# K904485: Support Ring

- Pathway: 510(k) (Traditional)
- Applicant: Numedtec, Inc.
- Decided: Dec 14, 1990 after 73 days
- Product code: LKY (Device, External Penile Rigidity)
- Device class: 2
- Regulation: 21 CFR 876.5020
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K981506: Restore Vacuum Erection Device, Confide Vacuum Erection Device, Pep (Penile Erection Program), Rely Vacuum Erection Dev) (1998), 2 descendants of its own
- K032776: Vacurect Vacuum Constriction Device (2003), 0 descendants of its own
- K020969: Vacurect Vacuum Constriction Device (2002), 0 descendants of its own

Source page: https://510kreport.com/device/K904485
Methodology: https://510kreport.com/methodology