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Our goal is to develop a valve for an endotracheal tube cuff that will not allow inflation pressures to exceed 25 cm H2O pressure. Overinflation of the cuff that provides a tight seal between the endotracheal tube and the patient’s trachea is a common problem. The excess pressure can cause many complications, especially in children. Our task is to create a cuff that cracks predictably at 25 cm H2O so the cuff can be safely utilized in pediatrics.

(L to R) Michael, Claire, Samantha, Jack
After finishing the final report and poster, we decided to try to make the seal in the valve hold more than before by using all different kinds of sealants. We are done for the semester but may continue the project next semester with some of our new ideas.
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 20 | Form team, contact client, assign team roles, set up client meeting |
| 2 | January 27 | Literature search, create problem statement, begin PDS |
| 3 | February 3 | PDS, brainstorming, begin developing designs, fix prototype |
| 4 | February 10 | Brainstorming |
| 5 | February 17 | Decide on 3 design alternatives, prepare for mid-semester presentation |
| 6 | February 24 | Mid-Semester Presentation |
| 7 | March 3 | Hand in report and notebooks, decide on final design |
| 8 | March 10 | Work on final design |
| 9 | March 17 | Work on final design |
| 10 | March 24 | Work on final design |
| 11 | March 31 | Work on final design, begin preparing poster and paper |
| 12 | April 7 | Prepare for poster presentation |
| 13 | April 14 | Final Poster Presentation |
| 14 | April 21 | Hand in final written report and notebooks |
| 15 | April 28 | Final meeting with advisors |
| Project Design Specifications (Feb 21 2006, 27 kb) | |
| Midsemester Report (Mar 3 2006, 123 kb) | |
| Mid-semester Presentation (Mar 3 2006, 513 kb) | |
| Final Report (Apr 30 2006, 514 kb) | |
| Final Poster (May 8 2006, 16003 kb) |