510(k) Report

510(k) · Cleared

Cleared

SRT100 Superficial Radiation Therapy System

K063456510(k) TraditionalCleared Jan 9, 200755-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

Topex, Inc. · JAD System, Therapeutic, X-Ray

Cleared on Jan 9, 2007 as substantially equivalent to K971074 (Pantak, Inc., 1997) and 1 other predicate after a 55-day review. Its family tree reaches back 1 generation to 1996. 9 later devices descend from it.

Decided
Jan 9, 2007
Review
55 days
Class
Class II
Product code
JAD
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K962613 (1996). 2 ancestors in all. 9 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor2013: 3 descendants cleared2017: 1 descendant cleared2022: 1 descendant cleared2015: 1 descendant cleared2023: 1 descendant cleared2018: 1 descendant cleared2025: 1 descendant clearedK962613 · Darpac 2000 Superficial X-Ray Therapy System · Gulmay Medical, Ltd. · 1996 · recalled1995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 2 descendants4 generations forward: 2 descendants K962613 · Darpac 2000 Superficial X-Ray Therapy System · Gulmay Medical, Ltd. · 1996 · recalled0
  1. Root · 1 generation backK962613 Darpac 2000 Superficial X-Ray Therapy SystemGulmay Medical, Ltd. · 1996 · Recalled
  2. This deviceK063456 SRT100 Superficial Radiation Therapy SystemTopex, Inc. · 2007
  3. Descendant · cites it directly · 7 of its ownK123985 Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare · 2013
  4. Descendant · 2 generations on · 4 of its ownK131582 Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare · 2013
  5. Descendant · 3 generations on · 3 of its ownK150037 Sensus Healthcare Superficial X-ray Radiation Therapy System with…Sensus Healthcare · 2015 · Recalled
  6. Descendant · 2 generations on · 1 of its ownK172080 Photoelectric Therapy SystemXstrahl, Ltd. · 2017 · Recalled
  7. Descendant · cites it directly · 1 of its ownK132092 EsteyaNucletron B.V. · 2013

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

2013: 32015: 12017: 12018: 12022: 12023: 12025: 1
2013high 3 (2013) · low 0 (2014)2026

Most influential descendants

Showing 5 of 9 · See all
  • K123985Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare · 2013 · cites it directly7descendants
  • K131582Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare · 2013 · 2 generations on4descendants
  • K150037Sensus Healthcare Superficial X-ray Radiation Therapy System with Ultrasonic Imaging…Sensus Healthcare · 2015 · 3 generations on3descendants
  • K172080Photoelectric Therapy SystemXstrahl, Ltd. · 2017 · 2 generations on1descendant
  • K132092EsteyaNucletron B.V. · 2013 · cites it directly1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K962613Darpac 2000 Superficial X-Ray Therapy SystemGulmay Medical, Ltd.19962
0 (this device)K063456SRT100 Superficial Radiation Therapy SystemTopex, Inc.2007—
+1K123985Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare2013—
+2K131582Sensus Helthcare Image-Duided Superficial Radiotherapy SystemSensus Healthcare2013—
+3K150037Sensus Healthcare Superficial X-ray Radiation Therapy System with Ultrasonic…Sensus Healthcare20151
+2K172080Photoelectric Therapy SystemXstrahl, Ltd.20172
+1K132092EsteyaNucletron B.V.2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201330
201510
201710
201810
202210
202310
202510
FIG. 1 — Lineage of K063456, 1996–2025Source: 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 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
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What was it cleared against? (3)

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
*K971074Therapax SXT 150
Summary page 1
…essories Product Code: JAD CFR Classification: 892.5900 5.3 Predicate Devices Pantak Superficial X-ray Therapy System (K971074) Gulmay D3100/Xstrahl 100 (K962613) Philips RT100 (pre-1976 Amendments device) 5.4 Indications…
Pantak, Inc.1997—
*K962613Darpac 2000 Superficial X-Ray Therapy System
Summary page 1
…CFR Classification: 892.5900 5.3 Predicate Devices Pantak Superficial X-ray Therapy System (K971074) Gulmay D3100/Xstrahl 100 (K962613) Philips RT100 (pre-1976 Amendments device) 5.4 Indications for Use The SRT100 is a low energy x-ray system inte…
Gulmay Medical, Ltd.19962
*—Philips RT100
Named without a submission number
—

Also cleared against K971074: 1 other device →

What descends from it? (9)

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

NumberDeviceApplicantDecidedDescendants
K123985Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare20137
K132092EsteyaNucletron B.V.20131

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?

  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K123985 (Sensus Healthcare, 2013) has gone furthest, with 7 descendants of its own.
  • 1 other device also cites its predicate K971074.

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. 2007, 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. Typical applications include basal cell carcinoma, squamous cell carcinoma, Metatypic carcinoma, cutaneous appendage carcinoma and Kaposi's Sarcoma.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K063456: SRT100 Superficial Radiation Therapy System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K063456

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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