# K883917: Natural Image Ultrasound Transmission Couplant

- Pathway: 510(k) (Traditional)
- Applicant: Sonomed Technology, Inc.
- Decided: Mar 31, 1989 after 196 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
No predicates in its family tree.
10 later devices descend from it; 2 cite it directly.
0 of 11 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
- K112827: Sheathes Ultrasond Gel (2012), 8 descendants of its own
- K130041: Sheathes Sterile Ultrasound Gel (2013), 5 descendants of its own
- K181363: EcoVue Sterile and Non-Sterile Ultrasound Gels (2018), 4 descendants of its own
- K131905: Solid Gel Pad (2013), 1 descendant of its own
- K252337: EdgeFlow Gel Pad (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K883917
Methodology: https://510kreport.com/methodology