Looking at these tools, you realize that in our time does not hurt terribly, one thing in 16-17 century.
Some sadistic tricks, it is difficult to imagine how and what they treat.
Saw the skull (19th century)
Knife for amputations (18th century)
Saw for amputations (17th century)
Tool to extract arrows (16th century)
Artificial leech (19th century)
Tool to extract bullets (16th century)
Cervical dilator (19th century)