The HeliMend and HeliMend Advanced absorbable collagen membranes are made from purified bovine tendon. The product provides wound stabilization and creates space during guided tissue regeneration procedures where a longer absorption rate is desired. The HeliMend collagen membrane is absorbed in 4 to 8 weeks; while the HeliMendAdvanced collagen membrane is absorbed in 18 weeks. Each membrane is supplied sterile and in an easy to open package.