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The polyp guillotine is designed to replace the wire snare in the removal of polypi from the rectum and rectosigmoid region. The disadvantages of the wire snare may be thus enumerated:
It is an instrument difficult to keep in order.
A polyp with a tough connective tissue stem will require a considerable degree of traction, and the mucosa is often lacerated to quite a degree.
The guillotine is so constructed that it passes easily through a five-eighths inch caliber tube without obstructing the view. It is 12 inches in length, the fenestra measuring 1 by 1 cm. The knife is serrated and fits closely in the groove. After the polyp is engaged, pressure with the thumb crushes the pedicle; a second thrust cuts through entirely, and the polyp will usually be found adhering to the instrument. What little bleeding results is readily controlled by direct pressure with a cotton applicator
Soper HW. POLYP GUILLOTINE. JAMA. 1925;85(7):517. doi:10.1001/jama.1925.26710070001014