# K172084: Delta III Lithotripter

- Pathway: 510(k) (Special)
- Applicant: Dornier Medtech America, Inc.
- Decided: Aug 8, 2017 after 29 days
- Product code: LNS (Lithotriptor, Extracorporeal Shock-Wave, Urological)
- Device class: 2
- Regulation: 21 CFR 876.5990
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to P840008 (1984). 2 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K170122: Delta III Lithotripter, Dornier Medtech America (2017) Summary page 4.

## Most influential descendants
- K201074: Delta III Lithotripter (2020), 1 descendant of its own
- K221903: Delta III Pro (2023), 0 descendants of its own

## Indications for use
The Delta III Lithotripter is indicated for the fragmentation of urinary tract stones, i.e., renal calyceal stones, renal pelvic stones, and upper ureteral stones.

Source page: https://510kreport.com/device/K172084
Methodology: https://510kreport.com/methodology