Project Status Update P09023 – Air Muscle Artificial Limb Next Generation Jim Breunig (ME)

Project Status Update Project Name Air Muscle Artificial Limb Next Generation Project Number P09023 Project Family Artificial Organ Track Assistive Devices and Bioengineering Start Term 2008-1 planned academic quarter for MSD1 End Term 2008-2 planned academic quarter for MSD2 Faculty Guide Dr. Kathleen Lamkin-Kennard (ME) confirmed Faculty Consultant Professor John Wellin (ME) confirmed Primary Customer

Project Objective Statement Key Business Goals/Project Deliverables Phase 0: Planning Project Objective Statement Key Business Goals/Project Deliverables Primary Market/Project Opportunities Secondary Market/Project Opportunities Stakeholders

Product Description/Project Objective Statement This project is in its second generation. The overall goal is to design and build an artificial limb (arm and hand) that is capable of all of the directions of freedom of a human hand. The first generation accomplished design and building of the arm and the first three fingers. The main goals for the second generation project is to add a pinky finger and thumb. The design and construction of the pinky finger and thumb should be accomplished by the end of the winter quarter of the 2008 academic year.

Key Business Goals/Project Deliverables The goal of the second generation air muscle artificial limb is to add a pinky and thumb with all of the degrees of freedom of a human hand. This design should take into consideration future scale down, and should be implemented onto the existing project. Design of Pinky Finger Research Human Anatomy Determine Joint Types/Locations Determine muscle attachments Controls Design Design of Thumb

Key Business Goals/Project Deliverables Continued Construction of Pinky Finger Rapid Prototype Pinky Finger Build Pinky Finger Test Pinky Finger Construction of Thumb Rapid Prototype Thumb Build Thumb Test Thumb

Key Business Goals/Project Deliverables Continued Optimization Determine areas in need of optimization Enhance reliability Enhance ease of use (programming) Brainstorm solutions and alternatives Implement Design Solutions Test Design

Primary Market/Project Opportunities This project is to be designed for research being conducted by Dr. Lamkin Kennard and a Masters student. The findings in this project will be applied to a scaled down model for use in microvascular surgery.

Secondary Market/Project Opportunities This project could serve as a way to entice future students into the engineering program. It is possible that this product could be used for wireless surgery. Patients could have surgery performed by a doctor thousands of miles away. Findings could also provide solutions for amputees.

Stakeholders Dr. Lamkin Kennard Future MSD Students Previous MSD Team Air Muscle Suppliers Note: Air muscles are being built by the current team for significantly less cost than what they are being sold for. Bioengineering Field RIT as a whole Future Engineering Students Future Patients

Phase 1: Concept Development Identify Customer Needs - Interviews Primary Customer Interview Other Stakeholders Current MSD Student Interview

Primary Customer Interview Dr. Lamkin-Kennard I interviewed Dr. Lamkin-Kennard on March 19, 2008 Established what needed to be completed Pinky finger Thumb Optimization The arm will later be scaled down for research in microvascular surgery Large emphasis on maintaining all DOF of human hand

Primary Customer Interview (Continued) EE and or CE will be needed for programming optimization Air muscles are controlled by air which causes the muscles to move Air muscles are being used instead of servo motors because of cost, and air muscles have the ability to get wet.

Other Stakeholders I have met with professor Wellin about improving some of the labview coding. He said He would be very happy to help with the project.

