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UNILEXA exoskeleton for rehab and clinics by Mebster

The passive exoskeleton allows people with partial or complete loss of function of the lower limbs to walk again at a fraction of the cost of existing solutions

Your three tangible benefits:

  • Very affordable
  • Lightweight construction
  • Walking stable

Functions and advantages

Everything you need to know about the features and benefits of the UNILEXA exoskeleton for rehab and clinics by Mebster need to know.

UNILEXA is a modular exoskeleton platform solution with interchangeable parts that can be added and configured in different ways to suit a wider group of customers. It is a purely passive mechanical approach, without actuators, sensors or autonomous control systems. Instead, the system uses the body's own small shifts in weight and a unique combination of gravity-controlled and elastic mechanisms to assist walking while supporting the user's body weight. The core system uses a unilateral passive exoskeleton with locked knees and feet that are always close to the ground. This type of walking is stable in the anterior-posterior direction. In addition, a special medial joint design provides high lateral stability. MEBSTER's unique system of interconnected joints provides more stable and efficient walking.


UNILateral Exoskeleton for Assisted Walking (UNILEXA), developed for people with complete or partial loss of lower limb function, especially paraplegics, is the result of many years of research and development in the field of biomechanics and biorobotics.


The term unilateral refers to a one-sided attachment of the device to the lower limbs, with the medial support determining the position from the inside of the limbs. This setting ensures optimal ease of use and reduces the risk of edema, skin problems and other complications associated with the use of bilateral orthoses. In addition, the medial design allows easy donning and doffing of the orthosis directly from the wheelchair.


The PRIME version is intended for use in medical centers and hospitals. The device consists of interchangeable and adjustable parts that allow customization for each patient based on their anthropometry. By adjusting the height of the device and the mutual position of the orthotic joints to the appropriate anatomical landmarks, each patient can be optimally equipped to achieve better performance and reach their full potential. The adjustable and interchangeable orthotic sleeves provide an optimal fit to the user's body for greater comfort. Although UNILEXA Prime is not as custom-made as the made-to-measure Home version, its features make it reliable and comfortable, providing a positive user experience.

  • Especially traumatic spinal cord injuries
  • Traumatic brain injuries
  • Tumors
  • ICP patients with polio and post-polio syndrome (see spasticity at fixed rate after MAS).
  • Myopathy
  • Spina bifida (MMC)
  • Multiple sclerosis
  • Other unspecified cases Users with partial or complete paralysis or limited function of lower limbs only after approval by a physician
  • Spasticity (more than 2 according to MAS)
  • Pressure sores and pressure ulcers in places that clamp the device to the user's body
  • Autonomic dysreflexia
  • Instability of the spine
  • Untreated deep vein thrombosis
  • Undertreated limb or pelvic fractures
  • Advanced osteoporosis with deformities of the lower limbs
  • Complete quadriplegia
  • Lack of ability to control upper limbs (ASIA grade 3 or less).
  • Balance disorders
  • Severe mental retardation
  • Severe dizziness
  • Heart problems
  • Heterotopic ossification
  • Orthostatic hypotension




Thanks to its sophisticated, patented design and unique joint connection system, UNILEXA ensures a more stable and efficient gait that consumes less energy compared to other mechanical orthoses and exoskeletons.






The exoskeleton itself is a modular system with two newly developed ankle joints and a medial hip joint connected to form a functional unit. Individual joints can be easily replaced during inspection and serviced as needed.





Verticalization, early mobilization and ambulation after an accident can prevent many secondary health problems, such as:


  • Posture improvement
  • Breathing improvement
  • Reduction of neuropathic pain
  • Reduction of the risk of obesity
  • Prevention of digestive problems
  • Prevention of urinary tract infections
  • Reduction of anxiety and depression
  • Reduction of the risk of heart disease
  • Prevention of pressure ulcers and skin problems
  • Reduction of bone loss, osteoporosis and fractures.
  • Prevention of infections of the digestive tract and other organs.
  • Reduce spasticity and muscle atrophy by maintaining partial function of the lower limbs.

FAQ - Frequently asked questions

UNILEXA PRIME is specifically designed for healthcare professionals to accommodate a wide range of patient anthropometries thanks to the adjustable tibia and femur profiles. UNILEXA HOME is configured specifically for you, with profile lengths perfectly matched to your lower extremity parameters. In addition, there are optional customization options ranging from color choices to shoe integratability and premium material options.

UNILEXA is suitable for patients weighing less than 110 kg. Please note that the HOME version is suitable for other weight classes. For more information on pediatric fitting, please contact us today.

UNILEXA is suitable for patients with a body height between 160 and 190 cm. Note that the HOME version can cover additional size ranges. For more information on pediatric fitting, contact us today.

UNILEXA weighs just under 8 kg and is therefore easy to operate and transport.

UNILEXA PRIME is an adjustable device with interchangeable fittings for a variety of user anthropometers for medical facilities, including hospitals and rehabilitation centers. UNILEXA HOME is customized to best fit the dimensions of each user, maximizing comfort and efficiency. To give the UNILEXA HOME a personal touch, different color options, an integrated shoe and various high-quality materials are available to suit your needs.

Yes, once the user gets used to UNILEXA, donning and doffing usually takes only a few minutes.

This depends on each user. The donning and doffing usually takes only a few minutes.

Please refrain from climbing stairs for safety reasons.

Yes, but only in the PRIME version. UNILEXA PRIME has been specifically designed to adapt to a wide range of individual anthropometries, due to the adjustable cages and cuffs, the frame and the interchangeability of the components in the different sizes.

It depends on the individual, but many users understand the mechanism within the first training session.

Yes, UNILEXA is designed to sit in chairs, wheelchairs and even in the car.

Yes, supervised training is required at the beginning of UNILEXA use to avoid injury.

UNILEXA PRIME is designed for monitoring, as it is mainly intended for patients in rehabilitation and medical centers. As you progress, you can use UNILEXA HOME, where the presence of a second person is not required, but is recommended in the initial phase after acquiring the device.

UNILEXA is specifically designed for use on flat surfaces and should therefore always be used indoors to avoid injury or malfunction.

The warranty program covers all defects in replaceable parts and free repairs unless caused by willful misconduct. Contact us (or your dealer) today for more information.

Yes, as long as the user falls below a score of 2 on the Modified Ashworths Scale (MAS), they can use the device.

It depends on the anthropometry of the user and the severity of the disease.

It is recommended not to get the frame wet, especially the medial hip joint. The orthotic fitting can get wet together with the shoes, but care should be taken to wipe it with a dry cloth afterwards.

Yes, both the transfemoral and transtibial orthoses can be washed with a standard household disinfectant or a damp cloth with soap. In addition, the padding can be removed and washed in the washing machine (at temperatures up to 40° C).

Do you have any questions?

Can't find the answer to your question? Contact us.

Company information

Facts & Figures

The company was founded in 2014 by Dr. Miachel Glober.

Company address

  • MEBSTER s.r.o.
  • Na Strži 1702/65
  • Nusle, 140 00
  • Praha 4
  • CZ

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