The Boston Scientific MACH1 JL4 6F Coronary Guiding Catheter (REF H749343566620) is a single-use percutaneous guiding catheter designed to deliver interventional devices to the coronary anatomy. The Judkins Left 4.0 (JL4) curve is intended for engagement of the left coronary ostium, while the 6F outer profile is configured to balance lumen capacity with a low-profile vascular footprint. The MACH1 platform is engineered to provide the torque transmission, kink resistance, and backup support clinicians expect during contemporary coronary procedures.

Key Features
Judkins Left 4.0 (JL4) preformed curve for left coronary ostial engagement
6F outer diameter intended to balance inner lumen and access-site profile
MACH1 shaft construction designed for 1:1 torque response and pushability
Smooth inner lumen intended to facilitate device delivery and contrast injection
Atraumatic soft tip designed to reduce vessel trauma during engagement
Sterile, single-use packaging

Clinical Applications
Selective angiography and guiding support for percutaneous coronary intervention (PCI)
Delivery of interventional devices including balloons, stents, and guidewires to the left coronary system
Use in cardiac catheterization laboratory workflows where stable left coronary engagement is required
Suitable for transfemoral or transradial access at clinician discretion based on patient anatomy

Product Information
Brand: Boston Scientific
Product Line: MACH1
Category: Coronary Guiding Catheter
Curve: JL4 (Judkins Left 4.0)
French Size: 6F
REF / UPN: H749343566620
Working Length: Not specified in the located sources
Inner Diameter: Not specified in the located sources
Sterility: Sterile, single-use
Packaging: Not specified in the located sources
Regulatory status, indications, and contraindications: Refer to the official Boston Scientific Instructions for Use (IFU) and regional regulatory labeling.