# K191907: OptoWire III

- Pathway: 510(k) (Traditional)
- Applicant: Opsens, Inc.
- Decided: Jan 2, 2020 after 170 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: 8 generations back to K823434 (1982). 19 ancestors in all.
5 later devices descend from it; 1 cites it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K152991: OptoWire Deux, Opsens (2016) Summary page 4.

## Most influential descendants
- K213854: SavvyWire (2022), 4 descendants of its own
- K241418: OptoMonitor 3 (2025), 1 descendant of its own
- K251367: OptoMonitor 3 (2026), 0 descendants of its own
- K252674: Solo Pace Fusion System (SOLOFUSE1) (2026), 0 descendants of its own
- K240864: PacePro Wire (2024), 0 descendants of its own

## Indications for use
The OptoWire III pressure guidewire is indicated for use to measure pressure in blood vessels including both coronary and peripheral vessels, during diagnostic angiography and/or any interventional procedures. Blood pressure measurements provide hemodynamic information, such as fractional flow reserve, for the diagnosis and treatment of blood vessel disease.

Source page: https://510kreport.com/device/K191907
Methodology: https://510kreport.com/methodology