Cleared Traditional

WRIST BLOOD PRESSURE MONITOR & FAT METER, MODEL WT-20 (K031582) - FDA 510(k) Clearance

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

K031582 · Nihon Seimitsu Sokki Co., Ltd. · Gastroenterology & Urology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2003
Decision
72d
Days
Class 2
Risk

K031582 is an FDA 510(k) clearance for the WRIST BLOOD PRESSURE MONITOR & FAT METER, MODEL WT-20. Classified as Analyzer, Body Composition (product code MNW), Class II - Special Controls.

Submitted by Nihon Seimitsu Sokki Co., Ltd. (Deer Field, US). The FDA issued a Cleared decision on August 1, 2003 after a review of 72 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 870.2770 - the FDA gastroenterology and urology 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 Nihon Seimitsu Sokki Co., Ltd. devices

Submission Details

510(k) Number K031582 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 21, 2003
Decision Date August 01, 2003
Days to Decision 72 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
58d faster than avg
Panel avg: 130d · This submission: 72d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MNW Analyzer, Body Composition
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2770
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 Gastroenterology & Urology devices follow this clearance model.