# Transvenous Temporary Phrenic Nerve Stimulator
> **Product code: SDL** · Class III — High Risk (PMA approval required, life-sustaining) · Unknown · —
## Classification
- **FDA Product Code:** SDL
- **Device class:** Class III — High Risk (PMA approval required, life-sustaining)
- **Regulation:** —
- **Review panel:** AN
- **Medical specialty:** Unknown
- **Submission type:** 2
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

The device is intended to be implanted transvenously to stimulate the phrenic nerves to improve weaning from a mechanical ventilator. The device is temporary (<30 days) and is for use only in patients 18 years of age or older.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 2
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=SDL)
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