# K993939: Nicolet Eme Legend TC22

- Pathway: 510(k) (Traditional)
- Applicant: Nicolet Biomedical
- Decided: Jun 29, 2000 after 223 days
- Product code: IYN (System, Imaging, Pulsed Doppler, Ultrasonic)
- Device class: 2
- Regulation: 21 CFR 892.1550
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
6 later devices descend from it; 1 cites it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K020754: Nicolet Pioneer TC8080 (2003), 5 descendants of its own
- K053648: Pioneer TC8080, Companion Iii (2006), 4 descendants of its own
- K060421: Sonara; Sonara/Tek (2006), 3 descendants of its own
- K170859: Dolphin/IQ and Dolphin/4D (2017), 2 descendants of its own
- K191023: Dolphin/IQ, Dolphin/4D and Dolphin/MAX (2019), 1 descendant of its own

## Indications for use
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:

Source page: https://510kreport.com/device/K993939
Methodology: https://510kreport.com/methodology