 At the same time, the patient holds a slide of organ tissue, a sample of medication, potential allergen, etc., in their free hand, or is otherwise 'probed' at an appropriate acupuncture point by the use of a metal rod or laser pointer.The diagnostician then uses their perception of the strength required to force apart the patient's 'O-Ring' of thumb and one of the remaining fingers to assess the patient's health.The United States Patent and Trademark Office (USPTO) rejected the initial BDORT patent application as 'too unbelievable to be true'.