An auxiliary instrument for the insertion of a malleolären implant for a part - or totally ankle prosthesis and the implant which is suitable to be used with this instrument

摘要

Implant malleolar (1), partial or complete replacement of a plug comprising a head (4), intended to come into abutment against the astragalus, or a prosthetic component talus, and a stem (5), designed to be introduced into a bore (2) of the corolla (p), characterized in that said tab (5) is provided with means (7) for attachment of a traction member (8) which can be operated from the outside (3a) of the corolla (p), for the positioning of said tail (5) in said hole (2). The ancillary apparatus comprises a block - adapted to be inserted between the tibia and the astragalus of a pin and a lug attached to this block and extending in the vicinity of the external surface of the malleolus peroneal when the block - spacer is in place, this lug supporting a drilling guide of the malleolus, starting from its outer surface.