---
kind: "section"
citation: "21 C.F.R. § 876.5520"
title: "21"
number: "876.5520"
heading: "Urethral dilator."
url: "https://uscodex.org/cfr/21/876.5520"
---

# §876.5520. Urethral dilator.

- (a) **Identification.** A urethral dilator is a device that consists of a slender hollow or solid instrument made of metal, plastic, or other suitable material in a cylindrical form and in a range of sizes and flexibilities. The device may include a mechanism to expand the portion of the device in the urethra and indicate the degree of expansion on a dial. It is used to dilate the urethra. This generic type of device includes the mechanical urethral dilator, urological bougies, metal or plastic urethral sound, urethrometer, filiform, and filiform follower.
- (b) **Classification.**
  - (1) **Class II (special controls).** Except when it is a mechanical urethral dilator, the device is exempt from the premarket notification procedures in [subpart E of part 807](/cfr/21/part807-subpartE.md) of this chapter subject to the limitations in [§ 876.9](/cfr/21/876.9.md).
  - (2) Class I for the urethrometer, urological bougie, filiform and filiform follower, and metal or plastic urethral sound. The devices subject to this [paragraph (b)(2)](#b-2) are exempt from the premarket notification procedures in [subpart E of part 807](/cfr/21/part807-subpartE.md) of this chapter subject to the limitations in [§ 876.9](/cfr/21/876.9.md).

## Notes

### Amendments

[48 FR 53023, Nov. 23, 1983, as amended at 61 FR 1122, Jan. 16, 1996; 66 FR 38802, July 25, 2001; 84 FR 71814, Dec. 30, 2019]

### Authority

Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.

### Source

Source: 48 FR 53023, Nov. 23, 1983, unless otherwise noted.

### Amendments

[48 FR 53023, Nov. 23, 1983, as amended at 61 FR 1122, Jan. 16, 1996; 66 FR 38802, July 25, 2001; 84 FR 71814, Dec. 30, 2019]