Vascular access is one of the most frequently performed procedures in healthcare — over 300 million peripheral IV catheters are placed in the United States annually. IV and vascular access products represent a significant portion of supply costs in acute care settings and carry substantial patient safety implications. Choosing the right products — and ensuring they're consistently available — is a procurement priority.
Peripheral IV Catheters: Size, Material, and Safety Features
Peripheral IV catheters (PIVCs) are the most commonly placed vascular access device. Key selection considerations:
- Gauge: 14–16G for rapid fluid resuscitation; 18–20G for most IV medications; 22–24G for fragile veins in elderly patients and pediatrics.
- Material: Polyurethane catheters (BD Vialon, Smiths Medical Jelco) are softer and more vein-friendly than standard PVC/Teflon. They reduce phlebitis and allow longer dwell times.
- Passive safety mechanisms: OSHA's Needlestick Safety and Prevention Act requires safety-engineered sharps. Passive (automatic) safety features are preferred over active (manual) mechanisms for needlestick injury prevention.
- Integrated extension sets: Some IV catheter designs (BD Nexiva, Becton Dickinson Intima) include a pre-attached extension set with a needleless connector, reducing manipulation and contamination risk.
PICC Lines and Midline Catheters
Peripherally inserted central catheters (PICCs) and midline catheters are used for patients requiring IV access for 5 days to several months. Key differences:
- Midline catheters: 8–20 cm length, tip terminates in the basilic or cephalic vein above the antecubital fossa. Suitable for medications compatible with peripheral administration. Dwell time up to 4 weeks.
- PICC lines: 45–65 cm length, tip in the superior vena cava/cavoatrial junction. Suitable for vesicant medications, TPN, and concentrated electrolytes. Dwell time weeks to months.
BD PowerPICC, Bard Access Systems (now BD), and AngioDynamics are leading PICC line manufacturers.
Central Venous Catheters and Ports
Central venous catheters (CVCs) are placed when patients require multi-lumen access, hemodynamic monitoring, or reliable long-term access. Implanted ports (e.g., Bard Port-A-Cath, Smiths Medical Vortex) are preferred for long-term chemotherapy and TPN. Arrow International (Teleflex) and BD are the leading CVC manufacturers.
CLABSI (Central Line-Associated Bloodstream Infection) is a critical HAI associated with CVCs. Chlorhexidine-impregnated dressings, antimicrobial-coated catheters, and strict insertion/maintenance bundles are the standard of care.
Infusion Sets and Needleless Connectors
Infusion sets transfer fluids from IV bags to the patient's vascular access device. Key specifications:
- Primary vs. secondary (piggyback) sets
- Drip chamber type (macro-drip 10–20 gtts/mL for fluids; micro-drip 60 gtts/mL for pediatric and precise medication delivery)
- Integrated filters (0.2 micron for TPN; 1.2 micron for lipid-containing solutions)
- Pump compatibility (most facilities standardize sets to their IV pump manufacturer)
Needleless connectors are required at all access points per OSHA standards. Positive displacement connectors (Clave, MaxPlus) reduce catheter occlusion. Split-septum connectors (BD Q-Syte) have lower reflux volumes. Disinfection with alcohol/CHG caps is standard before every access.
Procurement Considerations for Vascular Access Products
IV products have strict compatibility requirements with pumps, EMR documentation fields, and nursing workflow. Changes to IV catheter or connector products require clinical evaluation and staff education. Most facilities standardize vascular access products through their value analysis committee with input from vascular access nurses, infection preventionists, and pharmacy.
Healix stocks IV catheters, PICC supplies, infusion sets, needleless connectors, and vascular access accessories from BD, Smiths Medical, Teleflex, AngioDynamics, and ICU Medical. Browse our IV & Vascular Access catalog.