https://en.wikipedia.org/wiki/Evan_O%27Neill_Kane
Kane had a history of operating on himself. In 1919 he self-amputated one of his own fingers that had become infected. But it was the operation of removing his own appendix under local anaesthetic, performed on 15 February 1921 at the age of 60, which brought him wider media attention. He is believed to have been the first to have undertaken this self-operation.[3] Dr. Kane did this, in part, to experience the procedure from the patient's perspective. He had in mind using local anaesthesia in future on patients with medical conditions that prevented a general anaesthetic being administered, and wanted to ensure that the procedure could be tolerated by the patient. Kane believed ether (the usual general anaesthetic of the time) was used too often and was more dangerous than local anaesthetics. The anaesthetic used by Kane was novocaine, a fairly recent replacement for the more dangerous cocaine. Kane performed the operation, which he had carried out nearly 4,000 times on others, with the aid of mirrors that enabled him to see the work area. At this time the operation was rather more major than today, as the incision to remove an appendix was much larger than that needed for modern keyhole surgery techniques. Nevertheless, Kane was well enough to be taken home the following day.
On another occasion, in 1932 at the age of 70, Kane repaired his own inguinal hernia under local anaesthetic. The hernia had been caused by a horse riding accident six years earlier. The operation was carried out at the Kane Summit Hospital with the press, including a photographer, in attendance. This operation is more dangerous than the earlier appendectomy because of the risk of puncturing the femoral artery. The operation lasted one hour and 55 minutes. Kane was back in the operating theatre working 36 hours later.

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