The Boston Scientific MACH1 FL4 SH 8F Coronary Guiding Catheter (REF H74934358530) is a single-use interventional catheter engineered to provide predictable coronary ostium engagement and stable backup support during percutaneous coronary intervention (PCI). The MACH1 family is designed with a proprietary shaft construction intended to deliver pushability, torque response, and lumen integrity across a range of anatomical challenges.

Key Features
Preformed FL4 (Femoral Left 4) curve intended for engagement of the left coronary system.
Side-hole (SH) configuration to support distal coronary perfusion during deep engagement.
8F outer diameter shaft providing a large inner lumen for adjunctive device delivery.
Multilayer shaft construction designed for torque transmission and kink resistance.
Atraumatic soft tip designed to reduce vessel and ostial trauma.
Lubricious coating on applicable shaft segments to facilitate navigation.
Single-use, sterile, supplied individually packaged.

Clinical Applications
Intended for use in percutaneous coronary interventional procedures requiring guiding catheter access to the coronary ostia.
Supports delivery of interventional devices including balloon catheters, stents, and adjunctive PCI tools compatible with an 8F lumen.
FL4 geometry is generally selected for left coronary engagement via femoral access.
Side-hole design may be considered when maintaining antegrade flow during engagement is desired.

Product Information
Brand: Boston Scientific
Product Line: MACH1
Curve: FL4
Configuration: Side Hole (SH)
French Size: 8F
Category: Coronary Guiding Catheter
REF/UPN: H74934358530
Working Length: Not specified in the located sources
Inner Diameter: Not specified in the located sources
Sterilization: Not specified in the located sources
Packaging: Single-use, sterile (refer to manufacturer IFU)
Regulatory Status: Refer to local regulatory clearance and official Instructions for Use prior to procurement or clinical use.