510(k) Report

510(k) · Cleared

Cleared

Kahook Dual Blade Glide (KDB Glide)

K220891510(k) TraditionalCleared May 17, 2024781-day reviewClass II21 CFR 878.4400

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

New World Medical, Inc. · QUQ Knife, Intraocular Pressure Lowering

Cleared on May 17, 2024 as substantially equivalent to K040584 (Neomedix Corp., 2004) after a 781-day review. Its family tree reaches back 4 generations to 1979.

Decided
May 17, 2024
Review
781 days
Class
Class II
Product code
QUQ
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K792365 (1979). 17 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2001: 2 other ancestors2000: 1 other ancestor1999: 1 other ancestor1997: 1 other ancestor1996: 2 other ancestors1998: 1 other ancestor1995: 1 other ancestor1991: 1 other ancestor1990: 1 other ancestor1989: 2 other ancestorsReference device: K202678 · OMNI Surgical System · Sight Sciences, Inc. · 2021K792365 · Bipolar Forceps · Concept, Inc. · 1979K993655 · Micro-France Electrosurgical Instruments, Various · Xomed, Inc. · 1999 · recalledK024304 · Microsurgical Bipolar Handpiece · Neomedix Corp. · 2003K040584 · NMX-1000 · Neomedix Corp. · 200419801990200020102020
  1. Root · 4 generations backK792365 Bipolar ForcepsConcept, Inc. · 1979
  2. 3 generations backK993655 Micro-France Electrosurgical Instruments, VariousXomed, Inc. · 1999 · Recalled
  3. 2 generations backK024304 Microsurgical Bipolar HandpieceNeomedix Corp. · 2003
  4. 1 generation backK040584 NMX-1000Neomedix Corp. · 2004
  5. This deviceK220891 Kahook Dual Blade Glide (KDB Glide)New World Medical, Inc. · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K792365Bipolar ForcepsConcept, Inc.1979—
−3K993655Micro-France Electrosurgical Instruments, VariousXomed, Inc.19992
−2K024304Microsurgical Bipolar HandpieceNeomedix Corp.2003—
−1K040584NMX-1000Neomedix Corp.2004—
0 (this device)K220891Kahook Dual Blade Glide (KDB Glide)New World Medical, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198920
199010
199110
199510
199620
199710
199810
199910
200010
200120
FIG. 1 — Lineage of K220891, 1979–2024Source: 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.

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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
*K040584NMX-1000
Summary page 5
…Knife Regulation Numbers 21 CFR 878.4400 Device Classification: Class II Predicate Device: NMX-1000™, NeoMedix Corporation (K040584) Reference Device: OMNI Surgical System, Sight Sciences, Inc. (K202678) III. DEVICE DESCRIPTION The Kahook…
Neomedix Corp.2004—
†K202678OMNI Surgical SystemSight Sciences, Inc.2021—

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 45 years and passes through 4 companies; a new generation was cleared every 20.0 years on median.
  • 2 of the 17 ancestors have a recall of any class.

How does its category compare?

All QUQ devices

QUQ Knife, Intraocular Pressure Lowering: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · QUQ

1in 2024

2024: 1
2007high 1 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QUQ

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

Recalls per year · QUQ

No recall names QUQ since 2007.

Adverse event reports per year · QUQ

No MAUDE report names QUQ since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20241—00
20250—00
20260—0—

What is it indicated for?

The Kahook Dual Blade Glide is indicated to surgically remove a strip of trabecular meshwork to reduce intraocular pressure in adult patients with primary open angle glaucoma.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K220891: Kahook Dual Blade Glide (KDB Glide).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220891

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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