# K961637: Picker MR Workstations (Vistar,Montage and Oncall)

- Pathway: 510(k) (Traditional)
- Applicant: Philips Medical Systems (Cleveland), Inc.
- Decided: Jul 3, 1996 after 65 days
- Product code: LLZ (System, Image Processing, Radiological)
- Device class: 2
- Regulation: 21 CFR 892.2050
- 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 K905070 (1991). 2 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K905070: Vistar, Philips Medical Systems (Cleveland), Inc. (1991) Summary page 2.
- K931544: 1.5T Edge and 1.0T Vista Systems, Philips Medical Systems (Cleveland), Inc. (1993) Summary page 2.

## Most influential descendants
- K992354: SNT Image Analysis System (1999), 2 descendants of its own
- K081797: Image Storage System, Model KSS-400 (2009), 1 descendant of its own
- K203244: CellChek 20 rc (2021), 0 descendants of its own

## Indications for use
The MR Workstations (including the ViStar, Montage and OnCall) are designed to provide fast and convenient review of DICOM compatible digital images from all six diagnostic imaging modalities (MR, CT, Nuclear Medicine, X-Ray, CR and Ultrasound) and secondary capture as well as post-processing of MR and CT images including multi planar reformatting, angiographic rendering, surface rendering, segmentation/disarticulation and cine display. When used in conjunction with any of these diagnostic imaging modalities, the indications for use remain unchanged from those defined for that modality.

Source page: https://510kreport.com/device/K961637
Methodology: https://510kreport.com/methodology