Blazer™ Open-Irrigated

Ablation Catheter

Blazer™ Open-Irrigated Ablation Catheter
Blazer™ Open-Irrigated Ablation Catheter Tip Electrode
Blazer™ Catheter Platform: Bidirectional With Exceptional Tip Control

The Blazer™ Open-Irrigated Ablation Catheter is the only catheter with a Total Tip Cooling™ Design which provides total uniform tip cooling internally, an optimized flow pattern with active washing and consistent cooling throughout RF delivery as well as a uniform external flow.

Key Resources


30 Years at the Heart of the Electrograms

Therapeutic & Diagnostic EP Catheters

With over a million procedures performed worldwide over the past 30 years, Boston Scientific’s portfolio of therapeutic & diagnostic catheters remains the industry gold standard.

With over 200 different models featuring sophisticated design, ease of use and proven reliability, our catheter portfolio empowers EP cardiologists to treat their patients with unparalleled performance, stability and safety, without compromise.
The most comprehensive and clinically versatile portfolio on the market, in your hands today!

at the heart of electrograms

Product Details

Internal Cooling:

Dual chambers cool the entire tip

External Washing:

Optimized flow pattern actively washes tip

  • Greater Cooling Capacity*
  • Active Tip Washing

Total Tip Cooling Technology

  • Designed to reduce potential of char, coagulum and thrombus
  • Designed for effective power delivery

Trusted Blazer Platform

  • Predictable handing
  • Dependable performance
Conventional Open-Irrigated Tip
Blazer™ Open-Irrigated Tip

Product illustrations of catheter construction designed by Boston Scientific, not actual photos.

  • Reduced Proximal Heating*
  • Uniform Cooling of Tip
Conventional Open-Irrigated Tip
Blazer™ Open-Irrigated Tip

17ml/min flow rate, 20W, 30s used in the bench testing performed by Boston Scientific. N=1. Data on file.

Consistently coller throughout RF delivery

Total Tip Cooling™ Design Provides Cooling Efficiency

Ordering Information

Blazer™ Open-Irrigated Ablation Catheter

Electrode Configuration: Quadripolar   Electrode Spacing: 2.5 mm
Catheter Model No. Shaft Size Tip Size Curve Style Shaft Length
M004 EPT9620 0 7.5 F (2.5 mm) 7 F (2.34 mm) / 4 mm Standard 110 cm
M004 EPT9620K2 0 7.5 F (2.5 mm) 7 F (2.34 mm) / 4 mm Large 110 cm
M004 EPT9620K2E 0 7.5 F (2.5 mm) 7 F (2.34 mm) / 4 mm Large / Extra Long 115 cm
M004 EPT9620N4 0 7.5 F (2.5 mm) 7 F (2.34 mm) / 4 mm Asymmetric 110 cm
Model No. Description
M004 691 0 Cable, Blazer Open-Irrigated Catheter to Stockert RF Generator
M004 354 1¹ Valleylab™ Ground Pad
M004 116 0 Open-Irrigated Tubing kit

Bidirectional Curve Options

Standard Radius Curve
Large Radius Curve (K2, K2E)
Asymmetric 4 Curve (N4)

Catheter configurations are illustrative representations only and may not reflect actual performance.

The Blazer Open-Irrigated Ablation Catheter has been tested and verified to operate safely with the Stockert Radiofrequency Generator and CoolFlowTM Irrigation Pump.