510(k) Report

510(k) · Cleared

Cleared

TwitchView System

K192958510(k) SpecialCleared Apr 2, 2020163-day reviewClass II21 CFR 868.2775

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

Blink Device Company · KOI Stimulator, Nerve, Peripheral, Electric

Cleared on Apr 2, 2020 after a 163-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Apr 2, 2020
Review
163 days
Class
Class II
Product code
KOI
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K192958Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KOI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new KOI device

  1. #1 K261098 TetraGraph Neuromuscular Transmission Monitor…score 21.1 · 39 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All KOI devices

KOI Stimulator, Nerve, Peripheral, Electric: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · KOI

2in 2025

2016: 12018: 22019: 12020: 12021: 22022: 32024: 12025: 22026 (partial year): 1
2007high 3 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KOI

174in 2022

2022: 174 days median
2007high 174 (2022)2026

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

Recalls per year · KOI

No recall names KOI since 2007.

Adverse event reports per year · KOI

5in 2025

2011: 12012: 32013: 22014: 92015: 12018: 12019: 42020: 42021: 32022: 42023: 12024: 22025: 5
2007high 9 (2014) · low 0 (2007)2025

MAUDE reports naming product code KOI, 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—01
20120—03
20130—02
20140—09
20150—01
20161—00
20170—00
20182—01
20191—04
20201—04
20212—03
2022317404
20230—01
20241—02
20252—05
20261—0—

What is it indicated for?

The TwitchView System is used for the quantitative monitoring of neuromuscular transmission by means of electromyography.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K192958: TwitchView System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192958

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026