# K252076: Kneevoice Cartilage Evaluation System (750-3600-001)

- Pathway: 510(k) (Traditional)
- Applicant: Kneevoice, Inc.
- Decided: Feb 6, 2026 after 219 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
Longest line of descent: 5 generations back to K771653 (1977). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K991756: 3 Channel Knee Electronic Amplified Stethoscope, Bio-Research Associates, Inc. (1999) Summary page 5.
- K083903: 3M Littmann Electronic Stethoscope, Model 3200, 3M Company (2009) Summary page 5.

## Indications for use
The KneeVoice Cartilage Evaluation System is intended to be used as a part of physical assessment of a patient by healthcare professional for diagnostic decision support in clinical settings. It is intended to be used by a physician as a noninvasive tool to amplify and record distinct sounds (vibrations) within the patellofemoral section of the knee.

Source page: https://510kreport.com/device/K252076
Methodology: https://510kreport.com/methodology