# K092716: Esophageal Stethoscope

- Pathway: 510(k) (Traditional)
- Applicant: Truer Medical, Inc.
- Decided: Sep 17, 2009 after 14 days
- Product code: BZT (Stethoscope, Esophageal, With Electrical Conductors)
- Device class: 2
- Regulation: 21 CFR 868.1920
- 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. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
The intended use of the esophageal stethoscope is to listen to heart and breath sounds while a patient is under anesthesia. Additionally, patient temperature can be monitored using the stethoscopes with 400 or 700 series thermistors. The stethoscopes are provided 'packaged clean' and are for "single use" only.

Source page: https://510kreport.com/device/K092716
Methodology: https://510kreport.com/methodology