510(k) · Cleared
ClearedCogenlight Technologies XLS Illuminator System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cogent Light Technologies, Inc. · GCT Light Source, Endoscope, Xenon Arc
Cleared on Mar 28, 1997 after a 4-day review. The FDA summary names its predicate without a number. 1 later device descends from it.
- Decided
- Mar 28, 1997
- Review
- 4 days
- Class
- Class II
- Product code
- GCT
- Recalls
- None
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK971057 Cogenlight Technologies XLS Illuminator SystemCogent Light Technologies, Inc. · 1997
- Descendant · cites it directly · 0 of its ownK993314 Synthes Light GuideSynthes (Usa) · 1999
Most influential descendants
Showing 1 of 1 · See all- K993314Synthes Light GuideSynthes (Usa) · 1999 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K971057 | Cogenlight Technologies XLS Illuminator System | Cogent Light Technologies, Inc. | 1997 | — |
| +1 | K993314 | Synthes Light Guide | Synthes (Usa) | 1999 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
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 GCT? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | — | Cogent Light Technologies Illuminator System Named without a submission number |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K993314 | Synthes Light Guide | 1999 | 0 |
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?
- Of its descendants, K993314 (Synthes (Usa), 1999) has gone furthest, with 0 descendants of its own.
How does its category compare?
All GCT devicesGCT Light Source, Endoscope, Xenon Arc: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GCT
1in 2010
2026 to Oct 25, outlined.
Median 510(k) review, days · GCT
Too few GCT 510(k)s in any year since 2007 to give a median.
Recalls per year · GCT
No recall names GCT since 2007.
Adverse event reports per year · GCT
347in 2025
MAUDE reports naming product code GCT, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 32 |
| 2008 | 1 | — | 0 | 29 |
| 2009 | 0 | — | 0 | 153 |
| 2010 | 1 | — | 0 | 21 |
| 2011 | 0 | — | 0 | 132 |
| 2012 | 0 | — | 0 | 36 |
| 2013 | 0 | — | 0 | 7 |
| 2014 | 0 | — | 0 | 11 |
| 2015 | 0 | — | 0 | 8 |
| 2016 | 0 | — | 0 | 15 |
| 2017 | 0 | — | 0 | 14 |
| 2018 | 0 | — | 0 | 20 |
| 2019 | 0 | — | 0 | 18 |
| 2020 | 0 | — | 0 | 114 |
| 2021 | 0 | — | 0 | 149 |
| 2022 | 0 | — | 0 | 158 |
| 2023 | 0 | — | 0 | 200 |
| 2024 | 0 | — | 0 | 296 |
| 2025 | 0 | — | 0 | 347 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Both devices are intended for the same use, that of providing visible light for the illumination of surgical headlights and various rigid or flexible endoscopes that contain fiber bundles for illumination. Applications for both systems include, but are not limited to, externally illuminated endoscopes used in arthroscopy, bronchoscopy, gynecology, laparoscopy, obstetrics, oto-rhino-laryngoscopy, urology, and vascular endoscopy.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K971057 · printed Nov 5, 2026
Cite this page
510(k) Report. “K971057: Cogenlight Technologies XLS Illuminator System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K971057
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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