Cleared Traditional

KSF POSTERIOR SPINGAL FIXATOR FOR SEVERE SPONDYLOLISTHESIS (K950999) - FDA 510(k) Clearance

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

K950999 · Buckman Co., Inc. · Orthopedic device
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Jan 1996
Decision
328d
Days
Class 2
Risk

K950999 is an FDA 510(k) clearance for the KSF POSTERIOR SPINGAL FIXATOR FOR SEVERE SPONDYLOLISTHESIS. Classified as Orthosis, Spondylolisthesis Spinal Fixation (product code MNH), Class II - Special Controls.

Submitted by Buckman Co., Inc. (Concord, US). The FDA issued a Cleared decision on January 25, 1996 after a review of 328 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3070 - 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. Elevated predicate reliance profile. 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 Buckman Co., Inc. devices

Submission Details

510(k) Number K950999 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 03, 1995
Decision Date January 25, 1996
Days to Decision 328 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
206d slower than avg
Panel avg: 122d · This submission: 328d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MNH Orthosis, Spondylolisthesis Spinal Fixation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3070
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 - MNH Orthosis, Spondylolisthesis Spinal Fixation

All 39
Devices cleared under the same product code (MNH) and FDA review panel - the closest regulatory comparables to K950999.
SYNTHES (U.S.A.) UNIVERSAL SPINAL PARALLEL CONNECTOR
K962608 · Synthes (Usa) · Dec 1996
VERSALOK SCREW ASSEMBLY (PROPOSED NAME)
K961572 · Wrightmedicaltechnologyinc · Sep 1996
MOSS MIAMI SPINAL SYSTEM (ANTERIOR USE)
K953915 · Depuy, Inc. · Feb 1996
OSTEONICS SPINAL SYSTEM
K951725 · Osteonics Corp. · Sep 1995
SYNTHES (U.S.A.) UNIVERSAL SPINAL HOOK, ROD AND PEDICLE/SACRAL SCREW FIXATION SYSTEM
K951626 · Synthes (Usa) · Aug 1995
SYNTHES (USA) UNIV. SCREW FIXATION SYSTEM (TITANIUM)
K951794 · Synthes (Usa) · Aug 1995