A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/24 (2006.01)
Patent
CA 2203245
The invention provides a sewing cuff assembly (32) for mounting to the body (22) of a heart valve prosthesis (20). The sewing cuff assembly comprises a resiliently deformed spring (42) for exerting a force directed toward the orifice structure. When a torque is applied to the valve (20), the force results in a rotation-resisting torque sufficient to resist rotation during normal operation of the valve (20) after implantation but low enough to permit assisted rotation, as during surgery.
La présente invention concerne un ensemble manchon de suture (32) destiné à être monté sur le corps (22) d'une prothèse de valvule cardiaque (20). L'ensemble manchon de suture comprend un ressort (42) à déformation élastique servant à exercer une force en direction de la structure d'orifice. Lorsqu'un couple est appliqué à la valvule (20), cette force provoque un couple contrarotatif suffisant pour résister à la rotation pendant le fonctionnement normal de la valvule (20) après implantation, mais suffisamment bas pour permettre une rotation assistée, au cours d'une intervention chirurgicale par exemple.
Allan Bob
Anderson Kimberly A.
Girard Michael J.
Graf James E.
Kramlinger William R.
Marks & Clerk
St. Jude Medical Inc.
LandOfFree
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