510(k) · Cleared
ClearedNanma Adjustable Constriction Ring
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Nanma Mfg Co., Ltd. · LKY Device, External Penile Rigidity
Cleared on Aug 6, 2003 after a 205-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Aug 6, 2003
- Review
- 205 days
- Class
- Class II
- Product code
- LKY
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), 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’s file for it is a 510(k) statement, which names no predicate.
What descends from it?
No later submission names this one as a predicate yet.
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.
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 | — |
What is it indicated for?
The Nanma adjustable constriction rings are external penile rigidity devices used for the
treatment or management of erectile dysfhctiodiotence. The Nanma adjustable
constriction ring can be used alone or with a vacuum pump.
This device is intended for over-the-counter use (OTC)
Indications for use as stated in the FDA 510(k) statement.
https://510kreport.com/device/K030119 · printed Nov 5, 2026
Cite this page
510(k) Report. “K030119: Nanma Adjustable Constriction Ring.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K030119
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026