Bioerodible wraps and uses therefor

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/58 (2006.01) A61L 27/18 (2006.01) A61L 27/20 (2006.01) A61L 27/24 (2006.01) A61L 27/38 (2006.01) A61L 27/54 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2677033

A tubular tissue graft device is provided comprising a tubular tissue and a restrictive fiber matrix of a bioerodible polymer about a circumference of the tubular tissue. The matrix may be electrospun onto the tubular tissue. In one embodiment, the tubular tissue is from a vein, such as a saphenous vein, useful as an arterial graft, for example and without limitation, in a coronary artery bypass procedure. Also provided is method of preparing a tubular graft comprising depositing a fiber matrix of a bioerodible polymer about a perimeter of a tubular tissue to produce a tubular tissue graft device. A cardiac bypass method comprising bypassing a coronary artery with a tubular tissue graft device comprising a vein and a restrictive fiber matrix of a bioerodible polymer about a circumference of the vein also is provided.

L'invention concerne un dispositif de greffe de tissu tubulaire comprenant un tissu tubulaire et une matrice de fibre restrictive d'un polymère bioérodable autour d'une circonférence du tissu tubulaire. La matrice peut être électrofilée sur le tissu tubulaire. Dans un mode de réalisation, le tissu tubulaire provient d'une veine, telle qu'une veine saphène, utile comme greffe artérielle, par exemple et sans limitation, dans une procédure de pontage aorto-coronarien. Il est également prévu un procédé de préparation d'une greffe tubulaire comprenant le dépôt d'une matrice de fibre d'un polymère bioérodable autour d'un périmètre d'un tissu tubulaire pour produire un dispositif de greffe de tissu tubulaire. Un procédé de pontage cardiaque comprenant le pontage d'une artère coronarienne avec un dispositif de greffe de tissu tubulaire comprenant une veine et une matrice de fibre restrictive d'un polymère bioérodable autour d'une circonférence de la veine est également fourni.

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