The Park Sham Needles have been developed to be used in blind sessions where the patient doesn’t know if they’re receiving acupuncture or the surrogate, sham treatment. Easy use These needles are half sham and half true acupuncture needles, designed to be used with the Park Sham Device. This telescoping device allows for the appearance of needle depth even with sham needles. Both types of needle should be disposed of in a standard sharps bin.