Improving Lives A LowCost Prosthetic Hand Manotech Associates

Improving Lives: A Low-Cost Prosthetic Hand Manotech Associates Jina Kim Forrest Liau David Lin Teresa Wang

Overview Vision Process & Materials Results Cost Analysis Implementation

Vision & Mission Provide a method for producing anatomically user-matched prosthetic hands for low-income communities Design a prosthesis fabrication process that (a) creates a shape-matched hand (b) uses materials that are inexpensive and processable by the community

The Process

The Process

The Process

The Process

The Process

The Process

Materials Selection Reversible Mold Prosthesis Brushable Durable Elastic

Prosthesis Material Trial I RTV polyurethane cured on bench

Prosthesis Material Trial I RTV polyurethane cured on bench Trial II Silicone Rubber Cured while suspended

Prosthesis Material Trial I RTV polyurethane cured on bench Trial II Silicone Rubber Cured while suspended Trial III Silicone Rubber Cured while suspended in water

Result

Cost Analysis Materials Shipping Distribution Labor Storage Facility

Cost Analysis: Prototype Materials

Cost Analysis: Mass Production + 1% of Total Cost for Labor and Equipment + + 20% of Total Material Cost lost from Material and Process Inefficiency = $32. 82 $37. 70

Current Standard $9, 0 00 $ Living. Skin® Properties Color adjustable Custom crafted Stain proof 18, 0 00

Implementation Storage at local hospitals Community instruction Need-based product fabrication/delivery within community

Progress 2 nd trial 3 rd trial

Future Work Platinum-based silicone rubber Hand Functionality Outer skin

Acknowledgments Prof. Yet-Ming Chiang Mr. Charles Mathis Ms. Yin-Lin Xie Prof. Randolph Kirchain Prof. David Roylance Dr. John Busch Dr. Joseph Parse Mr. Toby Bashaw Ms. Ying Chen Mr. David Isaacson

Questions?