Universal femoral trial system and methods

An assembly comprising:

• a body;
• a drill and broach guide comprising:
• a first drill guide aperture;
• a second drill guide aperture;
• a third drill guide aperture;
• a first broach guide aperture intermediate the first drill guide aperture and the second drill guide aperture;
• and
• a second broach guide aperture intermediate the second drill guide aperture and the third drill guide aperture,
• wherein the second drill guide aperture is intermediate the first broach guide aperture and the second broach guide aperture;
• and
• a locking mechanism comprising:
• a handle connected to the body such that the handle is rotatable about an axis;
• a first tab having a first proximal end, a first distal end, and a first compressible intermediate section, wherein the first proximal end has a first handle connection feature;
• a second tab having a second proximal end, a second distal end, and a second compressible intermediate section, wherein the second proximal end has a second handle connection feature;
• wherein the handle is movably connected to the first handle connection feature and the second handle connection feature such that, rotation of the handle about the axis extends the first and second tabs outward from the body;
• and
• wherein:
• at least one of the first tab and the second tab further comprises a stop member;
• the body further comprises an abutment member;
• and
• rotation of the handle causes the stop member to engage the abutment member to retain the at least one of the first tab and the second tab in an extended position.

An assembly for preparing and trialing a bone to receive an implant, the assembly comprising:

• a body;
• a drill guide connected to the body;
• and
• an attachment mechanism connected to the body, the attachment mechanism further comprising:
• a first tab;
• a second tab;
• and
• a handle connected to the first and second tabs;
• wherein the assembly is configured to be removably coupled to a trial component by:
• rotating the handle such that the first tab and the second tab are first in a retracted position;
• positioning the assembly adjacent to the trial component, and
• rotating the handle such that the first tab and the second tab move to an extended position and engage within corresponding attachment apertures in the trial component,
• wherein:
• at least one of the first tab and the second tab further comprises a stop member and the body further comprises an abutment member;
• and
• rotation of the handle causes the stop member to engage the abutment member to retain the at least one of the first tab and the second tab in the extended position or the retracted position.