Cleared Traditional

K210615 - Thompson Brain Retractor Table Mounted (TM), Thompson Brain Retractor Skull Clamp Mounted (SCM) (FDA 510(k) Clearance)

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

K210615 · Thompson Surgical Instruments, Inc. · Neurology device
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May 2022
Decision
438d
Days
Class 2
Risk

K210615 is an FDA 510(k) clearance for the Thompson Brain Retractor Table Mounted (TM), Thompson Brain Retractor Skull C.... Classified as Retractor, Self-retaining, For Neurosurgery (product code GZT), Class II - Special Controls.

Submitted by Thompson Surgical Instruments, Inc. (Traverse, US). The FDA issued a Cleared decision on May 13, 2022 after a review of 438 days - an unusually long review period, suggesting complex equivalence evaluation.

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: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Neurology submissions.

View all Thompson Surgical Instruments, Inc. devices

Submission Details

510(k) Number K210615 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 01, 2021
Decision Date May 13, 2022
Days to Decision 438 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
290d slower than avg
Panel avg: 148d · This submission: 438d
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.