# K052895: Foursight Viewtool Image Viewer

- Pathway: 510(k) (Traditional)
- Applicant: Siemens Medical Solutions USA, Inc.
- Decided: Oct 27, 2005 after 13 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: 6 generations back to K935595 (1995). 30 ancestors in all.
102 later devices descend from it; 2 cite it directly.
0 of 133 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K050034: Sonoline Antares Diagnostic Ultrasound System, Siemens Medical Solutions USA, Inc. (2005) Summary page 1.
- K022896: CSV12 Software Viewer, Acuson Corp. (2002) Summary page 1.

## Most influential descendants
- K060992: Syngo US Workplace (2006), 97 descendants of its own
- K091286: Syngo US Workplace (2009), 95 descendants of its own
- K130159: Qlab Quantification Software Heart Model (2013), 92 descendants of its own
- K132165: Qlab Quantification Software (2013), 91 descendants of its own
- K171314: QLAB Advanced Quantification Software (2017), 45 descendants of its own

## Indications for use
The intended use of the fourSight ViewTool is for the acceptance, transfer, display, storage, and digital processing of ultrasound images, including image manipulation and quantification.

Source page: https://510kreport.com/device/K052895
Methodology: https://510kreport.com/methodology
