# K934396: Quadrature Lower Extremity Coil

- Pathway: 510(k) (Traditional)
- Applicant: Medical Advances, Inc.
- Decided: Nov 24, 1993 after 76 days
- Product code: LNH (System, Nuclear Magnetic Resonance Imaging)
- Device class: 2
- Regulation: 21 CFR 892.1000
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
58 later devices descend from it; 3 cite it directly.
0 of 59 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K963262: Artoscan M (1997), 51 descendants of its own
- K981358: Artoscan S (1998), 50 descendants of its own
- K990968: E-SCAN (1999), 49 descendants of its own
- K020164: E-Scan XQ (2002), 48 descendants of its own
- K032121: Modification to E-Scan XQ (2003), 47 descendants of its own

Source page: https://510kreport.com/device/K934396
Methodology: https://510kreport.com/methodology