# Assessment of a Hybrid Pump for Vacuum Suspension of Prosthetic Sockets for Persons With Lower Limb Loss to Characterize the Effects of Added Movement on Socket-reaction Torques

> **NCT04230512** · NA · COMPLETED · sponsor: **VA Office of Research and Development** · enrollment: 12 (actual)

## Conditions studied

- Amputation

## Interventions

- **OTHER:** Pump prototype

## Key facts

- **NCT ID:** NCT04230512
- **Lead sponsor:** VA Office of Research and Development
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-04-04
- **Primary completion:** 2026-03-31
- **Final completion:** 2026-03-31
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2026-05-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04230512

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04230512, "Assessment of a Hybrid Pump for Vacuum Suspension of Prosthetic Sockets for Persons With Lower Limb Loss to Characterize the Effects of Added Movement on Socket-reaction Torques". Retrieved via AI Analytics 2026-07-24 from https://api.ai-analytics.org/clinical/NCT04230512. Licensed CC0.

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