Cramer Rapid Form Vacuum Immobilizer Each 013463 by Cramer GROUP: Orthopedic & Physical Therapy:Miscellaneous Item Description: Immobilizer, 3-Piece Set, Arm, Leg & Ankle (092611) Packaging Desc: Immobilizer Rapid Form 3Pc Setarm/Leg/Ankle Country of Origin: Harmonized Tariff Code: Product Description: The Rapid Form Immobilizer helps stabilize fractures and dislocations without circumferential pressure. Pump extracts air from the unit, forcing the interior beads to form a solid, rigid mass.