# K954847: Disco Uterine Contraction Transducer & Accessories

- Pathway: 510(k) (Traditional)
- Applicant: Ocg Systems, Inc.
- Decided: May 22, 1996 after 212 days
- Product code: HFM (Monitor, Uterine Contraction, External (For Use In Clinic))
- Device class: 2
- Regulation: 21 CFR 884.2720
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K831852 (1983). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K831852: Fetal Monitor #115, Ge Medical Systems Information Technologies (1983) Summary page 2.
- K840121: Physiological Pressure Transducer 1290C, Hewlett-Packard Co. (1984) Summary page 2.

## Indications for use
The Disco™ Uterine Contraction Transducer System is designed and intended for use in monitoring the progress of labor by measuring the duration, frequency and relative pressure of uterine contractions with a transducer strapped to the maternal abdomen.

Source page: https://510kreport.com/device/K954847
Methodology: https://510kreport.com/methodology