Cleared Traditional

K770876 - IMPROVED TRANSGROW (FDA 510(k) Clearance)

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

K770876 · Granite Diagnostics, Inc. · Microbiology device
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Jun 1977
Decision
18d
Days
Class 2
Risk

K770876 is an FDA 510(k) clearance for the IMPROVED TRANSGROW. Classified as Culture Media, For Isolation Of Pathogenic Neisseria (product code JTY), Class II - Special Controls.

Submitted by Granite Diagnostics, Inc. (Mchenry, US). The FDA issued a Cleared decision on June 3, 1977 after a review of 18 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.2410 - the FDA microbiology 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 Granite Diagnostics, Inc. devices

Submission Details

510(k) Number K770876 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 16, 1977
Decision Date June 03, 1977
Days to Decision 18 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
84d faster than avg
Panel avg: 102d · This submission: 18d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JTY Culture Media, For Isolation Of Pathogenic Neisseria
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.2410
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 Microbiology devices follow this clearance model.