The Boston Scientific MACH1 JL4 8F Coronary Guiding Catheter (REF H749343586620) is a single-use interventional catheter designed to facilitate the delivery of guidewires, balloons, stents and other interventional devices to the left coronary ostium. The Judkins Left 4.0 (JL4) curve is one of the most widely used coronary guide configurations, providing reliable coaxial engagement of the left main coronary artery. The MACH1 platform combines a stainless steel braid with a low-friction inner lumen to deliver the torque response, kink resistance and back-up support clinicians expect during percutaneous coronary procedures.

Key Features
- Judkins Left 4.0 (JL4) preformed curve for left coronary cannulation
- 8F outer diameter shaft for enhanced backup support and large-lumen device compatibility
- MACH1 stainless steel braided shaft for 1:1 torque transmission
- Lubricious inner lumen to support smooth device tracking and exchange
- Atraumatic soft tip designed to reduce ostial trauma
- Radiopaque construction for fluoroscopic visualization
- Sterile, single-use configuration

Clinical Applications
- Diagnostic and interventional access to the left coronary artery
- Delivery conduit for coronary guidewires, balloon catheters and stent systems
- Procedures requiring strong passive back-up support, such as complex PCI, bifurcation and calcified lesion treatment
- Compatible with bulkier interventional devices that benefit from an 8F lumen

Product Information
- Brand: Boston Scientific
- Product Line: MACH1 Coronary Guiding Catheter
- Curve: JL4 (Judkins Left 4.0)
- French Size: 8F
- Category: Guiding Catheter
- REF / UPN: H749343586620
- Usage: Single-use, sterile
- Working Length: Not specified in the located sources
- Inner Diameter: Not specified in the located sources
- Packaging Quantity: Not specified in the located sources
- Regulatory Status: Refer to the manufacturer Instructions for Use for approved indications and market-specific clearances