# K853620: Model XA-50 - CO2 Surgical Laser

- Pathway: 510(k) (Traditional)
- Applicant: Xanar, Inc.
- Decided: Jan 24, 1986 after 148 days
- Product code: GEX (Powered Laser Surgical Instrument)
- Device class: 2
- Regulation: 21 CFR 878.4810
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
676 later devices descend from it; 1 cites it directly.
0 of 677 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
- K963339: Coherent Ultrapulse CO2 Surgical Lasers (1997), 675 descendants of its own
- K974789: Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and L (1998), 653 descendants of its own
- K022060: Lumenis Ultrapulse Encore Carbon Dioxide Surgical Lasers and Delivery Device Accessories (2002), 376 descendants of its own
- K990947: Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO: Yag/ND: Yag Surgical Lasers and  Delivery (1999), 350 descendants of its own
- K011703: Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength (HO:Yag/ND:Yag) Surgical Lasers and Delivery Devices (2001), 342 descendants of its own

Source page: https://510kreport.com/device/K853620
Methodology: https://510kreport.com/methodology