# K171877: SLM-1ER, SLM-2ER, SLM-3ER

- Pathway: 510(k) (Traditional)
- Applicant: Chongqing Kanghua Ruiming S&T Co., Ltd.
- Decided: Dec 21, 2017 after 181 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: 3 generations back to K982057 (1998). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K131589: Keeler Slit Lamp H-Series, Keeler, Ltd. (2013) Summary page 4.

## Indications for use
The KH Ophthalmic Slit-lamp Microscope is an AC-powered slitlamp biomicroscope intended for use in eye examination of the anterior eye segment, from the conea epithelium to the posterior capsule. It is used to aid in the diagnosis of diseases or trauma which affects the structural properties of the anterior eye secgment.

Source page: https://510kreport.com/device/K171877
Methodology: https://510kreport.com/methodology