# K162684: SL 220

- Pathway: 510(k) (Traditional)
- Applicant: Carl Zeiss Meditec, AG
- Decided: May 31, 2017 after 247 days
- Product code: HJO (Biomicroscope, Slit-Lamp, Ac-Powered)
- Device class: 2
- Regulation: 21 CFR 886.1850
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K896095 (1990). 18 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 20 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K133476: Slit Lamps with SL Cam 5.0 Digital Imaging Solution, Carl Zeiss Meditec, AG (2014) Summary page 4.
- K992836: SL990, SL980, SL950, Cso (1999) Summary page 4.

## Most influential descendants
- K253834: Visuref 600 (2026), 0 descendants of its own

## Indications for use
An AC-powered slit lamp biomicroscope is intended for use in eye examination of the anterior eye segment, from the cornea epithelium to the posterior capsule. It is used to aid in the diagnosis of diseases or trauma which affect the structural properties of the anterior eye segment.

Source page: https://510kreport.com/device/K162684
Methodology: https://510kreport.com/methodology