Implantable devices useful for reinforcing a surgically...

A - Human Necessities – 61 – F

Patent

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A61F 2/00 (2006.01)

Patent

CA 2674859

An implantable tissue reinforcement device (10) for treating or preventing the formation of parastomal hernias. The tissue reinforcement device comprises a sheet-like graft member (11), wherein a sizing pattern (13) is included that comprises linear indicia (14) radiating outward from a stomal aperture (12). The linear indicia facilitate creation of a resized stomal opening in the graft member sufficiently large to allow passage of the resected bowel portion. The linear indicia may comprise a series of weakened (perforated) lines (15) that facilitate the cutting of the material. The sizing pattern can be imprinted on or etched into the material of the graft member, or it can be at least partially located on a separate template that is either laid over Nthe graft member, preattached as a cuttable overlay, or used as a reference guide.

La présente invention concerne un dispositif de renforcement tissulaire implantable (10) permettant de traiter ou de prévenir la formation d'hernies parastomiales. Le dispositif de renforcement tissulaire comporte un élément de greffe de type feuille (11) présentant un schéma de calibrage (13) constitué d'indications linéaires (14) rayonnant autour d'une ouverture pour stomie (12). Les indications linéaires facilitent la création dans l'élément de greffe d'une ouverture pour stomie redimensionnée, suffisamment large pour permettre le passage de la partie d'intestin ayant subi une résection. Les indications linéaires peuvent comporter une série de lignes de rupture (perforées) (15) qui facilitent la découpe du matériau. Le schéma de calibrage peut être imprimé ou gravé dans le matériau de l'élément de greffe, ou il peut être au moins partiellement réalisé sur une matrice séparée qui recouvre l'élément de greffe, est préattachée sous forme de revêtement susceptible d'être découpé, ou est utilisée en tant que guide de référence.

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