# K172843: TwitchView System

- Pathway: 510(k) (Traditional)
- Applicant: Blink Device Corporation
- Decided: Mar 29, 2018 after 191 days
- Product code: KOI (Stimulator, Nerve, Peripheral, Electric)
- Device class: 2
- Regulation: 21 CFR 868.2775
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K972698 (1997). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972698: Tof-Watch, Organon Teknika Corp. (1997) Summary page 5.

## Most influential descendants
- K181894: TOF-Cuff monitor (2019), 0 descendants of its own

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

Source page: https://510kreport.com/device/K172843
Methodology: https://510kreport.com/methodology