510(k) · Cleared
ClearedDT Controlled Phototherapy Equipment
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Daavlin Distributing Co. · FTC Light, Ultraviolet, Dermatological
Cleared on Dec 13, 2023 as substantially equivalent to K073587 (Daavlin Distributing Co., 2008) and 1 other predicate after a 14-day review. Its family tree reaches back 2 generations to 2002.
- Decided
- Dec 13, 2023
- Review
- 14 days
- Class
- Class II
- Product code
- FTC
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 2 generations to K022104 (2002). 3 ancestors in all. No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K022104 | Dermapal, Uva 50HZ, Uva 60HZ, Uvb Broad Band 50HZ, Uvb Broad Band 60HZ,Uvb… | Daavlin Distributing Co. | 2002 | — |
| −1 | K073587 | Dermapal with Digital Timer | Daavlin Distributing Co. | 2008 | — |
| 0 (this device) | K233811 | DT Controlled Phototherapy Equipment | Daavlin Distributing Co. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 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 FTC? 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 FTC device
- #1 K242977 308nm Excimer Phototherapy Device (CN-308E…score 14.8 · 21 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K073587 | Dermapal with Digital TimerSummary page 4…FTC Panel: General and Plastic Surgery Predicate Devices: Dermapal, 1 Series Phototherapy Equipment 510(k) Number: K073587, K220840 Company: Daavlin Distributing Company The DT Controller is a modernizat… | 2008 |
| * | K220840 | 1 Series Phototherapy EquipmentSummary page 4…FTC Panel: General and Plastic Surgery Predicate Devices: Dermapal, 1 Series Phototherapy Equipment 510(k) Number: K073587, K220840 Company: Daavlin Distributing Company The DT Controller is a modernization of th… | 2022 |
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 21 years and passes through 1 company; a new generation was cleared every 15.9 years on median.
- 1 of the 3 ancestors has a recall of any class.
- 3 other devices also cite its predicate K073587.
How does its category compare?
All FTC devicesFTC Light, Ultraviolet, Dermatological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · FTC
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FTC
76in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FTC
3so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FTC
8in 2025
MAUDE reports naming product code FTC, 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 | 4 | 53 | 0 | 0 |
| 2008 | 3 | 41 | 1 | 0 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 2 |
| 2011 | 5 | 125 | 0 | 0 |
| 2012 | 1 | — | 0 | 1 |
| 2013 | 1 | — | 0 | 1 |
| 2014 | 2 | — | 0 | 1 |
| 2015 | 3 | 98 | 0 | 8 |
| 2016 | 1 | — | 0 | 2 |
| 2017 | 2 | — | 0 | 2 |
| 2018 | 3 | 88 | 0 | 0 |
| 2019 | 2 | — | 0 | 14 |
| 2020 | 5 | 237 | 0 | 4 |
| 2021 | 3 | 89 | 0 | 48 |
| 2022 | 1 | — | 0 | 4 |
| 2023 | 4 | 48 | 0 | 5 |
| 2024 | 1 | — | 0 | 4 |
| 2025 | 3 | 76 | 1 | 8 |
| 2026 | 4 | 91 | 3 | — |
What is it indicated for?
The DT Controlled Phototherapy Equipment devices are indicated for use to treat diagnosed skin disorders such as, but not limited to, psoriasis, vitiligo, and atopic dermatitis (eczema) under the direction of a physician. The population may range from pediatric to geriatric.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K233811 · printed Nov 6, 2026
Cite this page
510(k) Report. “K233811: DT Controlled Phototherapy Equipment.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233811
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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