# K191314: Sunkingdom Applanation Tonometer SK-R, SK-T, SK-Q

- Pathway: 510(k) (Traditional)
- Applicant: Chongqing Sunkingdom Medical Instrument Co., Ltd.
- Decided: Dec 19, 2019 after 218 days
- Product code: HKY (Tonometer, Manual)
- Device class: 2
- Regulation: 21 CFR 886.1930
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K981432 (1999). 5 ancestors in all.
No later device cites it as a predicate yet.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K142179: D-Kat Z-Ype, Keeler, Ltd. (2014) Summary page 5.
- K133234: T-Type D-Kat, R-Type D-Kat, Keeler Limited (2014) Summary page 5.

## Indications for use
Sunkingdom Applanation Tonometer is a manual device intended for measurement of intraocular pressure by applanation (applying a small flat disk to the cornea) to aid in the diagnosis of glaucoma.

Source page: https://510kreport.com/device/K191314
Methodology: https://510kreport.com/methodology