OREM, Utah--(BUSINESS WIRE)--Aribex®, Inc., the worldwide leader in handheld x-ray technologies, will launch their new Rectangular Collimator Adapter for the NOMAD® Pro handheld x-ray system at the Chicago Midwinter Dental Meeting, February 23-25. The device snaps on the cone of the NOMAD Pro to reduce the x-ray exposure from a 6 centimeter circle to a 3 by 4 centimeter rectangle, matching the size and shape of a #2 dental image receptor.