510(k) Report

FDA product code · Neurology

Physiological Signal Based Seizure Monitoring System

POSClass II21 CFR 882.1580510(k) required10 decisions since 20171 recall

10 FDA decisions since 2017. 510(k) reviews decided 2021–2025 took a median of 169 days (half between 126 and 260). 1 recall names this code; it is not Class I. The most-cited predicate is K181861, named by 4 later devices.

The Physiological signal based seizure monitoring system is a prescription device that uses physiological signal to identify abnormal physiological activity that may be associated with a seizure. The System does not predict seizure onsets, and is not intended as a standalone seizure monitoring device.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, neurology panel

Twenty years of POS at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · POS

4in 2025

2017: 12018: 22019: 12021: 12024: 12025: 4
2007high 4 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · POS

154in 2025

2025: 154 days median
2007high 154 (2025)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · POS

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · POS

1in 2025

2021: 12024: 12025: 1
2007high 1 (2021) · low 0 (2007)2025

MAUDE reports naming product code POS, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20171—00
20182—00
20191—00
20200—00
20211—01
20220—00
20230—10
20241—01
2025415401
20260—0—
FIG. 1 — POS by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in POS? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report