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Related Concept Videos

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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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Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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Related Experiment Video

Updated: Apr 23, 2026

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
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[Digitalization study of sonotubometry device].

Yang Li1, Shu Chen1, Li Xu1

  • 1Department of Otorhinolaryngology Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China.

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Chinese Journal of Otorhinolaryngology Head and Neck Surgery
|September 23, 2014
PubMed
Summary

A new low-cost digitalized sonotubometry device was developed for Eustachian tube function assessment. Dry-swallowing demonstrated a higher Eustachian tube opening frequency compared to wet-swallowing.

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Area of Science:

  • Otolaryngology
  • Biomedical Engineering
  • Medical Devices

Context:

  • Sonotubometry is a widely used, objective method for assessing Eustachian tube function.
  • Existing devices can be costly, limiting accessibility in some regions.
  • Development of affordable, digitalized diagnostic tools is crucial for broader clinical application.

Purpose:

  • To develop a low-cost, digitalized sonotubometry device.
  • To evaluate the electroacoustic performance and diagnostic consistency of the developed device.
  • To compare Eustachian tube opening frequencies during dry-swallowing and wet-swallowing.

Summary:

  • A digitalized sonotubometry device was successfully developed using a personal computer and standard audio accessories.
  • The device, CHN-08, demonstrated acceptable electroacoustic performance and moderate consistency with a standard device (JK-04A).
  • Eustachian tube opening frequency was significantly lower during wet-swallowing than dry-swallowing across tested configurations.

Impact:

  • Provides a more accessible, low-cost option for Eustachian tube function assessment.
  • Contributes to understanding the physiological differences in Eustachian tube opening during swallowing.
  • Potential to improve diagnostic capabilities in audiology and otolaryngology settings globally.