# K143135: Spring Coil Guidewire

- Pathway: 510(k) (Traditional)
- Applicant: Neometrics, Inc.
- Decided: Feb 20, 2015 after 112 days
- Product code: DQX (Wire, Guide, Catheter)
- Device class: 2
- Regulation: 21 CFR 870.1330
- 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 K770977 (1977). 1 ancestor in all.
2 later devices descend from it; 1 cites 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)
- K770977: Cardiovascular Spring Guides, Lake Region Mfg., Inc. (1977) Summary page 4.

## Most influential descendants
- K171997: Mandril Wire Guide (2018), 1 descendant of its own
- K181353: Lunderquist® Fixed Core Wire Guide (2019), 0 descendants of its own

## Indications for use
To facilitate the placement of devices during diagnostic or interventional procedures.

Source page: https://510kreport.com/device/K143135
Methodology: https://510kreport.com/methodology