وَعَنْهُ قَالَ: رُمِيَ سَعْدُ بْنُ مُعَاذٍ فِي أكحله فحمسه النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ بِيَدِهِ بِمِشْقَصٍ ثمَّ ورمت فحمسه الثَّانِيَة
He told that when Said ibn Muadh was shot in the median vein of his arm the Prophet (sallallahu alayhi wa sallam) with his own hand cauterized it with a broad arrow head. Afterwards it swelled up and he cauterized it a second time.
Mishkat al-Masabih 4325, Book 24, Medicine and Spells, Hadith 5. 1 min read