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Artificial Hearts

Artificial Hearts. Ashraf W Khir October 2010. Outline. Introduction Problem and it source The need Challenges in meeting the need The available solutions Potential solutions. Artificial Hearts. What are they?. Artificial Hearts. What are they? What are they used for?.

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Artificial Hearts

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  1. Artificial Hearts Ashraf W Khir October 2010

  2. Outline • Introduction • Problem and it source • The need • Challenges in meeting the need • The available solutions • Potential solutions

  3. Artificial Hearts • What are they?

  4. Artificial Hearts • What are they? • What are they used for?

  5. Artificial Hearts • What are they? • What are they used for? • Who needs them?

  6. Artificial Hearts • What are they? • What are they used for? • Who needs them? • Big industry?

  7. Size of the Problem • In the UK only • 350,000 new cases diagnosed with heart failure • Global “epidemic” problem • 1 in every 5 of us will die of cardiovascular disease • Industry • Billion $$ and expanding

  8. Source of the Problem • Diet • Fast food • lack of a balanced diet • Socio-economical patterns • Obesity • Lack of body exercise • cars vs. cycling • TV remote • Heart disease • coronary artery disease (CAD) • Ventricular disease

  9. Challenges • Size

  10. Challenges • Size • Weight

  11. Challenges • Size • Weight • Material

  12. Challenges • Size • Weight • Material • Power

  13. Challenges • Size • Weight • Material • Power • Price

  14. Challenges • Size • Weight • Material • Power • Price • Residence time

  15. Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis

  16. Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path - thrombosis

  17. Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path – thrombosis • Price

  18. Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path – thrombosis • Price

  19. Available Solutions • LVAD • Axial flow pumps • Centrifugal pumps • Pusher plate pumps • RVAD • Axial flow pumps • Centrifugal pumps • Pusher plate pumps • BiVAD • BiVad • TAH • BiVAD

  20. Future Solutions • New Technologies • Improvement • Smaller • Lighter • Consumes less power • More efficient • Less blood damage

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