# K041933: Microselectron PDR

- Pathway: 510(k) (Special)
- Applicant: Nucletron Corp.
- Decided: Aug 18, 2004 after 30 days
- Product code: JAQ (System, Applicator, Radionuclide, Remote-Controlled)
- Device class: 2
- Regulation: 21 CFR 892.5700
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K864210 (1986). 3 ancestors in all.
8 later devices descend from it; 1 cites it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K953946: Microselectron-HDR Version 2, Nucletron-Oldelft Corp. (1996) Summary page 2.

## Most influential descendants
- K061354: Microselectron V3, Model 106.990 (2006), 7 descendants of its own
- K120993: Gammamedplus IX Brachytherapy Afterloader, Gammamedplus 3/24 IX Brachytherapy Afterloader (2012), 4 descendants of its own
- K181903: BRAVOS Afterloader Family: BRAVOS Afterloader System, Transfer Guide Tubes, and Length Assessment Device (2018), 2 descendants of its own
- K191580: BRAVOS Afterloader System, Transfer Guide Tubes, Length Assessment Device (2019), 1 descendant of its own
- K092804: Microselectron HDR V2, Model 105.999 (2009), 1 descendant of its own

## Indications for use
The MicroSelectron PDR is intended to enable an operator to apply, by remote control, a radionuclide source into the body (including Interstitial, Intracavitary, Intraluminal, Bronchial, Endovascular and Intra-operative) or to the surface of the body for radiation therapy.

Source page: https://510kreport.com/device/K041933
Methodology: https://510kreport.com/methodology