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Fistura® RF catheters

The innovative Fistura® procedure is a minimally invasive, sphincter-sparing method of treating anal fistulae using radiofrequency catheter ablation. Highly flexible Fistura® catheters help users follow the fistula tract easily, sealing it along its entire length in a matter of minutes. Markings along the catheter serve as a convenient visual guide: simply withdraw the catheter by one marking every 12 seconds. Moreover, the catheter tip has a thermal effect radius of just 3 mm, which prevents damage to the surrounding tissue.

Fistura® catheters are available in four sizes, depending on the diameter of the anal fistula to be ablated:

Size (French)6F7F8F9F
Catheter diameter2 mm2.33 mm2.66 mm3 mm
Catheter weight40 g 41 g42 g43 g

Additional technical specifications

Catheter length: 350 mm
Markings: every 5 mm
Insulating material: PFTE
Tip length: 4 mm
Tip material: AISI 316L stainless steel
Extension cable length: 2.5 m
Medical device class: IIb

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Related treatments

Fistura® | RFA for fistula-in-ano

The flexible Fistura® catheters are guided into the fistula and then gradually withdrawn, sealing the tract a few millimetres at a time using radiofrequency thermocoagulation.