Assembly of surgical implements for performing an implantation in a canine ear or the like for correctional purposes

Abstract From the Canadian patent

An assembly designed for use in performing a canine ear or other implantation in order to correct a faulty ear carriage by erection of the ear, and comprising three basic surgical pieces or implements in the form of (1) an elongated shank (trocar) having a sharp incision-making distal or front end which is used to incise the ear so that the shank may be pushed along the general plane of the ear between the outer skin and the inner cartilage to create a duct which crosses over or bridges the weakened area of the cartilage (2) an open-ended, sheath (cannula) which is slidable onto the shank in close fitting relation and is adapted to be pushed into the duct as it is being created by the shank …