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Fistura -Radiofrequency Treatment Device of Anal Fistulas

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The Fistura® procedure uses radio frequency thermocoagulation to treat anal fistulas utilising the emission of electromagnetic waves at a very high frequency (4MHz), similar to the principle of a microwave. This minimally invasive technique seals the fistula tract without having to open the anal sphincter and is performed in a day-case or the outpatient setting, with minimal discomfort for the patient, allowing an immediate return to daily activities.

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For the Practitioner

  • Quick and efficient minimally invasive procedure
  • Simple to perform
  • Excellent alternative to more invasive techniques
  • Highly effective on patients with Crohn’s disease
  • Minimal post-operative care
  • Safe control of energy, avoiding damage to adjacent tissue or muscles

For the Patient

  • Minimally invasive
  • Quick procedure performed in a day-case or outpatient setting
  • Comparatively little or no pain
  • Minimal post-operative care
  • Immediate return to daily activities

Radiofrequency thermocoagulation

= emission of electromagnetic waves at very high frequency (4MHz), similar to the principle of a microwave

The four phases of thermocoagulation

  1. Ionic agitation
  2. Vaporization and dehydration of the tissue
  3. Thermal destruction
  4. Dehydration of the tissue and Coagulation

The flexibility of the catheter is a key advantage to easily follow the path of the anal fistula – it will allow you to close the fistula along its entire length.

The catheters maximise energy penetration to a high degree, emitting a radial wave within a radius of 3 mm thus avoiding damage to adjacent tissue or muscle.

Depending on the diameter of the anal fistula, a range of different catheter sizes is available (from 6F to 9F).