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The primary objective of this clinical follow-up is to analyze data regarding the safety of the UNILEXA passive exoskeleton post-market. The secondary objective is to assess the effectiveness of the device in improving activities of daily living (ADL) through improved mobility, endurance and health-related quality of life (QoL). The aim of this study is to provide real-world evidence to support wider clinical and home use of the exoskeleton. This observational study is designed for 6 participants from a population of individuals with lower limb paralysis. The study will have a duration of 14 weeks. During this period, participants will visit Janske Lazne three times for routine measurements in a biomechanical laboratory, which will be integrated into their usual physiotherapy sessions.
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| Measure | Description | Time Frame |
|---|---|---|
| Incidence of Adverse Events and Adverse Device Effects [Safety Assessment] | Analyze data regarding the safety of the UNILEXA exoskeleton by determining the incidence of adverse events (AEs) and adverse device effects (ADEs), such as falls, skin injuries, and other injuries, over the study period. | From enrollment to the end of observation at 14 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Health-Related Quality of Life (QoL) | To assess improvements in health-related quality of life (QoL) using the WHOQOL-BREF questionnaire, a standardized questionnaire measuring QoL across four domains: physical, psychological, social relationships, and environment. Scale range: 0-100. Interpretation: Higher scores indicate better quality of life. | From enrollment to the end of observation at 14 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Amplitude of Vertical and Lateral Acromion Marker Movement | To assess compensatory movements by analyzing the amplitude of reflective markers placed on the acromion. Parameters measured: Amplitude of vertical and lateral movements. Units of Measure: Millimeters (mm). Data summarization: Mean and standard deviation of marker amplitude across all trials. | From enrollment to the end of observation at 14 weeks |
Inclusion Criteria:
Exclusion Criteria:
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Individuals with lower limb paralysis who have purchased and are actively using the UNILEXA exoskeleton.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Státní léčebné lázně Janské Lázně, státní podnik | Janske Lazne | 542 25 | Czechia |
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| ID | Term |
|---|---|
| D013119 | Spinal Cord Injuries |
| ID | Term |
|---|---|
| D013118 | Spinal Cord Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D020196 | Trauma, Nervous System |
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| User Satisfaction Measured by QUEST 2.0 | To assess user satisfaction with the UNILEXA exoskeleton using the QUEST 2.0 questionnaire. This evaluates satisfaction with the device and associated services. QUEST 2.0: A validated user satisfaction questionnaire consisting of 12 items across two subscales: device satisfaction and service satisfaction. Each item is rated on a 5-point Likert scale (1 = not satisfied at all, 5 = very satisfied). | From enrollment to the end of observation at 14 weeks |
| Time to Complete the 10-Meter Walk Test (10MWT) | To evaluate the time required to walk 10 meters at a comfortable speed. Unit of Measure: Seconds. Interpretation: Lower times indicate better functional mobility. | From enrollment to the end of observation at 14 weeks |
| Time to Complete the Timed Up and Go (TUG) Test | To assess mobility performance by measuring the time required to stand up from a chair, walk 3 meters, turn, and return to sit in the chair. Unit of Measure: Seconds. Interpretation: Lower times indicate better functional mobility. | From enrollment to the end of observation at 14 weeks |
| Level of Assistance Required for Mobility | To evaluate the level of physical assistance required during mobility tasks using a 6-point ordinal scale. Scale range: 0-5, where 0 = no assistance and 5 = full physical assistance required. Interpretation: Lower scores indicate better functional independence. | From enrollment to the end of observation at 14 weeks |
| Rating of Perceived Exertion Measured by Borg RPE | To evaluate the perceived exertion of participants during mobility tasks using the Borg RPE scale. Borg RPE Scale: Measures exertion on a scale from 0-10, where 0 = no exertion and 10 = maximal exertion. | From enrollment to the end of observation at 14 weeks |
| Pain Intensity Measured by Visual Analog Scale (VAS) | To assess the pain intensity experienced by participants during mobility tasks using the Visual Analog Scale (VAS). VAS Scale: Measures pain on a scale from 0-10, where 0 = no pain and 10 = the worst imaginable pain. | From enrollment to the end of observation at 14 weeks |
| Cognitive and Physical Workload Measured by NASA-TLX | To evaluate the cognitive and physical workload experienced by participants during mobility tasks using the NASA Task Load Index (NASA-TLX) questionnaire. NASA-TLX: A multidimensional workload assessment tool with six subscales: mental demand, physical demand, temporal demand, performance, effort, and frustration. Scale range: 0-20 for each subscale. Interpretation: Higher scores indicate greater workload in each category. | From enrollment to the end of observation at 14 weeks |
| Amplitude of Pelvic Angular Movements (Rotation, Hiking, Tilting) | To evaluate biomechanical adaptations by measuring the amplitude of pelvic angular movements in three major planes: Pelvic Rotation: Angular displacement in the transverse plane. Pelvic Hiking: Angular displacement in the coronal plane. Pelvic Tilting: Angular displacement in the sagittal plane. Units of Measure: Degrees (°). Data summarization: Mean and standard deviation of angular displacement for each type of movement (rotation, hiking, tilting) across all trials. | From enrollment to the end of observation at 14 weeks |
| Number of Steps Taken Per Training Session | To evaluate participant progress during the training phase by recording the number of steps taken in each training session. Unit of Measure: Number of steps. Data summarization: Total number of steps per session and average across all sessions. | From enrollment to the end of observation at 14 weeks |
| Total Distance Walked Per Training Session | To assess participant mobility during the training phase by measuring the total distance walked in each training session. Unit of Measure: Meters (m). Data summarization: Total distance walked per session and average across all sessions. | From enrollment to the end of observation at 14 weeks |
| Duration of Use Per Training Session | To assess participant endurance during the training phase by recording the duration of each training session. Unit of Measure: Minutes. Data summarization: Total duration per session and average across all sessions. | From enrollment to the end of observation at 14 weeks |
| Heart Rate During Laboratory Tests | To assess physiological responses during training sessions by measuring participants' heart rates. Unit of Measure: Beats per minute (BPM). Data summarization: Average heart rate during each session and across all sessions. | From enrollment to the end of observation at 14 weeks |
| D014947 | Wounds and Injuries |