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New Microprocessor-Controlled Prosthetic Knee Evaluation

Evaluation of a New Microprocessor-Controlled Prosthetic Knee : A Prospective, Multicentered, Randomized Cross-over Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06017024
Enrollment
18
Registered
2023-08-30
Start date
2023-06-07
Completion date
2024-12-11
Last updated
2024-12-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lower Limb Amputation Above Knee (Injury)

Keywords

Micro-processor controlled knee, Lower Limb prosthesis, Patient-specific Functional Scale

Brief summary

The target of this clinical investigation is to compare the achievement of personal functional goals using a new MPK and current MPK. Subjects will also run functional tests and questionnaires to compare performances and feedback with each prosthetic knee.

Interventions

DEVICEmicroprocessor-controlled knee (MPK) assessment

The subject will wear the microprocessor-controlled knee prosthesis for 4 weeks, and then reply questionnaires and achieve functional tests

Sponsors

Proteor Group
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

* Able to understand and give informed consent * Man or woman, more than 18 y.o * Lower limb amputee KD or AKA, unilateral or bilateral * K3/K4 activity level * Already fitted with FR-reimbursed MPK * Being comfortable in their socket (SCS\>=5)

Exclusion criteria

* Protected person * Pregnant or breast feeding lady * Person having pathologies affecting their sensitivity * Using walking aids * Weighting more than 136kg * Insufficient hip joint or pelvic voluntary muscle control * Insufficient cognitive ability to charge the knee and care for the device

Design outcomes

Primary

MeasureTime frameDescription
Personal goal achievementtest sessions 1 and 2 (20 minutes)Patient-specific Functional Scale - PSFS - \[0-10\], the higher the better

Secondary

MeasureTime frameDescription
Functional walking test - fast walking speedtest sessions 1 and 2 (1 minute)10-meter walk test (10mWT)
Functional test - ability to walk downhilltest sessions 1 and 2 (3 minutes)Hill assessment index (HAI) \[0-11\], the higher the better
Functional test - ability to walk downstairstest sessions 1 and 2 (3 minutes)Stairs assessment index (SAI) \[0-13\], the higher the better
Functional walking test - mobility capacitytest sessions 1 and 2 (8 minutes)6-minute walk test (6MWT)
Questionnaire to assess satisfactiontest sessions 1 and 2 (5 minutes)Quebec User Evaluation of Satisfaction with assistive Technology (QUEST = ESAT in French); the higher the better
Questionnaires to assess quality of lifetest sessions 1 and 2 (5 minutes)Short Form (36) health survey (SF-36); the higher the better
Prosthesis Evaluation Questionnairetest sessions 1 and 2 (29 minutes)PEQ, 8 sub-scales \[0-100\], the higher the better
Questionnaire to assess comfort in the sockettest sessions 1 and 2 (1 minute)Socket comfort score (SCS) \[0-10\], the higher the better

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026