This an ornate version of the castration clamps, used in the 1840’s. The clamps were used to prevent blood loss, and the actual cutting was done by a knife. The heads protruding are those of the deities presiding over the eight days of the Roman week, four on either side, followed by the head of a bull, and ending in a lion head; the heads at the top are perhaps Cybele and Attis, each on the head of a horse.
Those doctors doing the male sex organ removal process did not need any special equipment. The process was created almost 300 years ago. The procedure was done without modern anesthetics. Yikes!