510(k) Report

510(k) · Cleared

Cleared

Intraocular Pressure Tonometer EASYTON

K190382510(k) TraditionalCleared Dec 6, 2019290-day reviewClass II21 CFR 886.1930

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Company Elamed · HKX Tonometer, Ac-Powered

Cleared on Dec 6, 2019 as substantially equivalent to K060780 (Ryazan State Instruments, 2006) after a 290-day review. Its family tree reaches back 3 generations to 1995.

Decided
Dec 6, 2019
Review
290 days
Class
Class II
Product code
HKX
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K943939 (1995). 4 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1999: 1 other ancestorK943939 · Non-Contact Tonometer T-2 · Canon, Inc. · 1995K021937 · TGDC-01 Pra · Truevision Instruments · 2002K060780 · Tonometer Diaton · Ryazan State Instruments · 2006199520002005201020152020
  1. Root · 3 generations backK943939 Non-Contact Tonometer T-2Canon, Inc. · 1995
  2. 2 generations backK021937 TGDC-01 PraTruevision Instruments · 2002
  3. 1 generation backK060780 Tonometer DiatonRyazan State Instruments · 2006
  4. This deviceK190382 Intraocular Pressure Tonometer EASYTONCompany Elamed · 2019
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K943939Non-Contact Tonometer T-2Canon, Inc.1995—
−2K021937TGDC-01 PraTruevision Instruments2002—
−1K060780Tonometer DiatonRyazan State Instruments2006—
0 (this device)K190382Intraocular Pressure Tonometer EASYTONCompany Elamed2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910
FIG. 1 — Lineage of K190382, 1995–2019Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in HKX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new HKX device

  1. #1 K253039 Auto Kerato-Refracto Tonometer TRK-3 Omniascore 11.5 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K060780Tonometer Diaton
Summary page 4
…Tonometer EASYTON Common or Usual Name: tonometer, ac-powered Regulation: 886.1930 Regulatory Class: II Product Code: HKX III. PREDICATE DEVICE Diaton, K060780 This predicate has not been subject to a design-related recall.…
Ryazan State Instruments2006—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 24 years and passes through 4 companies; a new generation was cleared every 7.4 years on median.
  • None of the 4 ancestors has a recall.

How does its category compare?

All HKX devices

HKX Tonometer, Ac-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · HKX

1in 2025

2008: 22009: 12010: 12011: 12012: 12015: 12017: 12018: 12019: 32023: 12025: 1
2007high 3 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HKX

290in 2019

2019: 290 days median
2007high 290 (2019)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HKX

No recall names HKX since 2007.

Adverse event reports per year · HKX

1in 2015

2008: 12010: 12015: 1
2007high 1 (2008) · low 0 (2007)2025

MAUDE reports naming product code HKX, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20082—01
20091—00
20101—01
20111—00
20121—00
20130—00
20140—00
20151—01
20160—00
20171—00
20181—00
2019329000
20200—00
20210—00
20220—00
20231—00
20240—00
20251—00
20260—0—

What is it indicated for?

The Tonometer Easyton is indicated for the measurement of intraocular pressure in human eyes.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K190382: Intraocular Pressure Tonometer EASYTON.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190382

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026