The Boston Scientific MACH1 AL1 8F Coronary Guiding Catheter (REF H74934358190) is a single-use interventional access catheter designed to facilitate the introduction and exchange of guidewires, balloon dilatation catheters, stents, and other interventional devices into the coronary vasculature. The AL1 (Amplatz Left 1) curve is intended for engagement of the left coronary ostium, while the 8F profile provides a larger inner lumen to accommodate complex devices and dual-device techniques.

Key Features
- MACH1 platform engineered for one-to-one torque response and predictable curve retention.
- AL1 curve shape optimized for left coronary ostial engagement and supportive backup.
- 8F outer diameter with a large inner lumen to support complex PCI device delivery.
- PTFE inner liner intended to reduce friction during device tracking and exchange.
- Stainless steel braid reinforcement for kink resistance and torque transmission.
- Soft atraumatic distal tip designed to minimize vessel trauma during ostial engagement.
- Length and additional dimensional specifications: Not specified in the located sources.

Clinical Applications
- Diagnostic and interventional access to the left coronary system.
- Support during percutaneous coronary intervention (PCI), including stent and balloon delivery.
- Procedures requiring enhanced backup support for crossing complex or calcified lesions.
- Compatible with standard interventional accessories used in the cardiac catheterization laboratory.

Product Information
- Brand: Boston Scientific
- Product Line: MACH1
- Curve: AL1 (Amplatz Left 1)
- French Size: 8F
- Category: Coronary Guiding Catheter
- REF / UPN: H74934358190
- Use: Single-use, sterile
- Regulatory clearances and country-specific availability: Not specified in the located sources.