Cleared Traditional

K173718 - Liberty Cycler Set (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 2018
Decision
147d
Days
Class 2
Risk

K173718 is an FDA 510(k) clearance for the Liberty Cycler Set. Classified as System, Peritoneal, Automatic Delivery (product code FKX), Class II - Special Controls.

Submitted by Fresenius Medical Care Renal Therapies Group, LLC (Waltham, US). The FDA issued a Cleared decision on May 1, 2018 after a review of 147 days - within the typical 510(k) review window.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5630 - 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 Fresenius Medical Care Renal Therapies Group, LLC devices

Submission Details

510(k) Number K173718 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 05, 2017
Decision Date May 01, 2018
Days to Decision 147 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
17d slower than avg
Panel avg: 130d · This submission: 147d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FKX System, Peritoneal, Automatic Delivery
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5630
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 - FKX System, Peritoneal, Automatic Delivery

All 82
Devices cleared under the same product code (FKX) and FDA review panel - the closest regulatory comparables to K173718.
Archimedes Pro Automated Peritoneal Dialysis Cycler (3014-00000-1)
K250523 · Simergent, LLC · Oct 2025
Byonyks X-1 APD Cycler
K243371 · Byonyks Pvt, Ltd. · May 2025
Digital Dialysis Clinic - Intelligent Dialysis Assistant (IDA) with Medical Supervision Portal and IDA Smartphone App
K220935 · Iren-Medical, Ltd. · Dec 2022
Fresenius Liberty Select Cycler
K222318 · Fresenius Medical Care Renal Therapies Group, LLC · Oct 2022
Lilliput APD System
K212522 · Fresenius Medical Care Renal Therapies Group, LLC · Apr 2022
CloudCath Peritoneal Dialysis Drain Set Monitoring System
K212658 · Cloudcath · Feb 2022