{"product_id":"donjoy-hinged-air-knee-brace-hyperextension-patellar-support","title":"DonJoy Hinged Air Knee Brace - Hyperextension \u0026 Patellar Support","description":"\u003carticle id=\"ot-donjoy-hinged-air\" class=\"ot-web-content\"\u003e\n\u003cstyle\u003e\n#ot-donjoy-hinged-air{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;line-height:1.7;color:#172033;max-width:1040px;margin:0 auto}\n#ot-donjoy-hinged-air *{box-sizing:border-box}\n#ot-donjoy-hinged-air h2{font-size:clamp(1.55rem,3vw,2.1rem);line-height:1.2;color:#102b4e;margin:0 0 18px}\n#ot-donjoy-hinged-air h3{font-size:clamp(1.2rem,2.2vw,1.5rem);line-height:1.3;color:#123b65;margin:28px 0 12px}\n#ot-donjoy-hinged-air p{margin:0 0 17px}\n#ot-donjoy-hinged-air a{color:#075eaa;text-decoration:underline;text-underline-offset:2px}\n#ot-donjoy-hinged-air ul,#ot-donjoy-hinged-air ol{padding-left:24px;margin:0 0 20px}\n#ot-donjoy-hinged-air li{margin:7px 0}\n#ot-donjoy-hinged-air .ot-answer{background:#eef8fb;border-left:5px solid #00a9c6;padding:17px 20px;border-radius:8px;margin:18px 0}\n#ot-donjoy-hinged-air .ot-notice{background:#fff8e8;border:1px solid #f0d28b;padding:15px 18px;border-radius:8px;margin:18px 0}\n#ot-donjoy-hinged-air .ot-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid #d8e1eb;border-radius:9px;margin:18px 0}\n#ot-donjoy-hinged-air table{width:100%;border-collapse:collapse;min-width:650px;background:#fff}\n#ot-donjoy-hinged-air th{background:#102b4e;color:#fff;text-align:left;padding:12px}\n#ot-donjoy-hinged-air td{padding:11px 12px;border-top:1px solid #dfe6ee}\n#ot-donjoy-hinged-air details{border:1px solid #d8e1eb;border-radius:8px;padding:12px 16px;margin:10px 0}\n#ot-donjoy-hinged-air summary{cursor:pointer;font-weight:700;color:#102b4e}\n#ot-donjoy-hinged-air .ot-video{position:relative;aspect-ratio:16\/9;max-width:850px;background:#172033;margin:16px 0 20px}\n#ot-donjoy-hinged-air .ot-video iframe{width:100%;height:100%;border:0}\n#ot-donjoy-hinged-air img{max-width:100%;height:auto}\n\u003c\/style\u003e\n\u003ch2\u003eDonJoy Hinged Air Knee Brace for Hyperextension and Patellar Support\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDonJoy Hinged Air Knee Brace\u003c\/strong\u003e combines medial\/lateral hinged support with inflatable pads that can help stabilize the kneecap. Enovis lists hyperextension, patellar tendonitis, chondromalacia, and medial\/lateral knee instability among its applications. The breathable Drytex construction has a wraparound rear thigh panel, a sleeve-style calf section, and a popliteal cutout behind the knee.\u003c\/p\u003e\n\u003cdiv class=\"ot-answer\"\u003e\u003cp\u003e\u003cstrong\u003eWhich version do I order?\u003c\/strong\u003e All six size choices are the same DonJoy Hinged Air model, in black, and are designed to fit either the left or right knee. Select \u003cstrong\u003eone size (XS–XXL)\u003c\/strong\u003e using the chart below. Each quantity is \u003cstrong\u003eone knee brace\u003c\/strong\u003e, not a pair.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3\u003eWhy Choose the DonJoy Hinged Air?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyperextension support:\u003c\/strong\u003e Polycentric hinges with extension control; the manufacturer's instructions identify a 10-degree extension stop installed in the brace.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable kneecap support:\u003c\/strong\u003e Inflatable medial and lateral air chambers allow targeted patellar buttress support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide-to-side stability:\u003c\/strong\u003e Bilateral hinges provide medial\/lateral support for appropriate knee instability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable fit:\u003c\/strong\u003e Drytex is a breathable alternative to neoprene; upper and lower support straps help secure the brace.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasier application:\u003c\/strong\u003e The rear thigh wrap panel opens while the calf portion slips over the foot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Order the Correct Size\u003c\/h3\u003e\n\u003cp\u003eUse a flexible tape measure with the leg slightly bent. Take three circumference measurements: \u003cstrong\u003e6 inches above the center of the kneecap\u003c\/strong\u003e (thigh), \u003cstrong\u003eat the center of the kneecap\u003c\/strong\u003e, and \u003cstrong\u003e6 inches below the center of the kneecap\u003c\/strong\u003e (calf). Compare all three values with the manufacturer's measurements. Measurements are displayed in inches first.