# K970140: E0520-Trigger Switch and Cord/E0521-Trigger Switch

- Pathway: 510(k) (Traditional)
- Applicant: Valleylab, Inc.
- Decided: Mar 28, 1997 after 72 days
- Product code: GEI (Electrosurgical, Cutting & Coagulation & Accessories)
- Device class: 2
- Regulation: 21 CFR 878.4400
- 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 K904560 (1990). 2 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K904560: Valleylab Laparoscopic Handswitch/Electrodes, Valleylab, Inc. (1990) Summary page 1.
- K925647: Valleylab #E2751 & E2780R Laparoscopic Handpiece, Valleylab, Inc. (1993) Summary page 1.
- (no number) E0510 Laparoscopic Cord: named in the summary without a submission number

## Most influential descendants
- K200455: Trigger Switch and Cord (2020), 0 descendants of its own
- K060117: Bovie Button Remote Hand Switch (2006), 0 descendants of its own

## Indications for use
The Trigger Switch and Cord accessories are intended for use in monopolar laparoscopic and thoracoscopic electrosurgical procedures where handswitching of laparoscopic or thoracoscopic instruments, such as scissors and graspers, is desired.

Source page: https://510kreport.com/device/K970140
Methodology: https://510kreport.com/methodology