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TorFlex™ Transseptal Guiding Sheath

The TorFlex Transseptal Guiding Sheath offers precise handling for smooth left atrial crossing.

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Smooth and controlled crossing™

Experience precise handling throughout your procedure

Torflex guiding sheath

How it works

TorFlex Transseptal Guiding Sheath crossing into the left atrium.

Two times more torque than the leading competitor,* provides control and maneuverability when crossing into and positioning in the left atrium

Why choose the TorFlex Transseptal Guiding Sheath

Designed for control

TorFlex Transseptal Guiding Sheath showing braid composite design.

Composite braid design

Precise catheter and sheath manipulation response in the left atrium

TorFlex Transseptal Guiding Sheath with arrow pointing to sleek dilator-to-sheath profile.

Smooth transition

Sleek dilator-to-sheath profile facilitates smooth advancement across septal tissue

Alternative text for accessibility.

Radiopaque band

Radiopaque marker band is visible under fluoroscopy and ultrasound

Tested for excellence

Chart of the torque transfer (N cm) observed for the TorFlex Transseptal Guiding Sheath and a leading competitor, showing TorFlex transfers more torque.

Superior torque in any configuration

Torque transfer comparison between the TorFlex Transseptal Guiding Sheath (8.5F braided) and leading competitor (8.5F braided)

TorFlex Transseptal Guiding Sheath hub-snap mechanism with valve, stopcock, and sideport.

Reliable hub-snap mechanism

Consistent hub-snap mechanism with hemostatic valve, three-way stopcock, and sideport

What’s included

The TorFlex Transseptal Guiding Sheath consists of three components:

  • Sheath
  • Dilator
  • J-tipped guidewire

White paper

March 2017, Leung et al.

This study investigated and compared the torque transfer of commonly used transseptal sheaths. Four commonly used transseptal sheath kits were tested.

TorFlex Transseptal Guiding Sheath


French size compatibility8.5F (2.84 mm)
Sheath usable length63 cm, 81 cm
Sheath radiopaque markerPlatinum/iridium band
Sheath curves45°, 55°, 90°
Dilator usable length67 cm, 85 cm
Dilator inner diameter0.033” (0.83 mm)
Guidewire max outer diameter0.032” (0.81 mm)
Guidewire length180 cm

Ordering information


French size compatibilitySheath usable lengthSheath curveProduct code
8.5F 63 cm     45°TF85-32-63-45
81 cm     45°TF85-32-81-45

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On-site transseptal simulator training

Hands-on training on the use of RF-based transseptal platforms in various clinical scenarios using virtual reality technology, echocardiography simulators, and anatomical models.

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* When testing the sheaths alone (no dilator or needle inserted). Bench testing or pre-clinical study results may not necessarily be indicative of clinical performance. The testing was performed by or on behalf of Boston Scientific. Data on file.
† Than the leading competitor. Bench testing or pre-clinical study results may not necessarily be indicative of clinical performance. The testing was performed by or on behalf of Boston Scientific. Data on file.