“…However, there have been well-documented cases of approved implants causing significant harm to patients. Although several studies have demonstrated the equivalence of quality between certain generic and brand name orthopedic implants, concerns regarding small put potentially harmful differences in manufacturing practices and the potential for disparate use of generic implants in economically disadvantaged patients raise ethical questions [9] , [10] . If generic orthopedic implants were found to have even a minor measurable negative impact on surgical outcomes, this would be a profound violation of the principles of nonmaleficence and the “difference principle” of justice, described by Rawls, that declares inequalities are only permitted if the conditions dictated ultimately benefit, not harm, the worst-off [20] .…”