Cleared Traditional

K923477 - 3.5MM UNIVERSAL COMPRESSION SCREW

K923477 is the FDA 510(k) clearance for 3.5MM UNIVERSAL COMPRESSION SCREW by Howmedica Corp.. It is a Class 2 Orthopedic device (product code HWC) cleared through the Traditional 510(k) pathway after a 274-day FDA review.

K923477 · Howmedica Corp. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Mar 1993
Decision
274d
Days
Class 2
Risk

K923477 is an FDA 510(k) clearance for the 3.5MM UNIVERSAL COMPRESSION SCREW. Classified as Screw, Fixation, Bone (product code HWC), Class II - Special Controls.

Submitted by Howmedica Corp. (Rutherford, US). The FDA issued a Cleared decision on March 19, 1993 after a review of 274 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3040 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Orthopedic review framework, consistent with the majority of Class II 510(k) submissions.

View all Howmedica Corp. devices

Submission Details

510(k) Number K923477 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 18, 1992
Decision Date March 19, 1993
Days to Decision 274 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
152d slower than avg
Panel avg: 122d · This submission: 274d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HWC Screw, Fixation, Bone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3040
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 - HWC Screw, Fixation, Bone

All 563
Devices cleared under the same product code (HWC) and FDA review panel - the closest regulatory comparables to K923477.
IMPLEX ACETABULAR CUP SCREW SYSTEM
K931187 · Implex Corp. · Feb 1994
INTERFERENCE-CANNU-FLEX/SILK SCREWS-SCREW DR/G WIR
K921481 · Acufex Microsurgical, Inc. · Aug 1993
ACUTRACT
K930834 · Acu Med, Inc. · Jul 1993
ARTHREX CANNULATED INTERFERENCE SCREW
K915424 · Arthrex, Inc. · Feb 1993
ACUFEX FIXATION POST
K924514 · Acufex Microsurgical, Inc. · Oct 1992
CONCEPT ENDOSTEAL FIXATION DEVICE
K912640 · Concept, Inc. · May 1992