Stump and phantom pain after amputation are common, but the responsible mechanisms are still not clarified. It has been suggested that phantom limb pain can be reduced by regional anaesthesia and in several recent studies, pain was reduced following intrathecal and intraforaminal blocks. In this study, the investigators want to investigate if spontaneous and evoked pain in amputees will be relieved by regional nerve blocks involving the damaged nerves.
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Reduction in spontaneous pain on a Numeric Rating Scale (NRS: 0-10, 0 = no pain, 10 = worst possible pain)
Timeframe: From 0 minutes until 120 minutes after injection