# K934041: Hewlett Packard Conos Ultrasound Imaging System Modification

- Pathway: 510(k) (Traditional)
- Applicant: Hewlett-Packard Co.
- Decided: Sep 22, 1994 after 399 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.
1,026 later devices descend from it; 3 cite it directly.
3 of 1,027 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K964309: Sonos 2000, Sonos 2500 (M2406 a) (1997), 1,024 descendants of its own
- K991872: Lynx Ultrasound System (1999), 899 descendants of its own
- K982800: Ecton Lynx Ultrasound System (1998), 899 descendants of its own
- K021497: Cypress Ultrasound System (2002), 898 descendants of its own
- K042055: Cypress Ultrasound System (2004), 827 descendants of its own

Source page: https://510kreport.com/device/K934041
Methodology: https://510kreport.com/methodology