510(k) Report

510(k) · Cleared

Cleared

Heidelberg Retina Tomograph II / Rostock Cornea Module (HRT II / RCM)

K042742510(k) TraditionalCleared Oct 13, 20049-day reviewClass II21 CFR 886.1850

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

Heidelberg Engineering · MXK Device, Analysis, Anterior Segment

Cleared on Oct 13, 2004 as substantially equivalent to K012416 (Nidek Technologies Srl, 2001) after a 9-day review. Its family tree reaches back 3 generations to 1991.

Decided
Oct 13, 2004
Review
9 days
Class
Class II
Product code
MXK
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K912514 (1991). 5 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1995: 1 other ancestor1994: 1 other ancestorK912514 · Tandem Scanning Microscope · Tandem Scanning Corp. · 1991K971953 · Confoscan · Tomey Corporation USA · 1997K012416 · Confoscan 2 Confocal Microscope · Nidek Technologies Srl · 20011990199520002005
  1. Root · 3 generations backK912514 Tandem Scanning MicroscopeTandem Scanning Corp. · 1991
  2. 2 generations backK971953 ConfoscanTomey Corporation USA · 1997
  3. 1 generation backK012416 Confoscan 2 Confocal MicroscopeNidek Technologies Srl · 2001
  4. This deviceK042742 Heidelberg Retina Tomograph II / Rostock Cornea Module (HRT II / RCM)Heidelberg Engineering · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K912514Tandem Scanning MicroscopeTandem Scanning Corp.1991—
−2K971953ConfoscanTomey Corporation USA1997—
−1K012416Confoscan 2 Confocal MicroscopeNidek Technologies Srl2001—
0 (this device)K042742Heidelberg Retina Tomograph II / Rostock Cornea Module (HRT II / RCM)Heidelberg Engineering2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199510
FIG. 1 — Lineage of K042742, 1991–2004Source: 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 MXK? 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 MXK device

  1. #1 K251848 Pentacam® Cornea OCTscore 13.7 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K012416Confoscan 2 Confocal Microscope
Summary page 1
…ope, a preamend- ment device, and to the "Nidek Confoscan 2" device, a Class II device that received 510(k) market clearance on October 26, 2001, document contxol number K012416. Device Description The system consists of the HRT 1I laser scanning camera, the Rostock Cornea Module optics, a mount with headr…
Nidek Technologies Srl2001—
*—slit-amp biomicroscope
Named without a submission number
—

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 13 years and passes through 4 companies; a new generation was cleared every 4.2 years on median.
  • None of the 5 ancestors has a recall.

How does its category compare?

All MXK devices

MXK Device, Analysis, Anterior Segment: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MXK

1in 2025

2007: 12008: 12015: 12016: 12019: 22020: 12021: 12022: 12023: 12024: 12025: 12026 (partial year): 1
2007high 2 (2019) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MXK

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

Recalls per year · MXK

1in 2017

2017: 1
2007high 1 (2017) · low 0 (2007)2026

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

Adverse event reports per year · MXK

1in 2025

2010: 12013: 12017: 22018: 22019: 22020: 22024: 12025: 1
2007high 2 (2017) · low 0 (2007)2025

MAUDE reports naming product code MXK, 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
20071—00
20081—00
20090—00
20100—01
20110—00
20120—00
20130—01
20140—00
20151—00
20161—00
20170—12
20180—02
20192—02
20201—02
20211—00
20221—00
20231—00
20241—01
20251—01
20261—0—

What is it indicated for?

Imaging and observation of the cellular layers of the anterior segment of the human eye, for the diagnosis and management of anterior segment diseases.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K042742: Heidelberg Retina Tomograph II / Rostock Cornea Module (HRT II / RCM).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K042742

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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