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Radio-frequency (RF) Bladder Monitor
Sponsor: McGill University Health Centre/Research Institute of the McGill University Health Centre
Summary
The goal of this pilot feasibility study is to evaluate a wearable microwave (MW)-based bladder monitoring system in adult volunteers and those with spinal cord injury (SCI) who use self-catheterization for bladder management. The study aims to learn whether the device can monitor bladder filling and estimate bladder volume non-invasively. The main questions the study aims to answer are: 1. Can the MW-based monitoring system distinguish between non-full and full bladder states? 2. How accurately do MW-based bladder volume estimates agree with ultrasound bladder scans and voided urine volumes? 3. Is the wearable monitoring system feasible, comfortable, and usable for individuals with SCI? Participants will: 1. Complete questionnaires about bladder symptoms and quality of life 2. Wear up to six non-invasive MW sensors on the lower pelvic region 3. Undergo two bladder filling and voiding cycles during the study visit 4. Have MW measurements collected approximately every five minutes during bladder filling 5. Undergo ultrasound bladder scans and bladder volume measurements for comparison 6. Complete a post-study usability and comfort survey
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2026-07-01
Completion Date
2027-03-31
Last Updated
2026-06-10
Healthy Volunteers
Yes
Conditions
Interventions
Wearable microwave Bladder Monitoring System
The investigational device is a non-invasive wearable microwave (MW) bladder monitoring system designed to monitor bladder filling and estimate bladder volume. The system uses low-power radio-frequency (RF) signals and externally applied sensors positioned over the lower pelvic region to collect electromagnetic measurements associated with bladder filling. Measurements will be collected approximately every five minutes during natural bladder filling cycles. The device is intended for investigational use only and does not provide therapeutic intervention or automated clinical decision-making.
Locations (1)
Centre for Innovative Medicine (CIM) - McGill University Health Centre (MUHC)
Montreal, Quebec, Canada