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Related Experiment Videos

Transurethral laser surgery with a conventional modified resectoscope

A Tasca1, S Guazzieri, W Cecchetti

  • 1Institute of Urology, University of Padova, Italy.

European Urology
|January 1, 1995
PubMed
Summary

A novel laser resectoscope with a reusable silica fiber effectively treated benign prostatic hyperplasia and bladder tumors. This innovative approach offers a cost-effective and comfortable alternative to traditional endoscopic treatments for urologists.

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Area of Science:

  • Urology
  • Medical Devices
  • Laser Technology

Background:

  • Benign prostatic hyperplasia (BPH) and bladder tumors are common urological conditions.
  • Traditional transurethral resection (TUR) has limitations in treating these conditions.
  • Nd: YAG laser treatment offers an alternative but can be costly and complex.

Purpose of the Study:

  • To evaluate a modified transurethral resectoscope with a new side fiber for treating prostate and bladder conditions.
  • To assess the efficacy and safety of this laser resectoscope in clinical settings.
  • To determine the cost-effectiveness and user comfort of the new device.

Main Methods:

  • A modified transurethral resectoscope with a pure silica side fiber (1,800-microns) was used.
  • In vitro studies on prostate tissue demonstrated sterilization and tissue vaporization/explosion at different power settings.

Related Experiment Videos

  • Clinical application in 12 patients with BPH, bladder tumors, and prostate cancer was performed, with some undergoing laser only and others combined TUR and laser treatment.

    • Main Results:

    • In vitro: 20W for 2 min achieved 12 mm penetration; 60W for 1 min caused vaporization and 15 mm penetration.
    • Clinical: Successful treatment of 6 BPH cases, 4 bleeding bladder tumors, and 2 prostate cancer cases.
    • The reusable side fiber (4-5 treatments) demonstrated cost-effectiveness.

    Conclusions:

    • The new laser resectoscope is effective for treating BPH, bladder tumors, and prostate cancer.
    • The device offers a cost-effective and user-friendly alternative to traditional endoscopic procedures.
    • This technology enhances the comfort and accessibility of laser treatment for urologists.