FDA Cleared vs FDA Approved: What’s the Difference?
These terms are often confused. Both represent FDA authorization to market a medical device in the United States, but through different pathways:| FDA Cleared (510(k)) | FDA Approved (PMA) | |
|---|---|---|
| Pathway | 510(k) Premarket Notification | Premarket Approval |
| Requirement | Substantial equivalence to predicate device | Proof of safety and effectiveness via clinical trials |
| Typical use for | Lower-to-moderate risk devices (Class I, II) | High-risk devices (Class III) |
| Examples | Fetal dopplers, thermometers, blood pressure monitors | Implantable pacemakers, cochlear implants |
| HeartBeats™ Status | ✅ FDA Cleared | N/A (different pathway) |
What FDA Clearance Means
FDA clearance via the 510(k) pathway means SonoHealth demonstrated to the FDA that the HeartBeats™ device is substantially equivalent to a legally marketed predicate device in terms of:- Intended use — monitoring fetal heart rate in home/non-clinical settings
- Safety characteristics — ultrasound output levels, electrical safety, probe materials
- Performance characteristics — frequency (2.5 MHz), sensitivity, accuracy of BPM display
Why FDA Clearance Matters for Consumers
Many consumer products on the market claim to detect fetal heartbeats — including phone attachments, unregulated imports, and “wellness” devices. Without FDA clearance:- There is no assurance the device operates at safe ultrasound power levels
- There is no regulatory review of accuracy claims
- The manufacturer has no accountability to FDA reporting requirements for adverse events
- The device has been reviewed by the FDA
- It operates within established safety parameters for obstetric ultrasound
- SonoHealth is registered as a medical device manufacturer subject to FDA oversight
- Post-market adverse event reporting requirements apply
Class II Medical Device Classification
Fetal dopplers fall under 21 CFR Part 884 — obstetrical and gynecological therapeutic devices. Specifically, they are classified under product code IYO (Electronic fetal monitoring device). Class II designation means the device poses moderate risk and requires special controls (including performance standards and post-market surveillance) in addition to general controls.Comparison: Cleared vs Uncleared Fetal Dopplers
| Factor | HeartBeats™ (FDA Cleared) | Uncleared Alternatives |
|---|---|---|
| FDA Review | ✅ Yes | ❌ No |
| Power level safety review | ✅ Yes | ❌ Unknown |
| Manufacturer accountability | ✅ Yes (registered establishment) | ❌ None |
| Legal to market as medical device in USA | ✅ Yes | ❌ No |
| Basis for recommendation by healthcare providers | ✅ Appropriate | ❌ Not recommended |
When comparing fetal doppler options, always verify FDA clearance status. The FDA maintains a searchable database of cleared devices at fda.gov/medical-devices.
Related: Safety · Product Overview · vs Competitors

