an intramedullary member sized and shaped for insertion along a longitudinal axis of a bone within a medullary canal thereof, the intramedullary member including an opening extending obliquely therethrough, the opening, when the intramedullary member is in a desired position within a bone, aligning with a desired axis along which an implant is to be inserted into a bone, the intramedullary member including a channel formed therewithin and opening to the opening an implant sized to be slidably received through the opening and inserted along the desired axis, the implant including an implant abutting structure and a locking mechanism mounted in the channel including a locking mechanism abutting structure extending into the opening aligned to engage the implant abutting structure preventing medial movement of the implant relative to the intramedullary member.