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Published byMaximilian Stokes Modified over 9 years ago
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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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Project Overview Intended Use: Open Liver Biopsy Combines 3 Functions 1.Removal of Tissue 2.Cauterization 3.Biopsy Tissue Protection
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LEC DEVICE 17 cm Blades 2 cm
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Individual Responsibilities Blade Redesign Testing Protocol Design History File Update
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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
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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
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Testing Protocol (Cont.) Sterilization Test - Multiple Autoclave Cleansings User Survey 1.Ease of Operation 2.Comfortableness 3.Comparison to Previous Biopsy Technique
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Design History File - Revise and Update DHF to ensure proper representation of the LEC tool
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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
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Mark Gartner Department of BioEngineering LEC Group Members John Patzer, PhD Kelly Dympna, MD Stephan Safta and Richard Miller Acknowledgements
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