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相关概念视频

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

Anatomy of the Genitourinary System II: Bladder and Urethra

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...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

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...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

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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相关实验视频

Updated: Jun 27, 2026

An Orthotopic Bladder Tumor Model and the Evaluation of Intravesical saRNA Treatment
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An Orthotopic Bladder Tumor Model and the Evaluation of Intravesical saRNA Treatment

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一种用于估计膀体积的新三点定位方法.

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
概括
此摘要是机器生成的。

一种新的三点定位方法可以准确地测量膀体积,而不需要复杂的超声波成像. 这种技术为患有泌尿系统疾病的患者提供了一种更快,更有效的方法来评估泌尿系统的健康状况.

关键词:
膀体积估计 膀体积估计三点定位方法的方法.三元元超声波探头的三元超声波探头.

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科学领域:

  • 生物医学工程 生物医学工程
  • 医疗成像医学成像
  • 泌尿器科 泌尿器科 泌尿器科 泌尿器科

背景情况:

  • 精确的膀体积测量对于诊断和治疗泌尿系统疾病至关重要.
  • 超声波成像是标准的,但面临着长时间测量和低空间分辨率等挑战.
  • 现有的方法需要复杂的成像,阻碍了效率.

研究的目的:

  • 引入一种新的三点定位方法来计算膀体积.
  • 为此方法开发了一种专门的三元超声波探头.
  • 为了提高膀体积测量的效率和准确性.

主要方法:

  • 开发了一种新的三点定位技术,消除了复杂超声波成像的需要.
  • 一个三元超声波探头被设计用于向三个方向发射和接收超声波.
  • 希尔伯特转换算法被用来提取超声波信号封面,以提高测量效率.

主要成果:

  • 膀体积估计在5秒内实现.
  • 该方法显示相对错误率低于15%.
  • 这种新的方法显著提高了测量效率.

结论:

  • 拟议的三点定位方法为膀体积测量提供了有效和高效的方法.
  • 这种技术为患有泌尿病的患者提供了一个有前途的替代方案.
  • 开发的方法克服了用于膀体积评估的传统超声波成像的局限性.