510(k) Report

510(k) · Cleared

Cleared

Therapax SXT 150

K971074510(k) TraditionalCleared Jun 13, 199781-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

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

Cleared on Jun 13, 1997 after an 81-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 10 later devices descend from it.

Decided
Jun 13, 1997
Review
81 days
Class
Class II
Product code
JAD
Recalls
None
Predicates
0

10 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2013: 3 descendants cleared2007: 1 descendant cleared2017: 1 descendant cleared2015: 1 descendant cleared2022: 1 descendant cleared2023: 1 descendant cleared2018: 1 descendant cleared2025: 1 descendant cleared1995200020052010201520202025
  1. This deviceK971074 Therapax SXT 150Pantak, Inc. · 1997
  2. Descendant · cites it directly · 9 of its ownK063456 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

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2007: 12013: 32015: 12017: 12018: 12022: 12023: 12025: 1
2007high 3 (2013) · low 0 (2008)2026

Most influential descendants

Showing 5 of 10 · See all
  • K063456SRT100 Superficial Radiation Therapy SystemTopex, Inc. · 2007 · cites it directly9descendants
  • 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
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K971074Therapax SXT 150Pantak, Inc.1997—
+1K063456SRT100 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

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
201330
201510
201710
201810
202210
202310
202510
FIG. 1 — Lineage of K971074, 1997–2025Source: 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 510(k) statement (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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K063456SRT100 Superficial Radiation Therapy SystemTopex, Inc.20079
K123985Sensus Healthcare Superficial Radiotherapy System SRT-100Sensus Healthcare20137

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, K063456 (Topex, Inc., 2007) has gone furthest, with 9 descendants of its own.

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.

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 Therapax SXT 150 is a variable low energy x-ray system intended for superficial

radiotherapy treatments of cancerous tumors and lesions. Typical applications include

treatment for basal cell carcinoma, squamous cell carcinoma, Karposi’s Sarcoma, rectal

adenocarcinoma and other intracavital sites.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K971074: Therapax SXT 150.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K971074

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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