# K925486: Ust-5522-7.5 & Ust-5522L-7.5 Intraoperative Trans.

- Pathway: 510(k) (Traditional)
- Applicant: Aloka Co., Ltd.
- Decided: Feb 12, 1993 after 105 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
No predicates in its family tree.
3 later devices descend from it; 2 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K972192: Perception Inc. GPS-Xyz Diagnostic Ultrasound System (1997), 1 descendant of its own
- K981834: Perception Inc, GPS-6TBMD Diagnostic Ultrasound System (1998), 0 descendants of its own
- K953759: Diagnostic Ultrasound Transducer (1996), 0 descendants of its own

Source page: https://510kreport.com/device/K925486
Methodology: https://510kreport.com/methodology