# K133234: T-Type D-Kat, R-Type D-Kat

- Pathway: 510(k) (Traditional)
- Applicant: Keeler Limited
- Decided: Feb 21, 2014 after 123 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: 2 generations back to K981432 (1999). 3 ancestors in all.
4 later devices descend from it; 4 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K093445: Keeler Applanation Tonometer; T-Type Kat, K-Type Kat, (Kat), Keeler, Ltd. (2010) Summary page 1.

## Most influential descendants
- K142179: D-Kat Z-Ype (2014), 2 descendants of its own
- K232143: Applanation Tonometer HT-5000 (2023), 0 descendants of its own
- K191314: Sunkingdom Applanation Tonometer SK-R, SK-T, SK-Q (2019), 0 descendants of its own
- K152644: Keeler Disposable Tonomate, Keeler Disposable Tonomate, Box of 100 (2015), 0 descendants of its own

## Indications for use
The Keeler Applanation Tonometer Is Indicated for measuring intraocular pressure to aid in the screening and diagnosis of Glaucoma.

Source page: https://510kreport.com/device/K133234
Methodology: https://510kreport.com/methodology