The Merit Medical Prelude Sheath Introducer (REF PSI-4F-23) is a coronary introducer sheath engineered to provide reliable vascular access for diagnostic and interventional catheterization procedures. The Prelude platform is designed to support smooth catheter insertion and exchange while helping clinicians minimize trauma at the access site.

Key Features
Low-profile 4F sheath configuration intended for radial, brachial or femoral access depending on clinician technique.
Hydrophilic-style outer surface (per manufacturer Prelude family literature) to support smooth insertion and reduced friction.
Integrated hemostasis valve designed to limit blood loss and air ingress during catheter exchanges.
Side port with three-way stopcock for flushing and contrast or medication administration.
Kink-resistant sheath body intended to maintain lumen patency throughout the procedure.
Tapered dilator and guidewire components supplied in a procedural kit configuration. Exact kit contents: Not specified in the located sources.

Clinical Applications
Percutaneous vascular access for diagnostic angiography.
Support for coronary and peripheral interventional procedures.
Facilitation of guidewire and catheter introduction and exchange.
Use in cardiac catheterization laboratory and interventional radiology settings by trained clinicians.

Product Information
Brand: Merit Medical
Product Line: Prelude Sheath Introducer
Reference / UPN: PSI-4F-23
Category: Coronary Introducer Sheaths
French Size: 4F
Working Length (suggested by REF code): 23 cm — confirm with manufacturer IFU.
Guidewire Compatibility: Not specified in the located sources.
Sterilization: Not specified in the located sources; refer to manufacturer IFU.
Single Use: Refer to manufacturer IFU.
Regulatory Status: Refer to local regulatory documentation provided by Merit Medical.