Articular surface implant systems and methods including glenoid reverse shoulder

An implant system comprising:

• an anchor configured to be secured to bone within an excision site formed in a patient's glenoid, said anchor including a shank and an enlarged head;
• a baseplate including a body comprising:
• a bone facing surface;
• an implant facing surface;
• and
• a channel defined only in the bone facing surface of the body;
• said channel having a bone facing entrance formed in the bone facing surface of the body toward an outer periphery of the body and a slot region formed in the bone facing surface of the body extending from the bone facing entrance to a center of the bone facing surface of the body;
• said bone facing entrance configured to receive said enlarged head and a portion of said shank and wherein said slot region is configured to engage said enlarged head when the baseplate body is moved relative to the anchor and wherein the enlarged head of the anchor is configured to engage the center of the bone facing surface;
• and
• an implant including a body defining a load bearing surface and a baseplate recess, said baseplate recess configured to receive at least a portion of said implant facing surface of said baseplate such that said implant is coupled to said baseplate.