Medicine: Capsules, Mar. 14, 1955

¶ An electronic blood-pressure recorder developed by the National Bureau of Standards has been marketed by Colson Corp. of Elyria, Ohio. Attached to the patient's arm, it will record blood pressure at whatever intervals the doctors want, from 30 seconds to an hour. Attached to a buzzer, it can call the nurse when pressure gets critically low. Price: $1,500.

¶ Using piano wire bought from a model-airplane shop, two U.C.L.A. surgeons have developed an operation for opening thigh arteries clogged by cholesterol in a common form of arteriosclerosis. A wire loop passed through a...

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