Cleared Traditional

K131611 - FRESENIUS DRY ACID DISSOLUTION UNITS (FDA 510(k) Clearance)

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

K131611 · Fresenius Medical Care North America · Gastroenterology & Urology device
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Aug 2013
Decision
87d
Days
Class 2
Risk

K131611 is an FDA 510(k) clearance for the FRESENIUS DRY ACID DISSOLUTION UNITS. Classified as Dialysate Concentrate For Hemodialysis (liquid Or Powder) (product code KPO), Class II - Special Controls.

Submitted by Fresenius Medical Care North America (Waltham, US). The FDA issued a Cleared decision on August 29, 2013 after a review of 87 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 Fresenius Medical Care North America devices

Submission Details

510(k) Number K131611 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 03, 2013
Decision Date August 29, 2013
Days to Decision 87 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
43d faster than avg
Panel avg: 130d · This submission: 87d
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 122
Devices cleared under the same product code (KPO) and FDA review panel - the closest regulatory comparables to K131611.
NaturaLyte® Dry Bicarbonate Concentrate (08-4112-2)
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Bicarby Dialysate RFP-404 (RFP-404-W)
K252180 · Fresenius Medical Care Renal Therapies Group, LLC · Sep 2025
Bicarby Dialysate RFP-402 (RFP-402-G)
K243786 · Fresenius Medical Care Renal Therapies Group, LLC · Apr 2025
HemoCare Bicarbonate Concentrate Set (BCS)
K240920 · Deka Research and Development · Jul 2024
pureFLOW 402 (F00012067)
K233950 · Fresenius Medical Care Renal Therapies Group, LLC · May 2024
NxStage PureFlow Solution
K233213 · Nxstage Medical, Inc. · Jan 2024