Traction Polypectomy Snare

Specially serrated snare for better endoscopic tissue acquisition To Traction Polypectomy Snare


+49 (0) 7071 96528 160

  • Description
  • Technical data
  • Application
  • Media

Use of the Traction Polypectomy Snare

Instrument for flexible endoscopy for grasping and removing tissue in the gastrointestinal tract

The Traction Polypectomy Snare

Ovesco’s Traction Polypectomy Snare is a multifilament, serrated snare for endoscopic tissue acquisition procedures such as polypectomy, endoscopic mucosa resection (EMR) or similar techniques. It is a monopolar high-frequency instrument.

Enhanced effectiveness of snare resection:

  • 30% more tissue capture per resection*
  • Solid grip even on flat adenomas
  • Easy re-positioning thanks to easy opening
  • Reduced number of specimens (less piece-meal)
  • Histo-pathological assessment facilitated

*Proßt RL, Baur FE. A new serrated snare for improved tissue capture during endoscopic snare resection. Minim Invasive Ther Allied Technol. 2010; 19:2; 100-4

Dimensions and specifications

Sliding handle for opening (A1) and closing (A2) the snare
HF (3-mm) connector (B)
Flexible shaft (C)Length: 220 cm
Snare with spikes for grasping and removing polyps (D)Diameter: 25 mm
Appropriate working channel diameterfrom 2.8 mm
Items per package10
Reference number200.55.10

Application of the Traction Polypectomy Snare


Injection into the submucosa

Positioning of snare and OTSC® Anchor or FTRD® grasper

Elevation of the lesion and snare closure

Push-back* of the OTSC® Anchor or FTRD® Grasper while snare stays closed and subsequent resection

*Note: Anchor needles must not be captured with the snare during the push-back move. If in doubt, the anchor needles can be closed to avoid a short circuit.


*Source: Prof. K. Caca, Dr. B. Meier, Hospital Ludwigsburg, Germany [In-vivo model]

EMR for flat lesions

A new serrated snare for improved tissue capture during endoscopic snare resection. Proßt RL, Baur FE; Minim Invasive Ther Allied Technol. 2010; 19:2; 100-4

Excerpt from the summary:

„In this experimental study a new snare with special teeth (Traction Polypectomy Snare) attached to the distal part of the wire loop was evaluated and compared to a conventional snare. 70 artificial sessile tumors were created in a standardized manner in a porcine ex vivo colon. 35 flat polyps were resected with the new serrated snare, whilst the other 35 polyps were removed using an identical snare without teeth. The weight measurement of the resected polyps showed that using the new serrated snare 31% more tissue could be removed with a single snare resection in comparison with the conventional snare without teeth (mean 454 mg vs. 347 mg, ±202 mg vs. ±165 mg; p = 0.017). The teeth obviously increased the effectiveness of snare resection by avoiding the accidental loss of entrapped tissue from the loop. The new snare will facilitate the removal of flat polyps and reduce the number of specimens during piecemeal resection to a minimum, allowing a better histopathological assessment.”

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