Cleared Traditional

K231554 - UniPearls® Embolic Microspheres (FDA 510(k) Clearance)

Nov 2023
Decision
168d
Days
Class 2
Risk

K231554 is an FDA 510(k) clearance for the UniPearls® Embolic Microspheres. This device is classified as a Device, Vascular, For Promoting Embolization (Class II - Special Controls, product code KRD).

Submitted by Suzhou Haowei Medical Technology Co., Ltd. (Suzhou, CN). The FDA issued a Cleared decision on November 14, 2023, 168 days after receiving the submission on May 30, 2023.

This device falls under the Gastroenterology & Urology FDA review panel. Regulated under 21 CFR 870.3300.

Submission Details

510(k) Number K231554 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 30, 2023
Decision Date November 14, 2023
Days to Decision 168 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF

Device Classification

Product Code KRD - Device, Vascular, For Promoting Embolization
Device Class Class II - Special Controls
CFR Regulation 21 CFR 870.3300

Similar Devices - KRD Device, Vascular, For Promoting Embolization

All 11
Concerto Versa™ Detachable Coil
K253511 · Medtronic, Inc. · Jan 2026
OBSIDIO™ Conformable Embolic (M0013972101010)
K253376 · Boston Scientific Corporation · Oct 2025
Ruby XL System
K250079 · Penumbra, Inc. · Mar 2025
Embozene Color-Advanced Microspheres
K242608 · Varian Medical Systems, Inc. · Jan 2025
ONCOZENE Microspheres
K242794 · Varian Medical Systems, Inc. · Oct 2024
OBSIDIO™ Conformable Embolic
K242507 · Boston Scientific · Oct 2024