It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) sent a physician to Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him), who cut a vein in his arm and then cauterized it.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14379