510(k) Report

510(k) · Cleared

Cleared

Leading Edge Ophthalmic Knife

K831975510(k) TraditionalCleared Aug 31, 198372-day reviewClass I21 CFR 886.4350

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

Surgidev Corp. · HNN Knife, Ophthalmic

Cleared on Aug 31, 1983 after a 72-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Aug 31, 1983
Review
72 days
Class
Class I
Product code
HNN
Recalls
None
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K831975Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

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 HNN devices

HNN Knife, Ophthalmic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HNN

1in 2011

2011: 1
2007high 1 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HNN

Too few HNN 510(k)s in any year since 2007 to give a median.

Recalls per year · HNN

1in 2025

2007: 362010: 12017: 442021: 12022: 12023: 22025: 12026 (partial year): 1
2007high 44 (2017) · low 0 (2008)2026

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

Adverse event reports per year · HNN

690in 2025

2007: 212008: 102009: 132010: 1492011: 2232012: 1122013: 1732014: 1692015: 4012016: 4352017: 4722018: 4202019: 2912020: 4932021: 4032022: 3272023: 3552024: 1,8442025: 690
2007high 1,844 (2024) · low 10 (2008)2025

MAUDE reports naming product code HNN, 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—3621
20080—010
20090—013
20100—1149
20111—0223
20120—0112
20130—0173
20140—0169
20150—0401
20160—0435
20170—44472
20180—0420
20190—0291
20200—0493
20210—1403
20220—1327
20230—2355
20240—01,844
20250—1690
20260—1—
Cite this page

510(k) Report. “K831975: Leading Edge Ophthalmic Knife.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K831975

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026