Cleared Traditional

Infrared Forehead Thermometer, Model JZK-601, JZK-602, JZK-603 (K203707) - FDA 510(k) Clearance

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

K203707 · Shenzhen Zhengkang Technology Co., Ltd. · General Hospital
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Mar 2021
Decision
84d
Days
Class 2
Risk

K203707 is an FDA 510(k) clearance for the Infrared Forehead Thermometer, Model JZK-601, JZK-602, JZK-603. Classified as Continuous Measurement Thermometer (product code FLL), Class II - Special Controls.

Submitted by Shenzhen Zhengkang Technology Co., Ltd. (Shenzhen, CN). The FDA issued a Cleared decision on March 12, 2021 after a review of 84 days - a notably fast clearance cycle.

This device falls under the General Hospital FDA review panel, regulated under 21 CFR 880.2910 - the FDA general hospital 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 Shenzhen Zhengkang Technology Co., Ltd. devices

Submission Details

510(k) Number K203707 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 18, 2020
Decision Date March 12, 2021
Days to Decision 84 days
Submission Type Traditional
Review Panel General Hospital (HO)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
45d faster than avg
Panel avg: 129d · This submission: 84d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FLL Continuous Measurement Thermometer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 880.2910
Definition A Continuous Measurement Thermometer Is A Clinical Electronic Thermometer Indicated To Measure The Body Or Skin Temperature Of A Person Continuously Or In Specified Intervals. Under This Regulation, This Product Code Represents Non-exempt Devices. For More Information, See 90 Fr 25889, Available At Https://www.govinfo.gov/content/pkg/fr-2025-06-18/pdf/2025-11207.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 General Hospital devices follow this clearance model.

Regulatory Consultant

Shenzhen Joyantech Consulting Co., Ltd.
Iris Wang

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 - FLL Continuous Measurement Thermometer

All 215
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