抄録
Three kinds of new surgical instruments for cerebral aneurysm are introduced. The first instrument is custom made clip for internal carotid aneurysm. It is a bayonet clip which has sickle-shaped blade. It fits to the outer curvature of th e internal carotid artery so as to be able to avoid incomplete clipping of the neck behind the IC.
The second instrument is special made spatula which has a saline dripping system. With using it the operative field can be kept clean so as to find the fine bleeding point and also the tip of the bipolar coagulator can be get rid of adherence of coagulated tissue.
The third is suction instrument which has oval shaped tip and a scale on its surface at intervals of 5mm. With this oval suction tip, fine retraction of the brain is possible freely without stopping the suction.
