LARS
Ligament Augmentation & Reconstruction System
The construction of the LARS ligament is the result of many years' detailed research – not only in finding a suitable material, but also in identifying the best way to apply the material to produce the various ligaments available.
The material used is polyethylene terephthalate – an industrial-strength polyester fibre which has the ideal characteristics for ligament replacement applications. Each type of LARS ligament contains a specific number and 
length of fibres, depending on the intended use, and varying leaders to facilitate passage through the bony tunnels.
The intra-articular portion of the LARS ligament is made of longitudinal fibres without transverse or crossing components. The fibres are oriented to the ligament they are made for, to mimic the anatomic fibres. This patented structure allows a high resistance to fatigue, especially in flexion, as well as providing a porosity favouring fibroblastic in-
growth which then isolates the synthetic fibres. In the extra-articular portion, the same parallel fibres are kept united by a process of warp knitting. This knitting process minimises secondary elongation (as opposed to braided or woven fibres).
Resistance to traction varies with the number of longitudinal fibres – approximately 1,500N for 30 fibres, 2,500N for 60 fibres, 3,600N for 80 fibres, and 4,700N for 100 fibres.
Important: Not all products are available or cleared for distribution in all international markets. For more details, please contact your local subsidiary or distributor by visiting the Corin worldwide section.
