stentfix OTSC® System

stentfix OTSC auf diagnostischem GastroskopLogo stentfix OTSC

The innovative solution for stent fixation in the digestive tract To stentfix OTSC® System
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Description

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Use of the stentfix OTSC® System Set

The stentfix OTSC® System is the innovative solution for stent fixation in the digestive tract. It is a specially designed OTSC® System and labeled for the fixation of self-expandable metallic stents (SEMS).

The round design of the stentfix OTSC® clip adapts to the gastrointestinal anatomy. Due to the modified cap shape, stentfix OTSC® can easily be aligned to the stent opening for optimal stent mesh and tissue capture by the clip.

The compact design of the stentfix OTSC® System also allows the passage through a stent (from Ø 18 mm), therefore, fixation is possible either on the proximal or distal end.

The stentfix OTSC®

The stentfix OTSC® System Set consists of a specially designed application cap with a mounted clip, thread, thread retriever and a hand wheel for clip release.

The stentfix OTSC® clip is delivered by means of an application cap mounted to the tip of diagnostic gastroscopes. The clip is released by tightening the thread with the hand wheel.

Due to its rounded design, the modified clip adapts to the gastrointestinal anatomy. The stentfix OTSC® clip is anchored in the tissue and on the stent mesh so that the stent is fixed to the tissue and secured against migration. The clip is made of superelastic Nitinol® and exerts a constant force on the tissue in the application area, thus securing the positioning of the stent. The stentfix OTSC® clip is biocompatible and conditionally MR safe and can remain in the body as a longterm implant.

Dimensions and specifications

Features and sizes of the applicator cap:

The stentfix OTSC® application cap is suitable for endoscope diameters of 8.5 – 11 mm and has a cap depth of 7 mm with a specially designed opening for optimal positioning on the stent edge.

Features of the clip:

The rounded design of the stentfix OTSC® clip adapts to the gastrointestinal anatomy and has teeth with small spikes (type t) for compression and anchoring.

Application of the stentfix OTSC® System Set

Proximal fixation of the stent

Schematische Darstellung der proximalen Stentfixierung mit dem stentfix OTSC 2

Aim at application site; align clip tooth rows parallel to stent opening so that tissue and stent mesh are evenly captured;
mobilization of tissue by suction

Schematic view of proximal stent fixation with the stentfix OTSC

Clip application by turning the hand wheel; optimal adaptation of the clip to the wall

Example*:

Proximale Stentfixierung mit dem stentfix OTSC System 1
Proximale Stentfixierung mit dem stentfix OTSC 2

*Source: Dr. Massimo Conio, Dept. of Gastroenterology, Sanremo Hospital, Italy

Distal fixation of the stent

Schematische Darstellung der distalen Stentfixierung mit dem stentfix OTSC

Aim at application site; align clip tooth rows parallel to stent opening so that tissue and stent mesh are evenly captured;
mobilization of tissue into the cap by grasping below the stent mesh

Schematische Darstellung der distalen Stentfixierung mit dem stentfix OTSC

Clip application by turning the hand wheel; optimal adaptation of the clip to the wall

Example:

Distal fixation of a stent with grasping instrument (ex-vivo model)

Distale Stentfixierung mit dem stentfix OTSC System 1
Distale Stentfixierung mit dem stentfix OTSC System 2

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