# K990031: Nihon Kohden Ecg-9010K and Ecg-9020K Cardiofax Gem and Accessories

- Pathway: 510(k) (Traditional)
- Applicant: Nihon Kohden America, Inc.
- Decided: Apr 16, 1999 after 101 days
- Product code: LOS
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device 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) ECG-9320A: named in the summary without a submission number

## Indications for use
The ECG-9010K and ECG-9020K Cardiofax GEM electrocardiographs are intended for medical purposes to process the electrical signals transmitted through two or more electrocardiograph electrodes to produce a visual display and/or to prepare a record of the electrical signals produced by the heart. For non-interpretive applications, the ECG-9010K and ECG-9020K are intended for use with a full range of patient populations as determined by a clinician. The devices also provide an interpretive ECG program intended for use with patients age 3 years to adult. The interpretation program is intended to provide an assessment of ECG waveform rhythm and morphology to assist the physician in diagnosis. Assessments provided by the interpretation program are not intended as the sole basis for diagnosis. All assessments provided by the interpretation program are recommended for review by qualified physicians trained in electrocardiography.

Source page: https://510kreport.com/device/K990031
Methodology: https://510kreport.com/methodology