metforce® OA KNEE

Utilizes a supportive, lightweight frame with a customizable range-of-motion (ROM) hinge to provide support for injury recovery.

Contact Us!

Call: (941) 841 – 4565
Visit: 675 Tamiami Trail Unit 6B, Port Charlotte, FL 33953

  • Universal
  • Supportive frame
  • Adjustable range-of-motion (ROM) settings
  • Lightweight, breathable, and comfortable
  • Universal
  • Aluminum
  • Polyester
  • Ethylene-vinyl acetate
  • Copolymer
  • Nylon
  • Spandex
  • Silicon
  • Polyester
  • Polyoxymethylene

This brace is available in left and right.

  • For valgus correction (leg bowing in), wear brace on inside of affected leg
  • For varus correction (leg bowing out), wear brace on outside of affected leg
Wear Instructions
  1. Unfasten and loosen straps
  2. Align hinge with center of involved knee joint
  3. Starting with strap 1, secure and fasten straps in numerical order. Each strap may be tightened further by cutting straps and reattaching fasteners
  4. Use allen wrench provided for varus/valgus adjustments to hinge
Directions for Setting ROM Hinge
  1. Use screwdriver provided to loosen/remove screws on outside of hinge
  2. Insert stops to customize flexion/extension degree. Place a stop on posterior (back) side of hinge for desired degree of flexion and place a stop on anterior (front) side of hinge for desired degree of extension
  3. Reinsert screws into hinge cover to hold stops in place

The range-of-motion settings are customizable with the included block kit but should only be adjusted by a medical professional.

Scope Of Application 
  • Cartilage/meniscus tears
  • Chondromalacia of patella
  • Fractures of patella
  • Fractures of tibia and/or fibula
  • Knee instabilities
  • Knee ligament derangement
  • Multiple sclerosis
  • Osteoarthritis
  • Rheumatoid arthritis
  • Valgus knee
  • Varus knee
  • Among others

Get Started Today


A Warranty You Can Trust

All ARYSE products are warranted against defects in material and workmanship for a period of one (1) year from the date of shipment


Hand wash with lukewarm water and mild soap. Rinse well making sure to remove all soap residue as it can cause skin irritation and deterioration of the support. Air dry. Do not expose to direct heat or sunlight while drying to prevent shrinkage and damage to your support


directions for use

Please view the individual product page for your Orthotic for directions for use.  If you need additional help, please give us a call at:

(941) 841 – 4565