The Boston Scientific MACH1 KL3 6F Coronary Guiding Catheter (REF H749343566110) is a single-use intravascular guiding catheter designed to provide stable coronary ostial engagement and reliable backup support during diagnostic and interventional cardiology procedures. The KL3 curve targets left coronary anatomy, while the MACH1 platform is engineered to deliver a consistent balance of pushability, torque transmission, and atraumatic tip behavior in 6F access workflows.

Key Features
Proprietary MACH1 single-layer braid construction intended to provide 1:1 torque response and kink resistance.
KL3 preformed curve shaped for engagement of the left coronary ostium.
6F (French) outer diameter compatible with radial and femoral access strategies subject to operator assessment.
Large lumen geometry intended to facilitate contrast delivery and passage of interventional devices.
Soft, atraumatic distal tip designed to reduce ostial trauma during cannulation.
PTFE inner lumen lining intended to support smooth device tracking and reduce friction.

Clinical Applications
Introduction and support of interventional devices into the coronary vasculature during percutaneous coronary intervention (PCI).
Selective contrast injection and angiographic visualization of the left coronary system.
Backup support for guidewire, balloon, and stent delivery in routine and complex left-sided coronary anatomy.
Use in catheterization laboratory procedures performed by trained interventional cardiologists.

Product Information
Brand: Boston Scientific
Product Line: MACH1 Guiding Catheter
Curve: KL3 (left coronary)
French Size: 6F
REF / UPN: H749343566110
Category: Coronary Guiding Catheter
Usable Length: Not specified in the located sources
Sterility: Supplied sterile, single use
Latex: Not specified in the located sources
Packaging Quantity: Not specified in the located sources