# K992663: Aloka SSD-5500 Diagnostic Ultrasound System

- Pathway: 510(k) (Traditional)
- Applicant: Aloka Co., Ltd.
- Decided: Aug 24, 1999 after 15 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: 1 generation back to K954022 (1996). 2 ancestors in all.
342 later devices descend from it; 5 cite it directly.
0 of 345 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K954022: Aloka Omniview Diagnostic Ultrasound System, Aloka Co., Ltd. (1996) Summary page 3.
- K963616: Aloka SSD-1700 Diagnostic Ultrasound System, Aloka Co., Ltd. (1997) Summary page 3.
- (no number) Toshiba PowerVision: named in the summary without a submission number
- (no number) H.P. Sonos 5500: named in the summary without a submission number
- (no number) Vingmed (G.E.) System V: named in the summary without a submission number
- (no number) Atl Hdi-5000: named in the summary without a submission number

## Most influential descendants
- K012080: SSD-5000 Diagnostic Ultrasound System (2001), 207 descendants of its own
- K060949: DP-6600 Digital Ultrasonic Diagnostic Imaging System (2006), 191 descendants of its own
- K063500: DC-6 Diagnostic Ultrasound System (2006), 189 descendants of its own
- K072164: DC-6 Diagnostic Ultrasound System (2007), 188 descendants of its own
- K080640: M5 Diagnostic Ultrasound System (2008), 182 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/K992663
Methodology: https://510kreport.com/methodology