\u003c\/p\u003e\n\u003cdiv class=\"ot-scroll\" role=\"region\" tabindex=\"0\" aria-label=\"DonJoy Hinged Air knee brace size chart and manufacturer part numbers\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eOrder Size\u003c\/th\u003e\n\u003cth\u003eThigh (6\" above)\u003c\/th\u003e\n\u003cth\u003eKnee Center\u003c\/th\u003e\n\u003cth\u003eCalf (6\" below)\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eXS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13–15.5\"\u003c\/td\u003e\n\u003ctd\u003e12–13\"\u003c\/td\u003e\n\u003ctd\u003e10–12\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-1-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.5–18.5\"\u003c\/td\u003e\n\u003ctd\u003e13–14\"\u003c\/td\u003e\n\u003ctd\u003e12–14\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-2-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.5–21\"\u003c\/td\u003e\n\u003ctd\u003e14–15\"\u003c\/td\u003e\n\u003ctd\u003e14–16\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-3-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21–23.5\"\u003c\/td\u003e\n\u003ctd\u003e15–17\"\u003c\/td\u003e\n\u003ctd\u003e16–18\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-4-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eXL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.5–26.5\"\u003c\/td\u003e\n\u003ctd\u003e17–19\"\u003c\/td\u003e\n\u003ctd\u003e18–20\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-5-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eXXL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26.5–29.5\"\u003c\/td\u003e\n\u003ctd\u003e19–21\"\u003c\/td\u003e\n\u003ctd\u003e20–22\"\u003c\/td\u003e\n\u003ctd\u003e11-0855-6-06000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eOnly sizes XS–XXL are offered for \u003cstrong\u003ethis particular Hinged Air model\u003c\/strong\u003e. Please use the size selector next to the product price to choose the exact size before adding to cart. You do \u003cstrong\u003enot\u003c\/strong\u003e need to select a separate left\/right version.\u003c\/p\u003e\n\u003ch3\u003eManufacturer Video: How to Measure for a DonJoy Knee Brace\u003c\/h3\u003e\n\u003cp\u003eThis official Enovis DonJoy video explains the three-point leg measurement method. \u003cstrong\u003eIt is a sizing demonstration, not a Hinged Air-specific fitting video.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ot-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/_q7Eh5gkmyU\" title=\"Enovis DonJoy: How to measure for a DonJoy knee brace\" loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=_q7Eh5gkmyU\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWatch the official sizing video on YouTube\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eHow to Put On and Adjust the Brace\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSit at the edge of a chair, open the rear brace panel and step your leg through the brace.\u003c\/li\u003e\n\u003cli\u003eSlide it into position so the top of the circular opening aligns with the top of the kneecap; keep the two hinges parallel.\u003c\/li\u003e\n\u003cli\u003eClose the rear panel comfortably and secure the thigh and calf straps.\u003c\/li\u003e\n\u003cli\u003eInflate the relevant medial or lateral air chamber with its built-in pump as instructed by your healthcare professional. Use the release valve when a reduction in air pressure is needed.\u003c\/li\u003e\n\u003cli\u003eCheck fit and comfort. Any change to the extension-stop setting should follow your clinician's directions; both hinge stops must match.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.enovis-medtech.de\/assets\/0d702f8c-ed95-48b5-b09f-d0f8caee51f0\/original\/Gebrauchsanleitung_AIR-DONJOY_GS_13-2066-0-00000_REV_E.pdf.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRead the DonJoy Hinged Air official fitting and care instructions (PDF)\u003c\/a\u003e. The guide includes actual product illustrations for fitting, inflation and hinge adjustment.\u003c\/p\u003e\n\u003cdiv class=\"ot-notice\"\u003e\u003cp\u003e\u003cstrong\u003eExtension-stop note:\u003c\/strong\u003e The standard brace has a 10-degree extension stop already fitted. Other stop settings and optional replacement parts should not be assumed to be included with your purchase. Confirm any prescribed settings and required accessories before use.