# K051334: Terason Ultrasound System with Continuous Wave Soppler

- Pathway: 510(k) (Traditional)
- Applicant: Teratech Corp.
- Decided: Jun 3, 2005 after 11 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
Longest line of descent: 4 generations back to K894632 (1989). 16 ancestors in all.
5 later devices descend from it; 2 cite it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K991710: Ssa-370A/Powervision 6000, Toshiba America Medical Systems, In.C (1999) Summary page 1.

## Most influential descendants
- K082147: Bodymetrix BX2000 (2009), 2 descendants of its own
- K202514: EchoS Family (2021), 1 descendant of its own
- K072266: Acuson P50 Diagnostic Ultrasound System (2007), 1 descendant of its own
- K212851: EchoSK and EchoSGyn modules for EchoS Family devices (2022), 0 descendants of its own
- K083114: Acuson P50 Ultrasound System (2009), 0 descendants of its own

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

Source page: https://510kreport.com/device/K051334
Methodology: https://510kreport.com/methodology