Cleared Traditional

K973231 - THE CORIFIX DYNAMIC HIP SCREW SYSTEM

K973231 is an FDA 510(k) clearance for THE CORIFIX DYNAMIC HIP SCREW SYSTEM, manufactured by Corin USA. The device is a Class 2 Orthopedic device with product code KTT cleared through the Traditional 510(k) pathway after a 85-day FDA review.

K973231 · Corin USA · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1997
Decision
85d
Days
Class 2
Risk

K973231 is an FDA 510(k) clearance for the THE CORIFIX DYNAMIC HIP SCREW SYSTEM. Classified as Appliance, Fixation, Nail/blade/plate Combination, Multiple Component (product code KTT), Class II - Special Controls.

Submitted by Corin USA (Tampa, US). The FDA issued a Cleared decision on November 20, 1997 after a review of 85 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3030 - the FDA orthopedic device regulatory framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Corin USA devices

FDA 510(k) Submission Details - K973231

510(k) Number K973231 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 27, 1997
Decision Date November 20, 1997
Days to Decision 85 days
Submission Type Traditional
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
37d faster than avg
Panel avg: 122d · This submission: 85d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KTT Device Classification - Class 2, Special Controls

Product Code KTT Appliance, Fixation, Nail/blade/plate Combination, Multiple Component
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3030
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 - KTT Appliance, Fixation, Nail/blade/plate Combination, Multiple Component

All 303
Devices cleared under the same product code (KTT) and FDA review panel - the closest regulatory comparables to K973231.
BIOSYMMETRIC PROXIMAL INTERPHALANGEAL JOINT FIXATOR
K980370 · Biomet, Inc. · Apr 1998
FRIEDL GLIDING NAIL SYSTEM
K974409 · Plus Orthopedics · Feb 1998
SYNTHES CANNULATED ANGLE BLADE PLATE (CABP) SYSTEM
K974537 · Synthes (Usa) · Feb 1998
HOFFMANN II COMPACT PERIARTICULAR CLAMP
K973321 · Howmedica, Inc. · Nov 1997
SYNTHES COMBINATION CLAMP AND DYNAMIZATION CLIP
K973017 · Synthes (Usa) · Oct 1997
DEPUY AE TK2 HIP SCREW SYSTEM
K972629 · Depuy, Inc. · Oct 1997