Cleared Traditional

K222187 - Multistage Balloon Dilatation Catheter (FDA 510(k) Clearance)

Class II Ear, Nose, Throat device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K222187 · Dongguan TT Medical, Inc. · Ear, Nose, Throat device
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Mar 2023
Decision
222d
Days
Class 2
Risk

K222187 is an FDA 510(k) clearance for the Multistage Balloon Dilatation Catheter. Classified as Bronchoscope Accessory (product code KTI), Class II - Special Controls.

Submitted by Dongguan TT Medical, Inc. (Dongguan, CN). The FDA issued a Cleared decision on March 1, 2023 after a review of 222 days - an extended review cycle.

This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 874.4680 - the FDA ear, nose and throat 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 Ear, Nose, Throat review framework, consistent with the majority of Class II 510(k) submissions.

View all Dongguan TT Medical, Inc. devices

Submission Details

510(k) Number K222187 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 22, 2022
Decision Date March 01, 2023
Days to Decision 222 days
Submission Type Traditional
Review Panel Ear, Nose, Throat (EN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
133d slower than avg
Panel avg: 89d · This submission: 222d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KTI Bronchoscope Accessory
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 874.4680
Definition If The Device Is Reusable, Validated Reprocessing Instructions And Reprocessing Validation Data For This Device Type Must Be Included In A 510(k) Submission (82 Fr 26807, Available At Https://www.gpo.gov/fdsys/pkg/fr-2017-06-09/pdf/2017-12007.pdf).
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 Ear, Nose, Throat devices follow this clearance model.

Regulatory Peers - KTI Bronchoscope Accessory

All 32
Devices cleared under the same product code (KTI) and FDA review panel - the closest regulatory comparables to K222187.
ClearTip TBNA Type
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K252874 · Serpex Medical, Inc. · Oct 2025
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Disposable Grasping Forceps FG-52D/FG-54D
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