Cleared Traditional

WESTERN DIALYSIS HEMODIALYSIS CONCENTRATE (K941958) - FDA 510(k) Clearance

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

K941958 · Western Dialysis Supplies , Ltd. · Gastroenterology & Urology device
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Sep 1994
Decision
161d
Days
Class 2
Risk

K941958 is an FDA 510(k) clearance for the WESTERN DIALYSIS HEMODIALYSIS CONCENTRATE. Classified as Dialysate Concentrate For Hemodialysis (liquid Or Powder) (product code KPO), Class II - Special Controls.

Submitted by Western Dialysis Supplies , Ltd. (Calgary, Alberta, CA). The FDA issued a Cleared decision on September 30, 1994 after a review of 161 days - an extended review 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: 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 Western Dialysis Supplies , Ltd. devices

Submission Details

510(k) Number K941958 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 22, 1994
Decision Date September 30, 1994
Days to Decision 161 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
31d slower than avg
Panel avg: 130d · This submission: 161d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KPO Dialysate Concentrate For Hemodialysis (liquid Or Powder)
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.

Regulatory Peers - KPO Dialysate Concentrate For Hemodialysis (liquid Or Powder)

All 26
Devices cleared under the same product code (KPO) and FDA review panel - the closest regulatory comparables to K941958.
Citric Complete Dry Citric Acid (45X)
K171750 · Dimesol USA, LLC · Mar 2018
ACID CONCENTRATE 45X (2.0K, 3.1CA), MODEL 5M8001A, ACID CONCENTRATE 45X (2.0K, 2.5CA), MODEL 5M8002A
K090002 · Baxter Healthcare Corp · Aug 2009
ACCUSOL DIALYSIS SOLUTION
K041428 · Baxter Healthcare Corp · Aug 2004
PREMIXED DIALYSATE FOR HEMODIAFILTRATION
K910270 · Baxter Healthcare Corp · Apr 1991
BIASOL LIQUID CONCENTRATES, ADD'L ACID CONCENTRATE
K895199 · Baxter Healthcare Corp · Dec 1989
BIASOL POWDER CONCENTRATES FOR BICARB. DIALYSIS
K884725 · Baxter Healthcare Corp · Jan 1989