Related Experiment Video
Updated: Jan 28, 2026
07:02
Stiffness Measurement of Soft Silicone Substrates for Mechanobiology Studies Using a Widefield Fluorescence Microscope
Published on: July 3, 2018
7.3K
A Wearable Ultrasound Sensing System for Soft Tissue Stiffness Detection: A Feasibility Study
Guangshuai Bao1, Tongyi Xu1, Xiaoyu Li1
1Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
Biosensors
|January 27, 2026
Summary
This study developed a wearable ultrasonic system for objective tissue stiffness measurement. It uses time-of-flight differences to monitor stiffness in real-time, aiding clinical decisions.
Area of Science:
- Biomedical Engineering
- Medical Devices
- Ultrasound Technology
Background:
- Manual palpation for soft tissue stiffness assessment is subjective and unreliable.
- Objective methods are needed for accurate pathological tissue stiffness evaluation.
- Existing techniques may lack real-time, non-invasive monitoring capabilities.
Purpose of the Study:
- To develop an objective method for measuring tissue stiffness using ultrasound.
- To create a wearable sensing system for real-time tissue stiffness monitoring.
- To establish a quantitative framework supporting clinical diagnostics.
Main Methods:
- Utilized ultrasonic transducers to measure time-of-flight (ToF) difference in ultrasound signals.
- Developed a correlation model linking ToF difference to tissue stiffness.
- Integrated ultrasonic transducers into a wearable system with pneumatic pressure control.
Main Results:
- Successfully established a correlation model between ToF difference and tissue stiffness.
- Demonstrated real-time monitoring of stiffness variations in human muscles (biceps brachii, thigh, forearm) and simulated lesions.
- Validated the system's ability to detect stiffness changes during muscle activity and simulated pathologies.
Conclusions:
- The developed wearable ultrasonic system provides a quantitative and objective framework for tissue stiffness monitoring.
- This technology offers potential for improved clinical diagnostic decision-making.
- The system enables non-invasive, real-time assessment of tissue mechanical properties.
Related Concept Videos
02:57The Sense of Self: Reflected Self-Appraisal and Social Comparison
55.9K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
55.9K
01:26Introduction to Special Senses
7.5K
Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...
7.5K
01:27Tactile and Chemical Senses
785
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
785
01:25Ultrasound II: Endoscopic Ultrasound and FibroScan
643
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Endoscopic Ultrasound (EUS):
643
01:28Gene Regulation in Microbial Communities: Quorum Sensing
569
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
569
01:20Ultrasound I: Abdominal Ultrasonography
1.5K
Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
1.5K