Cleared Traditional

K050470 - CONCENTRIC EMBOLIC PEARLS (FDA 510(k) Clearance)

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

K050470 · Concentric Medical, Inc. · Cardiovascular device
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May 2005
Decision
72d
Days
Class 2
Risk

K050470 is an FDA 510(k) clearance for the CONCENTRIC EMBOLIC PEARLS. Classified as Device, Vascular, For Promoting Embolization (product code KRD), Class II - Special Controls.

Submitted by Concentric Medical, Inc. (Mountain View, US). The FDA issued a Cleared decision on May 6, 2005 after a review of 72 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.3300 - the FDA cardiovascular device oversight 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 Concentric Medical, Inc. devices

Submission Details

510(k) Number K050470 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 23, 2005
Decision Date May 06, 2005
Days to Decision 72 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
53d faster than avg
Panel avg: 125d · This submission: 72d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KRD Device, Vascular, For Promoting Embolization
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.3300
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - KRD Device, Vascular, For Promoting Embolization

All 127
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