Cleared Traditional

IONOMETER EH-F AND ACCESSORIES (K901040) - FDA 510(k) Clearance

Class II Chemistry device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K901040 · Fresenius USA, Inc. · Chemistry device
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Jul 1990
Decision
135d
Days
Class 2
Risk

K901040 is an FDA 510(k) clearance for the IONOMETER EH-F AND ACCESSORIES. Classified as Electrode, Ion Specific, Sodium (product code JGS), Class II - Special Controls.

Submitted by Fresenius USA, Inc. (Concord, US). The FDA issued a Cleared decision on July 19, 1990 after a review of 135 days - within the typical 510(k) review window.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1665 - the FDA in vitro diagnostics and chemistry framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Chemistry review framework, consistent with the majority of Class II 510(k) submissions.

View all Fresenius USA, Inc. devices

Submission Details

510(k) Number K901040 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 06, 1990
Decision Date July 19, 1990
Days to Decision 135 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
47d slower than avg
Panel avg: 88d · This submission: 135d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JGS Electrode, Ion Specific, Sodium
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1665
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Chemistry devices follow this clearance model.

Regulatory Peers - JGS Electrode, Ion Specific, Sodium

All 54
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