# K040244: Microoptical's Critical Data Viewers, Models MD-3 and MD-6

- Pathway: 510(k) (Traditional)
- Applicant: The Microoptical Corporation
- Decided: Mar 24, 2004 after 50 days
- Product code: GCJ (Laparoscope, General & Plastic Surgery)
- Device class: 2
- Regulation: 21 CFR 876.1500
- 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 K923160 (1992). 5 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K030940: Nomad ND1000M Augmented Vision System, Microvision Incorporated (2003) Summary page 1.
- K961800: Head Mounted Display, Vista Medical Technologies, Inc. (1996) Summary page 1.

## Most influential descendants
- K042923: MD-6W Wireless Critical Data Viewer (2004), 0 descendants of its own

## Indications for use
MicroOptical's Critical Data Viewers are intended to display video images or patient data while mounted in front of the user's eye(s) anytime a video display is used. Typical applications include display of images from endoscopic cameras, ultrasound imaging systems, magnetic resonance imaging systems, or display of data from any type of patient monitor.

Source page: https://510kreport.com/device/K040244
Methodology: https://510kreport.com/methodology