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Essential equipment: Inflation handles
Purpose
The only way to be certain a balloon is being used at the correct pressure is to use an inflation handle with a pressure gauge ( Fig. 19.1 ). Besides precision, the inflation handle allows you to effortlessly generate and sustain high pressures without hurting your skilled hand.
Description
These are modified syringes, the plunger is driven into the syringe barrel with a screw thread leading to a progressive and controlled increase in the balloon pressure. There is usually a release mechanism to disengage the thread, allowing the plunger to be pulled back for balloon deflation. In reality, the rate-limiting step is flow through the balloon's inflate/deflate channel.
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