Evacuation procedure	Procedure on cerebral meninges	Trephination of cranium
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Trephination of cranium and external drainage of effusion from subdural space (procedure)
	Trephination of cranium and external drainage of effusion from subdural space
	trepanatie van cranium en externe drainage van subdurale effusie
	schedelboring en externe drainage van effusie uit subdurale ruimte

Id	446850004
Status	Defined

Method	Trephination - action
Procedure site - Direct	Bone structure of cranium
Using device	Trephine

Direct morphology	Effusion
Method	External drainage
Procedure site - Indirect	Intracranial subdural space structure