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LEC DEVICE Group Members: Kevin Mihelc Amine Hallab Jen Bacior Hiroki Meguro Advisors: Kelly Dympna, MD John Patzer, PhD 1 February 2005.

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Presentation on theme: "LEC DEVICE Group Members: Kevin Mihelc Amine Hallab Jen Bacior Hiroki Meguro Advisors: Kelly Dympna, MD John Patzer, PhD 1 February 2005."— Presentation transcript:

1 LEC DEVICE Group Members: Kevin Mihelc Amine Hallab Jen Bacior Hiroki Meguro Advisors: Kelly Dympna, MD John Patzer, PhD 1 February 2005

2 Project Overview Intended Use: Open Liver Biopsy Combines 3 Functions 1.Removal of Tissue 2.Cauterization 3.Biopsy Tissue Protection

3 LEC DEVICE 17 cm Blades 2 cm

4 Individual Responsibilities Blade Redesign Testing Protocol Design History File Update

5 Secondary Blade Design Remove Closed Faces 1.Facilitate Easy Removal of Tissue Sample 2.Simplify Fabrication Process Round Triangular Edges 1.Wedge Point is difficult to cauterize 2.Simplify Fabrication by removing joints

6 Testing Protocol Preliminary Testing Using CosmosWorks - Examine stresses subjected on device Discarded Livers from Animal Research Study 1.Cutting Ability 2.Cauterization Effectiveness 3.Cauterization Time 4.Heat and Current Protection

7 Testing Protocol (Cont.) Sterilization Test - Multiple Autoclave Cleansings User Survey 1.Ease of Operation 2.Comfortableness 3.Comparison to Previous Biopsy Technique

8 Design History File - Revise and Update DHF to ensure proper representation of the LEC tool

9 Upcoming Milestones Functional Computer Prototype – 2 weeks Submit for Fabrication – 2 weeks Full Testing Completed – 4/7/05 Revised Design History File – 4/7/05

10 Mark Gartner Department of BioEngineering LEC Group Members John Patzer, PhD Kelly Dympna, MD Stephan Safta and Richard Miller Acknowledgements


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