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5. Preferably use a pigtail catheter. For liver abscesses the sizes range between 6–14 French, with a median of 10 French.<ref name="DulkuMohan2015">{{cite journal|last1=Dulku|first1=Gurjeet|last2=Mohan|first2=Geeta|last3=Samuelson|first3=Shaun|last4=Ferguson|first4=John|last5=Tibballs|first5=Jonathan|title=Percutaneous aspiration versus catheter drainage of liver abscess: A retrospective review|journal=Australasian Medical Journal|year=2015|pages=7–18|issn=18361935|doi=10.4066/AMJ.2015.2240}}</ref>
<br>6. Have a scalpel ready for skin incision
<br>7. Infuse Inject local anesthetic, such as 10 - 20 ml of 1% carbocaine, along the planned puncture direction
<br>8. Make a skin incision large enough for the catheter to pass
<br>9. Insert the catheter with the cannula until reaching within the abscess.
