Duns Number:619834542
Device Description: INTENDED USEAn enzyme-linked immunosorbent assay (ELISA) for the quantitative determinatio INTENDED USEAn enzyme-linked immunosorbent assay (ELISA) for the quantitative determination of Total and Free Protein S Antigen in citrated human plasma. For In Vitro Diagnostic Use.SUMMARY AND EXPLANATION OF THE PROTEIN S TESTProtein S is a vitamin K-dependent protein synthesized in the liver, vascular endothelium, and megakaryocytes, which plays an important physiologic role in the Protein C Anticoagulant System. This anticoagulant system is one of the major regulators of hemostasis by inhibiting clot formation and by promoting fibrinolysis. Protein S functions as a cofactor for activated Protein C on the vascular membrane to facilitate the degradation of clotting factors Va and VIIIa, downregulating clot formation. In normal plasma approximately 40% of Protein S circulates as a free molecule, while 60% is complexed with C4b, a plasma protein of the classical complement pathway. Only Free Protein S is functionally active and able to bind to activated Protein C, while the complexed form of Protein S is not.Protein S deficiency, either congenital or acquired, may lead to serious thrombotic events such as thrombophlebitis, deep vein thrombosis, or pulmonary embolism. The prevalence of Protein S deficiency has been estimated to be less than 1 case per 300 in the general population. Two-thirds of patients with a congenital deficiency of Protein S (levels less than 50% of normal) may present with venous thrombosis in young adulthood. In young patients (<35 years) with a history of thrombosis, the prevalence may be as high as 15 to 18%.7 Acquired Protein S deficiency may be seen during pregnancy, oral contraceptive or oral anticoagulant therapy, liver disease, diabetes mellitus, postoperative complications, septicemia and various inflammatory syndromes.8 A decreased Protein S activity in plasma may be the result of low concentrations or abnormal function of the Protein S molecule.Refer to Product Package Insert.
Catalog Number
036-001
Brand Name
REAADS Protein S Antigen Test kit
Version/Model Number
036-001
Device Commercial Distribution Status
In Commercial Distribution
Commercial Distribution End Date
-
Issuing Agency
In GS1
MRI safety Status
Labeling does not contain MRI Safety Information
Device required to be labeled as containing natural rubber latex or dry natural rubber (21 CFR 801.437)
-
Device labeled as "Not made with natural rubber latex"
-
For Single-Use
Yes
Prescription Use (Rx)
Yes
Over the Counter (OTC)
-
Kit
-
Combination Product
-
Human Cell, Tissue or Cellular or Tissue-Based Product (HCT/P)
-
FDA Premarket Submission
K972482
Product Code
GGP
Product Code Name
Test, Qualitative And Quantitative Factor Deficiency
Public Device Record Key
6e9ca558-82d9-4c25-8c72-c2771649db7a
Public Version Date
July 06, 2018
Public Version Number
3
DI Record Publish Date
July 14, 2016
Package DI Number
None
Quantity per Package
-
Contains DI Package
-
Package Discontinue Date
-
Package Status
-
Package Type
-
Device Class | Device Class Description | No of Devices |
---|---|---|
2 | A medical device with a moderate to high risk that requires special controls. | 27 |