Cleared Traditional

K881160 - CRANK FRAME RETRACTOR (FDA 510(k) Clearance)

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

K881160 · T. Korossurgical Instruments Corp. · Neurology device
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Apr 1988
Decision
19d
Days
Class 2
Risk

K881160 is an FDA 510(k) clearance for the CRANK FRAME RETRACTOR. Classified as Retractor, Self-retaining, For Neurosurgery (product code GZT), Class II - Special Controls.

Submitted by T. Korossurgical Instruments Corp. (Moorepark, US). The FDA issued a Cleared decision on April 6, 1988 after a review of 19 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.4800 - the FDA neurology device 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 T. Korossurgical Instruments Corp. devices

Submission Details

510(k) Number K881160 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 18, 1988
Decision Date April 06, 1988
Days to Decision 19 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
129d faster than avg
Panel avg: 148d · This submission: 19d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GZT Retractor, Self-retaining, For Neurosurgery
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.4800
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 Neurology devices follow this clearance model.