510(k) Report

510(k) · Cleared

Cleared

Biofeedback Nerve and Muscle Stimulator

K202648510(k) TraditionalCleared Dec 8, 202088-day reviewClass II21 CFR 890.5850

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. · IPF Stimulator, Muscle, Powered

Cleared on Dec 8, 2020 as substantially equivalent to K080950 (Otto Bock, Austria GmbH, 2009) after an 88-day review. Its family tree reaches back 7 generations to 1995. 2 later devices descend from it.

Decided
Dec 8, 2020
Review
88 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K930530 (1995). 24 ancestors in all, the oldest K813008 (1981). 2 later devices descend from it, 2 citing it directly.

  1. Root · 7 generations backK930530 Incare PRS 9300 Pelvic FL Thera Syst/Treat Uri IncHollister, Inc. · 1995
  2. 6 generations backK961872 Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc. · 1996
  3. 5 generations backK974048 Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc. · 1997
  4. 4 generations backK013612 Incare Pelvic Floor Therapy SystemHollister, Inc. · 2002
  5. 3 generations backK050483 Evadri Bladder Control SystemsHollister, Inc. · 2005
  6. 2 generations backK053434 Myotrac Infiniti Electrical StimulatorThought Technology, Ltd. · 2006
  7. 1 generation backK080950 Stiwell MED4Otto Bock, Austria GmbH · 2009
  8. This deviceK202648 Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd. · 2020
  9. Descendant · cites it directly · 0 of its ownK222201 Biological Feedback and Stimulation SystemMedlander Medical Technology, Inc. · 2022
  10. Descendant · cites it directly · 0 of its ownK220161 Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd. · 2022

Most influential descendants

Showing 2 of 2 · See all
  • K222201Biological Feedback and Stimulation SystemMedlander Medical Technology, Inc. · 2022 · cites it directly0descendants
  • K220161Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd. · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K930530Incare PRS 9300 Pelvic FL Thera Syst/Treat Uri IncHollister, Inc.1995—
−6K961872Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc.1996—
−5K974048Incare Pelvic Floor Therapy System with Desktop ComputerHollister, Inc.1997—
−4K013612Incare Pelvic Floor Therapy SystemHollister, Inc.2002—
−3K050483Evadri Bladder Control SystemsHollister, Inc.2005—
−2K053434Myotrac Infiniti Electrical StimulatorThought Technology, Ltd.2006—
−1K080950Stiwell MED4Otto Bock, Austria GmbH2009—
0 (this device)K202648Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd.2020—
+1K222201Biological Feedback and Stimulation SystemMedlander Medical Technology, Inc.2022—
+1K220161Biofeedback 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

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202220
FIG. 1 — Lineage of K202648, 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 IPF? 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 IPF device

  1. #1 K241433 EVE Synergy (EVE-20M)score 19.7 · 25 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
*K080950Stiwell MED4
Summary page 5
…henzhen Konmed Technology Co., Ltd. 510(k)s – 510 (k) Summary Device Name and Model STIWELL med4/ Model: 900101S 510(k) Number K080950 Product Code IPF, GZI, KPI, GZJ, HCC 21 CFR 890.5850…
Otto Bock, Austria GmbH2009—
†K053434Myotrac Infiniti Electrical StimulatorThought Technology, Ltd.2006—
†K081480KEGEL8 Pelvic Exerciser, Model Oph 400Ne Services, Ltd.2008—

Also cleared against K080950: 7 other devices →

What descends from it? (2)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K222201Biological Feedback and Stimulation SystemMedlander Medical Technology, Inc.20220
K220161Biofeedback Nerve and Muscle StimulatorShenzhen Konmed Technology Co., Ltd.20220

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 4 companies; a new generation was cleared every 3.0 years on median.
  • None of the 24 ancestors has a recall.
  • Of its descendants, K222201 (Medlander Medical Technology, Inc., 2022) has gone furthest, with 0 descendants of its own.
  • 7 other devices also cite its predicate K080950.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · IPF

3in 2025

2007: 82008: 62009: 72010: 42011: 42012: 42013: 102014: 42015: 32016: 72017: 52018: 52019: 42020: 92021: 152022: 72023: 92024: 72025: 32026 (partial year): 3
2007high 15 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IPF

257in 2025

2007: 143 days median2008: 140 days median2009: 216 days median2010: 121 days median2011: 275 days median2012: 269 days median2013: 180 days median2014: 264 days median2015: 43 days median2016: 113 days median2017: 110 days median2018: 73 days median2019: 133 days median2020: 121 days median2021: 98 days median2022: 108 days median2023: 255 days median2024: 201 days median2025: 257 days median2026 (partial year): 206 days median
2007high 275 (2011) · low 43 (2015)2026

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

Recalls per year · IPF

1in 2023

2008: 12011: 12012: 32023: 1
2007high 3 (2012) · low 0 (2007)2026

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

Adverse event reports per year · IPF

8in 2025

2007: 112008: 2132009: 1502010: 142011: 252012: 162013: 62014: 192015: 112016: 82017: 22018: 32019: 102020: 132021: 32022: 42023: 82024: 52025: 8
2007high 213 (2008) · low 2 (2017)2025

MAUDE reports naming product code IPF, 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
20078143011
200861401213
200972160150
20104121014
20114275125
20124269316
20131018006
20144264019
2015343011
2016711308
2017511002
201857303
20194133010
20209121013
2021159803
2022710804
2023925518
2024720105
2025325708
202632060—

What is it indicated for?

As a powered muscle stimulator the Biofeedback Nerve and Muscle Stimulator is indicated for the following conditions: -Relaxation of muscle spasm *Prevention or retardation of disuse atrophy -Increasing local blood circulation -Muscle re-education -Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis -Maintaining or increasing range of motion As a biofeedback device the Biofeedback Nerve and Muscle Stimulator is indicated for…

Read the full statement (144 words)

As a powered muscle stimulator the Biofeedback Nerve and Muscle Stimulator is indicated for the following conditions:

-Relaxation of muscle spasm

*Prevention or retardation of disuse atrophy

-Increasing local blood circulation

-Muscle re-education

-Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis

-Maintaining or increasing range of motion

As a biofeedback device the Biofeedback Nerve and Muscle Stimulator is indicated for the following conditions:

-Biofeedback, relaxation and muscle re-education purposes

As a nonimplanted electrical continence device the Biofeedback Nerve and Muscle Stimulator is indicated for the following conditions:

-Acute and ongoing treatment of stress, urge or mixed urinary incontinence and where the following results may improve urinary control: Inhibition of the detruser muscles through reflexive mechanisms and strengthening of pelvic floor muscles.

-Incontinence treatment for assessing EMG activity of the pelvic floor and accessory muscles such as the abdominal and the gluteus muscles.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K202648: Biofeedback Nerve and Muscle Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K202648

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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