# Stimulator, Low Electric Field, Tumor Treatment
> **Product code: NZK** · Class III — High Risk (PMA approval required, life-sustaining) · Unknown · —
## Classification
- **FDA Product Code:** NZK
- **Device class:** Class III — High Risk (PMA approval required, life-sustaining)
- **Regulation:** —
- **Review panel:** NE
- **Medical specialty:** Unknown
- **Submission type:** 2
- **GMP exempt:** N
- **Life sustaining:** Y
- **Implant:** N
- **Third-party review:** N
## Definition

Intended to treat tumors by application of low electic fields and indicated for treatment of recurrent glioblastoma multiforme (gbm) in patients who have received maximum standard therapy with continued disease progress, as defined by tumor growth or decline in neurological status.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 8
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NZK)
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