Aquahand

pinshape

Summary A specially designed exoskeleton hand helps stroke victims regain grasp motion or fine motor skills, even with spastic or flaccid muscle tone. Instructions All parts are printed using a MakerBot Replicator 2 or Ultimaker with PLA and NinjaFlex materials. Printing Instructions: - Two long bolts are printed with the long side facing down (PLA). - Four bolt caps are printed with the top side facing down (PLA). - Five hooks are printed on one side, with the flat side facing down (PLA). Hand: Small: 6 inches from wrist to middle finger tip. Large: 6.5 inches from wrist to middle finger tip. The hand is printed patterned-side up (PLA). Cuff: Small: Approximately 2.6 inches in diameter; Large: approximately 3 inches. A padding system is intended for this size. Proximal side is printed down (PLA). Fingers: Measure the width of pinky-index fingers at the middle joint, then add 0.04-0.06 inches to choose the right file. Measure the distal joint of the thumb and add 0.01-0.02 inches to select the correct file. The fingers are printed with NinjaFlex, slot-side down. Assembly: Screw hooks into cuff. Attach hand to cuff using bolts and bolt caps. Tie finger tips to a string or fishing line, then thread through the hand piece. Tie to springs so the hand is open when the springs are in a relaxed position. Add padding to cuff and hand piece. Add velcro straps to cuff piece. Springs: Choose desired strength (5/16 inch diameter X 3/4 inch length pictured).