Cleared Special

K231636 - LnK Spinal Fixation System /OpenLoc-L Spinal Fixation System, AccelFix Spinal Fixation System. (FDA 510(k) Clearance)

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

K231636 · L & K Biomed Co., Ltd. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 2023
Decision
22d
Days
Class 2
Risk

K231636 is an FDA 510(k) clearance for the LnK Spinal Fixation System /OpenLoc-L Spinal Fixation System, AccelFix Spinal.... Classified as Thoracolumbosacral Pedicle Screw System within the NKB classification (a category for thoracolumbosacral pedicle screw systems), Class II - Special Controls.

Submitted by L & K Biomed Co., Ltd. (Yongin-Si, KR). The FDA issued a Cleared decision on June 27, 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 888.3070 - 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 K231636 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 05, 2023
Decision Date June 27, 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 NKB Thoracolumbosacral Pedicle Screw System
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3070
Definition Intended To Provide Immobilization And Stabilization Of Spinal Segments In Thoracic, Lumbar, And Sacral Spine As An Adjunct To 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 - NKB Thoracolumbosacral Pedicle Screw System

All 895
Devices cleared under the same product code (NKB) and FDA review panel - the closest regulatory comparables to K231636.
PERLA® TL Posterior Thoraco-lumbar Fixation System
K253966 · Spineart SA · May 2026
LEO Spinal System
K252542 · ZheJiang Decans Medical Devices Co., Ltd. · Apr 2026
M.U.S.T. Pedicle Screw System - Extension
K253940 · Medacta International S.A. · Apr 2026
CD Horizon™ ModuLeX™ Fenestrated Screw Set
K260216 · Medtronic Sofamor Danek USA, Inc. · Apr 2026
ARx® SAI Implant System
K254274 · Life Spine, Inc. · Apr 2026
KHEIRON® Spinal Fixation System, including patient specific K-ROD
K260786 · S.M.A.I.O · Apr 2026