

OUR CSTD
How it works
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The EQUASHIELD®
Syringe Unit
EQUASHIELD® Syringe Units maintain a closed pressure equalization that prevents the escape of vapors and aerosols during compounding and administration. A unique dual-needle, air-to-liquid closed exchange system, combined with a closed-back sterile air chamber behind the syringe, ensures that pressure is equalized in a closed system throughout the hazardous drug handling process.
Fully-Closed
Our fully self-contained Syringe Unit with welded connector and closed back prevents the escape of vapors and aerosols into the environment.
Dry Disconnections
During disconnection, dual membranes prevent any contact between the drugs and the outer surface, leaving the contact area safe and free of drug residues.
Needle Safe
Needles remain fully shielded and safe from exposure at all times, preventing needle stick injuries as well as leaks, aerosols, or spills.

INNOVATION
Unique Pressure Equalization Preventing the Escape of Vapor
Unlike bulky balloon systems, EQUASHIELD® has streamlined the design by creating a unique closed internal equalization system which makes it sleek and easy to use.
EQUASHIELD® is a Barrier type CSTD which internally equalizes pressure differentials, using a unique encapsulated syringe containing a sterile air chamber and a dual needle design, enabling an air to liquid exchange.
This unique system eliminates additional steps when equalizing pressure within the system.
To offset the pressure differential during withdrawal, the short needle draws medication out of the vial while the air needle replaces the liquid with an equal amount of air to maintain equilibrium. The sterile air is automatically drawn from the syringe's sealed air chamber and injected into the vial. During reconstitution of lyophilized powder, the process is reversed; the short needle injects liquid into the vial, while the long air needle offsets overpressure by drawing toxic vapors into the air chamber at the back of the syringe. EQUASHIELD® ensures constant equilibrium.
EQUASHIELD® is a Barrier type CSTD which internally equalizes pressure differentials, using a unique encapsulated syringe containing a sterile air chamber and a dual needle design, enabling an air to liquid exchange.
This unique system eliminates additional steps when equalizing pressure within the system.
To offset the pressure differential during withdrawal, the short needle draws medication out of the vial while the air needle replaces the liquid with an equal amount of air to maintain equilibrium. The sterile air is automatically drawn from the syringe's sealed air chamber and injected into the vial. During reconstitution of lyophilized powder, the process is reversed; the short needle injects liquid into the vial, while the long air needle offsets overpressure by drawing toxic vapors into the air chamber at the back of the syringe. EQUASHIELD® ensures constant equilibrium.
2,000+ Clients Worldwide
We have clients in the most prestigious hospitals in the world who are eager to sing the praises of EQUASHIELD®.
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Compounding solutions in your hands
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Assessing the Efficiency of CSTDs for Compounding
Ensuring the safe handling of hazardous drugs must be a primary concern for every health care worker who comes into contact with these medications. Given the inherent risk involved in administrating hazardous drugs, a fully closed system provides healthcare workers with protection and peace of mind.
Specs
Fully-Closed
EQUASHIELD® prevents more routes of exposure than alternative systems, using our closed-back Syringe Unit. It is FDA cleared under the ONB code for CSTDs.
Secure
EQUASHIELD® prevents vapor escape, plunger contamination and accidental pulling-out of the plunger, allowing for safe and full use of syringe volume (up to 60mL).
Time Saving
Studies illustrate our standout compounding efficiency. Fewer steps means reclaimed time.