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<p>Artificial ureters made of porous polytetrafluoroethylene, fabricated via electroforming, are promising implants intended for the surgical treatment of ureteral stricture. The quantity and rate of encrustation within the ureter lumen during urine circulation are among the key parameters determining the clinical applicability of these ureters. This study presents the results of an investigation into the influence of the ureter wall structure on encrustation dynamics in the lumen over a four-week period of urine circulation. It is demonstrated that the quantity and rate of encrustation in the ureter lumen, despite the identical chemical composition of the wall, are determined by its structural characteristics, such as surface porosity, pore size, and fiber diameter.</p>

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Electrospun polytetrafluoroethylene artificial ureters: the influence of inner wall structure on the encrustation dynamics

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • E. Yu. Mel’nik,
  • G. A. Martynov,
  • M. S. Lozovskii,
  • V. S. Boshchenko,
  • D. A. Maspanov,
  • A. G. Golubovskaya,
  • V. M. Buznik,
  • E. N. Bol’basov

摘要

Artificial ureters made of porous polytetrafluoroethylene, fabricated via electroforming, are promising implants intended for the surgical treatment of ureteral stricture. The quantity and rate of encrustation within the ureter lumen during urine circulation are among the key parameters determining the clinical applicability of these ureters. This study presents the results of an investigation into the influence of the ureter wall structure on encrustation dynamics in the lumen over a four-week period of urine circulation. It is demonstrated that the quantity and rate of encrustation in the ureter lumen, despite the identical chemical composition of the wall, are determined by its structural characteristics, such as surface porosity, pore size, and fiber diameter.