The Boston Scientific CHOICE PT Extra Support Coronary Guidewire (REF H74912161012) is a polymer-jacketed, hydrophilic-coated guidewire designed to assist clinicians during percutaneous coronary interventions. Its extra support shaft profile is engineered to provide enhanced backup and pushability while preserving distal trackability through tortuous coronary anatomy.

Key Features
- Extra support shaft configuration intended to deliver added backup for device exchanges and stent delivery
- Hydrophilic polymer coating designed to reduce surface friction and support smooth navigation
- Shapeable distal tip intended to allow operator-defined tip curvature
- Radiopaque distal segment intended to aid fluoroscopic visualization
- Engineered for compatibility with standard coronary catheters and microcatheters

Clinical Applications
- Intended to facilitate the placement and exchange of catheter-based devices within the coronary vasculature
- May be selected by operators when additional shaft support is desired during complex lesion crossing
- Suitable use cases, indications, contraindications, warnings and precautions are defined by the manufacturer Instructions for Use

Product Information
- Brand: Boston Scientific
- Product Line: CHOICE PT
- Configuration: Extra Support
- Category: Coronary Guidewires
- Reference Number (REF/UPN): H74912161012
- Wire Diameter: Not specified in the located sources
- Working Length: Not specified in the located sources
- Tip Style: Not specified in the located sources
- Sterility: Not specified in the located sources
- Packaging: Not specified in the located sources
- Always refer to the official manufacturer Instructions for Use and product labeling for complete specifications, indications and safety information.