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相关概念视频

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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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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In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
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相关实验视频

Updated: Jul 18, 2025

Generation and Quantitative Characterization of Functional and Polarized Biliary Epithelial Cysts
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可吸收的囊刷子可以吸收.

Filipe Marques1, Wouter van der Wijngaart2, Niclas Roxhed3,4

  • 1KTH Royal Institute of Technology, Micro and Nanosystems, Malvinas väg 10, 100 44, Stockholm, Sweden.

Biomedical microdevices
|August 23, 2023
PubMed
概括
此摘要是机器生成的。

这项研究探讨了可以吸收的材料,以便在难以到达的区域更安全地刷细胞. PDS II刷显示出最高的效率,通过微创活检改善了早期疾病检测.

关键词:
可吸收的材料可以吸收.癌症 癌症 癌症 癌症细胞活检细胞活检蜂刷子 蜂刷子 蜂刷子囊 囊是一种囊.诊断 诊断 诊断 诊断内镜超声波检查结果精细的针吸收方式环形刷子 环形刷子 环形刷子

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科学领域:

  • 生物材料科学 生物材料科学
  • 最少侵入性的手术
  • 诊断细胞学 诊断细胞学

背景情况:

  • 细胞刷对于低侵入性样本采集至关重要,有助于早期发现,预防和诊断疾病.
  • 提高细胞刷技术的安全性和有效性,特别是对于难以到达的解剖部位,是一个持续的挑战.
  • 可吸收材料有可能提高医疗器械的安全性,减少对二次去除程序的需求.

研究的目的:

  • 为了评估由各种可吸收接材料制成的细胞刷的有效性,用于最少侵入性样本采集.
  • 在人工囊模型中评估这些新型刷子的性能,模拟难以到达的位置.
  • 为了确定与刷子效率相关的材料特性,以优化未来的设备设计.

主要方法:

  • 循环刷是由可吸收的接材料制成的:Chirlac,Chirasorb,Monocryl,PDS II,Vicryl Rapid,Glycolon和Catgut. 这些材料包括:
  • 在人工囊模型中,与精细针吸入一起测试了刷子疗效.
  • 关键的性能指标包括刷牙效率,曲刚性和在针压下塑料变形.

主要成果:

  • PDS II 刷子表现出最高的刷效率,其次是 Monocryl 和 Catgut.
  • 高效的刷子表现出较高的曲刚性,而低效的刷子则表现出较高的曲刚性.
  • 刷子的效率与细针诱导的塑料变形程度相反相关.

结论:

  • 可吸收的接材料,特别是PDS II,Monocryl和Catgut,可以有效地用于创建高效的细胞刷.
  • 材料性能,如曲刚性和抗塑性变形的耐受性,对于最佳的刷子性能至关重要.
  • 这项研究为开发更安全,更有效的细胞活检工具铺平了道路,用于访问具有挑战性的解剖位置.