510(k) · Cleared
ClearedSunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve Stimulator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Easy Med Instrument Co., Ltd. · BXN Stimulator, Nerve, Battery-Powered
Cleared on May 13, 2016 as substantially equivalent to K121743 (Sunmed, LLC, 2013) after a 207-day review. Its family tree reaches back 2 generations to 1991.
- Decided
- May 13, 2016
- Review
- 207 days
- Class
- Class II
- Product code
- BXN
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K913184 (1991). No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in BXN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new BXN device
- #1 K213049 STIMPOD NMS450 Nerve Stimulatorscore 5.4 · 5 generations · no Class I recall
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K121743 | Easymed Peripheral Nerve Stimulator-SunstinSummary page 5…e Name: EasyMed Instruments Co., LTD. Peripheral Nerve Stimulator Manufacturer: EasyMed Instruments Co., Ltd. 510(k) Number: K121743 Product Code: BXN Trade name: Microstim Peripheral Nerve Stimulator… | 2013 |
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.
What does this lineage say?
- The line of descent spans 25 years and passes through 3 companies; a new generation was cleared every 21.5 years on median.
- None of the 2 ancestors has a recall.
How does its category compare?
All BXN devicesBXN Stimulator, Nerve, Battery-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.
FDA decisions per year · BXN
1in 2022
2026 to Oct 25, outlined.
Median 510(k) review, days · BXN
108in 2007
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · BXN
1in 2010
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · BXN
4in 2024
MAUDE reports naming product code BXN, 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 | 3 | 108 | 0 | 1 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 2 | — | 0 | 1 |
| 2010 | 1 | — | 1 | 2 |
| 2011 | 2 | — | 0 | 1 |
| 2012 | 0 | — | 0 | 5 |
| 2013 | 1 | — | 0 | 1 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 1 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 2 |
| 2022 | 1 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 4 |
| 2024 | 0 | — | 0 | 4 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
SunStim Peripheral Nerve Stimulator and SunStim Plus Peripheral Nerve Stimulator are a battery-powered device intended for monitoring the magnitude of neuromuscular block in general anesthesia, by delivering an electrical stimulus near a peripheral motor nerve.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K153045 · printed Nov 6, 2026
Cite this page
510(k) Report. “K153045: SunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K153045
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026