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Aircast AirSport Ankle Brace

How Do I Fit My Donjoy OA Knee Brace?

Tuesday, 19 January 2021  |  Paul

We sell a number of Donjoy OA Braces that are designed to tackle osteoarthritis in your knee by offloading pressure from one side of the knee to the other. They come in all shapes and sizes, and, although more commonly used by elderly people, they can also be used by sportspeople recovering from injuries. OA Offloading Braces are serious pieces of equipment, so it's important that you get the right size and know how to fit it properly

Which Brace Should I Choose?

If you're unsure about which brace is right for you, then we would recommend either following the below guidelines or click on the yellow box to view our Which Donjoy OA Brace Is Right for Me? blog.

  • Donjoy OA Adjuster 3: Durable and heavyweight. For sportspeople and the elderly. For mild to moderate osteoarthritis, unicompartmental osteoarthritis and remaining active.
  • Donjoy OA Clima-Flex Knee Support: For light activities like walking and golf. For mild to moderate OA pain and avoiding surgery. For use in warmer weather.
  • Donjoy OA Nano Unloader Knee Brace: Slimline design for mild to moderate knee OA. Allows you to stay active. For unicompartmental osteoarthritis.
  • Donjoy OA Reaction Web Knee Brace: Effective way to treat osteoarthritis knee pain. Comfortable for encouraging patient compliance. Prepares user for wearing larger knee braces.

Find Out How to Fit Your OA Brace

Click on the below braces to head on down to your brace.

Key Point: Each of the braces either come for your lateral side or your medial side. Medial means that the pain is on the inner side of your knee, and lateral means that the pain is on the outer part of your knee.


The Donjoy OA Adjuster 3 Unloader Osteoarthritis Knee Brace

Sizing Information

Buying the correct sized brace is simple. All you need to do is measure the circumference of your thigh, approximately 15cm (6 inches) above the kneecap. Once you've done that, you can choose your correct size by matching your thigh circumference to the table below.

Where to Measure Your Thigh

If you are between sizes, we would recommend opting for the size above.

Size Thigh Circumference (cm)
Extra Small 33 - 39cm
Small 39 - 47cm
Medium 47 - 53cm
Large 53 - 60cm
Extra Large 60 - 67cm
XX-Large 67 - 75cm
XXX-Large 75 - 81cm

Fitting Instructions

Follow the below instructions when fitting your brace (a full instruction guide is supplied with your purchase).

  1. With Your Purchase:
    1. With your purchase, you will receive the brace, a key and some user instructions.
  2. Fitting your Brace:
    1. The brace is fitted by tightening and loosening a number of straps which allow you to manipulate the brace.
    2. Place your foot at a 45 degree angle on the floor.
    3. Place your leg through the brace (the lower straps at the back shouldn't be undone).
    4. Position your brace so that the hinge is level with your knee cap. You don't want the hinge to be above, behind or below your knee.
    5. Grab the strap immediately below the hinge and place is above your patella. This strap should prevent the brace from moving, so make sure it is tight enough.
    6. Just lower than that strap you'll find a second strap. This strap can be applied across the shin bone and placed through a D-ring on its opposite side.
    7. The next strap to look for, is the strap on the back of the brace behind your hamstring, which can be looped through a D-Ring and tightened with the Velcro. Just lower than this, will be a second hamstring strap which can be tightened in the same way. 
  3. Tightening your Brace:
    1. Use all of the straps on the brace to tighten it to a level that feels comfortable.
  4. How to Offload Pressure:
    1. We would recommend speaking to your GP before you go ahead with this.
    2. With your purchase you'll find a key. The key entry points on the brace are above or below the patella.
    3. Simply insert the key and tighten the brace on the side opposite to the pain.
    4. Do this gradually, as you don't want to over-tighten the brace.
    5. Stand up and test to see if your osteoarthritis pain is still there.

The Donjoy OA Clima-Flex Knee Brace

Sizing Information

To find the correct size, measure the circumference of your thigh, approximately 15cm (6 inches) above the kneecap. Once you've done that, you can choose your correct size by matching your thigh circumference to the table below.

Where to Measure Your Thigh
If you are between sizes, we would recommend opting for the size above.

