510(k) Report

510(k) · Cleared

Cleared

Sensus Healthcare Superficial Radiotherapy System SRT-100

K123985510(k) TraditionalCleared May 14, 2013139-day reviewClass II21 CFR 892.5900

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

Sensus Healthcare · JAD System, Therapeutic, X-Ray

Cleared on May 14, 2013 as substantially equivalent to K063456 (Topex, Inc., 2007) and 2 other predicates after a 139-day review. Its family tree reaches back 2 generations to 1996. 7 later devices descend from it.

Decided
May 14, 2013
Review
139 days
Class
Class II
Product code
JAD
Recalls
None
Predicates
3

Its longest line of descent runs back 2 generations to K962613 (1996). 3 ancestors in all. 7 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor2017: 1 descendant cleared2013: 1 descendant cleared2015: 1 descendant cleared2023: 1 descendant cleared2018: 1 descendant cleared2025: 1 descendant cleared2022: 1 descendant clearedK962613 · Darpac 2000 Superficial X-Ray Therapy System · Gulmay Medical, Ltd. · 1996 · recalledK063456 · SRT100 Superficial Radiation Therapy System · Topex, Inc. · 20071995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 3 descendants K063456 · SRT100 Superficial Radiation Therapy System · Topex, Inc. · 2007K962613 · Darpac 2000 Superficial X-Ray Therapy System · Gulmay Medical, Ltd. · 1996 · recalled0
  1. Root · 2 generations backK962613 Darpac 2000 Superficial X-Ray Therapy SystemGulmay Medical, Ltd. · 1996 · Recalled
  2. 1 generation backK063456 SRT100 Superficial Radiation Therapy SystemTopex, Inc. · 2007
  3. This deviceK123985 Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare · 2013
  4. Descendant · cites it directly · 4 of its ownK131582 Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare · 2013
  5. Descendant · 2 generations on · 3 of its ownK150037 Sensus Healthcare Superficial X-ray Radiation Therapy System with…Sensus Healthcare · 2015 · Recalled
  6. Descendant · cites it directly · 1 of its ownK172080 Photoelectric Therapy SystemXstrahl, Ltd. · 2017 · Recalled
  7. Descendant · 3 generations on · 0 of its ownK250692 GentleBeam (GB1000)Voxel Ray Solutions, LLC · 2025
  8. Descendant · 2 generations on · 0 of its ownK230611 X80 / RADiant / PhotoElectric Therapy System (RADiant Aura)Xstrahl, Ltd. · 2023

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2013: 12015: 12017: 12018: 12022: 12023: 12025: 1
2013high 1 (2013) · low 0 (2014)2026

Most influential descendants

Showing 5 of 7 · See all
  • K131582Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare · 2013 · cites it directly4descendants
  • K150037Sensus Healthcare Superficial X-ray Radiation Therapy System with Ultrasonic Imaging…Sensus Healthcare · 2015 · 2 generations on3descendants
  • K172080Photoelectric Therapy SystemXstrahl, Ltd. · 2017 · cites it directly1descendant
  • K250692GentleBeam (GB1000)Voxel Ray Solutions, LLC · 2025 · 3 generations on0descendants
  • K230611X80 / RADiant / PhotoElectric Therapy System (RADiant Aura)Xstrahl, Ltd. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K962613Darpac 2000 Superficial X-Ray Therapy SystemGulmay Medical, Ltd.19962
−1K063456SRT100 Superficial Radiation Therapy SystemTopex, Inc.2007—
0 (this device)K123985Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare2013—
+1K131582Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare2013—
+2K150037Sensus Healthcare Superficial X-ray Radiation Therapy System with Ultrasonic…Sensus Healthcare20151
+1K172080Photoelectric Therapy SystemXstrahl, Ltd.20172
+3K250692GentleBeam (GB1000)Voxel Ray Solutions, LLC2025—
+2K230611X80 / RADiant / PhotoElectric Therapy System (RADiant Aura)Xstrahl, Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
201510
201710
201810
202210
202310
202510
FIG. 1 — Lineage of K123985, 1996–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 JAD? 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 JAD device

  1. #1 K241174 INTRABEAM (700); And accessories (INTRABEAM…score 11.7 · 11 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? (4)

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
*K063456SRT100 Superficial Radiation Therapy SystemTopex, Inc.2007—
*K971074Therapax SXT 150
Summary page 1
…6 34 56 )*Nee Pantak Superficial X-ray Therapy System (K97 1074) Gulmay D31I00/Xstrahl 100…
Pantak, Inc.1997—
*K962613Darpac 2000 Superficial X-Ray Therapy System
Summary page 1
…System (K97 1074) Gulmay D31I00/Xstrahl 100 (K962613) ORIGINAL Section 5 -510(k) Summary (Sensus Healthcare SRT-iO0)…
Gulmay Medical, Ltd.19962
*—Philips RT 100
Named without a submission number
—

Also cleared against K063456: 1 other device →

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K131582Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare20134
K172080Photoelectric Therapy SystemXstrahl, Ltd.20171

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 17 years and passes through 3 companies; a new generation was cleared every 10.3 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • Of its descendants, K131582 (Sensus Healthcare, 2013) has gone furthest, with 4 descendants of its own.
  • 1 other device also cites its predicate K063456.

How does its category compare?

All JAD devices

JAD System, Therapeutic, X-Ray: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · JAD

2in 2025

2007: 12008: 22009: 32011: 12012: 22013: 52014: 12015: 12016: 22017: 12018: 12019: 22022: 12023: 12025: 2
2007high 5 (2013) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JAD

114in 2013

2009: 106 days median2013: 114 days median
2007high 114 (2013) · low 106 (2009)2026

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

Recalls per year · JAD

2in 2021

2009: 22011: 12012: 32017: 12021: 22026 (partial year): 1
2007high 3 (2012) · low 0 (2007)2026

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

Adverse event reports per year · JAD

1in 2025

2007: 22008: 22009: 52011: 32012: 42013: 122014: 42015: 52016: 52017: 32018: 12019: 92022: 52023: 22024: 52025: 1
2007high 12 (2013) · low 0 (2010)2025

MAUDE reports naming product code JAD, 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—02
20082—02
2009310625
20100—00
20111—13
20122—34
20135114012
20141—04
20151—05
20162—05
20171—13
20181—01
20192—09
20200—00
20210—20
20221—05
20231—02
20240—05
20252—01
20260—1—

What is it indicated for?

The SRT-100 is a low energy X-ray system intended for superficial radiotherapy treatment of primary malignant epithelial neoplasms of the skin and keloids. Applications include basal cell carcinoma, squamous cell carcinoma, Metatypic carcinoma, cutaneous appendage carcinoma, Karposi's Sarcoma, and the treatment of keloids. Keloids are benign fibrous growths that arise from proliferation of dermal tissue typically arising from injuries to skin tissue.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K123985: Sensus Healthcare Superficial Radiotherapy System SRT-100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K123985

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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