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Related Experiment Videos

Modulith SL20--development and clinical experience

K U Köhrmann1, T O Henkel, D Potempa

  • 1Dept. of Urology, Mannheim Hospital, School of Medicine, University of Heidelberg, Germany.

Archivos Espanoles De Urologia
|January 1, 1993
PubMed
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A new lithotripter offers effective, anesthesia-free treatment for kidney and bile duct stones. High disintegration rates and reduced treatment times were achieved, with 88% of patients becoming stone-free post-procedure.

Area of Science:

  • Biomedical Engineering
  • Urology
  • Medical Devices

Background:

  • Extracorporeal shock wave lithotripsy (ESWL) is a common procedure for treating kidney stones.
  • Advancements in lithotripter technology aim to improve efficacy, reduce patient discomfort, and expand treatment applications.

Purpose of the Study:

  • To evaluate the efficacy and safety of a third-generation lithotripter (Modulith SL) for treating kidney and bile duct stones.
  • To assess the device's disintegrative capacity, localization accuracy, and impact on patient outcomes.

Main Methods:

  • Development of a third-generation lithotripter with electromagnetic shock wave generation, combined sonographic and fluoroscopic localization, and a multifunctional table.
  • Preclinical in-vitro stone model trials to assess disintegrative capacity.

Related Experiment Videos

  • In-vivo animal studies to evaluate kidney trauma.
  • Clinical evaluation of the Modulith SL across three phases, analyzing treatment parameters and outcomes.

    • Main Results:

    • Superior disintegrative capacity demonstrated in preclinical trials.
    • Kidney trauma in animal studies was comparable to existing lithotripters.
    • Clinical evaluation showed a 94% disintegration rate for kidney stones and 88% stone-free rate at follow-up.
    • Effective treatment of gallbladder stones (82%) and endoscopically non-extractable bile duct stones.

    Conclusions:

    • The third-generation lithotripter is highly effective and safe for treating kidney stones with anesthesia-free procedures.
    • The device demonstrates significant efficacy in treating bile duct stones, offering an alternative to endoscopic methods.
    • Combined sonographic and fluoroscopic localization enhances treatment precision and applicability.