The Boston Scientific MACH1 JR3 8F Coronary Guiding Catheter (REF H749343586840) is a single-use interventional catheter engineered for diagnostic and therapeutic access to the coronary arteries. The MACH1 family is built on a multi-layer shaft construction intended to combine torque transmission, kink resistance and a stable lumen for device delivery during percutaneous coronary intervention (PCI).

Key Features
- JR3 (Judkins Right 3) preformed curve for engagement of the right coronary ostium.
- 8F outer diameter shaft providing a large inner lumen for delivery of bulky interventional devices.
- Multi-layer shaft design intended to support 1:1 torque response and backup support.
- Atraumatic soft tip intended to reduce the risk of vessel trauma during ostial engagement.
- Lubricious inner lumen intended to facilitate smooth advancement of guidewires, balloons and stents.
- Working length, tip configuration and side-hole availability: Not specified in the located sources.

Clinical Applications
- Selective angiography and guiding support during percutaneous coronary intervention (PCI).
- Engagement of the right coronary artery via femoral access using the Judkins Right configuration.
- Delivery of interventional devices such as guidewires, balloon catheters and coronary stents through the 8F lumen.
- Suitability for specific patient populations or procedures should be determined per the manufacturer Instructions for Use.

Product Information
- Brand: Boston Scientific
- Product Line: MACH1
- Curve: JR3 (Judkins Right 3)
- French Size: 8F
- Category: Coronary Guiding Catheter
- REF/UPN: H749343586840
- Use: Single-use, sterile (confirm sterilization method per IFU)
- Packaging and shelf life: Not specified in the located sources.