The Luer 4-Way Connector (JT-040) is molded from polycarbonate, chosen for the part's connection and fluid-path requirements. The material supports the sterilization and compatibility needs of IV infusion sets and fluid-transfer lines. Custom material and color are available from Baixin Bio.
Definition
At its core, a luer 4-way connector is a molded plastic component that creates or controls a connection in a medical fluid line. It is engineered so that tubing, syringes, devices and accessories join with a predictable, leak-resistant fit, and it is produced as a single-use part from medical-grade thermoplastics.
Because the part sits directly in the fluid path, three things matter most: a dependable seal, dimensional consistency from part to part, and a material that is compatible with the fluid and the chosen sterilization method.
To put it in context: a disposable fluid-handling device is rarely one molding. It is a chain of small components — connectors, valves, chambers, clamps, caps and tubing — assembled into a single path. Standard interfaces are what let those components come from a catalog and still fit, which is the whole reason this category of part exists.
About This Component
The Luer 4-Way Connector is supplied as a single-use molded part for IV infusion sets and fluid-transfer lines. Its interface follows standard conventions so it mates predictably with compatible components, and it is produced in polycarbonate by default, with other medical-grade resins available on request.
Like all Baixin Bio components, it can be customized for material, color, dimensions, packaging and assembly. For a precise specification — exact dimensions, tolerances, sterilization validation, packaging counts and minimum order quantity — request a drawing and samples through the inquiry form.
Key Advantages
Where luer 4-way connector earns its place, it is for a handful of practical reasons:
- Standardized interface that interoperates with compliant luer components
- Leak-resistant seal that holds under normal line pressure
- Single-use design that supports sterile, disposable workflows
- Medical-grade resin selected for fluid compatibility
- Dimensional consistency across production lots
- Smooth fluid-contact surfaces for reliable connection
In short, the component earns its place by being unremarkable in the best way: it fits, it seals, it is available, and it behaves the same every time, so engineering attention can go to the device rather than the fitting.
Common Applications
The settings that rely on luer 4-way connector include:
- Disposable diagnostic devices
- Syringe and pump connections
- IV infusion sets
- Blood and fluid transfer lines
- Hemodialysis circuits
Across all of these uses, the underlying requirement is the same: a connection that is secure, leak-resistant and safe to make once and discard. That is why standardized, single-use molded components dominate the category — they remove variability from the most failure-prone part of a fluid path, the junction, and they let a device be assembled quickly and qualified as a unit.
How to Specify and Choose
A good specification answers a short list of questions up front:
- The inner and outer diameters of the tubing the part bonds to
- The sterilization method the finished device will undergo
- Whether the part is single-use or intended for limited reuse
- Color coding or opacity requirements for the assembly
- Packaging format and order volume for the program
With those answers in hand, a supplier can confirm a standard part or scope a custom one without back-and-forth. Sharing a drawing or a physical sample removes the remaining ambiguity.
Industry Standards
The relevant standards work is centered on ISO 80369, the small-bore connector series designed to prevent dangerous misconnections across IV, enteral, respiratory and other applications. Alongside connection standards, material biocompatibility and a validated sterilization method (EO, gamma or autoclave) define whether a component is fit for medical use.
For polycarbonate components, the practical sterilization options are gamma and ethylene oxide (EO); the choice is confirmed against the finished device and its validated process.
Much of the modern standards work exists to prevent misconnection. Historically a single luer taper served many applications, which made cross-connections physically possible; the ISO 80369 series assign distinct geometries to different uses so incompatible lines simply will not mate. When you specify a connector, identifying the correct series for the application is therefore a safety decision, not just a fit decision.
This page is informational and does not replace device-specific regulatory or validation guidance. Confirm exact standards, biocompatibility and sterilization requirements for your product with your quality team and your supplier.
Frequently Asked Questions
What materials are used?
Depending on the part, medical-grade PC, PP, PVC, ABS, PE or POM is used, selected for the connection method, fluid path and sterilization requirement.
How is it sterilized?
Components are compatible with validated single-use sterilization such as ethylene oxide, gamma irradiation or steam autoclave, depending on the resin. Confirm the method for your device.
Is it compatible with ISO 80369?
Luer interfaces follow small-bore connector conventions. Confirm exact ISO 80369 series compatibility for your application with Baixin Bio before specifying.
What order volumes are supported?
Baixin Bio supplies disposable device assemblers in production volumes, with consistent lot-to-lot quality and export-friendly communication.
Can I request samples?
Yes. Samples and drawings are welcome and recommended before committing to volume. Use the inquiry form to request them.
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Baixin Bio manufactures luer connectors, valves, drip chambers, clamps, caps and tubing, with OEM and ODM customization. Send your drawings or samples for a quote.
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