Cleared Traditional

SYSMEX PDA-410 (PARTICLE DISTRIB. ANALY (K822758) - FDA 510(k) Clearance

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

K822758 · Toa Medical Electronics USA, Inc. · Hematology device
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Oct 1982
Decision
34d
Days
Class 2
Risk

K822758 is an FDA 510(k) clearance for the SYSMEX PDA-410 (PARTICLE DISTRIB. ANALY. Classified as Counter, Cell, Automated (particle Counter) (product code GKL), Class II - Special Controls.

Submitted by Toa Medical Electronics USA, Inc. (Mchenry, US). The FDA issued a Cleared decision on October 18, 1982 after a review of 34 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5200 - the FDA hematology 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 Toa Medical Electronics USA, Inc. devices

Submission Details

510(k) Number K822758 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 14, 1982
Decision Date October 18, 1982
Days to Decision 34 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
79d faster than avg
Panel avg: 113d · This submission: 34d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKL Counter, Cell, Automated (particle Counter)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5200
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 Hematology devices follow this clearance model.

Regulatory Peers - GKL Counter, Cell, Automated (particle Counter)

All 129
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