Cleared Traditional

K945255 - MICROSIL

K945255 is an FDA 510(k) clearance for MICROSIL, manufactured by Microsonic, Inc.. The device is a Class 1 Ear, Nose, Throat device with product code ESD cleared through the Traditional 510(k) pathway after a 32-day FDA review.

K945255 · Microsonic, Inc. · Ear, Nose, Throat device
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Nov 1994
Decision
32d
Days
Class 1
Risk

K945255 is an FDA 510(k) clearance for the MICROSIL. Classified as Hearing Aid, Air-conduction, Prescription (product code ESD), Class I - General Controls.

Submitted by Microsonic, Inc. (Ambridge, US). The FDA issued a Cleared decision on November 29, 1994 after a review of 32 days - a notably fast clearance cycle.

This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 874.3300 - 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: 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 Microsonic, Inc. devices

FDA 510(k) Submission Details - K945255

510(k) Number K945255 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 28, 1994
Decision Date November 29, 1994
Days to Decision 32 days
Submission Type Traditional
Review Panel Ear, Nose, Throat (EN)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
57d faster than avg
Panel avg: 89d · This submission: 32d
Pathway characteristics
Predicate-based equivalence.

ESD Device Classification - Class 1, General Controls

Product Code ESD Hearing Aid, Air-conduction, Prescription
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 874.3300
Definition An Air-conduction Hearing Aid Is A Wearable Sound Amplifying Device Intended To Compensate For Impaired Hearing That Conducts Sound To The Ear Through The Air. This Is A Prescription Hearing Aid.
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - ESD Hearing Aid, Air-conduction, Prescription

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