Apparatus for Continuous Infusion of Microvolumes of Solution into Organs and Tissues.

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Abstract
An apparatus is descr. for infusion of small volumes of test solutions directly into tissues and organs. In more than 3000 successful infusions of the early regenerating limb of salamanders, volumes of 0.001 cc/hr. were introduced for periods of 5 or more hours. The apparatus consists of an advancing bar which is driven forward by a screw shaft attached to a clock motor. The advancing bar presses against the plungers of small syringes forcing fluid into fine polyethylene tubing and thence through a glass capillary needle into the tissues.

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