Size Thigh Circumference (cm)
Extra Small 33 - 39cm
Small 39 - 47cm
Medium 47 - 53cm
Large 53 - 60cm
Extra Large 60 - 67cm
XX-Large 67 - 75cm
XXX-Large 75 - 81cm

Fitting Instructions

  1. Open the Brace:
    1. Open the brace by opening the straps and the flaps.
  2. Put the Brace On:
    1. Line the centre of the hinge to the centre of the knee, and wrap the side flap around the top of your leg.
    2. The hinge should be on the unaffected side of the knee and the patella hole should be over your patella.
    3. Wrap the calf strap around the calf.
  3. Make Adjustments:
    1. Use the straps to make sure the brace is tight enough.
  4. Strap the Calf:
    1. Use the below calf strap to tighten the brace further.
    2. Use the thigh strap to strap the thigh in tight.
  5. Adjust Hinge:
    1. Rotate the knobs on the hinge clockwise to tighten your brace (make sure there is no more than a 2 digit difference on the two digit indicators.
  6. Watch the Below Video for a Tutorial:


The Donjoy OA Nano Unloader Osteoarthritis Knee Brace

Sizing Information

To find the correct size, measure the circumference of your thigh, approximately 15cm (6 inches) above the kneecap. Once you've done that, you can choose your correct size by matching your thigh circumference to the table below.

Where to Measure Your Thigh
If you are between sizes, we would recommend opting for the size above.

Size Thigh Circumference (cm)
Extra Small 33 - 39cm
Small 39 - 47cm
Medium 47 - 53cm
Large 53 - 60cm
Extra Large 60 - 67cm
XX-Large 67 - 75cm
XXX-Large 75 - 81cm

Fitting Instructions

  1. Measure your Thigh:
    1. Measure the circumference of your thigh 15cm above the kneecap.
  2. Fit Your Brace:
    1. Open all of the straps on your knee brace. and put your leg into the brace with your knee at a 45 degree angle.
    2. Centre the hinges level with the patella (kneecap).
    3. Fit strap number 1 (the strap at the bottom of your brace) and tighten with the Velcro.
    4. Fix strap number 2 which is the highest strap at the back of the brace.
    5. Fix strap number 3, the strap at the back just above your knees.
    6. Adjust all three straps so they are tight enough.
    7. Pull the hinges forward slightly but not beyond the middle of the leg.
    8. Now you can fix strap number 4, the strap underneath your kneecap on the front, before fixing the strap underneath your kneecap on the back.
    9. At this stage, the hinges should be slightly above the patella and slightly behind the middle of the leg.
  3. Make Sure it Fits:
    1. Test the brace by walking around.
    2. Use the key provided for the patient to set the offloading pressure to the desired level. This should be done at your doctors recommendation.
    3. This should be on the opposite side on the affected knee.
  4. Watch the Video Below for a Tutorial:


The Donjoy OA Reaction Web Knee Brace

Sizing Information

To find the correct size, measure the circumference of your thigh, approximately 15cm (6 inches) above the kneecap. Once you've done that, you can choose your correct size by matching your thigh circumference to the table below.

Where to Measure Your Thigh
If you are between sizes, we would recommend opting for the size above.

Size Thigh Circumference (cm)
Extra Small 33 - 39cm
Small 39 - 47cm
Medium 47 - 53cm
Large 53 - 60cm
Extra Large 60 - 67cm
XX-Large 67 - 75cm
XXX-Large 75 - 81cm

Fitting Instructions

  1. Put the Knee Sleeve On:
    1. Put the knee sleeve on first with the grey area above your kneecap.
  2. Put the Brace On:
    1. Undo all the straps on your brace and place over your kneecap with the web mesh at the top where your patella is located.
    2. Bring through the calf and thigh straps around the back and through the hinges on the side.
    3. Do this gently to a level of tightness that suits you.
  3. Watch the Below Video for a Tutorial:

 

We hope that this guide has helped you to understand how to put on your knee brace. If you want to view the full range, please visit our Donjoy OA Knee Braces category.

Do you have any questions about our knee supports, or are you struggling to fit your support? Please don't hesitate to let us know in the comments, or find us on Facebook and Twitter!

Tags: ArthritisKnee PainDonjoy OA Braces