Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Annuloplasty device
Reexamination Certificate
2011-06-14
2011-06-14
Isabella, David (Department: 3774)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Annuloplasty device
Reexamination Certificate
active
07959673
ABSTRACT:
Annuloplasty rings optimally sized to take into account more of the common degenerative valve pathologies. Each ring has a structural ring body with a shape that complies with predicted shapes of degenerative valvular diseases, such as fibroelastic deficiency (FED), Marfan's or Barlow's. The predicted shapes are obtained through careful echocardiographic and intraoperative measurements, and often differ for different annulus orifice sizes. For instance, in mitral rings the larger rings have larger minor axis and oblique axis dimensions relative to their major axis dimensions, and are more circular as opposed to D-shaped. The rings may also be three-dimensional and the relative heights around the rings may change for different sized rings. A mitral ring may have a higher anterior saddle relative to a posterior saddle, with the relative heights varying across the ring sizes. The ring may have varying flexibility around the ring periphery which also changes for different ring sizes. A bulge on the sewing cuff forms a step on the outflow side for ease of suturing, which may be indicated by a suture line.
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patent: 2
Adams David H.
Adzich Vaso
Carpentier Alain F.
Cumberbatch Guy
Edwards Lifesciences Corporation
Isabella David
Kaiser AnneMarie
Woznicki Jacqueline
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