510(k) Report

510(k) · Cleared

Cleared

Tono-Pen Tonometer Tip Cover

K033146510(k) TraditionalCleared Nov 23, 2004420-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

Tra & Accessories · HKY Tonometer, Manual

Cleared on Nov 23, 2004 after a 420-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Nov 23, 2004
Review
420 days
Class
Class II
Product code
HKY
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K033146Source: FDA 510(k) database · 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in HKY? 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 HKY device

  1. #1 K241447 iCare ST500 (TA04)score 9.6 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

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.

How does its category compare?

All HKY devices

HKY Tonometer, Manual: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HKY

3in 2024

2007: 22008: 12010: 12013: 12014: 32015: 22016: 32017: 22018: 32019: 12020: 22021: 12022: 22023: 12024: 3
2007high 3 (2014) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HKY

128in 2024

2014: 123 days median2016: 226 days median2018: 77 days median2024: 128 days median
2007high 226 (2016) · low 77 (2018)2026

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

Recalls per year · HKY

2in 2014

2014: 2
2007high 2 (2014) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · HKY

1in 2019

2010: 22013: 12014: 32015: 12016: 22019: 1
2007high 3 (2014) · low 0 (2007)2025

MAUDE reports naming product code HKY, 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
20072—00
20081—00
20090—00
20101—02
20110—00
20120—00
20131—01
2014312323
20152—01
2016322602
20172—00
201837700
20191—01
20202—00
20211—00
20222—00
20231—00
2024312800
20250—00
20260—0—

What is it indicated for?

The Tono-Film Tonometer Tip Cover is intended to be used in conjunction with the Tono-Pen Tonometer, which is intended to be used to measure intraocular pressure and used in the diagnosis of glaucoma.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K033146: Tono-Pen Tonometer Tip Cover.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K033146

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