OKD-21


OKD-21 – PATELLAR TENDON SUPPORT STRAP FOR JUMPER’S KNEE, TENDINITIS AND SPORTS
Description
JUMPER’S KNEE AND PATELLAR TENDINOPATHY
The patellar tendon is an important component of the knee extensor mechanism. It connects the patella to the tibia and plays a key role in transmitting forces generated during knee extension, walking, running, and jumping. Repetitive overload can lead to microtrauma within the tendon. This problem commonly affects physically active individuals, particularly those participating in sports involving running, jumping, and frequent changes of direction. One of the most common overuse conditions affecting this area is jumper’s knee, also known as patellar tendinopathy. A characteristic symptom is pain, usually located below the patella, which intensifies during physical activity. Inflammation of the patellar tendon may significantly restrict knee mobility, cause anterior knee pain, and increase pressure on the patella. Persistent inflammation increases the risk of patellofemoral impingement and may eventually contribute to chondromalacia patellae.
In such cases, local offloading of the patellar tendon can help improve patellar mobility and reduce inflammation. The OKD-21 patellar tendinopathy knee brace is designed for this purpose. Thanks to its specially designed silicone pad, the brace applies controlled pressure to the tendon area, helping to reduce excessive mechanical load.

Product description:
The OKD-21 knee brace is a short, flexible knee brace designed primarily to offload and stabilize the patellar tendon. It helps maintain the patella in proper alignment within the knee joint, supporting its correct tracking during movement.
The OKD-21 patellar brace features a specially anatomic-shaped silicone pad positioned near the distal attachment of the patellar ligament. During activity, the pad applies localized pressure to the tendon, redistributing the forces acting on it, reducing tension and limiting excessive loading. This helps offload the patellar tendon attachment and reduce pain occurring during movement.
An additional adjustment system allows the level of compression to be individually adapted to the user’s needs. The OKD-21 patellar brace fits securely around the limb without rigidly immobilizing the knee, allowing physiological joint mobility to be maintained. Independent adjustment of the silicone pad pressure makes it possible to customize the level of offloading according to individual requirements.

Thanks to this solution, the OKD-21 knee brace with patellar tendon offloading can be used both during everyday activities and physical exercise.
The patellar tendon support strap for Jumper’s Knee is particularly useful for physically active individuals who experience symptoms while running, performing squats or jumps, climbing stairs, or during other activities that increase the load on the knee extensor mechanism. A silicone application on the inner surface of the brace helps keep it securely in place on the leg, even during intensive physical activity.
The OKD-21 jumper’s knee brace is made of Power Elastic II, a flexible compression material that adapts to the anatomical shape of the limb.
The appropriate elasticity of the material ensures a secure fit around the knee while maintaining freedom of movement. The material provides controlled compression of the soft tissues and keeps the silicone offloading element in the correct position during activity.
The construction of the OKD-21 knee brace with silicone patellar tendon offloading has been specifically designed for use during movement, making the product suitable for providing additional knee support during both everyday activities and training.
Purpose of use:
- Jumper’s knee / patellar tendinopathy,
- patellar tendon overload,
- pain in the area of the patellar ligament,
- enthesopathy at the patellar tendon attachment,
- overload of the knee extensor mechanism,
- pain occurring during physical activity,
- preventive use during sports.
Sizes
| Size | Knee circumference | How to measure |
|---|---|---|
| M | 34 – 38 cm | ![]() |
| L | 38 – 42 cm | |
| XL | 42 – 46 cm | |
| 2XL | 46 – 50 cm |
Fits for both knees.
Total length of the product: M – 2XL: 15 cm
Gallery
Technology
MATERIALS
PowerElastic II™
PowerElastic II™ is a two-layer elastic knit that perfectly adapts to the patient’s body. It stretches in all directions, accurately shaping the limb and reducing muscle vibrations that occur during increased physical activity. The material provides proper compression and optimal fit of the product to the patient’s body, while also helping to maintain a comfortable microclimate next to the skin. Products made from PowerElastic II™ are easy to keep clean — they can be wet-cleaned and hand washed.
TECHNOLOGICAL SYSTEMS
PROTECT BY SILICONE
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PADDINGS
Patella silicone support
A whole series of silicone supports made in various shapes and colors to relieve the patella or to stabilize it. These pads have appropriate shapes and protrusions, thanks to which the orthosis perfectly fulfills its function. These pads have an anatomical shape and are made of silicone with the appropriate hardness and elasticity, guaranteeing the proper therapeutic effect.
Downloads
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USE THEM ACCORDING TO THE INSTRUCTIONS FOR USE OR LABEL.
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Class I medical device in accordance with Regulation (EU) 2017/745 of the European Parliament and of the Council of 5 April 2017. on medical devices.
MANUFACTURER / ADVERTISING ENTITY: REH4MAT Sp. z o.o.









