# K123788: Integrated Collimator Verification and Interlock System (Icvi)

- Pathway: 510(k) (Traditional)
- Applicant: Varian Medical Systems, Inc.
- Decided: Jan 15, 2013 after 36 days
- Product code: IYE (Accelerator, Linear, Medical)
- Device class: 2
- Regulation: 21 CFR 892.5050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K971893 (1997). 1 ancestor in all.
1 later device descends from it; 1 cites 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)
- K971893: SNT Linac Accessories, Surgical Navigation Technologies, Inc. (1997) Summary page 1.

## Most influential descendants
- K161984: Interlocked Circular Small Field Collimators, Elekta Integrated (2016), 0 descendants of its own

## Indications for use
The Integrated Conical Collimator Verification and Interlock system (ICVI) is an accessory device indicated for use with a Linear Accelerator to perform Stereotactic Radiosurgery and precision Radiotherapy on intra-cranial and extra cranial lesions or tumors.

Source page: https://510kreport.com/device/K123788
Methodology: https://510kreport.com/methodology