Word: fibers
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Broadening the Benefits. Refined and streamlined, Heyns's decompression unit now consists of a tent or bag of plastic supported by a barrel-shaped glass-fiber frame. The zippered bag encases the woman from the armpits down. As the pregnant mother relaxes in a chair, a hose attached to the frame draws air out of the enclosure, reducing air pressure on the abdomen by as much as 3 Ibs. per square inch. Normal pressure within the abdomen remains constant, pushing out the abdominal muscle as decompression outside increases...
...fiber optics instrument allows heart defects and functions that cannot be detected by x-ray and electrocardiogram, to be seen and filmed, Dr. Gamble said. It makes possible direct visualization of the color, shape, texture, and motion of the heart, Dr. Gamble said, without necessitating surgery...
Some surgery is very dangerous if certain anatomic formations exist in a diseased heart, he said. The direct view of the heart, available through the fiber optics instrument, gives vital information without risking dangerous surgery...
...instrument is inserted into the blood vessels through the neck or leg. Light inside the heart and vessels is provided from a high intensity mercury are lamp and carried on down a second fiber optic system to the lenses...
...been visualized without surgery once before by the use of a rigid stainless steel rod also introduced through the blood vessels. But the rigidity of this instrument made it difficult to manipulate. It was unable to pass through the variety of valves, blood vessels and chambers that the flexible fiber optics system can, Dr. Gamble said...