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A Trapezoidal-Wave Electromagnetic Blood Flowmeter

Description: The electromagnetic flowmeter is an instrument that measures the velocity of a fluid moving in a tube or pipe. By constraining the vessel in a sleeve, flow may be measured directly. A magnetic field crosses the tube at 90 deg to the axis of the tube and to the plane of the electrcdes. As the ions in the fiuid pass the magnetic field, a voltage is induced in the electrode. This fiowmeter is different from existing fiowmeters because of the unique trapezoidal waveform that energizes the magnet. I… more
Date: June 1, 1960
Creator: Yanof, H. M. & Salz, P.
Partner: UNT Libraries Government Documents Department
open access

A Study of the Mechanical Impedance to Flow in the Femoral Peripheral Vascular Bed of the Dog

Description: The mechanical impedance to blood flow in the hind limb of the dog was studied, and a dynamic relationship among the various factors affecting blood flow was derived. The blood flow through the femoral artery was routed through external polyethylene tubing containing an electromagnetic flowmeter and a Statham pressure transducer. The pulsatile blood pressure and the blood flow were displayed simultaneously on a dual-beam oscilloscope and recorded on 35-mm film. The pressure and the flow curves … more
Date: July 1, 1960
Creator: Yanof, H. M. & Stacy, R. W.
Partner: UNT Libraries Government Documents Department
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