510(k) Report

510(k) · Cleared

Cleared

Biofeedback Nerve and Muscle Stimulator

K220161510(k) TraditionalCleared Jul 20, 2022181-day reviewClass II21 CFR 876.5320

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

Shenzhen Konmed Technology Co., Ltd. · KPI Stimulator, Electrical, Non-Implantable, For Incontinence

Cleared on Jul 20, 2022 as substantially equivalent to K202648 (Shenzhen Konmed Technology Co., Ltd., 2020) after a 181-day review. Its family tree reaches back 8 generations to 1995.

Decided
Jul 20, 2022
Review
181 days
Class
Class II
Product code
KPI
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K930530 (1995). 25 ancestors in all, the oldest K813008 (1981). No later device cites it as a predicate yet.

  1. Root · 8 generations backK930530 Incare PRS 9300 Pelvic FL Thera Syst/Treat Uri IncHollister, Inc. · 1995
  2. 7 generations backK961872 Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc. · 1996
  3. 6 generations backK974048 Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc. · 1997
  4. 5 generations backK013612 Incare Pelvic Floor Therapy SystemHollister, Inc. · 2002
  5. 4 generations backK050483 Evadri Bladder Control SystemsHollister, Inc. · 2005
  6. 3 generations backK053434 Myotrac Infiniti Electrical StimulatorThought Technology, Ltd. · 2006
  7. 2 generations backK080950 Stiwell MED4Otto Bock, Austria GmbH · 2009
  8. 1 generation backK202648 Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd. · 2020
  9. This deviceK220161 Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K930530Incare PRS 9300 Pelvic FL Thera Syst/Treat Uri IncHollister, Inc.1995—
−7K961872Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc.1996—
−6K974048Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc.1997—
−5K013612Incare Pelvic Floor Therapy SystemHollister, Inc.2002—
−4K050483Evadri Bladder Control SystemsHollister, Inc.2005—
−3K053434Myotrac Infiniti Electrical StimulatorThought Technology, Ltd.2006—
−2K080950Stiwell MED4Otto Bock, Austria GmbH2009—
−1K202648Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd.2020—
0 (this device)K220161Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198610
198710
199410
199610
199710
199810
200020
200130
200330
200420
FIG. 1 — Lineage of K220161, 1995–2022Source: 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 KPI? 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 KPI device

  1. #1 K262353 BTL-299-Fscore 14.8 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K202648Biofeedback Nerve and Muscle Stimulator
Summary page 4
…I Review Panel Gastroenterology/Urology, Neurology Product Code KPI, HCC 3. Predicate Devices 510(k) number K202648 Trade name of the Device Biofeedback Nerve and Muscle Stimulator…
Shenzhen Konmed Technology Co., Ltd.2020—

Also cleared against K202648: 1 other device →

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 27 years and passes through 4 companies; a new generation was cleared every 3.0 years on median.
  • None of the 25 ancestors has a recall.
  • 1 other device also cites its predicate K202648.

How does its category compare?

All KPI devices

KPI Stimulator, Electrical, Non-Implantable, For Incontinence: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · KPI

7so far in 2026, the most since 2007

2007: 12008: 12009: 22011: 12012: 22013: 12014: 32015: 62016: 32017: 12018: 32019: 22020: 12021: 32022: 32023: 32024: 42025: 42026 (partial year): 7
2007high 7 (2026) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPI

263in 2025

2014: 57 days median2015: 260 days median2016: 89 days median2018: 304 days median2021: 217 days median2022: 181 days median2023: 197 days median2024: 172 days median2025: 263 days median2026 (partial year): 248 days median
2007high 304 (2018) · low 57 (2014)2026

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

Recalls per year · KPI

No recall names KPI since 2007.

Adverse event reports per year · KPI

2in 2024

2013: 12015: 22017: 42019: 22020: 32021: 12022: 22023: 62024: 2
2007high 6 (2023) · low 0 (2007)2025

MAUDE reports naming product code KPI, 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
20071—00
20081—00
20092—00
20100—00
20111—00
20122—00
20131—01
201435700
2015626002
201638900
20171—04
2018330400
20192—02
20201—03
2021321701
2022318102
2023319706
2024417202
2025426300
202672480—

What is it indicated for?

The device is intended to provide electrical stimulation and neuromuscular re-education for the purpose of rehabilitation

of weak pelvic floor muscles for the treatment of stress, urge and mixed urinary incontinence in women and to maintain

urinary continence in women.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K220161: Biofeedback Nerve and Muscle Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K220161

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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