Thermoskin Hinged Elbow XX Large Black Measuring Aids 41 cm) Medium MSHQ 1885 41 cm) Medium Heavy 200 350 lbs * A self powered lifting cushion that converts an armchair into an automatic lifting chair * Lifts up to 80% of users weight 10 high * Uses high density memory foam to provide a comfortable seating surface * Portable unit includes built in handle and black waterproof cover * Seat Dimensions: 19 D x 17 W * 1 year warranty * HCPCS Suggested Code: E0629 Hinged Elbow is designed to prevent hyperextension of the elbow * X cross hook & loop locking straps help restrict range of motion * Medial and lateral hinges provide a hyperextension stop at 0¯ * Measure around elbow joint with arm extended * XX Large 16 17Û *