the device is implantable in the living body for attachment and augmentation of tendons and / or reinforcement of bones . it comprises a substantially flat membrane having a rounded outer shape and at least two perforations . the membrane contains resorbable or degradable polymeric and / or polymeric - ceramic material , having a young &# 39 ; s modulus in the range of 1 to 50 gpa and a tensile strength in the range of 0 . 1 to 20 . 0 gpa . it allows a more secure fixation of transosseous sutures .