the present invention relates to a surgical fastener or device formed in the shape of an arrow comprising a shaft with a proximal portion having protrusions and a blunt end and a distal portion having protrusions and a pointed end , the protrusions of the proximal and distal portions configured to lock the implant in a position inside a soft and / or tough tissue according to the use of the implant . the implant may be manufactured of a polymer or a polymeric compound which is substantially absorbable in tissue conditions and contains oriented reinforcing structure or the like of a polymer or polymeric compound or ceramic bioglass compound . the surgical implant of the invention is particularly but not solely intended to be used in repair surgery of traumas of soft and / or tough tissues containing fibrous structures , such as knee meniscal tissues .