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Designsafe studies in Biomedical and Mechanical Engineering

Project proposal on safety through design using Designsafe, including benchmarking, translation, and support for students on safety issues. Importance of safety in design and hazard analysis explained.

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Designsafe studies in Biomedical and Mechanical Engineering

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  1. Designsafe studies in Biomedical and Mechanical Engineering By Sebastien A. Daleyden Vincent M. Goussen Advisors: Dr Paul King & Bruce Main

  2. ICAM: Institut Catholique d’Arts et Metiers • Advanced school of engineering in France • Last five years • Mechanical engineering • Exchange students for 5 months

  3. Designsafe studies in Biomedical and Mechanical Engineering • Project proposal • About safety • Completed work • Current work • Next steps

  4. Project proposal Safety through design, with the use of Designsafe • Objective 1: • 1. Benchmarking study comparing Europe and the US in safety • 2. Evaluating designsafe for its suitability to the European market, • 3. Translation of designsafe to European language(s) • Objective 2: • Helping students of BME 273 and ME 243 on safety issues

  5. Importance of safety in design Unintentional injuries • Every year 30 millions injuries occur due to manufactured products. • 21 % Design defects • 25 % Inadequate guarding • 44 % Inadequate warning • Cost of $399 billion a year only in the USA; • Fifth leading cause of death; • Due to interaction between machines and their environment and the way people live and work Engineers should more think about the safety of the users... Sources: National safety council (NSC) American Society of Safety Engineers (ASSE)

  6. Importance of safety in design • The main reasons why we should more care about safety are: • Time • Costs • Competition • International Influences • Capturing knowledge • Product liability

  7. Hazard analysis: What is it? Objectives: Tool for engineers and safety practitioners to • identify possible hazards, • provide an evaluation of the risks, • prompt alternative design solutions to mitigate or control the risks to an acceptable level.

  8. Hazard analysis: What is it? Hazard:Potentially dangerous condition, which is triggered by an event, called the cause of the hazard. Risk:hazard that is associated with a severity and a probability of occurrence.

  9. Hazard analysis: What is it? Hazard analysis: Identify all possible hazards potentially created by a product, process or application. Risk assessment:It is the next step after the collection of potential hazards. Risk in this context is the probability and severity of the hazard becoming reality. European standard:EN 1050, Safety of machinery, Principles for risk assessment A guidance for decisions during the design of machinery in order to comply with the essential safety and health requirements.

  10. Hazard analysis: What is it? Hazard analysis flowchart Example of risk matrix used

  11. An useful engineers’ tool: Designsafe dse has developed a fast, easy-to-use tool for engineers and safety professionals to incorporate safety through design by: • identifying hazards • prompting engineers to think about hazards which they otherwise might overlook • conducting a risk assessment for identified hazards • reducing risks in a structured method • preventing accidents and reducing liability • Answering to the EN 1050 requirements

  12. An useful engineers’ tool: Designsafe

  13. An useful engineers’ tool: Designsafe

  14. Work completed • Built a background on safety (hazard analysis & risk assessment, CE norms…) • Learnt the use of Designsafe • Prepared a course on hazard analysis and on Designsafe for the ME 243 • Assisted to all presentations of BME 273 class that require a DS analysis • found the main safety websites and safety organizations, a list is available on our homepage (Benchmarking). • Sent surveys to non US Designsafe demo downloader, and international safety organizations. • Meet Bruce Main in Ann Arbor, MI.

  15. Current work Benchmarking : • Settling designsafe as a reference (weaknesses, strong points) • Criteria of analysis: Field of activity (medical, food, chemical, semi-conductor, robotic…), compliance, ease of use, cost, communication, languages, effectiveness ... • Our sources: Internet, feedback of the surveys, study of competitors Students projects: BME: pancreatic enzyme delivery device Uterine Retraction Device Bi-ventricular Assist Device Customization of Teaching Resources ME: Race car Moonbuggy

  16. Future work • Keep on the benchmarking • Recommendations on where to focus efforts for DS version 2 • DS French version • Involving in students’ projects • Preparation of TN Biomedical Engineering conference

  17. For more information…. Please visit our homepage : http://vubme.vuse.vanderbilt.edu/group34_99/ Thanks for your patience and understanding !

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