Artificial Heart Valves: Difference between revisions
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(New page: ==History== 1952- First heart valve replacement using the caged-ball valve designed by a surgeon, Doctor Hufnagel. This valve did not replace the patient's diseased aortic valve but instea...) |
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Revision as of 16:37, 8 February 2013
History
1952- First heart valve replacement using the caged-ball valve designed by a surgeon, Doctor Hufnagel. This valve did not replace the patient's diseased aortic valve but instead it was inserted in the descending aorta in an open-chest procedure. 1960- ball valves are introduced 1962- aortic homografts are introduced 1965- glutaraldehyde-preserved porcine 'bioprostheses' 1969- disc valves 1977- invention of bileaflet valves by St. John's Medical