# K991724: Quadrature Lower Extremity Coil, Model 473PH-64

- Pathway: 510(k) (Traditional)
- Applicant: Medical Advances, Inc.
- Decided: Aug 2, 1999 after 74 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.
1 later device descends from it; 1 cites it directly.
0 of 2 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 its predicate without a number.
- (no number) Philips Gyroscan ACS-NT 1.5T MRI System operated without the Medical Advances Quadrature Lower Extremity Coil: named in the summary without a submission number

## Most influential descendants
- K071847: Magnetic Resonance Diagnostic Device, Model CG-KFC18-H150-AP - Knee/Foot/Ankle Coil (2007), 0 descendants of its own

## Indications for use
Magnetic resonance imaging (MRI) of the knee, ankle, foot, and associated structures.

Source page: https://510kreport.com/device/K991724
Methodology: https://510kreport.com/methodology