510(k) · Cleared
ClearedSupport Ring
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Numedtec, Inc. · LKY Device, External Penile Rigidity
Cleared on Dec 14, 1990 after a 73-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 later devices descend from it.
- Decided
- Dec 14, 1990
- Review
- 73 days
- Class
- Class II
- Product code
- LKY
- Recalls
- None
- Predicates
- 0
3 later devices descend from it, 1 citing it directly.
- This deviceK904485 Support RingNumedtec, Inc. · 1990
- Descendant · cites it directly · 2 of its ownK981506 Restore Vacuum Erection Device, Confide Vacuum Erection Device, Pep…Repro-Med Systems, Inc. · 1998
- Descendant · 2 generations on · 0 of its ownK032776 Vacurect Vacuum Constriction DeviceVacurect Manufacturing (Pty), Ltd. · 2003
- Descendant · 2 generations on · 0 of its ownK020969 Vacurect Vacuum Constriction DeviceVacurect Manufacturing (Pty), Ltd. · 2002
Most influential descendants
Showing 3 of 3 · See all- K981506Restore Vacuum Erection Device, Confide Vacuum Erection Device, Pep (Penile Erection…Repro-Med Systems, Inc. · 1998 · cites it directly2descendants
- K032776Vacurect Vacuum Constriction DeviceVacurect Manufacturing (Pty), Ltd. · 2003 · 2 generations on0descendants
- K020969Vacurect Vacuum Constriction DeviceVacurect Manufacturing (Pty), Ltd. · 2002 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K904485 | Support Ring | Numedtec, Inc. | 1990 | — |
| +1 | K981506 | Restore Vacuum Erection Device, Confide Vacuum Erection Device, Pep (Penile… | Repro-Med Systems, Inc. | 1998 | — |
| +2 | K032776 | Vacurect Vacuum Constriction Device | Vacurect Manufacturing (Pty), Ltd. | 2003 | — |
| +2 | K020969 | Vacurect Vacuum Constriction Device | Vacurect Manufacturing (Pty), Ltd. | 2002 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in LKY? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K981506 | Restore Vacuum Erection Device, Confide Vacuum Erection Device, Pep (Penile Erection… | 1998 | 2 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K981506 (Repro-Med Systems, Inc., 1998) has gone furthest, with 2 descendants of its own.
How does its category compare?
All LKY devicesLKY Device, External Penile Rigidity: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LKY
FDA has decided no LKY device since 2007.
Median 510(k) review, days · LKY
Too few LKY 510(k)s in any year since 2007 to give a median.
Recalls per year · LKY
No recall names LKY since 2007.
Adverse event reports per year · LKY
2in 2023
MAUDE reports naming product code LKY, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 1 |
| 2014 | 0 | — | 0 | 1 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 1 |
| 2017 | 0 | — | 0 | 2 |
| 2018 | 0 | — | 0 | 3 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 1 |
| 2023 | 0 | — | 0 | 2 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K904485 · printed Nov 4, 2026
Cite this page
510(k) Report. “K904485: Support Ring.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K904485
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026