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Manotech Associates Formal Design Review March 2, 2006 Jina Kim Forrest Liau David Lin Teresa Wang

Manotech Associates Formal Design Review March 2, 2006 Jina Kim Forrest Liau David Lin Teresa Wang. Questions To Be Answered. What are we trying to do? How are we going to make it happen?. Vision & Mission.

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Manotech Associates Formal Design Review March 2, 2006 Jina Kim Forrest Liau David Lin Teresa Wang

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  1. Manotech Associates Formal Design Review March 2, 2006 Jina Kim Forrest Liau David Lin Teresa Wang

  2. Questions To Be Answered • What are we trying to do? • How are we going to make it happen?

  3. Vision & Mission • Vision: To provide a method for producing a anatomically user-matched prosthetic hand that is accessible to low-income users in poor communities • Mission: To design a prosthesis fabrication process that 1) creates a anatomically matching hand for the user and 2) uses materials that are inexpensive, processable by the user, and locally available when possible

  4. “Accessible to low-income users"? • Accessible  Solution is ultimately an option for our target user, which include ultra-low income individuals located in poor, remote areas

  5. How would we make the solution "accessible"? • Materials are: • Inexpensive • locally available when possible • Process is: • Performed by individuals in the community utilizing everyday tools

  6. ”Anatomically user-matched"? • Proportional to user's body • Mirror image of other hand • NO skin detail

  7. How do we make it "user-matched'? • Four-step process • Initial Mold • Solid hand • Reversible mold • Final underlayer product

  8. How will we make this happen? • Proof-of-concept that process is feasible • Initial Mold • Solid hand • Reversible mold • Final underlayer product • Optimize materials based on basic performance specs and accessibility criteria (∏p vs.∏a) • Optimize process to maximize accessibility with acceptable performance

  9. Schedule

  10. Questions? Manotech Associates manotech@mit.edu http://web.mit.edu/3.042/team2_06/

  11. Backup Slides

  12. Materials • Mold • Clay • Stone powder • Alginate • Sugar/cellulose • Solid hand • Gypsum • Sugar/cellulose • Reversible mold • RTV polyurethane • RTV silicon • Sugar/cellulose • Final Underlayer Product • rubber silicone • Liquid rubber • Liquid polyurethane foam

  13. Risks • All: Cost, consistency, temperature • Initial Mold: Distorted shape, long time to form, difficult take-off, sticking to skin, trace marks, brittleness, flimsiness, lack of detail • Solid hand: difficult extraction, lack of detail, difficult remediation • Reversible mold: Brittleness, flimsiness, inadequate reversibility, distorted shape, non-uniform thickness, lack of detail • Final Underlayer Product: Short lifetime, inadequate cosmetics, lack of detail, excessive weight

  14. Clay Work

  15. Clay Work

  16. Clay Work

  17. Clay Work

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