A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/24 (2006.01)
Patent
CA 2324415
A system, apparatus and method for tanning of a stentless aortic bioprosthesis, and articles manufactured by such method. The system generally comprises a circulating bath which contains a tanning solution, and a support insert apparatus upon which the bioprosthesis is mounted during the tanning prosthesis. The support insert has i) two (2) coronary Sinus of Valsalva support projections for maintaining the coronary Sinuses of Valsalva in their substantially open, non-collapsed configurations, and ii) one (1) non-coronary Sinus of Valsalva support projection for maintaining the non-coronary Sinus of Valsalva in its substantially open, non-collapsed configuration, during tanning. Additionally, the system may include internal or external support members for maintaining the patency of right and left coronary artery segments, such coronary artery segments being permitted to remain attached to the Aortic bioprosthesis during tanning.
L'invention concerne un système, un appareil et un procédé de tannage d'une bioprothèse aortique dépourvue d'extenseur, et les articles fabriqués selon ledit procédé. Le système comprend généralement un bain de circulation qui contient une solution de tannage, et un insert de support sur lequel est montée la bioprothèse pendant le processus de tannage. L'insert de support comprend: i) deux (2) projections de supports des sinus de Valsalva coronaires permettant de maintenir ces derniers dans leurs configurations sensiblement ouvertes et non affaissée, et ii) une (1) projection de support du sinus de Valsalva coronaire permettant de maintenir ce dernier dans sa configuration sensiblement ouverte et non affaissée pendant le tannage. En outre, le système peut comprendre des éléments de support intérieurs ou extérieurs qui permettent de maintenir la perméabilité des segments coronaires droit et gauche, ces segments coronaires pouvant rester attachés à la bioprothèse aortique pendant le tannage.
Nguyen-Thien-Nhon Diana
Quintero Lillian
Edwards Lifesciences Corporation
Sim & Mcburney
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