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相关概念视频

Urinary Bladder01:23

Urinary Bladder

984
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...
984
The Micturition Reflex01:26

The Micturition Reflex

753
Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating...
753
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

54
Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
54
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

138
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...
138
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

33
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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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

29
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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相关实验视频

Updated: Jul 23, 2025

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice
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Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

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一个自主连续膀灌系统

Kai-Ho Fok1,2, Sufyan Shaikh2,3, Ray Jayatunga4

  • 1Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.

Journal of endourology
|July 13, 2023
PubMed
概括
此摘要是机器生成的。

一个新的自主连续膀灌 (CBI) 系统自动化灌袋的更换和监测废水,减少并发症和护理工作量. 这种创新设备提醒临床医生注意出血或阻塞等关键事件.

关键词:
自动化自动化自动化自动化凝块的保留 凝块的保留持续的膀灌持续的膀灌大体出血症是什么?患者安全 患者安全通过尿道进行手术.

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相关实验视频

Last Updated: Jul 23, 2025

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科学领域:

  • 生物医学工程 生物医学工程
  • 医疗器械 医疗器械
  • 泌尿器科 泌尿器科 泌尿器科 泌尿器科

背景情况:

  • 持续膀灌 (CBI) 在手术后和紧急情况下至关重要.
  • 目前的CBI需要手动监测,冒着患者不适和并发症的风险.
  • 不适当的CBI会导致尿路滞留,损伤和长时间住院.

研究的目的:

  • 开发一个自主CBI系统.
  • 为了减少受干扰的灌流量,并监测废水对于关键事件.
  • 为了减少护理工作量,并改善患者的治疗结果.

主要方法:

  • 利用3D打印和微控制器来设计自主CBI设备.
  • 为测试创建了一个体外膀模型.
  • 模拟出血事件使用牛血测试设备响应.

主要成果:

  • 该设备准确地检测到危急出血,导管堵塞和空灌袋.
  • 它自动增加灌出血,并停止/警报堵塞.
  • 该系统根据外流量,节约资源和减少护理任务来定位灌率.

结论:

  • 自主CBI系统满足已识别的需求,改善工作流程,减少护士的认知负担.
  • 预计危急事件的早期检测将降低患者的发病率.
  • 持续的废水监测可能为管理血提供一种新的工具.