amputation knife

am·pu·ta·tion knife

a broad-bladed knife used primarily to transect large muscles during major amputations.
References in periodicals archive ?
On display is a seven-barrelled volley gun that could be as dangerous to the ship it was fired from as the enemy it was aimed at, an amputation knife, bone saw and bullet forceps used to treat the wounded on the surgeon's table.
Bone saw, amputation knife, trephine drill and bit: This is part of a larger collection of tools from The Company of Barber Surgeons and Tallow Chandlers of Newcastle upon Tyne.