A device that:1.Necessarily deviates from devices generally available or from an applicable performance standard or premarket approval requirement in order to comply with the order of an individual physician.2.It is not generally available to, or generally used by, other physicians.3.It is not generally available in finished form for purchase or for dispensing upon prescription.4.It is not offered for commercial distribution through labeling or advertising.5.It is intended for use by an individual patient named in the order of a physician and is to be made in a specific form for that patient, or is intended to meet the special needs of the physician in the course of professional practice.