Every kid who has ever puffed out his cheeks blowing up a sausage-shaped toy balloon has marveled that anything as immaterial as air can make the thin rubber so rigid and strong. This week the Bauer & Black division of Boston's Kendall Co. is putting on the general market an inflatable splint based on the same simple principle, but made of heavy, transparent plastic.
Called the Curity Immobil-Air bandage, the device actually consists of two tubes, one inside the other. When it is pulled over a broken or badly burned limb, the inner tube fits loosely. Then, as a first-aider blows...
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