发明名称 Medical needle for use in ultrasonic imaging
摘要 <p>A needle (1) inserted into body tissue (10) is rendered visible to a Doppler ultrasound imager (9) by generating a longitudinal oscillation of the fluid column in the needle barrel by means of a transducer (7) which is energised by a signal of frequency 100Hz to 2kHz, for example. An image (13) of the needle tip (31) is displayed on a screen (12). <IMAGE></p>
申请公布号 GB2287319(A) 申请公布日期 1995.09.13
申请号 GB19950003548 申请日期 1995.02.22
申请人 JOHN FRANCIS * COCKBURN;DONALD JAMES * COCKBURN 发明人 JOHN FRANCIS * COCKBURN;DONALD JAMES * COCKBURN
分类号 A61B10/02;A61B8/08;A61B8/12;A61B10/00;A61B17/00;A61B17/34;A61B19/00;G10K11/22;(IPC1-7):G01S15/89 主分类号 A61B10/02
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