510(k) · Cleared
ClearedKFH Energy, Model: E1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kingfisher Healthcare NV · GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Cleared on Mar 11, 2008 as substantially equivalent to K896948 (Electromedical Products, Inc., 1990) and 8 other predicates after a 139-day review. Its family tree reaches back 2 generations to 2001.
- Decided
- Mar 11, 2008
- Review
- 139 days
- Class
- Class II
- Product code
- GZJ
- Recalls
- None
- Predicates
- 9
Its longest line of descent runs back 2 generations to K002874 (2001). 10 ancestors in all, the oldest K831144 (1983). No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K002874 | Well-Tens | Well-Life Consultant | 2001 | — |
| −1 | K050435 | E-Stim II | Lhasa Oms, Inc. | 2005 | — |
| 0 (this device) | K073008 | KFH Energy, Model: E1 | Kingfisher Healthcare NV | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1983 | 2 | 0 |
| 1988 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 2000 | 1 | 0 |
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 GZJ? 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 GZJ device
- #1 K252767 actiTENS miniscore 13.1 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (9)
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 |
|---|---|---|---|
| * | K896948 | Alpha-Stim CSSummary page 2…lthcare NV KFH Energy model El is substantially equivalent in design, use and materials to the: Electromedical Products Intl Inc, Alpha Stim K896948, K881753, K831145, K831144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A… | 1990 |
| * | K881753 | Alpha-Stim 350Summary page 2…V KFH Energy model El is substantially equivalent in design, use and materials to the: Electromedical Products Intl Inc, Alpha Stim K896948, K881753, K831145, K831144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A K915210… | 1988 |
| * | K831145 | Alpha-Stim 350Summary page 2…rgy model El is substantially equivalent in design, use and materials to the: Electromedical Products Intl Inc, Alpha Stim K896948, K881753, K831145, K831144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A K915210 Lhasa O… | 1983 |
| * | K831144 | Alpha-Stim 2000Summary page 2…El is substantially equivalent in design, use and materials to the: Electromedical Products Intl Inc, Alpha Stim K896948, K881753, K831145, K831144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A K915210 Lhasa Oris Inc,… | 1983 |
| * | K915210 | Electro-Nerve Stimulator Tens Model Micro Plus-aSummary page 2…ha Stim K896948, K881753, K831145, K831144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A K915210 Lhasa Oris Inc, E Stim II K050435 Fuji Dynamics Ltd, Medisana Digital Tens… | 1992 |
| * | K050435 | E-Stim IISummary page 2…31144 BioMedical Life Systems, Electro-nerve stimulator TENS model micro plus-A K915210 Lhasa Oris Inc, E Stim II K050435 Fuji Dynamics Ltd, Medisana Digital Tens K994265 Globalcare Intl., Inc, Globalcare Micro II and Mi… | 2005 |
| * | K994265 | Medisana Digital TensSummary page 2…lus-A K915210 Lhasa Oris Inc, E Stim II K050435 Fuji Dynamics Ltd, Medisana Digital Tens K994265 Globalcare Intl., Inc, Globalcare Micro II and Microcare (TENS) K903394 510(k) Summary Section I… | 2000 |
| * | K903394 | Globalcare Micro 11 and Microcare (Tens)Summary page 2…Fuji Dynamics Ltd, Medisana Digital Tens K994265 Globalcare Intl., Inc, Globalcare Micro II and Microcare (TENS) K903394 510(k) Summary Section I Page 3 of 6 25-Feb-08 K073008… | 1991 |
| * | K923298 | Micro 100,200,300, & 400 TensSummary page 3…K KFH Response to Email of S. Hinckley 7 Feb 2008 Skylark Device Co Ltd, Micro 300 K923298 Comparison of Technological Characteristics The Kingfisher Healthcare NV KFH Energy model El is a microcurrent TENS device fo… | 1992 |
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 7 years and passes through 3 companies; a new generation was cleared every 4.1 years on median.
- None of the 10 ancestors has a recall.
- 1 other device also cites its predicate K896948.
How does its category compare?
All GZJ devicesGZJ Stimulator, Nerve, Transcutaneous, For Pain Relief: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · GZJ
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GZJ
207in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GZJ
1in 2011
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GZJ
13in 2025
MAUDE reports naming product code GZJ, 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 | 13 | 223 | 4 | 4 |
| 2008 | 11 | 136 | 1 | 45 |
| 2009 | 16 | 155 | 0 | 17 |
| 2010 | 5 | 232 | 0 | 22 |
| 2011 | 5 | 168 | 1 | 22 |
| 2012 | 12 | 154 | 0 | 20 |
| 2013 | 2 | — | 0 | 10 |
| 2014 | 4 | 344 | 0 | 23 |
| 2015 | 3 | 202 | 0 | 18 |
| 2016 | 3 | 163 | 0 | 32 |
| 2017 | 3 | 113 | 0 | 58 |
| 2018 | 2 | — | 0 | 21 |
| 2019 | 3 | 156 | 0 | 7 |
| 2020 | 4 | 183 | 0 | 10 |
| 2021 | 3 | 231 | 0 | 5 |
| 2022 | 4 | 175 | 0 | 4 |
| 2023 | 1 | — | 0 | 39 |
| 2024 | 3 | 207 | 0 | 12 |
| 2025 | 1 | — | 0 | 13 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The KFH Energy device is indicated for the symptomatic relief of:
Chronic Intractable Pain
Post-Traumatic Pain
Post-Surgical Pain
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K073008 · printed Nov 6, 2026
Cite this page
510(k) Report. “K073008: KFH Energy, Model: E1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K073008
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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