# K923851: Acqsim Simulator/Localizer

- Pathway: 510(k) (Traditional)
- Applicant: Philips Medical Systems (Cleveland), Inc.
- Decided: Oct 27, 1992 after 88 days
- Product code: KPQ (System, Simulation, Radiation Therapy)
- Device class: 2
- Regulation: 21 CFR 892.5840
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
354 later devices descend from it; 7 cite it directly.
1 of 355 devices in its family (counting itself) has 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
- K013531: Qwiksim Virtual Simulation System; Version 2.00 (2001), 307 descendants of its own
- K061006: Ikoengelo (2006), 299 descendants of its own
- K071964: Mim 4.1 (Seastar) (2007), 287 descendants of its own
- K071950: Syngo Trued (2007), 201 descendants of its own
- K091373: Syngo Trued (2009), 200 descendants of its own

Source page: https://510kreport.com/device/K923851
Methodology: https://510kreport.com/methodology