510(k) Report

510(k) · Cleared

Cleared

Easymed Peripheral Nerve Stimulator-Sunstin

K121743510(k) TraditionalCleared Mar 28, 2013288-day reviewClass II21 CFR 868.2775

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Sunmed, LLC · BXN Stimulator, Nerve, Battery-Powered

Cleared on Mar 28, 2013 as substantially equivalent to K913184 (Life-Tech Intl., Inc., 1991) after a 288-day review. Its family tree reaches back 1 generation to 1991. 1 later device descends from it.

Decided
Mar 28, 2013
Review
288 days
Class
Class II
Product code
BXN
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K913184 (1991). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2016: 1 descendant clearedK913184 · MS-Iii Ministim · Life-Tech Intl., Inc. · 19911990200020102020
Descendants, by generation 1 generation forward: 1 descendant K913184 · MS-Iii Ministim · Life-Tech Intl., Inc. · 19910
  1. Root · 1 generation backK913184 MS-Iii MinistimLife-Tech Intl., Inc. · 1991
  2. This deviceK121743 Easymed Peripheral Nerve Stimulator-SunstinSunmed, LLC · 2013
  3. Descendant · cites it directly · 0 of its ownK153045 SunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve…Easy Med Instrument Co., Ltd. · 2016

Most influential descendants

Showing 1 of 1 · See all
  • K153045SunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve StimulatorEasy Med Instrument Co., Ltd. · 2016 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K913184MS-Iii MinistimLife-Tech Intl., Inc.1991—
0 (this device)K121743Easymed Peripheral Nerve Stimulator-SunstinSunmed, LLC2013—
+1K153045SunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve StimulatorEasy Med Instrument Co., Ltd.2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
FIG. 1 — Lineage of K121743, 1991–2016Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K213049 STIMPOD NMS450 Nerve Stimulatorscore 5.4 · 5 generations · no Class I recall
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K913184MS-Iii Ministim
Summary page 2
…=== IDENTIFICATION OF PREDICATE DEVICE Company Device 510k No. Life-Tech Intl., Inc. MiniStimn K913 184 DEVICE DESCRIPTION The EasyMed Peripheral Nerve Stimulator devices are battery powered peripheral nerve stimulators which prov…
Life-Tech Intl., Inc.1991—

Also cleared against K913184: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K153045SunStim Peripheral Nerve Stimulator/Sunstim Plus Peripheral Nerve StimulatorEasy Med Instrument Co., Ltd.20160

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?

  • Its one ancestor has no recall.
  • Of its descendants, K153045 (Easy Med Instrument Co., Ltd., 2016) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K913184.

How does its category compare?

All BXN devices

BXN Stimulator, Nerve, Battery-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · BXN

1in 2022

2007: 32009: 22010: 12011: 22013: 12014: 12015: 12016: 12017: 12022: 1
2007high 3 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BXN

108in 2007

2007: 108 days median
2007high 108 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · BXN

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · BXN

4in 2024

2007: 12008: 12009: 12010: 22011: 12012: 52013: 12015: 32017: 12021: 22023: 42024: 4
2007high 5 (2012) · low 0 (2014)2025

MAUDE reports naming product code BXN, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007310801
20080—01
20092—01
20101—12
20112—01
20120—05
20131—01
20141—00
20151—03
20161—00
20171—01
20180—00
20190—00
20200—00
20210—02
20221—00
20230—04
20240—04
20250—00
20260—0—

What is it indicated for?

Ile EasyMed InsrumentsCo., LTD. Peripheral Nerve Stimulator is a battery -powered device intended for monitoring the magnitude of neuromuscular blocks imgeneral anesthesia, by delivering an electrical stimulus nar a peripheral motor nerve.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K121743: Easymed Peripheral Nerve Stimulator-Sunstin.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121743

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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