injuries poisoning
How To Do Nail Trephination
Complications of Nail Trephination
Infection (rarely) Minor nail bed injury resulting from the trephination device Patients typically lose a nail that had a subungual hematoma, but this is because of the hematoma rather than the trephination. The nail subsequently regrows but may be deformed if the nail bed was damaged by the original injury. Inadvertent contact of the trephination device with the nail bed is painful but does not cause enough damage to produce nail deformity. 