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UCCS Mechanical Engineering Senior Design Team Final Review

UCCS Mechanical Engineering Senior Design Team Final Review. Jake Gelsinger David Hills Derick Jensen Ben Placzek. Overview. Brief Procedure Introduction Vein Analysis Syndaver Labs Synthetic Vein Tissue Testing FEA Synthetic Vein Tissue Analysis

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UCCS Mechanical Engineering Senior Design Team Final Review

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  1. UCCS Mechanical Engineering Senior Design TeamFinal Review Jake Gelsinger David Hills Derick Jensen Ben Placzek

  2. Overview • Brief Procedure Introduction • Vein Analysis • Syndaver Labs Synthetic Vein Tissue Testing • FEA Synthetic Vein Tissue Analysis • FEA Vein Environment Modeling Analysis • Prototype • Assembly/Construction Progress • Proof of Concept

  3. Vein Extraction Procedure • Prepare the Pacemaker Pocket • Detach Pacemaker Leads • Prepare Leads • Insert LLD (Lead Locking Device) • Expand LLD to lock in place • Deploy Laser Over Lead and LLD • Lase through all Fibrous Tissue • Problem Lies in Fibrous Occlusions

  4. Syndaver Labs Tissue Testing • Testing Procedure • Lowering tissue onto laser tip (12 french) • Reading force tissue exerts on laser on a scale • Increase force by lowering tissue until rupture • 18 Tests were conducted • 6 tests at three different angles were tested • Tried to model the angles that may occur during surgery • Each test lasted an average of 1 minute and 53 seconds

  5. Sythetic Vein FEA • COMSOL was the software used • Limits of Software • Do not know true material properties of Syndaver tissue • Cannot model tearing • Cannot model soft tissue • Non-linear • Non-homogeneous • Transient response

  6. Vein Environment FEA • Software Used was SolidWorks • Limits of Software • Cannot model tearing • Unknown material properties (Poisson’s Ratio) • Cannot accurately model vein constraints • Cannot model soft tissue • Non-linear • Non-homogeneous • Transient response

  7. Prototype • Design made to minimize cost while preserving durability and usability • Construction was difficult to get coordinated • Mind Studios vs. Machine Shop • End Result • Proof of Concept Design • Recommendations

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