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This project consists of designing a heart phantom to be used for the initial testing of a new, solenoid-tipped catheter awaiting FDA approval. This catheter will ultimately be used to treat atrial fibrillation under MRI guidance. The transparent phantom will be used to test the maneuverability of the catheter under MRI guidance as well as the high resolution imaging capabilities in the vicinity of the solenoid tip. It will consist of clear tubing of various sizes representing the vasculature leading into and out of the atria. All “veins” must terminate at one end of the phantom and be sealed so they may be filled with a saline solution in either a static or dynamic state without risk of leaking.
The prototype is complete. It has been shown that it is both leak-proof and completely MRI compatible during the entire testing procedure. Real time imaging of the solenoid-tipped catheter was shown to be possible. The phantom will be used extensively in the future to test the resolution and maneuverability of the catheter.
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 23 | assigned roles, set up meeting times, evaluated last semesters design |
| 2 | January 30 | Brainstorm ideas for changing components of the design |
| 3 | February 6 | Take apart prototype from last semester, finish PDS, order parts. |
| 4 | February 13 | Begin working on prototype using parts that have recently arrived, drill into heart chambers |
| 5 | February 20 | Finish construction of phantom and powerpoint for mid-semester presentations |
| 6 | February 27 | Static leak testing of the phantom |
| 7 | March 6 | Ordered new parts and rebuilt phantom using different tubing and clamps |
| 8 | March 13 | Static leak testing of the phantom and remodeling |
| 9 | March 20 | Dynamic leak testing of the phantom using water pumps |
| 10 | March 27 | Dynamic leak testing of the phantom using water pumps |
| 11 | April 3 | New tubings ordered to fix the kinking problem of the vasculature |
| 12 | April 10 | MRI testing of the finalized phantom |
| 13 | April 17 | More MRI testing |
| 14 | April 24 | Prepare presentation and record videos of the phantom in operation |
| 15 | May 1 | Final presentation |
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Midsemester Power Point Presentation (Mar 5 2009, 601 kb) |
|
Final Poster (Apr 30 2009, 1438 kb) |
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PDS (May 7 2009, 12 kb) |
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Final_Paper (May 7 2009, 423 kb) |
