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Biomedical Engineering Design Projects

Positioning/ alignment device for ophthalmic scanning laser systems

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Project Overview



Team members: Will Stanford, Tom Fleming, Dan Frost and Vidhya Raju

The client uses two machines to obtain high resolution optical coherence tomography images to diagnose conditions like macular degeneration. In the case that patients are not able to follow directions to move their eyes a certain way, the machines are bulky and difficult to maneuver. This hampers ability to obtain the necessary data. The goal is to create a motion stage that will allow the operator to move the machine in a very refined way that will allow him or her to precisely position the machine for good data acquisition.

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Project Status

We have completed our preliminary prototype. Future design will involve testing to determine the best user interface.

Progress Report Archive.

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Project Timeline

Week Reporting Period Beginning Activities
1 September 5 Form group, discuss goals
2 September 12 Meet client and advisor
3 September 19 Research components for positioning platform/moving arm
4 September 26 Decide on mechanism driving motion
5 October 3 Decided on fine-adjust cross table
6 October 10 Midsemester presentation
7 October 17 Researching pivots, obtaining precise measurements
8 October 24 Ordering parts
9 October 31 Obtain cross-slide table
10 November 7 Ordering more parts
11 November 14 Assembly of parts
12 November 21 Machining
13 November 28 Prototype work
14 December 5 Poster/paper
15 December 12 Final meeting

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Presentations and Reports

ppt icon Midsemester Presentation (Oct 15 2008, 1501 kb)
pdf icon Final Poster (Dec 11 2008, 7376 kb)
pdf icon Product Design Specifications (Dec 11 2008, 113 kb)
pdf icon Final paper (Dec 12 2008, 820 kb)

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Contact Information

Project Team

Project Advisor and Client

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Owner: Willis Tompkins, Ph.D.
Author: Vidhya Raju
Webmaster: Andrew L. Wentland
Created: Sep 12 2008
Content updated: Dec 12 2008

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