Cleared Traditional

K251331 - Blood Pressure Monitor (B73

K251331 is an FDA 510(k) clearance for Blood Pressure Monitor (B73, manufactured by Shenzhen Jamr Technology Co., Ltd.. The device is a Class 2 Cardiovascular device with product code DXN cleared through the Traditional 510(k) pathway after a 180-day FDA review.

K251331 · Shenzhen Jamr Technology Co., Ltd. · Cardiovascular device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Oct 2025
Decision
180d
Days
Class 2
Risk

K251331 is an FDA 510(k) clearance for the Blood Pressure Monitor (B73, BE23T). Classified as System, Measurement, Blood-pressure, Non-invasive (product code DXN), Class II - Special Controls.

Submitted by Shenzhen Jamr Technology Co., Ltd. (Shenzhen, CN). The FDA issued a Cleared decision on October 27, 2025 after a review of 180 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1130 - 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 Shenzhen Jamr Technology Co., Ltd. devices

FDA 510(k) Submission Details - K251331

510(k) Number K251331 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 30, 2025
Decision Date October 27, 2025
Days to Decision 180 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
55d slower than avg
Panel avg: 125d · This submission: 180d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

DXN Device Classification - Class 2, Special Controls

Product Code DXN System, Measurement, Blood-pressure, Non-invasive
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1130
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 Peers - DXN System, Measurement, Blood-pressure, Non-invasive

All 565
Devices cleared under the same product code (DXN) and FDA review panel - the closest regulatory comparables to K251331.
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