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Related Concept Videos

Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

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The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
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Imaging Studies VI: Voiding Cystourethrography and Cystography

Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...

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A Novel Three-Point Localization Method for Bladder Volume Estimation.

Junru Yuan1, Mingke Shen1, Tao Zhang1

  • 1School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China.

Sensors (Basel, Switzerland)
|March 28, 2024
PubMed
Summary
This summary is machine-generated.

A new three-point localization method accurately measures bladder volume without complex ultrasound imaging. This technique offers a faster, more efficient way to assess urinary system health for patients with urological conditions.

Keywords:
bladder volume estimationthree-point localization methodtriple-element ultrasound probe

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Urology

Background:

  • Accurate bladder volume measurement is vital for diagnosing and treating urinary system diseases.
  • Ultrasound imaging is the standard, but faces challenges like long measurement times and low spatial resolution.
  • Existing methods require complex imaging, hindering efficiency.

Purpose of the Study:

  • To introduce a novel three-point localization method for bladder volume calculation.
  • To develop a specialized triple-element ultrasound probe for this method.
  • To improve the efficiency and accuracy of bladder volume measurements.

Main Methods:

  • A novel three-point localization technique was developed, eliminating the need for complex ultrasound imaging.
  • A triple-element ultrasound probe was designed to transmit and receive ultrasound waves in three directions.
  • The Hilbert Transform algorithm was used to extract the ultrasound signal envelope for enhanced measurement efficiency.

Main Results:

  • Bladder volume estimation was achieved within 5 seconds.
  • The method demonstrated a relative error rate of less than 15%.
  • The novel approach significantly enhances measurement efficiency.

Conclusions:

  • The proposed three-point localization method provides an effective and efficient approach for bladder volume measurement.
  • This technique offers a promising alternative for patients with urological conditions.
  • The developed method overcomes limitations of traditional ultrasound imaging for bladder volume assessment.