TruFit Bone Plug...anyone, please help.

i had this procedure in march. my recovery is terrible. i was told 3 mos back to sports specific activities. 4 mos later and really no weight bearing w/ stability. extreme hypersensitivity. i cannot crawl on the knee at all. my occupation requires crawling. has anyone had this new bone plug grafted in. some synthetic plug by a company in san antonio tx, i believe.