# K970047: Phased Array Transducer - - PSK-20CT

- Pathway: 510(k) (Traditional)
- Applicant: Toshiba America Medical Systems, In.C
- Decided: Mar 4, 1997 after 57 days
- Product code: ITX (Transducer, Ultrasonic, Diagnostic)
- Device class: 2
- Regulation: 21 CFR 892.1570
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K894632 (1989). 3 ancestors in all.
403 later devices descend from it; 2 cite it directly.
3 of 407 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K933743: SSA-380A, Toshiba America Medical Systems, In.C (1994) Summary page 1.
- K941593: Diagnostic Ultrasonic Transducer, Toshiba America Medical Systems, In.C (1996) Summary page 1.

## Most influential descendants
- K991858: Ssa-390A/Power Vision 8000 (1999), 212 descendants of its own
- K013633: Ssa-770A, Aplio Ultrasound System (2001), 211 descendants of its own
- K022400: Ssa-700A, Aplio Diagnostic Ultrasound System (2002), 210 descendants of its own
- K032281: Ssa-770A - Version 4, Aplio Diagnostic Ultrasound System (2003), 209 descendants of its own
- K063130: Aplio XG Diagnostic Ultrasound System, Model Ssa-790A, Version 1.0 (2006), 205 descendants of its own

Source page: https://510kreport.com/device/K970047
Methodology: https://510kreport.com/methodology