# Sealant, Dural
> **Product code: NQR** · Class III — High Risk (PMA approval required, life-sustaining) · Unknown · —
## Classification
- **FDA Product Code:** NQR
- **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:** Y
- **Third-party review:** N
## Definition

Dural sealants are devices intended to aid in preventing cerebrospinal fluid leakage through suture-approximated dural wound edges.  The sealant is sprayed or layered onto sutured dural wound edges and allowed to polymerize in place.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 15
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NQR)
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