Orthopedic tissue matrix MeRG®

collagenxenograftabsorbable

Product overview
MeRG® is a double-layer collagen membrane made from type I collagen derived from equine tendon. Available in variants with or without a sterile measuring template, MeRG® is designed to support guided regeneration of focal cartilage lesions with involvement of the subchondral bone. It is intended for use with bone marrow stimulation techniques (e.g., Steadman microfractures) to promote tissue repair and reconstruction.

Properties

• Double-layer membrane
• Completely resorbable
• Maintains structural integrity after hydration

Benefits

• Creates a biological chamber at the lesion site
• Supports formation of a stable supercoagulum
• Two functional layers in a single device

Indications / When to use

• Indicated for treatment of focal cartilage lesions Grade III–IV (Outerbridge) with subchondral bone involvement
• Defect size > 2 cm²
• Recommended defect depth approximately 5–6 mm

How to use

• Prepare the chondral lesion and perform bone marrow stimulation as required.
• Measure the defect with the sterile template when provided and perform dry trimming of the membrane to fit.
• Hydrate the membrane with sterile saline or biological fluids for cell enrichment (PRP, bone marrow concentrate) for 1–2 minutes.
• Place the membrane over the lesion with the rough side facing the defect. Optionally apply fibrin glue inside the lesion before placement.
• Fix the membrane at the edges using fibrin glue.
• Apply gentle pressure to improve contact and wait 1–2 minutes for polymerisation.

Product range
BCG-merg — Collagen membrane – 1 pc. 50 x 50 x 0.2 mm + sterile template
BCG-mergW — Collagen membrane – 1 pc. 50 x 50 x 0.2 mm
BCG-mergK — Collagen membrane – 1 pc. 30 x 30 x 0.2 mm + sterile template
BCG-mergQ — Collagen membrane – 1 pc. 30 x 30 x 0.2 mm

Technical specifications

• Material: Type I collagen from equine tendon
• Construction: Double-layer membrane
• Resorbability: Completely resorbable
• Maintains structural integrity after hydration
• Intended use: Guided regeneration of osteochondral defects with subchondral bone involvement (Outerbridge III–IV)
• Recommended defect size: > 2 cm²
• Recommended defect depth: approx. 5–6 mm
• Available dimensions: 50 x 50 x 0.2 mm and 30 x 30 x 0.2 mm
• Some variants include a sterile measuring template
• Designed for use with bone marrow stimulation techniques and can be hydrated with saline, PRP or bone marrow concentrate prior to implantation