Many surgical operations require use of textile implants intended to be positioned in the region of human organs (Fig 1). Such implants have to meet numerous requirements such as two-directional strength, bio-compatibility criteria and flexibility, and exhibit a certain degree of elasticity.These textile implants have to be porous and non-aggressive. In order to adapt the shape of a knitted implant to suit the anatomy of an implantation site, it may be necessary to produce it in the form of an assembly of several pieces of knitted fabric. Current practice is to stitch the pieces of knitted fabric together by hand, which does not always allow satisfactory repeatability in terms of seam breaking strength.
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