Method and device for doppler-guided retrograde catherization

Details Method and device for doppler-guided retrograde catherization Method and device for doppler-guided retrograde catherization

A - Human Necessities

61

B

A61B 8/06 (2006.01) A61B 8/12 (2006.01) A61M 25/01 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2042375

A method is claimed for the intravascular catheterization of a higher mammal without fluoroscopy, which comprises insert- ing into a peripheral blood vessel a steerable catheter (10) which has a Doppler ultrasound transceiver (18) at its tip, generating from signals produced by the ultrasound transceiver (18) a continuous indication of the direction of blood flow direction relative to the catheter tip, visually displaying the indication on a display monitor, and advancing the catheter (10) towards the heart in accordance with the indication of blood flow direction until the catheter is positioned at a desired location within the circulatory system of the mammal. A device for use in carrying out the inventive method is also claimed.

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