 直接联系扫描仪及相关方法
    • WO1997034288A1
    • 1997-09-18
    • PCT/US1997003225
    • 1997-02-28
    • HEWLETT-PACKARD COMPANY
    • HEWLETT-PACKARD COMPANYDIAS, J., FlemingMELTON, Hewlett, E., Jr.
    • G10K11/24
    • A61B8/12A61B8/445A61B8/4461A61B2017/22017G10K11/24
    • A direct contact scanner (101) uses a fiber acoustic waveguide (107, 141) to convey ultrasound from an ultrasound transducer (117) to a direct contact area (122). The waveguide extends from a main body (105) of the scanner into an oblong nose (109), and terminates in a deflector (149). To minimize thickness of the nose, the waveguide and deflector are rotated about an ultrasound transmission axis (119) of the waveguide, enabling the scanner to be used in a variety of situations where quarters are cramped. A coupling fluid (111) conveys ultrasound between the deflector (149) and a radome (113), which directly contacts the object (103) to be scanned. Using the waveguide, an ultrasound transducer and supporting electronics (118) may be distanced from the direct contact area (122) and separated from the fluid (111), thereby insulating the fluid from possible electronic leakage currents and heat.
    • 直接接触扫描仪(101)使用纤维声波导(107,141)将超声波从超声换能器(117)传送到直接接触区域(122)。 波导从扫描仪的主体(105)延伸成长方形的鼻子(109),并终止在偏转器(149)中。 为了最小化鼻子的厚度,波导和偏转器围绕波导的超声波传播轴线(119)旋转,使得扫描仪能够在季节狭窄的各种情况下使用。 耦合流体(111)在偏转器(149)和直接接触待扫描对象(103)的天线罩(113)之间传送超声波。 使用波导,超声换能器和支撑电子器件(118)可以与直接接触区域(122)分开并与流体(111)分离,从而将流体与可能的电子泄漏电流和热量隔离。