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Colloid Osmometer 4400

by Wescor, Inc.

510(k) K834208

Active United States

510(k)

Valid until

No expiry

510(k) clearance is not time-limited

FDA recalls

None ongoing

2 closed

Documents

Trust

Unverified

Registry data, not yet checked by deviCERTS. Source FDA 510(k), synced 11 Oct 2026. What this means

Regulatory status

as of registry sync 11 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SESE Substantially Equivalent · Traditional NumberK834208 Date23 Mar 1984ClearedStatusActive

Recalls

2 recalls · FDA

  • 2 recalls, same reason

    • Terminated Z-1351-2008 FDA Unclassified (pre-2012) initiated 26 Dec 2007
    • Terminated Z-1350-2008 FDA Unclassified (pre-2012) initiated 26 Dec 2007

    Inaccurate readings; The control does not provide an accurate calibration value/readings when performing Colloid Osmotic Pressure (COP) testing.

Coverage

1 jurisdiction

United States of America
  • Active
  • Expiring
  • Withdrawn
  • Listed
  • Not covered

United States — FDA 510(k) Active

Specification

510(k)

510(k) Number
FDA Product Code
JJM
Device Class
Class I
Regulation
21 CFR Part 862.2730
Advisory Committee
Clinical Chemistry
FDA Decision
SESE Substantially Equivalent

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