Cleared Traditional

MICRUS MICROCOIL SYSTEMS, MODELS HEL, SPH, STR, FSR AND HSR (K031578) - FDA 510(k) Clearance

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

K031578 · Micrus Corp. · Neurology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2003
Decision
73d
Days
Class 2
Risk

K031578 is an FDA 510(k) clearance for the MICRUS MICROCOIL SYSTEMS, MODELS HEL, SPH, STR, FSR AND HSR. Classified as Device, Neurovascular Embolization (product code HCG), Class II - Special Controls.

Submitted by Micrus Corp. (Sunnyvale, US). The FDA issued a Cleared decision on August 1, 2003 after a review of 73 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.5950 - 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 Micrus Corp. devices

Submission Details

510(k) Number K031578 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 20, 2003
Decision Date August 01, 2003
Days to Decision 73 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
75d faster than avg
Panel avg: 148d · This submission: 73d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HCG Device, Neurovascular Embolization
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.5950
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 - HCG Device, Neurovascular Embolization

All 184
Devices cleared under the same product code (HCG) and FDA review panel - the closest regulatory comparables to K031578.
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K242154 · MicroPort NeuroTech (Shanghai) Co., Ltd. · Sep 2024