The Boston Scientific MACH1 KL3 7F Coronary Guiding Catheter (REF H749343576110) is a single-use guiding catheter engineered to deliver consistent torque response, stable coronary ostial engagement and strong passive backup support during diagnostic and interventional cardiology procedures. The MACH1 family is built on a proprietary three-layer shaft construction intended to combine kink resistance with smooth device tracking through tortuous anatomy.

Key Features
Three-layer shaft construction designed for 1:1 torque transmission and shape retention.
KL3 (Left Kimny 3) curve geometry intended for left coronary access, particularly in challenging aortic root anatomy.
7F outer diameter shaft providing a large internal lumen to support multi-device and complex PCI techniques.
Lubricious inner lining intended to facilitate smooth passage of interventional devices.
Atraumatic soft tip designed to reduce the risk of vessel injury during ostial engagement.
Radiopaque marker characteristics: Not specified in the located sources.

Clinical Applications
Percutaneous coronary intervention (PCI) requiring stable left coronary engagement.
Complex interventions where additional backup support and a larger working lumen are advantageous.
Delivery and exchange of guidewires, balloon catheters, stents and adjunctive interventional devices.
Procedures involving challenging or variant aortic root and left coronary ostial anatomy where a Kimny-style curve may aid coaxial alignment.

Product Information
Brand: Boston Scientific
Product Line: MACH1
Curve: KL3 (Left Kimny 3)
French Size: 7F
Category: Coronary Guiding Catheter
REF / UPN: H749343576110
Usage: Single-use, sterile
Working Length: Not specified in the located sources
Inner Diameter: Not specified in the located sources
Sterilization Method: Not specified in the located sources
Packaging Quantity: Not specified in the located sources