# K060321: Adscope 657BK Electronic Stethoscope, Model 657BK

- Pathway: 510(k) (Traditional)
- Applicant: American Diagnostic Corp.
- Decided: May 15, 2006 after 95 days
- Product code: DQD (Stethoscope, Electronic)
- Device class: 2
- Regulation: 21 CFR 870.1875
- 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 no predicate by number.

## Indications for use
The ADSCOPE 657BK Electronic Stethoscope is intended for medical diagnostic purposes only. It can be used for the amplification of heart, lung, and other body sounds with the use of selective frequency and can be used on any patient undergoing a physical assessment.

Source page: https://510kreport.com/device/K060321
Methodology: https://510kreport.com/methodology