For over four decades, when medical device engineers and procurement professionals need high-quality, single-use components without the wait or tooling costs, they turn to Qosina Corporation. Founded in 1980 and headquartered on Long Island, New York, Qosina has established itself as a leading global supplier of disposable OEM components to the medical and pharmaceutical industries . This post explores Qosina’s rich history, its vast product catalog, and how its silicone duckbill valves and other check valves serve as critical building blocks for life-saving medical devices worldwide.
The Qosina Story: A Legacy of Service Since 1980
Qosina was founded in 1980 with a mission to advance more hygienic practices in the medical and beauty industries . Over the past 46 years, the company has grown into a trusted partner for device manufacturers, offering an unparalleled selection of stock components from their ISO-certified facility .
Headquartered in Ronkonkoma, New York, Qosina operates from a facility certified to multiple international standards, reflecting their commitment to quality and reliability:
- ISO 13485: Medical devices – Quality management systems
- ISO 9001: General quality management
- ISO 22301: Business continuity management
- ISO 14001: Environmental management
This impressive portfolio of certifications demonstrates Qosina’s dedication to meeting the rigorous demands of the medical industry . By operating under these standards, they ensure that every component they supply is manufactured, handled, and shipped with the highest level of quality control.
The Qosina Advantage: Eliminating Tooling Costs, Speeding Time to Market
Qosina’s business model offers a unique and compelling value proposition to medical device companies. Rather than investing tens of thousands of dollars and months of lead time in custom tooling for every component, manufacturers can purchase from Qosina’s extensive inventory of stock components .
Key benefits include:
- No Tooling Costs: Qosina’s existing molds eliminate the need for expensive custom tooling .
- Immediate Delivery: Components are available from inventory, drastically reducing lead times .
- Complimentary Samples: Engineers can test components with their designs before committing to volume purchases .
- Low Minimums: Flexible ordering quantities support both prototyping and production .
- Full-Scale Photographs: The Qosina catalog features components photographed on a one-centimeter grid, aiding in design and specification .
For unique requirements, Qosina also welcomes sourcing requests for tool modifications, hard-to-find items, sub-assemblies, or custom tubing to meet specific specifications .
Silicone Duckbill Valves and Check Valves from Qosina
A duckbill valve is a one-way check valve with a flexible silicone sleeve molded into the shape of a duck’s bill. It allows forward flow while instantly sealing against backflow, making it ideal for medical and pharmaceutical applications requiring reliability and hygiene.
Qosina’s product line includes a comprehensive range of check valves, including duckbill designs, that serve as essential components in disposable medical devices . Their catalog features thousands of stock components, and their team of knowledgeable specialists can assist in selecting the right valve for any application .
While Qosina does not publish a separate “model number list” distinct from their catalog numbers, their check valve offerings include the following types and specific examples:
| Qosina Part Number | Product Description | Key Features | Typical Applications |
|---|---|---|---|
| 91050 | High-Flow Check Valve, Barbed | Barbed connections for secure tubing attachment; designed for higher flow rates | Fluid transfer sets, drainage systems, high-volume applications |
| Multiple Parts | Duckbill Check Valves | Silicone construction; precise cracking pressure; normally closed design | Catheters, respiratory devices, infusion systems, wound drainage |
| Multiple Parts | Umbrella Check Valves | Flexible umbrella-shaped diaphragm; low pressure operation | Venting applications, low-pressure fluid control, pressure relief |
| Multiple Parts | Ball Check Valves | Spherical sealing element; reliable sealing in various orientations | Implantable devices, precision fluid control, drug delivery |
| Multiple Parts | Diaphragm Check Valves | Flexible diaphragm for bubble-tight sealing | IV sets, blood handling, sterile fluid pathways |
Qosina’s check valves are available in various configurations, including barbed, luer lock, and other connection types, ensuring compatibility with a wide range of medical device designs.
