# Orthosis, Truncal, For Dysmenorrhea
> **Product code: NJB** · Class I — Low Risk (general controls) · Physical Medicine · 21 CFR 890.3490
## Classification
- **FDA Product Code:** NJB
- **Device class:** Class I — Low Risk (general controls)
- **Regulation:** 21 CFR 890.3490
- **Review panel:** PM
- **Medical specialty:** Physical Medicine
- **Submission type:** 4
- **GMP exempt:** Y
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

A truncal orthosis for dysmenorrhea is a device intended to provide pressure to acupressure points on the lower abdomen and lower back for the purpose of reducing menstrual pain symptoms including cramps, abdominal pain and backache.

## Market data
- **Cleared 510(k) submissions:** 1
- **Registered establishments:** 14
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NJB)
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