Many factors have helped to bring about changes in surgery; they have either helped surgery to become more effective and safe or just totally changed the way surgery works.
One of the earliest uses of war was made during the 16th century, during the time Pare was alive. Pare believed that cauterisation was too painful, cauterisation had been then main way of sealing the veins and arteries after and operation, and without any anaesthetic proved to be very painful. Pare hated the idea of men being put through all this pain and so wanted to discover away of sealing the amputated limb without causing so much pain. It was through this method that he came up with the idea of ligatures. This was not as successful as he maybe though because ligatures meant that the wound was more likely to catch an infection.
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