Duckbill Valve Key Application Scenarios in Medical and Pharmaceutical Industries
Qosina’s silicone duckbill valves and other check valves serve critical functions across a vast range of medical applications :
Infusion and Drug Delivery
In IV sets and drug delivery systems, check valves prevent backflow and ensure that medication flows only in the intended direction, protecting patient safety and maintaining dosage accuracy.
Respiratory Care
Duckbill valves are essential components in respiratory devices, including CPAP masks, ventilators, and resuscitation bags, where they ensure that exhaled air does not contaminate the incoming fresh air stream.
Catheters and Drainage Systems
In urinary catheters and wound drainage systems, check valves prevent retrograde flow, reducing the risk of infection and ensuring effective drainage.
Diagnostic Equipment
Blood analyzers, point-of-care testing devices, and other diagnostic instruments rely on precision check valves for accurate fluid handling and sample processing.
Surgical Instruments
Suction and irrigation devices used in surgery incorporate check valves to maintain one-way flow and prevent contamination of the surgical site.
DuckBill Valve Global Presence and Industry Engagement
Qosina actively engages with the medical device community through participation in major industry events and sponsorships:
February 2026: Medical Alley Summit Sponsorship
Qosina announced that it will serve as a sponsor of the 2026 Medical Alley Summit, taking place on February 12, 2026, at the Four Seasons Hotel Minneapolis . This premier gathering connects medical device leaders and innovators, and Qosina’s sponsorship reinforces their commitment to the industry .
February 2026: MD&M West 2026
Qosina exhibited at MD&M West, February 3–5 at the Anaheim Convention Center, with an expanded presence and a renewed focus on innovation, education, and industry connections . This annual event is the largest medical device conference in North America, and Qosina’s participation demonstrates their leadership in the component supply space.
Student Education Initiative
In collaboration with Informa Markets, Qosina launched a Student Education Initiative to empower the next generation of MedTech engineers. Building on more than four decades of collaboration, this program reflects Qosina’s investment in the future of the medical device industry .
How to Contact Qosina and Access Their Products
Qosina sells directly to medical device manufacturers and other qualified customers. Their products are available from inventory, and their team is ready to assist with product selection, samples, and volume pricing.
Primary Contact Information:
- Website: www.qosina.com
- Phone: +1 631-242-3000 (Headquarters)
- Email: [email protected] (General Inquiries)
- Address: 61 Lamar Street, West Babylon, NY 11704, USA (Note: This is their primary location, though their website lists Ronkonkoma operations)
To Request Samples:
Qualified customers can request complimentary samples to test components with their designs before purchasing. This service eliminates risk and ensures the right fit for each application .
For Custom Sourcing Requests:
Qosina’s knowledgeable specialists are available to assist with sourcing custom components, tool modifications, sub-assemblies, or specialty tubing to meet specific requirements .
Qosmedix: Serving the Beauty and Cosmetic Industry
In addition to medical components, Qosina operates Qosmedix, a global, full-service provider of wholesale beauty supplies for the cosmetic, spa, and salon industries . Founded in 1987, Qosmedix offers a vast inventory of disposable applicators, makeup brushes, cosmetic packaging, measuring devices, and manicure/pedicure implements . This division extends Qosina’s commitment to hygienic single-use products into the beauty sector.
Conclusion
For over 45 years, Qosina Corporation has been the trusted partner for medical device manufacturers seeking high-quality, single-use components without the burden of tooling costs and long lead times. Their comprehensive catalog, which includes silicone duckbill valves and a wide range of other check valves, is backed by multiple ISO certifications and a team of knowledgeable specialists ready to assist with every project.
Whether you are developing a next-generation infusion pump, a respiratory care device, or a diagnostic instrument, Qosina offers the components, the quality, and the service to bring your design to life. Contact them today at +1 631-242-3000 or visit www.qosina.com to explore their product catalog and request your complimentary samples.