The Boston Scientific MACH1 KL4 6F Coronary Guiding Catheter (REF H749343566120) is a single-use guiding catheter engineered to support coronary interventional procedures. The MACH1 platform is designed to deliver predictable backup support, smooth device tracking, and a stable position at the coronary ostium during percutaneous coronary intervention (PCI).

Key Features
Curve configuration: KL4 (Kimny Left, larger reach) intended for left coronary artery engagement.
Catheter size: 6F outer diameter for radial or femoral access compatibility (per institutional protocol).
MACH1 single-piece, full-length braided shaft engineered for 1:1 torque response and kink resistance.
Soft, atraumatic distal tip designed to reduce vessel trauma during ostial engagement.
Smooth inner lumen intended to facilitate device delivery and contrast injection.
Sterile, single-use device. Working length: Not specified in the located sources.

Clinical Applications
Selective angiography and guiding support during percutaneous coronary intervention (PCI).
Engagement of the left coronary ostium where a Kimny-style curve is preferred.
Delivery of interventional devices such as guidewires, balloon catheters, and stents into the coronary vasculature.
Procedures requiring stable backup support with 6F-compatible interventional tools.

Product Information
Brand: Boston Scientific
Product line: MACH1 Coronary Guiding Catheter
Curve: KL4
French size: 6F
Category: Guiding Catheter
REF / UPN: H749343566120
Packaging: Sterile, single-use; quantity per box not specified in the located sources.
Storage: Store as indicated in the manufacturer Instructions for Use.
For full indications, contraindications, warnings, and precautions, refer to the official Boston Scientific Instructions for Use (IFU).