Cleared Traditional

K874034 - ADR-22 AUTOMATIC DIALYZER REPROCESSOR (FDA 510(k) Clearance)

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

K874034 · Biodynamics Corp. · Gastroenterology & Urology device
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Oct 1987
Decision
18d
Days
Class 2
Risk

K874034 is an FDA 510(k) clearance for the ADR-22 AUTOMATIC DIALYZER REPROCESSOR. Classified as Dialyzer Reprocessing System (product code LIF), Class II - Special Controls.

Submitted by Biodynamics Corp. (Houston, US). The FDA issued a Cleared decision on October 23, 1987 after a review of 18 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5820 - the FDA gastroenterology and urology 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 Biodynamics Corp. devices

Submission Details

510(k) Number K874034 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 05, 1987
Decision Date October 23, 1987
Days to Decision 18 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
112d faster than avg
Panel avg: 130d · This submission: 18d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LIF Dialyzer Reprocessing System
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5820
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 Gastroenterology & Urology devices follow this clearance model.