510(k) Report

510(k) · Cleared

Cleared

PHAKOS Disposable Retinal Cryo Probe

K162756510(k) TraditionalCleared May 3, 2017215-day reviewClass II21 CFR 886.4170

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

Phakos · HRN Unit, Cryophthalmic, Ac-Powered

Cleared on May 3, 2017 as substantially equivalent to K062412 (Keeler Instruments, Inc., 2006) and 1 other predicate after a 215-day review. Its family tree reaches back 2 generations to 1988. 2 later devices descend from it.

Decided
May 3, 2017
Review
215 days
Class
Class II
Product code
HRN
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K874555 (1988). 4 ancestors in all. 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor1999: 1 other ancestor2018: 1 descendant cleared2020: 1 descendant clearedK874555 · Keeler Acu 22XT Ophthalmic Cryo Unit · Keeler Instruments, Inc. · 1988K062412 · Cryomatic · Keeler Instruments, Inc. · 20061990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor 1 generation forward: 2 descendants K062412 · Cryomatic · Keeler Instruments, Inc. · 2006K874555 · Keeler Acu 22XT Ophthalmic Cryo Unit · Keeler Instruments, Inc. · 19880
  1. Root · 2 generations backK874555 Keeler Acu 22XT Ophthalmic Cryo UnitKeeler Instruments, Inc. · 1988
  2. 1 generation backK062412 CryomaticKeeler Instruments, Inc. · 2006
  3. This deviceK162756 PHAKOS Disposable Retinal Cryo ProbePhakos · 2017
  4. Descendant · cites it directly · 1 of its ownK180195 Frigitronics adapterPhakos · 2018
  5. Descendant · cites it directly · 0 of its ownK200911 MIRA AdapterPhakos · 2020

Most influential descendants

Showing 2 of 2 · See all
  • K180195Frigitronics adapterPhakos · 2018 · cites it directly1descendant
  • K200911MIRA AdapterPhakos · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K874555Keeler Acu 22XT Ophthalmic Cryo UnitKeeler Instruments, Inc.1988—
−1K062412CryomaticKeeler Instruments, Inc.2006—
0 (this device)K162756PHAKOS Disposable Retinal Cryo ProbePhakos2017—
+1K180195Frigitronics adapterPhakos2018—
+1K200911MIRA AdapterPhakos2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202010
FIG. 1 — Lineage of K162756, 1988–2020Source: 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 HRN? 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 HRN device

  1. #1 K200911 MIRA Adapterscore 0.3 · 4 generations · no Class I recall
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What was it cleared against? (2)

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
*K062412Cryomatic
Summary page 4
…n 21 CFR section 886.4170 Device Panel Ophthalmic Primary Predicate Keeler Cryomaster Probes – Keeler Instruments, Inc. (K062412 & K112093) Device The PHAKOS Disposable Retinal Cryo Probe is a single use item used with…
Keeler Instruments, Inc.2006—
*K112093Cryomatic Cryo Console, Disposable Cryo Probe, Disposable Probe Adapter
Summary page 4
…21 CFR section 886.4170 Device Panel Ophthalmic Primary Predicate Keeler Cryomaster Probes – Keeler Instruments, Inc. (K062412 & K112093) Device The PHAKOS Disposable Retinal Cryo Probe is a single use item used with…
Keeler Instruments, Inc.2011—

Also cleared against K062412: 1 other device →

What descends from it? (2)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K180195Frigitronics adapterPhakos20181
K200911MIRA AdapterPhakos20200

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 29 years and passes through 2 companies; a new generation was cleared every 18.8 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K180195 (Phakos, 2018) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K062412.

How does its category compare?

All HRN devices

HRN Unit, Cryophthalmic, Ac-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · HRN

1in 2020

2011: 12013: 12017: 22018: 12020: 1
2007high 2 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRN

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

Recalls per year · HRN

No recall names HRN since 2007.

Adverse event reports per year · HRN

1in 2019

2015: 22019: 1
2007high 2 (2015) · low 0 (2007)2025

MAUDE reports naming product code HRN, 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
20080—00
20090—00
20100—00
20111—00
20120—00
20131—00
20140—00
20150—02
20160—00
20172—00
20181—00
20190—01
20201—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The PHAKOS Disposable Retinal Cryo Probe is for use in ophthalmic surgery in cryopexy for retinal detachment, cyclo destructive procedures in refractory glaucoma, extraction of fragments within the vitreous cavity, cataract extraction, and cryo destruction of lash follicles for trichiasis.

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. “K162756: PHAKOS Disposable Retinal Cryo Probe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162756

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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