# K170122: Delta III Lithotripter

- Pathway: 510(k) (Traditional)
- Applicant: Dornier Medtech America
- Decided: Jun 28, 2017 after 166 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: 1 generation back to P840008 (1984). 1 ancestor in all.
3 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)
- P840008: Dornier Lithotripter Compact Transportable (DLCT), Dornier Medtech America, Inc. (1984) Summary page 4.

## Most influential descendants
- K172084: Delta III Lithotripter (2017), 2 descendants of its own
- 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 Il 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/K170122
Methodology: https://510kreport.com/methodology