Cleared Traditional

K850315 - UNISONIC ELECTRONIC DIGITAL BP MONITOR ...

K850315 is the FDA 510(k) clearance for UNISONIC ELECTRONIC DIGITAL BP MONITOR ... by Nihon Seimitsu Sokki Co., Ltd.. It is a Class 2 Cardiovascular device (product code DXN) cleared through the Traditional 510(k) pathway after a 81-day FDA review.

K850315 · Nihon Seimitsu Sokki Co., Ltd. · Cardiovascular device
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Apr 1985
Decision
81d
Days
Class 2
Risk

K850315 is an FDA 510(k) clearance for the UNISONIC ELECTRONIC DIGITAL BP MONITOR EBM-1050. Classified as System, Measurement, Blood-pressure, Non-invasive (product code DXN), Class II - Special Controls.

Submitted by Nihon Seimitsu Sokki Co., Ltd. (Shibukawa-Shi, Gunma-Ken, JP). The FDA issued a Cleared decision on April 16, 1985 after a review of 81 days - a notably fast clearance 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: 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 Nihon Seimitsu Sokki Co., Ltd. devices

Submission Details

510(k) Number K850315 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 25, 1985
Decision Date April 16, 1985
Days to Decision 81 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
44d faster than avg
Panel avg: 125d · This submission: 81d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

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

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