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Seikagaku Corp.

US

Last updated May 24, 2026

Part of Seikagaku Corporation

What Seikagaku Corp. makes

Seikagaku Corp. manufactures synovial fluid supplementation media, including cross-linked hyaluronate and sodium hyaluronate formulations. These products are designed for intra-articular joint injections to support lubrication and cushioning in osteoarthritis treatment. Examples include cross-linked hyaluronate gels, sodium hyaluronate solutions, and pre-filled syringe formulations for direct administration.

The company’s portfolio includes devices classified as Class I and Class III under FDA regulations, with some products authorised via 510(k), PMA, and UDI pathways. These products are listed in the FDA’s regulatory databases, and the company operates from the United States.

Written from this company's registered devices by an AI model, and not verified by a human reviewer.

Frequently asked questions

What types of medical devices does Seikagaku Corp. manufacture?

Seikagaku Corp. specialises in synovial fluid supplementation media, specifically formulations like cross-linked hyaluronate and sodium hyaluronate. These devices are designed to be injected into joints to help restore lubrication and cushioning, primarily for osteoarthritis treatment. Examples include gel-based and liquid formulations, often delivered via pre-filled syringes.

Where is Seikagaku Corp. based, and how does that affect its regulatory standing?

Seikagaku Corp. is based in the United States, which means its devices are subject to FDA regulations. The company’s products are authorised through pathways like 510(k), PMA, and UDI listings, reflecting compliance with U.S. medical device classification standards. The FDA’s regulatory databases include entries for these devices, ensuring transparency in their authorised status.

Which regulatory registries list Seikagaku Corp.’s devices, and why?

Seikagaku Corp.’s devices appear in the FDA’s 510(k), PMA, and UDI registries because these pathways are used to authorise different classes of medical devices. Class I devices (generally low-risk) may require less stringent premarket review, while Class III devices (higher-risk) undergo rigorous evaluation via PMA. The UDI system ensures unique identification for traceability and compliance tracking.

How are Seikagaku Corp.’s devices classified under FDA regulations?

Seikagaku Corp.’s devices are classified as either Class I or Class III under FDA regulations. Class I devices, like some synovial supplementation products, are typically low-risk and may only require general controls. Class III devices, which often involve higher-risk procedures or patient implants, require premarket approval (PMA) due to insufficient data from less stringent pathways, ensuring their safety and effectiveness.

Why do some of Seikagaku Corp.’s devices require premarket approval (PMA) while others use 510(k)?

The FDA assigns device classifications based on risk and intended use. Class III devices, such as certain synovial supplementation products, require PMA because they pose higher risks—like potential adverse reactions or lack of adequate safety data from less rigorous pathways. In contrast, Class I devices (e.g., some hyaluronate formulations) may qualify for 510(k) clearance if they can demonstrate substantial equivalence to a legally marketed predicate device, reducing regulatory burden for lower-risk products.

AI-generated from registry data and not verified by a human reviewer.

Information

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US
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Catalogue (8)

DeviceModel / ReferenceRegistriesClassStatus
Gel-One® Cross-linked Hyaluronate 00-1111-001-00
FDA UDI
Class IIIActive
Gel-One® Cross-linked Hyaluronate 00-1111-001-00
FDA UDI
Class IIIUnknown
SUPARTZ FX sodium hyaluronate 89130-4444-1
FDA UDI
Class IIIActive
SUPARTZ® sodium hyaluronate 89130-5555-01
FDA UDI
Class IIIUnknown
VISCO-3 sodium hyaluronate 00-1111-001-03
FDA UDI
Class IIIActive
Hadgel, 4 Gram/Syringe K011544
FDA 510(k)
Class IActive
Supartz P980044
FDA PMA
Class IIIActive
Gel-One P080020
FDA PMA
Class IIIActive

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