Cleared Traditional

K220470 - Smart Wireless Stethoscope (FDA 510(k) Clearance)

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

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May 2022
Decision
94d
Days
Class 2
Risk

K220470 is an FDA 510(k) clearance for the Smart Wireless Stethoscope. Classified as Stethoscope, Electronic (product code DQD), Class II - Special Controls.

Submitted by Shanghai Hulu Devices Co., Ltd. (Shanghai, CN). The FDA issued a Cleared decision on May 23, 2022 after a review of 94 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1875 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

View all Shanghai Hulu Devices Co., Ltd. devices

Submission Details

510(k) Number K220470 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 18, 2022
Decision Date May 23, 2022
Days to Decision 94 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
31d faster than avg
Panel avg: 125d · This submission: 94d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

Device Classification

Product Code DQD Stethoscope, Electronic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1875
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 Consultant

Third Party Review Group, LLC
Dave Yungvirt

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - DQD Stethoscope, Electronic

All 152
Devices cleared under the same product code (DQD) and FDA review panel - the closest regulatory comparables to K220470.
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