# K072171: Gatect-RT

- Pathway: 510(k) (Traditional)
- Applicant: Vision RT Limited
- Decided: Oct 1, 2007 after 56 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: 3 generations back to K864886 (1987). 6 ancestors in all.
12 later devices descend from it; 2 cite it directly.
0 of 19 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K063270: RPM Respiratory Gating System, Varian Medical Systems, Inc. (2006) Summary page 1.
- K052682: Alignrt, Vision RT Limited (2006) Summary page 1.

## Most influential descendants
- K123371: Alignrt Plus (2013), 8 descendants of its own
- K181218: AlignRT Plus (2018), 7 descendants of its own
- K193431: AlignRT Plus (2020), 6 descendants of its own
- K203387: AlignRT Plus (2021), 5 descendants of its own
- K212583: AlignRT Plus (2021), 4 descendants of its own

## Indications for use
The GateCT-RT system is used to obtain tracking of the subject's respiratory pattern for respiratory synchronized image acquisition, and radiation therapy treatment. It can be also used, either independently or in conjunction with Vision RT's AlignRT (K052682), to monitor the patient position during the image acquisition, simulation and treatment and to disable the radiation beam automatically.

Source page: https://510kreport.com/device/K072171
Methodology: https://510kreport.com/methodology