Cleared Traditional

K771560 - TOXHA TEST (FDA 510(k) Clearance)

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

K771560 · Burroughs Wellcome Co. · Toxicology device
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Sep 1977
Decision
31d
Days
Class 2
Risk

K771560 is an FDA 510(k) clearance for the TOXHA TEST. Classified as Antigens, Iha, Toxoplasma Gondii (product code GMM), Class II - Special Controls.

Submitted by Burroughs Wellcome Co. (Mchenry, US). The FDA issued a Cleared decision on September 15, 1977 after a review of 31 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 866.3780 - 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 Burroughs Wellcome Co. devices

Submission Details

510(k) Number K771560 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 15, 1977
Decision Date September 15, 1977
Days to Decision 31 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
56d faster than avg
Panel avg: 87d · This submission: 31d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GMM Antigens, Iha, Toxoplasma Gondii
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.3780
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.