510(k) Report

510(k) · Cleared

Cleared

Retinal Cube

K973950510(k) TraditionalCleared Dec 12, 199757-day reviewClass II21 CFR 886.1120

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

Applied Spectral Imaging, Ltd. · HKI Camera, Ophthalmic, Ac-Powered

Cleared on Dec 12, 1997 as substantially equivalent to K870039 (Par Microsystems Corp., 1987) after a 57-day review. Its family tree reaches back 1 generation to 1987.

Decided
Dec 12, 1997
Review
57 days
Class
Class II
Product code
HKI
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K870039 (1987). No later device cites it as a predicate yet.

K870039 · Imagenet Digital Ophthalmic Imaging System · Par Microsystems Corp. · 19871986198819901992199419961998
  1. Root · 1 generation backK870039 Imagenet Digital Ophthalmic Imaging SystemPar Microsystems Corp. · 1987
  2. This deviceK973950 Retinal CubeApplied Spectral Imaging, Ltd. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K870039Imagenet Digital Ophthalmic Imaging SystemPar Microsystems Corp.1987—
0 (this device)K973950Retinal CubeApplied Spectral Imaging, Ltd.1997—
FIG. 1 — Lineage of K973950, 1987–1997Source: 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 HKI? 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 HKI device

  1. #1 K253176 TearViewscore 12.8 · 5 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? (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
*K870039Imagenet Digital Ophthalmic Imaging System
Summary page 1
…mic Digital Imaging System Classification Name: AC Powered Ophthalmic Camera (21 CFR 886.1120) Predicate Device: Topcon IMAGEnet 640 digital ophthalmic imaging system (k870039) Device Description The Retinal Cube is an accessory to a standard fundus camera which enables the acquisition, processing, and…
Par Microsystems Corp.1987—

Also cleared against K870039: 4 other devices →

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?

  • Its one ancestor has no recall.
  • 4 other devices also cite its predicate K870039.

How does its category compare?

All HKI devices

HKI Camera, Ophthalmic, Ac-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HKI

4in 2025

2007: 22008: 52009: 112010: 62011: 72012: 52013: 72014: 42016: 42017: 22018: 62019: 42020: 52021: 42022: 12023: 52024: 32025: 42026 (partial year): 2
2007high 11 (2009) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HKI

167in 2025

2008: 29 days median2009: 104 days median2010: 140 days median2011: 160 days median2012: 179 days median2013: 141 days median2014: 135 days median2016: 146 days median2018: 71 days median2019: 73 days median2020: 182 days median2021: 155 days median2023: 259 days median2024: 28 days median2025: 167 days median
2007high 259 (2023) · low 28 (2024)2026

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

Recalls per year · HKI

1in 2018

2012: 12016: 12017: 12018: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · HKI

1in 2023

2007: 32008: 12009: 12012: 22013: 222014: 32015: 32016: 662017: 202018: 142020: 52021: 32022: 12023: 1
2007high 66 (2016) · low 0 (2010)2025

MAUDE reports naming product code HKI, 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—03
200852901
20091110401
2010614000
2011716000
2012517912
20137141022
2014413503
20150—03
20164146166
20172—120
2018671114
201947300
2020518205
2021415503
20221—01
2023525901
202432800
2025416700
20262—0—

What is it indicated for?

An accessory to a fundus camera providing spectrally resolved images of the retina and optic disc and producing high contrast visualization of the blood vessels.

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. “K973950: Retinal Cube.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K973950

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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