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Related Concept Videos

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

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Proof-of-Concept of Microwave-Based Bladder State Detection Using Realistic Pelvic Models.

Ali Farshkaran1, Andrew Fry1, Alex Raterink1,2

  • 1Department of Electrical and Computer EngineeringThe University of Texas at Austin Austin TX 78712 USA.

IEEE Open Journal of Engineering in Medicine and Biology
|March 6, 2024
PubMed
Summary

Microwave technology shows promise for non-invasively monitoring bladder volume in individuals with urinary incontinence (UI). This low-cost tool could proactively support UI management by accurately detecting bladder fullness.

Keywords:
Bladder statemicrowave detectionpelvic region modelurinary incontinence

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Area of Science:

  • Biomedical Engineering
  • Medical Physics

Background:

  • Urinary incontinence (UI) significantly impacts quality of life, necessitating improved management tools.
  • Current monitoring methods for UI can be invasive or lack real-time feedback.
  • Microwave technology offers a potential non-invasive approach for bladder volume monitoring.

Purpose of the Study:

  • To investigate the feasibility of using microwave measurements for bladder volume monitoring.
  • To develop and test realistic computational and experimental models of the pelvic region for microwave bladder monitoring.
  • To assess the effectiveness of microwave technology in detecting bladder fullness and state.

Main Methods:

  • Utilized realistic computational and experimental models of male and female pelvic regions with anatomically accurate tissues.
  • Examined both reflection and transmission-based microwave parameters for bladder fullness detection.
  • Investigated the influence of urine permittivity on microwave measurements.
  • Reconstructed differential radar images to demonstrate bladder state detection.

Main Results:

  • Demonstrated the ability to detect bladder fullness using microwave reflection and transmission parameters.
  • Quantified the effect of urine permittivity on microwave signal characteristics.
  • Successfully reconstructed differential radar images, proving the concept of bladder state detection.
  • Validated the potential of microwave measurements in realistic pelvic models.

Conclusions:

  • Microwave measurements show significant potential for accurate and non-invasive bladder state monitoring.
  • This technology could provide a proactive, low-cost solution for individuals with urinary incontinence.
  • Further development could lead to practical devices for real-time bladder volume assessment.