# K953894: Siemens Multileaf Collimator

- Pathway: 510(k) (Traditional)
- Applicant: Siemens Medical Solutions USA, Inc.
- Decided: Nov 13, 1995 after 88 days
- Product code: IXI (Block, Beam-Shaping, Radiation Therapy)
- Device class: 2
- Regulation: 21 CFR 892.5710
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
19 later devices descend from it; 2 cite it directly.
0 of 20 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
- K031764: Oncor Avant-Garde with Coherence Workspaces (2003), 16 descendants of its own
- K060226: Oncor Expression (2006), 13 descendants of its own
- K072485: Artiste MV SA (2007), 11 descendants of its own
- K082775: Prescision Option (2009), 9 descendants of its own
- K090683: Syngo RT Therapist Connect (2009), 7 descendants of its own

Source page: https://510kreport.com/device/K953894
Methodology: https://510kreport.com/methodology