Word: catheterizes
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Arteriograms (Xray still photos of arteries that have been flooded with radiopaque dye) help, but they are not always reliable: the "flooding" technique often fails to fill the arteries with enough dye, and still pictures do not clearly separate small vessels that are superimposed on each other. One of the...
Simple Dexterity. Prime element in he Sones-Shirey method is the catheter, a snakelike, 31-in. tube that tapers in diameter from 3.2 mm. down to 1.6 mm. at its tip. The catheter is first inserted in the patient's brachial artery, inside the elbow of the right arm...
¶ Not content with an FM transmitter so small that it can be swallowed for broadcasting from inside the digestive tract (TIME, April 22), medical research-TS and electronics designers have produced a microphone so small that it can be put in the end of a catheter (flexible tube) and...
Dr. Werner Forssmann was young (25) and eager to prove the worth of a revolutionary idea: that it should be possible to learn more about the inside of a diseased human heart by inserting a thin rubber tube (catheter) into it. But none of his hospital colleagues in Eberswalde, near...
¶ To locate defects inside the heart, Physician David H. Lewis of Philadelphia and Engineer James R. Brown Jr. of the U.S. Naval Air Development Center at Johnsville, Pa. have devised a microphone (more precisely, a transducer) no bigger than a pinhead (.06 in. diameter). Slipped into the heart at...