RecruitingDevice studyMulticenter Trial of Antibiotic Eluting Graft for Promoting New Bone Growth In/near Infected Bone CavitiesThis is a pivotal, prospective, multi-center, randomized, concurrent control, patient and assessor-blinded study with two arms: a treatment arm (where subjects will be treated with the EP Granules with Tobramycin investigational device in the 1st stage of a staged revision for periprosthetic joint infection (PJIs), and a control arm (where subjects are treated with the standard-of-care revision for infected PJIs).