Cleared Traditional

K895978 - CHIBA SPINAL SYSTEM (FDA 510(k) Clearance)

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

K895978 · Danek Medical, Inc. · Orthopedic device
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Aug 1990
Decision
301d
Days
Class 2
Risk

K895978 is an FDA 510(k) clearance for the CHIBA SPINAL SYSTEM. Classified as Appliance, Fixation, Spinal Interlaminal (product code KWP), Class II - Special Controls.

Submitted by Danek Medical, Inc. (Memphis, US). The FDA issued a Cleared decision on August 9, 1990 after a review of 301 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3050 - 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 Danek Medical, Inc. devices

Submission Details

510(k) Number K895978 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 12, 1989
Decision Date August 09, 1990
Days to Decision 301 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
179d slower than avg
Panel avg: 122d · This submission: 301d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWP Appliance, Fixation, Spinal Interlaminal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3050
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.