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Biomedical Engineering Design Projects

Computer Input Device

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Project Overview

Design a computer interface that is easily accesible to a person who has muscular dystrophy.

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Project Status

The project is in the final stages for this semester. We have constructed an external clicking device that will replace the buttons on a computer mouse. This external device is far easier for the client to use and requires far less setup time than his previous clicking system. We are also constructing comfortable arm supports to hold his arms in place while he is using his computer. These will most likely use parts from last semester’s prototype and an adjustment system that we are currently building. Our hope is that the combination of these two devices will be easy to use and to set up.

Team picture

Team Members (from left to right): Steve, Andrew, Joe, and Matt

Arm Supports

The setup used before this semester.

Arm Supports

Arm supports that were constructed this semester.

Arm Supports

The clicking device that was constructed this semester.

Progress Report Archive.

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Project Timeline

Week Reporting Period Beginning Activities
1 January 25 Background research; Assign team roles
2 February 1 Met with clients; Brainstormed ideas for input device; Prepared Product Design Specifications
3 February 8 Researched alternative input devices such as: graphics tablets, voice recognition software, and modified forms of the prototype from last semester
4 February 15 Set up voice recognition software for client; Brainstormed ideas to improve client’s control of mouse cursor and for comfortable arm supports
5 February 22 Brain-stormed ideas for input devices, arm supports, etc.; Worked on mid-semester presentation
6 February 29 Finished mid-semester presentation; Decided on final designs that will be pursued
7 March 7 Decided on final designs that will be used; Met with team advisor
8 March 14 Spring Break
9 March 21 "Re-grouped" after Spring Break; Organized meeting times with client to begin testing final design ideas; Decided on what methods will be used to build prototypes
10 March 28 Tested aspects of final design with client; Discussed finer points of final design with advisors
11 April 4 Discussed finer points of prototypes; Began to order materials
12 April 11 Discussed prototype with client; Ordered materials
13 April 18 Tested clicking device with client; Finalized clicking device; Began construction of arm supports
14 April 25 Tested prototypes of clicking device and arm supports with client; Prepared for final presentation; Created final poster
15 May 2 More testing of the prototypes with the client, Modified prototypes slightly to improve performance; Printed final poster

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Presentations and Reports

pdf icon Product Design Specifications (Feb 8 2008, 21 kb)
ppt icon Mid-semester Presentation (Mar 6 2008, 7693 kb)
pdf icon Revised Product Design Specifications (Mar 11 2008, 91 kb)
pdf icon Mid-semester Report (Mar 11 2008, 344 kb)
pdf icon Final Project Poster (May 4 2008, 2092 kb)
pdf icon Final Report (May 5 2008, 668 kb)

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Contact Information

Project Team

Project Advisor and Client

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Owner: Willis Tompkins, Ph.D.
Author: Matthew Parlato
Webmaster: Andrew L. Wentland
Created: Feb 8 2008
Content updated: May 5 2008

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