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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 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?
Artificial Hearts • What are they? • What are they used for? • Who needs them?
Artificial Hearts • What are they? • What are they used for? • Who needs them? • Big industry?
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
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
Challenges • Size
Challenges • Size • Weight
Challenges • Size • Weight • Material
Challenges • Size • Weight • Material • Power
Challenges • Size • Weight • Material • Power • Price
Challenges • Size • Weight • Material • Power • Price • Residence time
Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis
Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path - thrombosis
Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path – thrombosis • Price
Challenges • Size • Weight • Material • Power • Price • Residence time • Sheer stresses – hemolysis • Blood path – thrombosis • Price
Available Solutions • LVAD • Axial flow pumps • Centrifugal pumps • Pusher plate pumps • RVAD • Axial flow pumps • Centrifugal pumps • Pusher plate pumps • BiVAD • BiVad • TAH • BiVAD
Future Solutions • New Technologies • Improvement • Smaller • Lighter • Consumes less power • More efficient • Less blood damage