510(k) · Decided
DecidedRedDrop ONE (One)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Reddrop DX · FMK Single Use Only Blood Lancet With An Integral Sharps Injury Prevention Feature
Cleared on Mar 21, 2024 as substantially equivalent to K223201 (Yourbio Health, Inc., 2023) after a 90-day review. Its family tree reaches back 6 generations to 1982.
- Decided
- Mar 21, 2024
- Review
- 90 days
- Class
- Class II
- Product code
- FMK
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K822209 (1982). 8 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK822209 AutolancetBd Becton Dickinson Vacutainer Systems Preanalytic · 1982
- 5 generations backK101145 Surgilance Safety Lancets, Models SLN100, SLN200, SLN240, SLN300…Medipurpose Pte., Ltd. · 2010
- 4 generations backK192666 Promisemed Blood Lancet, VeriFine Safety Lancet, VeriFine…Promisemed Hangzhou Meditech Co., Ltd. · 2019
- 3 generations backK220370 Safety Lancet (XIII, XVII, XXI, XXII, XXIII, XXIV, XXV, XXVI)Tianjin Huahong Technology Co., Ltd. · 2022
- 2 generations backK221131 Tasso+Tasso, Inc. · 2022
- 1 generation backK223201 TAP LancetYourbio Health, Inc. · 2023
- This deviceK234081 RedDrop ONE (One)Reddrop DX · 2024
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K822209 | Autolancet | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1982 | — |
| −5 | K101145 | Surgilance Safety Lancets, Models SLN100, SLN200, SLN240, SLN300, SLB200, SLB250 | Medipurpose Pte., Ltd. | 2010 | — |
| −4 | K192666 | Promisemed Blood Lancet, VeriFine Safety Lancet, VeriFine Mini-Safety Lancet | Promisemed Hangzhou Meditech Co., Ltd. | 2019 | — |
| −3 | K220370 | Safety Lancet (XIII, XVII, XXI, XXII, XXIII, XXIV, XXV, XXVI) | Tianjin Huahong Technology Co., Ltd. | 2022 | — |
| −2 | K221131 | Tasso+ | Tasso, Inc. | 2022 | — |
| −1 | K223201 | TAP Lancet | Yourbio Health, Inc. | 2023 | — |
| 0 (this device) | K234081 | RedDrop ONE (One) | Reddrop DX | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 1 | 0 |
| 2012 | 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 FMK? 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 FMK device
- #1 K220370 Safety Lancet (XIII, XVII, XXI, XXII, XXIII…score 25.0 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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 |
|---|---|---|---|
| * | K223201 | TAP LancetSummary page 5…n Number: 21 CFR 878.4850 Device Class: II Product Code: FMK Panel: General Surgery OHT4 Predicate Device: TAP Lancet (K223201) Device Description: The RedDrop ONE Lancet is a single-use blood lancing device with an integral sha… | 2023 |
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 42 years and passes through 7 companies; a new generation was cleared every 2.5 years on median.
- None of the 8 ancestors has a recall.
- 1 other device also cites its predicate K223201.
How does its category compare?
All FMK devicesFMK Single Use Only Blood Lancet With An Integral Sharps Injury Prevention Feature: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · FMK
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FMK
59in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FMK
1in 2009
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FMK
47in 2025
MAUDE reports naming product code FMK, 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 | 0 | — | 4 | 1,206 |
| 2008 | 0 | — | 2 | 1,100 |
| 2009 | 0 | — | 1 | 882 |
| 2010 | 2 | — | 0 | 910 |
| 2011 | 0 | — | 0 | 1,493 |
| 2012 | 2 | — | 0 | 1,573 |
| 2013 | 1 | — | 0 | 1,301 |
| 2014 | 0 | — | 0 | 890 |
| 2015 | 0 | — | 0 | 781 |
| 2016 | 1 | — | 0 | 539 |
| 2017 | 1 | — | 0 | 531 |
| 2018 | 0 | — | 0 | 534 |
| 2019 | 2 | — | 0 | 399 |
| 2020 | 0 | — | 0 | 313 |
| 2021 | 1 | — | 0 | 245 |
| 2022 | 25 | 87 | 0 | 254 |
| 2023 | 10 | 95 | 0 | 282 |
| 2024 | 10 | 57 | 0 | 243 |
| 2025 | 4 | 59 | 0 | 47 |
| 2026 | 5 | 68 | 0 | — |
What is it indicated for?
The RedDrop ONE is a single-use blood lancing device intended for producing microliter capillary whole blood samples. It does not collect or transport such samples.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K234081 · printed Nov 5, 2026
Cite this page
510(k) Report. “K234081: RedDrop ONE (One).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K234081
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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