# Tubing And Tubing/Filter Fits
> **Product code: NVT** · Class I — Low Risk (general controls) · Obstetrics/Gynecology · 21 CFR 884.1700
## Classification
- **FDA Product Code:** NVT
- **Device class:** Class I — Low Risk (general controls)
- **Regulation:** 21 CFR 884.1700
- **Review panel:** OB
- **Medical specialty:** Obstetrics/Gynecology
- **Submission type:** 4
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

Tubing and tubing/filter fits are used when there is a need to distend the uterus by filling the uterine cavity with a liquid or gas to facilitate viewing with a hysteroscope.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 19
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NVT)
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