A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/24 (2006.01)
Patent
CA 2315718
A stentless aortic bioprosthesis having patent, non-ligated coronary artery segments extending therefrom, and methods for surgical replacement of aortic and/or non-aortic (e.g., pulmonary) heart valves with such stentless aortic bioprosthesis. The presence of the patent, non-ligated coronary segments facilitates end to end anastomosis of the patient's native coronary arteries and/or existing coronary artery bypass grafts to the coronary segments of the bioprosthesis even when such native coronary arteries (or coronary grafts) arc too short to reach the wall of the aortic segment of the bioprosthesis. The presence of such patent, non-ligated coronary segments also eliminates the need for removal of a "button" or segment of the native aorta in connection with the native coronary artery segments prior to implantation of the bioprosthesis, and is thus advantageous for patient's whose ascending aorta is diseased or otherwise compromised.
La présente invention concerne une bioprothèse aortique sans stent de laquelle s'étendent des segments d'artères coronaires non ligaturés, ouverts, et les techniques chirurgicales de remplacement de valvules cardiaques aortique et/ou non-aortique (par exemple, pulmonaire) avec une telle prothèse. La présence de segments coronaires non ligaturés, ouverts, facilite l'anastomose des extrémités des artères coronaires naturelles du patient, et/ou des pontages aorto-coronariens par greffes existants, aux segments coronaires de la bioprothèse, même si de telles artères coronaires naturelles (ou greffes coronaires) sont trop courtes pour atteindre la paroi du segment aortique de ladite bioprothèse. La présence desdits segments coronaires non ligaturés, ouverts, élimine aussi le besoin d'enlever un "bouton" ou un segment de l'aorte naturelle reliée aux segments d'artères coronaires naturelles avant le transplant de la bioprothèse; elle est donc avantageuse pour les patients dont l'aorte ascendante est malade ou en mauvais état.
Edwards Lifesciences Corporation
Sim & Mcburney
LandOfFree
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