Cleared Traditional

WHITESIDE BIOMECHANICS CANCELLOUS BONE SCREW (K961157) - FDA 510(k) Clearance

Class II Orthopedic device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K961157 · Whiteside Biomechanics, Inc. · Orthopedic device
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May 1996
Decision
56d
Days
Class 2
Risk

K961157 is an FDA 510(k) clearance for the WHITESIDE BIOMECHANICS CANCELLOUS BONE SCREW. Classified as Screw, Fixation, Bone (product code HWC), Class II - Special Controls.

Submitted by Whiteside Biomechanics, Inc. (Creve Coeur, US). The FDA issued a Cleared decision on May 17, 1996 after a review of 56 days - a notably fast clearance 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: 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 Whiteside Biomechanics, Inc. devices

Submission Details

510(k) Number K961157 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received March 22, 1996
Decision Date May 17, 1996
Days to Decision 56 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
66d faster than avg
Panel avg: 122d · This submission: 56d
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 405
Devices cleared under the same product code (HWC) and FDA review panel - the closest regulatory comparables to K961157.
SYNTHES 7.0/7.3 MM CANNULATED SCREWS
K962011 · Synthes (Usa) · Aug 1996
DEPUY ADVANTAGE FIXATION SCREW SYSTEM
K961234 · Depuy, Inc. · Jun 1996
DEPUY M. KUROSAKA ADVANGE MANGNUM REV. INTERFERENCE SCREWS
K960704 · Depuy, Inc. · Jun 1996
CANNULATED PLUS HIP SCREW (STERILE)
K955837 · Wrightmedicaltechnologyinc · Mar 1996
ARTHREX BIOABSORBABLE INTERFERENCE SCREW
K945303 · Arthrex, Inc. · Jan 1996
DEPUY STAINLESS STEEL SET SCREW
K953650 · Depuy, Inc. · Nov 1995