KTT · Class II · 21 CFR 888.3030

FDA Product Code KTT: Appliance, Fixation, Nail/blade/plate Combination, Multiple Component

Under FDA product code KTT, nail/blade/plate combination fixation appliances are cleared for the treatment of peritrochanteric and subtrochanteric hip fractures.

These hybrid implants combine an intramedullary nail or blade with a plate component to provide both axial and rotational stability at the fracture site. They are the standard of care for unstable intertrochanteric femur fractures in elderly patients.

KTT devices are Class II medical devices, regulated under 21 CFR 888.3030 and reviewed by the FDA Orthopedic panel.

Leading manufacturers include Paragon 28, Inc., OrthoPediatrics Corp. and Stryker GmbH.

403
Total
403
Cleared
107d
Avg days
1979
Since
Growing category - 18 submissions in the last 2 years vs 9 in the prior period
Consistent review times: 103d avg (recent)

FDA 510(k) Cleared Appliance, Fixation, Nail/blade/plate Combination, Multiple Component Devices (Product Code KTT)

403 devices
1–24 of 403
Cleared Apr 17, 2026
DYNEX® External Fixation Systems
K260900
Vilex, LLC
Orthopedic · 30d
Cleared Mar 23, 2026
QuikFix External Fixator: Knee-Spanning Pack
K260112
Stabiliz Orthopaedics, Inc.
Orthopedic · 68d
Cleared Jan 20, 2026
Excelsior System
K253291
Blue Ocean Global
Orthopedic · 113d
Cleared Dec 19, 2025
Hoffmann LRF System
K253202
Stryker GmbH
Orthopedic · 84d
Cleared Dec 19, 2025
Monkey Rings External Ring Fixation System
K253613
Paragon 28, Inc.
Orthopedic · 31d
Cleared Nov 25, 2025
Medusa Orthopedics Boa External Fixation System
K252555
Medusa Orthopedics, LLC
Orthopedic · 104d
Cleared Nov 20, 2025
The Response Ortho Smart Fixator - Hexapod System
K252625
Response Ortho Solutions, LLC
Orthopedic · 93d
Cleared Sep 30, 2025
External Fixation Mini Rail System
K252106
Paragon 28, Inc.
Orthopedic · 89d
Cleared Aug 11, 2025
External Fixation Bone Distractor
K251862
Paragon 28, Inc.
Orthopedic · 55d
Cleared Aug 08, 2025
SixFix™ Hexapod Fixator and Deformity Analysis and Correction Software (DACS)
K250472
Amdt Holdings, Inc.
Orthopedic · 171d
Cleared May 07, 2025
Extremity Medical External Fixation System
K251128
Extremity Medical, LLC
Orthopedic · 26d
Cleared Mar 07, 2025
Orthex External Fixation System
K243798
OrthoPediatrics Corp.
Orthopedic · 86d
Cleared Feb 21, 2025
Extremity Medical External Fixation System
K241563
Extremity Medical, LLC
Orthopedic · 266d
Cleared Dec 03, 2024
TrueLok Elevate
K242861
Orthofix Srl
Orthopedic · 74d
Cleared Nov 01, 2024
Monkey Bars Pin to Bar External Fixation System
K242452
Paragon 28, Inc.
Orthopedic · 74d
Cleared Sep 18, 2024
Response Ortho Metaphyseal Hinge Fixator System
K241769
Response Ortho Solutions, LLC
Orthopedic · 90d
Cleared May 30, 2024
Revolution External Plating System
K233025
New Standard Device Dba Metalogix
Orthopedic · 251d
Cleared May 29, 2024
LINK(TM) External Fixator
K240049
Metric Medical Devices, Inc.
Orthopedic · 142d
Cleared Dec 21, 2023
Hoffmann LRF System
K233741
Stryker GmbH
Orthopedic · 29d
Cleared Nov 30, 2023
Auxein's DHS/DCS Plate System
K221787
Auxein Medical Private Limited
Orthopedic · 527d
Cleared Oct 18, 2023
Arthrex Small External Fixation System
K232897
Arthrex, Inc.
Orthopedic · 30d
Cleared Oct 12, 2023
Monkey RingsTM External Fixation System
K232838
Paragon 28, Inc.
Orthopedic · 28d
Cleared Jul 26, 2023
DEPUY SYNTHES MAXFRAME AUTOSTRUT System
K231922
DePuy Synthes
Orthopedic · 27d
Cleared Feb 10, 2023
Orthex External Fixation System
K223786
OrthoPediatrics Corp.
Orthopedic · 53d

About Product Code KTT - Regulatory Context

510(k) Submission Activity

403 total 510(k) submissions under product code KTT since 1979, with 403 receiving FDA clearance (average review time: 107 days).

Submission volume has increased in recent years - 18 submissions in the last 24 months compared to 9 in the prior period - suggesting growing market activity in this device classification.

FDA Review Time

FDA review times for KTT submissions have been consistent, averaging 103 days recently vs 107 days historically.

KTT devices are reviewed by the Orthopedic panel. Browse all Orthopedic devices →