Past Senior Design Team The current Senior Design team has finished the first generation of the hand. I interviewed Josa Hanzlik and Ellen Cretekos on April 3, 2008. The team is building their own air muscles Professor Wellin acted as a Labview Liaison They strongly suggest rapid prototyping The current Design Team recommended that I speak with Dr. Doolittle about biomechanics of the hand

Phase 1: Concept Development Identify Customer Needs - Interpret Needs Statements Graphical Interpretation Organize the Needs into a Hierarchy Establish the Relative Importance of the Needs

Needs Statement This project must basically add a thumb and pinky finger to an existing artificial hand. All of the directions of freedom of a human hand must be maintained. The project also involves optimization of the past project to make it more robust and make the controls interface easier to use. Add Pinky Maintain all DOF of human pinky Determine Joint Locations of Pinky Determine Muscle Locations of Pinky Implement Design on Current Hand Robust Design Optimize Mechanics Determine cable optimization methods Optimize Controls Follow all regulations (yet to be specified) Safe Ability to be Scaled Down Easy to Operate Reliable to use Allow for future optimization Add Thumb Maintain all DOF of human thumb Determine Joint Locations of Thumb Determine Muscle Locations of Thumb Implement Design on Current Hand Robust Design

Ability to be Scaled Down Affinity Diagram Easy to Operate Reliable to use Maintain all DOF of human thumb Safe Add Thumb Determine Joint Locations of Thumb Determine Muscle Locations of Thumb Implement Design on Current Hand Optimize Mechanics Ability to be Scaled Down Add Pinky Robust Design Maintain all DOF of human pinky Implement Design on Current Hand Determine Joint Locations of Pinky Allow for future optimization Determine cable optimization methods Determine Muscle Locations of Pinky Optimize Controls Follow all regulations (yet to be specified)

Affinity Diagram Continued 1. Add Thumb 1.1. Maintain all DOF of human thumb 1.1.1 Determine Joint Locations 1.1.2 Determine Muscle Locations 1.2. Implement Design on Current Hand 1.3 Robust Design 2. Add Pinky 2.1. Maintain all DOF of human pinky 2.1.1 Determine Joint Locations 2.1.2 Determine Muscle Locations 2.2. Implement Design on Current Hand 2.3 Robust Design 3. Optimize Mechanics 3.1 Determine cable optimization methods 4. Optimize Controls 5. Follow all regulations (yet to be specified) 6. Safety

Objective Tree Artificial Limb Generation II Addition of Thumb Addition of Pinky Optimization Determine Areas In Need of Optimization Research Human Anatomy Research Human Anatomy Directions of Freedom Directions of Freedom Software Joint Types/Muscle Locations Joint Types/Muscle Locations Hardware Determine Joint Types Determine Joint Types Propose Solutions Determine Muscle Size/ Locations Determine Muscle Size/ Locations Implement Solutions Implement Proposed Design Implement Proposed Design Test/Redesign Test/Redesign Test/Redesign

Organize Needs Into Hierarchy 1. Safety 2. Follow all regulations (yet to be specified) 3. Add Thumb 1.1. Maintain all DOF of human thumb 1.1.1 Determine Joint Locations 1.1.2 Determine Muscle Locations 1.2. Implement Design on Current Hand 1.3 Robust Design 4. Add Pinky 2.1. Maintain all DOF of human pinky 2.1.1 Determine Joint Locations 2.1.2 Determine Muscle Locations 2.2. Implement Design on Current Hand 2.3 Robust Design 5. Optimize Mechanics 3.1 Determine cable optimization methods 6. Optimize Controls

Work Breakdown Structure Project Completion Adding the Thumb Controls Become Familiar with Current Interface Design Software for Thumb Motion Test and Redesign Software Muscles Determine DOF for Human Thumb Determine Number of Muscles Needed Determine Muscle Sizes Needed Investigate Attachment Options Choose Optimal Design Implement Optimal Design Test and Refine Mechanics Determine DOF of Human Thumb Investigate Joint Options Rapid Prototype Implement Design Adding the Pinky Design Software for Pinky Motion Test and Refine Software Determine DOF for Human Pinky Determine DOF of Human Pinky Optimization Software Optimization Gain Familiarity with Current Software Generate design solutions Implement Solutions Mechanical Optimization Determine Areas in Need of Revision Generate Design Solutions Implement Design Solutions

Preliminary Schedule

Future Plan Where do I go from here? Refine Schedule Continue Meeting with the Current Senior Design Team Fine Tune The Project Find interested students for the project