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Currently, a basic balloon and latex membrane model is being used to represent the lungs and diaphragm, respectively, for classroom instructional purposes. While they demonstrate respiratory mechanics, the models have a short lifespan and do not display alveolar and intrapleural pressure changes. Further, current models do not accurately depict the anatomical scaling of the lungs with respect to the thoracic cavity. Our goal is to design and build an adequate mechanical respiratory model for class instruction purposes. This model should demonstrate relative pressure differences between alveolar and intrapleural spaces. It must further demonstrate the expansion of the thoracic cavity from the rib cage as well as the diaphragm, thereby displaying a 3-D expansion. The scaling of the lungs relative to the size of the thoracic cavity enclosure should be more anatomically correct than the current model. The device must be portable and small enough to use with a document camera. This model should also incorporate BioPacŪ software to graph real-time pressure changes.
This week we will be editing and submitting our paper. We will also have our final meetings with our advisors and clients. We will hand over our device to our clients for their permanent use.
Figure 1: Team picture.
Figure 2: Revisions incorporated in new model.
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 25 | Research sensors and membrane materials, Prototype modifications |
| 2 | February 1 | Research sensors and membrane materials, Prototype modifications, Test Prototype pressures |
| 3 | February 8 | Prototype modifications, order materials, Develop testing methods |
| 4 | February 15 | Prototype modifications, order materials, Develop testing methods |
| 5 | February 22 | Construction, Intigrate eletrical transducers |
| 6 | February 29 | Construction, Intigrate eletrical transducers |
| 7 | March 7 | Software integration, Testing, Midsemester Presentation |
| 8 | March 14 | Break |
| 9 | March 21 | Software integration, Testing |
| 10 | March 28 | Software integration, Testing/Surveying |
| 11 | April 4 | Software modifications, Testing/Surveying |
| 12 | April 11 | Software modifications, Analyze Test Results |
| 13 | April 18 | Software modifications, Analyze Test Results |
| 14 | April 25 | Prepare Final Deliverables |
| 15 | May 2 | Final Report |
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Midsemester Presentation (Mar 6 2008, 684 kb) |
 |
Product Design Specification (May 6 2008, 40 kb) |
 |
Poster (May 14 2008, 7095 kb) |
|
Final Report (May 14 2008, 656 kb) |