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3\u003eSpecifications and What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\/manufacturer:\u003c\/strong\u003e DonJoy by Enovis \/ DJO, LLC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct model:\u003c\/strong\u003e Hinged Air, Drytex series 11-0855-x-06000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e XS, S, M, L, XL, XXL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaterality:\u003c\/strong\u003e Universal; fits right or left knee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Bilateral polycentric hinges, inflatable patellar support, rear wraparound thigh, slip-on calf, popliteal cutout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of measure:\u003c\/strong\u003e One brace (each); no separate left\/right selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the DonJoy Hinged Air designed for knee hyperextension?\u003c\/summary\u003e\u003cp\u003eYes. Enovis lists hyperextension as an intended application and describes hinges that offer flexion\/extension control. It does not guarantee prevention of injury; brace suitability and extension-stop settings depend on your clinical needs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this brace be used on either knee?\u003c\/summary\u003e\u003cp\u003eYes. The 11-0855-x-06000 model is universal for the left or right knee; choose by size only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow many braces do I receive?\u003c\/summary\u003e\u003cp\u003eEach order quantity contains one DonJoy Hinged Air knee brace in your selected size, not a pair. Additional stop kits or accessories are not represented as included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between Hinged Air and DeRoyal Hypercontrol?\u003c\/summary\u003e\u003cp\u003eBoth are intended to provide support where hyperextension is a concern. Hinged Air additionally offers adjustable pneumatic patellar buttresses and a standard 10-degree extension stop. The \u003ca href=\"\/products\/deroyal-hypercontrol-hinged-knee-brace\"\u003eDeRoyal Hypercontrol\u003c\/a\u003e uses a different strapping-based hyperextension-control design. Follow your clinician's recommendation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a post-operative immobilizer?\u003c\/summary\u003e\u003cp\u003eNo. It is a semi-rigid hinged knee support. If your clinician prescribes a particular post-operative range-of-motion or immobilization protocol, review a suitable \u003ca href=\"\/collections\/knee-rom-hinged-brace-post-op\"\u003epost-operative ROM brace\u003c\/a\u003e instead.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch3\u003eRelated Collections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/knee-hyperextension-braces\"\u003eKnee Hyperextension Braces\u003c\/a\u003e — products intended to help limit excess knee extension\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/knee-ligament-tear-sprain\"\u003eKnee Ligament Tear \/ Sprain\u003c\/a\u003e — functional and post-injury knee supports\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/knee-brace\"\u003eKnee Braces\u003c\/a\u003e — browse the full knee support assortment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer sources:\u003c\/strong\u003e \u003ca href=\"https:\/\/enovis.com\/products\/donjoy\/hinged-air-donjoy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eEnovis product information\u003c\/a\u003e and \u003ca href=\"https:\/\/www.donjoystore.com\/donjoy-drytex-hinged-air-knee-brace\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDonJoy sizing details\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eMedical equipment should be selected and fitted in accordance with guidance from a qualified healthcare professional. Manufacturer fulfillment may involve additional processing time. Expedited shipping refers to carrier transit after pickup and does not guarantee a particular arrival date. Review \u003ca href=\"\/policies\/refund-policy\"\u003eOrthoTape's return policy\u003c\/a\u003e before ordering.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"Enovis DJO – Drop Ship (Card Charged)","offers":[{"title":"XS","offer_id":68077136412774,"sku":"11-0855-1-06000","price":199.99,"currency_code":"USD","in_stock":true},{"title":"S","offer_id":68077136445542,"sku":"11-0855-2-06000","price":199.99,"currency_code":"USD","in_stock":true},{"title":"M","offer_id":68077136478310,"sku":"11-0855-3-06000","price":199.99,"currency_code":"USD","in_stock":true},{"title":"L","offer_id":68077136511078,"sku":"11-0855-4-06000","price":199.99,"currency_code":"USD","in_stock":true},{"title":"XL","offer_id":68077136543846,"sku":"11-0855-5-06000","price":199.99,"currency_code":"USD","in_stock":true},{"title":"XXL","offer_id":68077136576614,"sku":"11-0855-6-06000","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0139\/0694\/files\/11-0855-x-06000_hinged_air_right_pop_cut_black_hires.jpg?v=1794585585","url":"https:\/\/orthotape.com\/products\/donjoy-hinged-air-knee-brace-hyperextension-patellar-support","provider":"OrthoTape.com","version":"1.0","type":"link"}