Abstract

A thermometer with a limited range of from 90 to 120 Fahrenheit, which is sufficient for intravenous infusions of various sorts, has been inserted within the lumen of an enlarged but otherwise ordinary glass adapter the tip of which is ground for intravenous needles with a standard Luer hub. This is a spirit thermometer with a colored (red) fluid and thus is easily read. Glass adapters for the attachment of the needles are used for practically all intravenous injections. The use of the usual large infusion thermometers involves the addition of an extra breakable part and an extra piece of rubber tubing. Consequently the combination of these two parts in one makes for simplicity, at the same time allowing for more accurate information regarding the actual temperature of an intravenous infusion, as the thermometer is located near to the point of entry of the fluid into the vein. When an

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