Implantable device, in particular for parietal repair

A method for manufacturing an implantable device for parietal surgery, wherein said method comprises a step of knitting a warp-knitted fabric on a knitting machine comprising:

• knitting a first knitted layer with a first guide bar supporting at least one monofilament yarn A and forming tricot stitches,
• knitting a second knitted layer with a second guide bar supporting at least one monofilament yarn B and forming tricot stitches,
• knitting a third knitted layer with a third guide bar supporting at least one monofilament yarn C and forming tricot stitches, and
• in that the movement of said first, second, and third guide bars is determined so as to obtain a warp-knitted fabric comprising a knitted bottom and comprising gripping knitted loops projecting from said knitted bottom and inclined towards said knitted bottom.