# K982496: Quadrature Lower Extremity Coil, Model # 473SI-42D

- Pathway: 510(k) (Traditional)
- Applicant: Medical Advances, Inc.
- Decided: Sep 18, 1998 after 63 days
- Product code: MOS (Coil, Magnetic Resonance, Specialty)
- 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.
2 later devices descend from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K994040: Phased Array Knee and Foot Coil (2000), 1 descendant of its own
- K013592: Extremity Coil (2002), 0 descendants of its own

## Indications for use
Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the musculoskeletal structures, soft tissue and vascular structures of the lower extremities.

Source page: https://510kreport.com/device/K982496
Methodology: https://510kreport.com/methodology
