# K971074: Therapax SXT 150

- Pathway: 510(k) (Traditional)
- Applicant: Pantak, Inc.
- Decided: Jun 13, 1997 after 81 days
- Product code: JAD (System, Therapeutic, X-Ray)
- Device class: 2
- Regulation: 21 CFR 892.5900
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
10 later devices descend from it; 2 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K063456: SRT100 Superficial Radiation Therapy System (2007), 9 descendants of its own
- K123985: Sensus Healthcare Superficial Radiotherapy System SRT-100 (2013), 7 descendants of its own
- K131582: Sensus Helthcare Image-Duided Superficial Radiotherapy System (2013), 4 descendants of its own
- K150037: Sensus Healthcare Superficial X-ray Radiation Therapy System with Ultrasonic Imaging Capabilities (2015), 3 descendants of its own
- K172080: Photoelectric Therapy System (2017), 1 descendant of its own

## Indications for use
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.

Source page: https://510kreport.com/device/K971074
Methodology: https://510kreport.com/methodology