# K940121: Implanters/Adjustable/Anderson's Markers

- Pathway: 510(k) (Traditional)
- Applicant: Best Industries
- Decided: Dec 30, 1994 after 354 days
- Product code: IWJ (System, Applicator, Radionuclide, Manual)
- Device class: 1
- Regulation: 21 CFR 892.5650
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
21 later devices descend from it; 1 cites it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K031206: Radiomed Soft Tissue Marker (2003), 20 descendants of its own
- K070305: Pre-Loaded Visicoil (2007), 11 descendants of its own
- K080726: Calypso 4D Localization System (2008), 9 descendants of its own
- K102373: Calypso System with Dynamic Edge Gating (2010), 6 descendants of its own
- K112768: Calypso Systems with Dynamic Edge Gating (2011), 4 descendants of its own

Source page: https://510kreport.com/device/K940121
Methodology: https://510kreport.com/methodology