IMPLANT FOR HERNIA REPAIR

摘要

A hernia repair implant includes a first layer for facing a body structure having a hernia defect so cover the defect while promoting tissue growth into the first layer from the body structure. The implant also includes a second layer opposed to the first layer and made of anti-adhesion material to prevent growth of tissue into the second layer from body structures contacting the second layer. Furthermore, the implant includes at least one engagement strap connected to the first layer and extending therefrom to terminate at a free end. The engagement strap defines opposed thin edges and opposed flat surfaces extending between the edges. At least one barb extends from at least one edge and/or at least one flat surface of the strap and is configured to impede motion of the strap in only a single direction.

主权项

1. Snaring instrument for snaring a strap of a hernia repair implant disposed in a patient's abdomen, comprising:
elongated tube assembly defining a distal end segment terminating at an open distal end; guide wire opening in the distal end segment for receiving a guide wire therethrough such that the distal end segment can ride along the guide wire extending through the open distal end and guide wire opening; the tube assembly also defining a proximal segment, the segments being movable relative to each other between a juxtaposed configuration, in which the proximal segment is closely juxtaposed with the distal segment and a movable grasping jaw within the assembly is oriented longitudinally within the assembly, and a separated configuration, in which the proximal segment is distanced from the distal segment to permit the movable grasping jaw within the assembly to assume under material bias a grasping position in which the grasping jaw is oriented at on oblique angle relative to a long axis defined by the assembly and a free distal end of the jaw is disposed radially outward of the segments such that the strap can be positioned between the jaw and the long axis and then the assembly moved to the juxtaposed configuration to trap the strap for retrieval.