Cleared Special

K121728 - TIGER SPINE SYSTEM (FDA 510(k) Clearance)

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

K121728 · Corelink, LLC · Orthopedic device
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Oct 2012
Decision
115d
Days
Class 2
Risk

K121728 is an FDA 510(k) clearance for the TIGER SPINE SYSTEM. Classified as Thoracolumbosacral Pedicle Screw System within the NKB classification (a category for thoracolumbosacral pedicle screw systems), Class II - Special Controls.

Submitted by Corelink, LLC (Round Rock, US). The FDA issued a Cleared decision on October 5, 2012 after a review of 115 days - within the typical 510(k) review window.

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. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Corelink, LLC devices

Submission Details

510(k) Number K121728 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 12, 2012
Decision Date October 05, 2012
Days to Decision 115 days
Submission Type Special
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
7d faster than avg
Panel avg: 122d · This submission: 115d
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 K121728.
PERLA® TL Posterior Thoraco-lumbar Fixation System
K253966 · Spineart SA · May 2026
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K252542 · ZheJiang Decans Medical Devices Co., Ltd. · Apr 2026
M.U.S.T. Pedicle Screw System - Extension
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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