Cleared Special

K231841 - PathLoc SI Joint Fusion System (FDA 510(k) Clearance)

Class II Orthopedic device cleared through the Special 510(k) pathway - typically does not require clinical trials.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 2023
Decision
22d
Days
Class 2
Risk

K231841 is an FDA 510(k) clearance for the PathLoc SI Joint Fusion System. Classified as Sacroiliac Joint Fixation (product code OUR), Class II - Special Controls.

Submitted by L & K Biomed Co., Ltd. (Yongin-Si, KR). The FDA issued a Cleared decision on July 14, 2023 after a review of 22 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3040 - the FDA orthopedic device regulatory framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all L & K Biomed Co., Ltd. devices

Submission Details

510(k) Number K231841 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 22, 2023
Decision Date July 14, 2023
Days to Decision 22 days
Submission Type Special
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
100d faster than avg
Panel avg: 122d · This submission: 22d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code OUR Sacroiliac Joint Fixation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3040
Definition Sacroiliac Joint Fusion
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 Orthopedic devices follow this clearance model.

Regulatory Peers - OUR Sacroiliac Joint Fixation

All 130
Devices cleared under the same product code (OUR) and FDA review panel - the closest regulatory comparables to K231841.
CATAMARAN™ SI Joint Fusion System
K260477 · Tenon Medical · Apr 2026
iFuse INTRA Ti™ Implant System
K253488 · SI-BONE, Inc. · Feb 2026
Falco Fusion System
K253611 · Mcnicoll Surgical, Inc. · Jan 2026
Sacroiliac Joint Truss System (SJTS)
K252834 · 4Web Medical · Jan 2026
OptumSI Implant System
K251365 · Si Solutions, LLC · Nov 2025
SIros-X System
K252322 · Genesys Spine · Oct 2025