Pain and Efficacy Rating of a Microprocessor-Controlled Metered Injection System for Local Anaesthesia in Minor Hand Surgery

<table>Total volume of local anaesthetic used during microprocessor-controlled injection versus traditional injection (<svg height="10.9125" id="M16" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 63.962502 10.9125" width="63.962502" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="26.056252" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.559254" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="44.810753" y="0">2</tspan>
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Pain Research and Treatment

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Figure 3

Figure 3: Pain and Efficacy Rating of a Microprocessor-Controlled Metered Injection System for Local Anaesthesia in Minor Hand Surgery 