WallFlex™

Biliary RX Stent (including Benign Indication)

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Deployment Procedure Animation Highlights the design and deployment procedure of the Fully Covered WallFlex™ Biliary RX Stent.
Reconstrainable delivery system (up to 80%) facilitates physician control and locking of guidewire
Closed cell construction and Permalume™ Coating options designed to resist tissue in-growth
Looped and flared stent ends designed to reduce the risk of tissue trauma and stent migration
Platinol™ Wire construction provides flexibility to aid placement in tortuous anatomies

Two decades of metal stent development and demonstrated safety and effectiveness from multiple studies have helped make WallFlex Biliary Stents the most frequently implanted biliary metal stent throughout the U.S., Canada, and Europe.1

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Product Details

A large, prospective, multi-national study published in Gastroenterology Journal, August 2014, reports successful management of benign biliary strictures with fully covered metal stents.

Ordering Information

WallFlex Biliary RX Stents 

Fully covered, partially covered and uncovered WallFlex Biliary RX Stents are available in multiple sizes to accommodate different anatomical and clinical requirements. Below please find ordering information for WallFlex Biliary RX Stents. These stents may be used with short or long guidewires.

WallFlex Biliary RX Fully Covered Stent System*
WallFlex Biliary RX Fully Covered Stent System* PermalumeTM Covering 
Order Number Diameter (mm) Length (mm) Covered Length (mm) (PC Only) Catheter Diameter (Fr/mm) Guidewire Diameter (in/mm)
M00570450 8 60 8.5 / 2.83 .035 / .89
M00570460 8 80 8.5 / 2.83 .035 / .89
M00576800 8 100 9.0 / 3.00 .035 / .89
M00576810 8 120 9.0 / 3.00 .035 / .89
M00570470 10 40 8.5 / 2.83 .035 / .89
M00570480 10 60 8.5 / 2.83 .035 / .89
M00570490 10 80 8.5 / 2.83 .035 / .89
M00576820 10 100 9.0 / 3.00 .035 / .89
M00576830 10 120 9.0 / 3.00 .035 / .89

* Compatible with Boston Scientific .035" guidewires, including Dreamwire® Guidewire. Above (WallFlex Biliary RX Fully Covered Stent System) with Permalume® covering.

Through non-clinical testing, the WallFlex Biliary RX Stent has been shown to be MR Conditional (poses no known hazards under specified conditions) when used according to conditions described in the Directions for Use.

WallFlex Biliary RX Partially Covered Stent System*
WallFlex Biliary RX Partially Covered Stent System* PermalumeTM Covering 
Order Number Diameter (mm) Length (mm) Covered Length (mm) (PC Only) Catheter Diameter (Fr/mm) Guidewire Diameter (in/mm)
M00570700 8 60 8.5 / 2.83 .035 / .89
M00570710 8 80 8.5 / 2.83 .035 / .89
M00576740 8 100 9.0 / 3.00 .035 / .89
M00576750 8 120 9.0 / 3.00 .035 / .89
M00570720 10 40 8.5 / 2.83 .035 / .89
M00570730 10 60 8.5 / 2.83 .035 / .89
M00570740 10 80 8.5 / 2.83 .035 / .89
M00576760 10 100 9.0 / 3.00 .035 / .89
M00576770 10 120 9.0 / 3.00 .035 / .89

* Compatible with Boston Scientific .035" guidewires, including Dreamwire® Guidewire. Above (WallFlex Biliary RX Fully Covered Stent System) with Permalume® covering.

Through non-clinical testing, the WallFlex Biliary RX Stent has been shown to be MR Conditional (poses no known hazards under specified conditions) when used according to conditions described in the Directions for Use.

WallFlex Biliary RX Partially Covered Stent System*
WallFlex Biliary RX Uncovered Stent System* PermalumeTM Covering 
Order Number Diameter (mm) Length (mm) Covered Length (mm) (PC Only) Catheter Diameter (Fr/mm) Guidewire Diameter (in/mm)
M00570600 8 40 8.0 / 2.67 .035 / .89
M00570610 8 60 8.0 / 2.67 .035 / .89
M00570620 8 80 8.0 / 2.67 .035 / .89
M00570630 8 100 8.0 / 2.67 .035 / .89
M00576780 8 120 8.0 / 2.67 .035 / .89
M00570890 10 40 8.0 / 2.67 .035 / .89
M00570640 10 60 8.0 / 2.67 .035 / .89
M00570650 10 80 8.0 / 2.67 .035 / .89
M00570660 10 100 8.0 / 2.67 .035 / .89
M00576790 10 120 8.0 / 2.67 .035 / .89

* Compatible with Boston Scientific .035" guidewires, including Dreamwire® Guidewire. 

Through non-clinical testing, the WallFlex Biliary RX Stent has been shown to be MR Conditional (poses no known hazards under specified conditions) when used according to conditions described in the Directions for Use.

Case Studies


Read Additional Case Studies:
    Managing a tight post liver transplant anastomotic stricture with a Fully Covered WallFlex Biliary RX Stent ›
Presented by Angelo Ferrari, MD, Sao Paulo, SP, Brazil
     Using a Fully Covered WallFlex Biliary RX Stent to seal and dilate an anastomotic stricture in a patient with a history of choledochoduodenostomy and recurrent cholangitis secondary to Sump Syndrome ›
Presented by Francisco Gallego Rojo, MD, Elejido (Almeria), Spain
     In a study of 36 patients with benign biliary strictures, 28 (77.8%) had successful resolution of their strictures ›
Results from this study are presented by Jin Ming, MD, Beijing, China

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