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Internship Experience Li
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Internship Experience Li

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Internship Experience Li Internship Experience Li Presentation Transcript

  •  A diversified orthopedic product company with 3 major divisions: Orthopedic: Bone growth stimulators, Mini fixators, Bone growth product containing MSC Spine: Spinal implants, Spine fusion, Spine bracing, Biologics Sports Medicine: Bracing products, Cold Therapy
  • Anterior cervical plating system Spinal fixation system Spacers Limbosacral Fixation system Courtesy: www.orthofix.com
  •  Pull Out Strength Testing Custom Instrument Design Change For Hex Wrench Updating Screw Design from Double Lead to Triple Lead Mitigate Risks Engineering Change Order/Notice
  •  Create Validation Protocol for the Mechanical Test. Research ASTM Standards Approval from other departments Designing Fixture Creating Drawings and rapid prototypes using 3D printer Evaluate the prototype and ordering metal version Carry Out the test on Instron Analyze stress-strain curves and compare results.
  •  Product Development Phases Concept: Surgeon Idea Feasibility: Custom or Large Scale Production Design & Development: Napkin Design to Metal Prototypes Evaluation: Surgeon Review Scale Up User Preference Evaluation
  •  Change request after UPE In-house evaluation Change in 3D Model Plastic Prototype Metal Prototype Design Freeze
  • Courtesy: Othofix Spinal Implants
  •  Single lead: One thread profile Double lead: Two thread profiles Triple lead: Three thread profiles Triple lead screws get threaded three times faster than single lead screws
  • A-FMEA D-FMEA Review step of application  Review Part of the Assembly Review Potential mode of failure  Review Potential mode of failure Review Cause of Failure  Review Cause of Failure Review Effects of Failure  Review Effects of Failure Determine values for Occurrence,  Determine values for Occurrence, Severity and Detection Severity and Detection RPN= O*S*D  RPN= O*S*D Recommend Action if RPN higher  Recommend Action if RPN higher than normal than normal
  • Courtesy: Othofix Spinal Implants
  •  Reports such as: Sterilization Report Biocompatibility Report Verification Rationale/Protocols Test Protocols 510(k) approvals Risk Analysis
  •  Medical Device Design Orthopedic Device Design Computational Biomechanics (Ansys) Intro to Ortho Implants Biomaterials Bio-MEMS Total Quality Management
  •  3D designing software (Solidworks, ProE) Drawing skills (Dimensioning & Tolerancing) Manufacturing Knowledge (Mill, Lathe, Wire EDM) Understand the language Quick Learning Be assertive!!!
  •  Daniel Greenberg, Staff Engineer OSI (Supervisor) Dr. Max Roman (Academic Advisor) Alexia Jones (Career Advisor CDS)