Doppler transducer probe with direction indicator

Details Doppler transducer probe with direction indicator Doppler transducer probe with direction indicator

1991-03-05

1992-04-14

Jaworski, Francis

Surgery

Truss

Pad

12866108, 12866203, 12866204, A61B 802

Patent

active

051038250

ABSTRACT:
Current-responsive light-emitting diodes of different colors are provided adjacent to the tip of the hand-held transducer probe of a medical Doppler device. Mechanism is provided to actuate the diodes of one color when the direction of internal body matter detected by the Doppler device is toward the probe and to actuate lights of a different color when the direction of detected internal body matter is away from the probe. In addition, power supply to the diodes is controlled so that increasing brightness indicates increasing velocity of the detected internal body matter.

REFERENCES:
patent: 3964296 (1976-06-01), Matzuk
patent: 4515164 (1985-05-01), Slavin
patent: 4986276 (1991-01-01), Wright
patent: 4995396 (1991-02-01), Inaba et al.
"Letters to the Editor, " Ultrasound in Med. & Biol, vol. 2, (Feb. 1976) p. 135.
A Pilot Clinical PEP Monitor, Transactions on Biomedical Engineering, vol. BME-26, No. 6, Jun. 1979, pp. 345-349.
The Complete Doppler CW-1A Sheet of D. E. Hokanson, Inc., published at least as early as 1985.

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