# K000095: Olympus Sonosurg Trocar XT3900 System

- Pathway: 510(k) (Traditional)
- Applicant: The Olympus Optical Co.
- Decided: Sep 26, 2000 after 257 days
- Product code: LFL (Instrument, Ultrasonic Surgical)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
35 later devices descend from it; 6 cite it directly.
0 of 36 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
- K031305: Olympus Ultrasonic Surgical System (2003), 26 descendants of its own
- K021962: Olympus Ultrasonic Surgical System (2003), 19 descendants of its own
- K100597: Harmonic Focus Shears (2010), 18 descendants of its own
- K031523: Olympus Ultrasonic Surgical System (2003), 18 descendants of its own
- K031710: Olympus Ultrasonic Surgical System (2003), 18 descendants of its own

Source page: https://510kreport.com/device/K000095
Methodology: https://510kreport.com/methodology