Cleared Traditional

WATER PURIFICATION SYSTEM (K022448) - FDA 510(k) Clearance

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

K022448 · Purity Water Company of San Antonio, Inc. · Gastroenterology & Urology device
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Optimized for regulatory review, auditing and printing
May 2003
Decision
306d
Days
Class 2
Risk

K022448 is an FDA 510(k) clearance for the WATER PURIFICATION SYSTEM. Classified as Subsystem, Water Purification (product code FIP), Class II - Special Controls.

Submitted by Purity Water Company of San Antonio, Inc. (San Antonio, US). The FDA issued a Cleared decision on May 28, 2003 after a review of 306 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5665 - 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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Gastroenterology & Urology review framework, consistent with the majority of Class II 510(k) submissions.

View all Purity Water Company of San Antonio, Inc. devices

Submission Details

510(k) Number K022448 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 26, 2002
Decision Date May 28, 2003
Days to Decision 306 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
176d slower than avg
Panel avg: 130d · This submission: 306d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FIP Subsystem, Water Purification
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5665
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.

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