Avance processed nerve allograft is a decellularised and sterile extracellular matrix derived from human peripheral nerve tissue. It is available in a variety of lengths and diameters to match the nerve gap.  Avance is distributed in the United Kingdom by Hospital Innovations . A...

The AxoGuard Nerve Connector from Axogen is a tubular multilaminar extracellular collagen porcine-derived matrix which is used to help approximate nerve endings in peripheral nerve repair. It comes in a variety of sizes and can bridge gaps of up to 5mm. Once rehydrated the product is pliable and...

The Axoguard Nerve Protector is a multilaminar porcine-derived collagen implant intended to assist the repair of peripheral nerves. The implant is rehydrated in theatre and placed around the repaired nerve junction. Instructions for use from the manufacturer can be found here .

The NeuraGen Nerve Guide is an absorbable collagen tube which acts as a conduit for axonal growth across a nerve gap after peripheral nerve injury. The level of nerve recovery is said to be equivalent to that of direct nerve repair. 

The NeuraWrap Nerve Protector from Integra LifeSciences is an absorbable collagen implant intended to be placed around a peripheral nerve repair, and which resists external pressure and scar ingrowth.