# K980687: Sonos 5500 Ultrasound Imaging System

- Pathway: 510(k) (Traditional)
- Applicant: Hewlett-Packard Co.
- Decided: May 22, 1998 after 88 days
- Product code: IYO (System, Imaging, Pulsed Echo, Ultrasonic)
- Device class: 2
- Regulation: 21 CFR 892.1560
- 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 K934041 (1994). 6 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K964309: Sonos 2000, Sonos 2500 (M2406 a), Hewlett-Packard Co. (1997) Summary page 1.
- K973767: Harmonic Imaging with Contrast, Acuson Corp. (1997) Summary page 1.
- K961459: Level 10 Hdi, Advanced Technology Laboratories, Inc. (1997) Summary page 1.

## Most influential descendants
- K990400: Linear Array Transducer,Model HP 21376,  M2410A Ultrasound Imaging System (1999), 0 descendants 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/K980687
Methodology: https://510kreport.com/methodology