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 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. 

Neurolac and Neurolac Thin Wall Nerve Guides are synthetic and transparent nerve regeneration tubes for use in peripheral nerve repair. The guides can be sutured and fully absorb in 24 months. They are non-immunogenic and are available in internal diameters from 1.5 to 10mm, and 3cm in length....

 Neuroflex flexible collagen conduits from Stryker are intended for use in the repair of peripheral nerve discontinuities of less than 2.5cm following trauma, failed primary nerve repair or oncological excision. They are manufactured from bovine Type 1 collagen, are selectively permeable...