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Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents

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Published on: June 6, 2018

Wearable Soft Microtube Sensors for Quantitative Home-Based Erectile Dysfunction Monitoring.

Chee Ming Noel Sng¹, Li Min Camillus Wee¹, Kum Cheong Tang¹

¹Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore 119276, Singapore.

Sensors (Basel, Switzerland)

|December 11, 2022

Summary

A new wearable device, EDSEN, offers quantitative penile health monitoring at home. It accurately measures penile circumference and rigidity, aiding in the detection of erectile dysfunction (ED).

Keywords:

Young’s modulus axial rigidity buckling force erectile dysfunction microtubular sensor nocturnal penile tumescence tumescence

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Last Updated: Jun 18, 2026

Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents

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Published on: June 6, 2018

Home-Based Monitor for Gait and Activity Analysis

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Published on: August 8, 2019

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment

Published on: July 22, 2022

Area of Science:

Biomedical Engineering
Urology
Materials Science

Background:

Erectile dysfunction (ED) diagnosis traditionally relies on monitoring penile rigidity and tumescence during nocturnal penile tumescence (NPT).
Current methods may lack privacy and quantitative accuracy for home-based monitoring.
Developing accessible, quantitative tools is crucial for effective ED management.

Purpose of the Study:

To introduce the Erectile Dysfunction SENsor (EDSEN), a novel wearable device for home-based, quantitative penile health monitoring.
To validate the efficacy of stretchable microtubular sensing technology for measuring penile tumescence and rigidity.
To establish criteria for satisfactory sexual intercourse based on penile biomechanical properties.

Main Methods:

Fabrication of conical penile shaft models using polydimethylsiloxane (PDMS) with varying hardness.
Development of T-sensors (for tumescence) and R-sensors (for rigidity) integrated into a wearable device (EDSEN).
Generation of a theoretical buckling force chart to determine optimal penile biomechanical properties (Young's modulus of 179 kPa) for sexual intercourse.

Main Results:

EDSEN accurately measured penile shaft circumference using T-sensors and rigidity using R-sensors in fabricated penile models.
The study determined that an average erect penile shaft requires a Young's modulus of at least 179 kPa for optimal buckling force.
The wearable device demonstrated reliable performance in quantifying key penile health parameters.

Conclusions:

EDSEN offers a private, quantitative, and home-based solution for penile health monitoring.
The device utilizes stretchable microtubular sensing technology to accurately assess tumescence and rigidity.
This technology has the potential to significantly improve the detection and management of erectile dysfunction.