# K922554: Standard Imaging HDR 1000 Ion Chamber

- Pathway: 510(k) (Traditional)
- Applicant: Standard Imaging, Inc.
- Decided: Aug 24, 1992 after 87 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
No predicates in its family tree.
2 later devices descend from it; 2 cite it directly.
0 of 3 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
- K060532: HDR 1000 Plus Well Chamber, Model 90008 (2006), 0 descendants of its own
- K013689: RE-Entrant Chamber (2002), 0 descendants of its own

Source page: https://510kreport.com/device/K922554
Methodology: https://510kreport.com/methodology
