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Donjoy Armor Fourcepoint Hinged Knee Brace - ACL Ligament Knee Support - Post Surgery Rehab

Product Code: 11-144

£499.98 inc VAT

AVAILABILITY: Delivered in 2-3 days



What is the Donjoy Armor with Fourcepoint Knee Brace?

ULTIMATE ACL protection - ideal for ACL rehabilitation, sports use and skiing. Delivers an excellent fit with superb comfort

FREE Delivery direct from the manufacturer. Requires signature (you can specify a work or neighbour's address at the checkout).

When can I use it?

  • For ultimate ACL and knee ligament protection during ACL rehab.
  • Short calf for boot clearance design makes it perfect for skiing and sports use.
  • One-year warranty on frame and hinge.

Which size do I need?

State left or right knee. Measure around the thigh, 15cm (6") above the kneecap. If you are between sizes, please choose the larger size. Please select which knee you require upon purchase.

  • X-Small 33-39cm (13-15.5")
  • Small 39-47cm (15.5-18.5")
  • Medium 47-53cm (18.5-21")
  • Large 53-60cm (21-23.5")
  • X-Large 60-67cm (23.5-26.5")
  • XX-Large 67-75cm (26.5-29.5")
  • XXX-Large 75-82.5cm (29.5-32")

How does it work?

Features Donjoy's patented Fourcepoint� hinge which uses an intelligent spring mechanism to cushion movement as the knee straightens. This dampens stress on the knee during the most at risk range of motion; reduces strain on the ACL; and eliminates the rigid shock of the knee locking out. This brace provides protection through the full range of knee motion (0-140degree). In addition, simple adjustment to the hinge allows a choice of three restricted ranges of motion - 25-0degree; 35-10degree; and 45-20degree (shipped with 35-10degree).

The Donjoy Armor Knee Brace with Fourcepoint� Hinge also features the Donjoy Four Points of Leverage� system which restores knee joint stability by preventing movement of the shin in relation to the thigh. All of this knee protection is provided by a super lightweight brace made of aircraft grade aluminium. Fully lined with 'anti-migration' pads to keep the brace comfortably in place.

Please Note if buying from abroad: These products are sent direct from the manufacturer and so lead times will be significantly longer than normal if you purchase this item from outside the UK

Product Features

  • For moderate to severe ACL injuries and prevents hyperextension
  • Features Fourcepoint steel spring loaded hinge and 3 locking points for restriction of movement
  • Ideal for use during contact sports as well as an excellent aid for skiing and snowboarding
  • Made with aircraft grade aluminium and foam pads. Latex free
  • Choose left or right fitment. Check product description for size guide.

Product Spec

General Specs
ColourBlack / Silver
OrientationLeft or Right
One SizeNo
Material CompositionAluminium
Latex FreeYes
Indication (General)
Postoperative RehabilitationNo
Premium Use
Contact SportYes
Activity of Daily LivingNo
Conservative UseYes
Extreme SportsYes
Female SportsNo
Sport Activity
Water SportsYes
Other Sport ActivityYes
No Sport ActivityYes
General Specs (Braces & Support)
Brace LengthStandard
Warranty Frame and/or Hinge1 year
Warranty Liners6 months
Functional Specs (Braces & Support)
Standard Thigh & Short calfYes
Short Thigh & CalfNo
Standard Thigh & Calf Yes
Liners Material
Hypo-Allergic DoeskinNo
Indication (Knee)
ACL InjuryYes
PCL InjuryNo
Combined Instability (ACL + PCL)No
MCL InjuryYes
LCL InjuryYes


Average Customer Rating Donjoy Armor Fourcepoint Hinged Knee Brace - ACL Ligament Knee Support - Post Surgery Rehab has a rating of 5.0 stars5.0 stars (8 reviews)

“Excellent product, ”

Reviewed by massimo

I did use for 9 day continuously 5 to 6 hours of ski every day, advance rider but no race this year. Had ACL complete injury + collateral, no surgery. I have found it excellent for stability and comfort. Easy to wear , adjustment once put on and fitting well under ski trousers (north face). Lycra highly recommended.
Since my quads still behind I found excellent support when carving.
Consultant Surgeon

“Andy Cooper”

Reviewed by Coops

If you want a knee brace to go skiing in then this is the one.
It gives you the confidence to go for it still.
I am an intermediate skier who still does black runs and I have a detached ACL.
Make sure you buy the black under garment to stop the velcro straps catching on the inner of your ski pants.


Reviewed by yofqxxv

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Reviewed by qjnxtnywe

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“Excellent support”

Reviewed by Anonymous

I have worn this brace for 4 weeks now after 3 PCL reconstructions of the left knee. I have tried many braces over the past 10 years and this one is by far the best. As I am only 32 and still very active, this brace allows free movement and supports my weak knee really well.
Once you can get used to the pressure points pushing on the side of your knee, you will notice an improvement.
This brace has changed my life.

“Good product, allows me to play golf”

Reviewed by Richatd Taberner

Only one slight complaint. The brace is just a bit tight around my calf and tends to pinch me.
The fit everywhere else is perfect.

“Does the job”

Reviewed by deeps32

Bought this brace in 2008 because I have a R) knee with is ACL deficit (+ bad menisci). Have skiied in 2008,2009 and 2010 with it. Apart from a bit of time getting it on the knee it is a great contraption. You have to accept some comments from friends and family. My skiing is mostly on-piste with a bit of off-piste at the end of the week. No trouble at all with the brace. I have been thinking of getting a protective L) brace but the cost is prohibitive - this is my only negative point

“V. happy - ACL recon 20 yrs ago, - skiied all week!”

Reviewed by R Davis

The DonJoy Fourcepoint brace was unbelievably good. I have a badly damaged knee, big ACL recon op 20 years ago, no cartliledge, arthritis, it is knackered. Haven't skiied for 9 years but wanted to take the kids, and I didn't think I'd even be able to join them. Despite a lot of gym work beforehand without the brace the knee would not have been strong enough. Yet I skiied all week, if anything the knee improved due to the exercise!
It's a solid design, gives excellent support, you know you're wearing it, but get used to it quickly. Highly recommended! R Davis...London

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Availability & Delivery

Donjoy Armor Fourcepoint Hinged Knee Brace - ACL Ligament Knee Support - Post Surgery Rehab is available for immediate dispatch, direct from the manufacturer. Orders placed by 4pm Monday to Friday (excluding Bank Holidays) are dispatched the same day.

Money Back Guarantee offers a 30 day money back guarantee. This means that for the 30 days following your purchase of any item(s) from you can return or exchange your item(s), provided they are unused and in their original packaging.

Full details of our returns policy is available here.