The Boston Scientific MACH1 ART3.5 SH 8F Coronary Guiding Catheter (REF H749343584990) is a single-lumen guiding catheter engineered to deliver predictable torque, smooth tracking and consistent backup support during percutaneous coronary interventions. The MACH1 platform is built around a multi-layer shaft construction intended to combine pushability, kink resistance and shape retention through tortuous anatomy.

Key Features
- MACH1 multi-layer shaft engineered for 1:1 torque transmission and shape stability
- ART3.5 (Amplatz Right) curve configured for selective right coronary engagement and supportive backup
- SH (Short tip) configuration to refine coaxial alignment and ostial seating
- 8F outer diameter providing a large internal lumen suited to multi-device or bulky-equipment interventions
- Atraumatic soft tip designed to reduce vessel trauma during cannulation
- Lubricious inner lumen to facilitate device delivery and contrast injection

Clinical Applications
- Selective cannulation of the coronary ostia for diagnostic angiography
- Delivery platform for guidewires, balloons, stents and adjunctive interventional devices during PCI
- Procedures requiring enhanced backup support, including complex or calcified lesion treatment
- Cases where larger lumen access (8F) is preferred for multi-device techniques such as kissing balloon, bifurcation stenting or rotational atherectomy support

Product Information
- Brand: Boston Scientific
- Product line: MACH1 Coronary Guiding Catheter
- Curve: ART3.5 (Amplatz Right 3.5)
- Tip: SH (Short)
- French size: 8F
- Category: Guiding Catheter
- REF / UPN: H749343584990
- Usage: Single-use, sterile (confirm packaging at receipt)
- Working length: Not specified in the located sources
- Inner diameter: Not specified in the located sources
- Storage and regulatory status: Refer to the manufacturer Instructions for Use and local regulatory documentation