Cleared Traditional

K981680 - ULTRAPURE WATER TREATMENT SYSTEM FOR HE...

K981680 is an FDA 510(k) clearance for ULTRAPURE WATER TREATMENT SYSTEM FOR HE..., manufactured by Dayton Water Systems. The device is a Class 2 Gastroenterology & Urology device with product code FIP cleared through the Traditional 510(k) pathway after a 232-day FDA review.

K981680 · Dayton Water Systems · Gastroenterology & Urology device
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Optimized for regulatory review, auditing and printing
Dec 1998
Decision
232d
Days
Class 2
Risk

K981680 is an FDA 510(k) clearance for the ULTRAPURE WATER TREATMENT SYSTEM FOR HEMODIALYSIS. Classified as Subsystem, Water Purification (product code FIP), Class II - Special Controls.

Submitted by Dayton Water Systems (Dayton, US). The FDA issued a Cleared decision on December 31, 1998 after a review of 232 days - an extended review cycle.

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. Standard predicate reliance. 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 Dayton Water Systems devices

FDA 510(k) Submission Details - K981680

510(k) Number K981680 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 13, 1998
Decision Date December 31, 1998
Days to Decision 232 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
102d slower than avg
Panel avg: 130d · This submission: 232d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

FIP Device Classification - Class 2, Special Controls

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.

Regulatory Peers - FIP Subsystem, Water Purification

All 26
Devices cleared under the same product code (FIP) and FDA review panel - the closest regulatory comparables to K981680.
EON Portable Reverse Osmosis Water Purification System
K171099 · Cantel · Jan 2018
NX STAGE WATER PURIFICATION SYSTEM
K042089 · Nxstage Medical, Inc. · Nov 2004
FIBERFLO HOLLOW FIBER CAPSULE WATER FILTERS
K983126 · Minntech Corp. · Mar 1999
FIBERFLO HOLLOW FIBER CARTRIDGE WATER FILTERS
K954349 · Minntech Corp. · Dec 1995
DIALYSIS MACHINE WITH DIALYSATE ULTRAFILTER
K944767 · Fresenius USA, Inc. · Nov 1995
SERIM HISENSE TEST KIT
K952215 · Serim Research Corp. · Aug 1995