USA 1-800-227-2862 (BBRAUN2)

OnGuard® Closed System Transfer Device (CSTD)

Ready for USP <800>


Health care worker safety is as important as patient safety. OnGuard CSTD protects employees against the harmful risks of hazardous drug exposure. With more than 500 customers, OnGuard is the market leader in CSTD air-cleaning technology, a NIOSH-recognized hazardous drug containment technology. The unique features of this technology are designed to make OnGuard easy to operate and easy to integrate into your practice to help you meet USP 800.


  • Majority of hazardous drug compounding can be done with just 3 SKU. Designed to reduce waste, help make implementations easier and reduce confusion.
  • Just compound and go. No need to pre-prime or pre-activate the vial adaptor.
  • Click to lock. No push and twist. Linear connection designed to help reduce repetitive strain injury (RSI) and provide audible click for validation.
  • Flat and smooth valve surfaces. Designed for easier swabability and disinfection.
  • No proprietary components. Works with any off the shelf syringe, no need to stock new syringes.
  • 16G fluid pathway. Helps facilitate easier withdrawal of viscous fluids.
OnGuard™ CSTD

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OnGuard™ CSTD for Pharmacy

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OnGuard™ CSTD for Nurses

DescriptionProduct Code
OnGuard Syringe Adaptor
For use with Luer lock syringes.Enables closed fluid transfers using a syringe and various OnGuard components through dedicated device connections.
OnGuard Vial Adaptor for 20 mm and 13 mm Vials
For closed reconstitution and withdrawal of medications with most 20 mm and 13 mm vials (with vial converter ring provided)
OnGuard Vial Adaptor for 28 mm Vials
For closed reconstitution and withdrawal of medicationswith 28 mm vials
OnGuard Connecting Set
For closed drug preparation and administration of IV medications. Length: 19 in. (49 cm)
OnGuard Spike Port Adaptor
Adapts a dedicated IV pump tubing set or gravity tubing set. Length: 8 in. (20 cm)
OnGuard Luer Lock Adaptor
Converts a standard Luer activated valve for access with the OnGuard Syringe Adaptor
OnGuard Secondary Set with Drip Chamber
Closed preparation and administration of IV medications. Length: 43 in. (109 cm)
  • URL
    NIOSH DRAFT Universal Protocol
  • URL
    NIOSH Recognition of CSTD Air-Cleaning Technology
  • URL
    ONS Webinar: Empowering Nurses. Improving Safety.
  • URL
    FDA ONB Clearance
  • PDF [848 KB]
    Head-to-Head Evaluation of CSTDs in a Health-System Oncology Clinic
  • PDF [1538 KB]
    A Universal Test Protocol for Assessment of all CSTD Technologies: Assessment of the Containment Performance of CSTDs that Either Employ a Mechanically Closed Physical Barrier or air Filtration Technology
  • PDF [3622 KB]
    Cytotoxic Exposure: Healthcare Worker Risks
  • PDF [241 KB]
    Evaluation of a Closed-System Cytotoxic Transfer Device in a Pharmaceutical Isolator
  • PDF [320 KB]
    Prevention of Hazardous Drug Vapor Release by the Tevadaptor Vial Adaptor
  • URL
    OnGuard® CSTD for Nurses
  • PDF [459 KB]
    Prepare Your Customers for USP <800>
  • URL
    OnGuard® CSTD for Pharmacy
  • URL
    OnGuard® CSTD (Closed System Transfer Device): Product Training
  • URL
    OnGuard™ CSTD (Closed System Transfer Device)
    Video - Product Training