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Biomedical Engineering Design Projects

Device for maxillomandibular fixation following facial fractures

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Project Overview

Currently, patients with specific and common types of facial fractures are treated with "maxillomandibular fixation," known as MMF, which entails holding the upper and lower jaw together using metal arch bars wired around the teeth in conjunction with a series of rubber bands. This technique achieves its goal of holding the two parts of the jaw together until the fracture heals, but involves the time consuming process of wiring the metal bars around the teeth as well as the time-consuming process of placing multiple rubber bands to hold the upper and lower jaws together. In addition, the rubber bands can often come loose and need to be replaced. We propose a project to develop a new and innovative device that will achieve the same goals as the standard type of MMF, yet make the process less time consuming and more reliable.



Emily Maslonkowski (BSAC), Ashley Phillips (Co-team leader), Nina Lewis (Co-team leader), Sara Karle (BWIG), Joe Ferris (Communications)

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Project Status

Our team has completed our final design report and poster presentation. We constructed our prototype, and we will be meeting with our client and advisor in the upcoming week.

Progress Report Archive.

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Project Timeline

Week Reporting Period Beginning Activities
1 September 8 formed team, selected project, assigned team roles, met with client, and had a group meeting to discuss different design possibilities
2 September 15 did individual research about the different design ideas, began PDS
3 September 22 continued to research design possibilities, finished first draft of PDS
4 September 29 met with client about final three design ideas, continued research, and began mid-semester report
5 October 6 finalized design ideas, continued research on prices and jaw forces, compiled power point and mid-semester report
6 October 13 finalized and practiced power point presentation, continued mid-semester report, researched exact cost of braces design
7 October 20 gave power point presentation, turned in mid-semester report
8 October 27 completed and handed in design notebooks, met with client and advisor to discuss final design
9 November 3 obtained materials for the braces design, researched adhesives and brackets
10 November 10 researched adhesives that can be applied when wet, developed equations for forces in elastics
11 November 17 researched final materials for design
12 November 24 began final report, obtained materials for final design
13 December 1 made poster and practiced presentation
14 December 8 finalized paper, gave poster presentation
15 December 15

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Presentations and Reports

ppt icon Mid-semester PowerPoint Presentation (Oct 14 2005, 1995 kb)
pdf icon Mid-semester Report (Oct 19 2005, 338 kb)
ppt icon Final PowerPoint Poster Presentation (Dec 7 2005, 484 kb)
pdf icon Final Design Report (Dec 7 2005, 351 kb)

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Contact Information

Project Team

Project Advisor and Client

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Owner: Willis Tompkins, Ph.D.
Author: Sara Karle
Webmaster: Andrew L. Wentland
Created: Sep 17 2005
Content updated: Dec 9 2005

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