A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 8/12 (2006.01) A61B 8/08 (2006.01)
Patent
CA 2094933
An imaging system and an insonifier (55) for detecting the position and orientation of devices adapted to produce intravascular ultrasonic images from a human body, especially from an artery. The system includes a catheter (20) having a pair of trans- ducers (34, 34a) rotate about the axis of the catheter One of the transducers is for receiving the transmitted sound. The insonifier (55) includes a third transducer (91) that transmits sound at a frequency that can be received by the transducer in the catheter and is op- eratively associated with the catheter to provide sound at the same frequency as the first transducer. The sonogram that is produced can be displayed on a CRT (53a) and is the product of image detected by re- ceiver in the catheter. Both images are simultaneously displayed to form a composite which enables the user to determine the position and the orientation of the tip of the catheter.
Boston Scientific Corporation
Swabey Ogilvy Renault
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