Cleared Traditional

Aristotle Colossus Guidewire (K222437) - FDA 510(k) Clearance

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

K222437 · Scientia Vascular, Inc. · Neurology device
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Jan 2023
Decision
167d
Days
Class 2
Risk

K222437 is an FDA 510(k) clearance for the Aristotle Colossus Guidewire. Classified as Guide, Wire, Catheter, Neurovasculature (product code MOF), Class II - Special Controls.

Submitted by Scientia Vascular, Inc. (West Valley City, US). The FDA issued a Cleared decision on January 26, 2023 after a review of 167 days - an extended review cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 870.1330 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Scientia Vascular, Inc. devices

Submission Details

510(k) Number K222437 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 12, 2022
Decision Date January 26, 2023
Days to Decision 167 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
19d slower than avg
Panel avg: 148d · This submission: 167d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MOF Guide, Wire, Catheter, Neurovasculature
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1330
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.

Regulatory Peers - MOF Guide, Wire, Catheter, Neurovasculature

All 29
Devices cleared under the same product code (MOF) and FDA review panel - the closest regulatory comparables to K222437.
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Aristotle 14 Guidewire
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RADIFOCUS Torque Device
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Columbus Guidewire
K200374 · Rapid Medical , Ltd. · Dec 2020
Synchro SELECT Guidewire
K202522 · Stryker Neurovascular · Sep 2020