“Ubayy bin Ka’b fell sick, and the Prophet ﷺ sent a doctor to him who cauterized him on his medical arm vein.” (Using translation from Ibn Mājah 3493)
مَرِضَ أُبَيُّ بْنُ كَعْبٍ مَرَضًا فَأَرْسَلَ إِلَيْهِ النَّبِيُّ ﷺ طَبِيبًا فَكَوَاهُ عَلَى أَكْحَلِهِ