Cleared Traditional

INNOFLUOR PHENYTOIN ASSAY SYSTEM (K955562) - FDA 510(k) Clearance

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jan 1996
Decision
49d
Days
Class 2
Risk

K955562 is an FDA 510(k) clearance for the INNOFLUOR PHENYTOIN ASSAY SYSTEM. Classified as Fluorescence Polarization Immunoassay, Diphenylhydantoin (total) (product code LGR), Class II - Special Controls.

Submitted by Oxis Intl., Inc. (Portland, US). The FDA issued a Cleared decision on January 24, 1996 after a review of 49 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3350 - the FDA toxicology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Oxis Intl., Inc. devices

Submission Details

510(k) Number K955562 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 06, 1995
Decision Date January 24, 1996
Days to Decision 49 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
38d faster than avg
Panel avg: 87d · This submission: 49d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LGR Fluorescence Polarization Immunoassay, Diphenylhydantoin (total)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3350
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 Toxicology devices follow this clearance model.

Regulatory Peers - LGR Fluorescence Polarization Immunoassay, Diphenylhydantoin (total)

All 14
Devices cleared under the same product code (LGR) and FDA review panel - the closest regulatory comparables to K955562.
AXSYM PHENYTOIN II
K953840 · Abbott Laboratories · Sep 1995
TDX(R)/TDXFLX(R) PHENYTOIN II
K946328 · Abbott Laboratories · Mar 1995
AXSYM PHENYTOIN ASSAY
K935375 · Abbott Laboratories · Jun 1994
COBAS-FP REAGENT FOR PHENYTOIN AND COBA-FP PHENYTOIN CALIBRATORS
K936131 · Roche Diagnostic Systems, Inc. · Mar 1994
COBAS FP REAGENTS FOR PHENYTOIN & CALIBR
K843824 · Roche Diagnostic Systems, Inc. · Feb 1985
PHENYTOIN RADIOIMMUNOASSAY USING THE ARIA HT SYSTE
K844171 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Dec 1984