510(k) · Cleared
ClearedRossmax Automatic Wristwatch Blood Pressure Monitor, Model RM-4100
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Rossmax International, Ltd. · DPW Flowmeter, Blood, Cardiovascular
Cleared on Aug 3, 1999 after a 15-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Aug 3, 1999
- Review
- 15 days
- Class
- Class II
- Product code
- DPW
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in DPW? 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 DPW device
- #1 K251114 FloPatch FP120score 13.7 · 5 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
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.
How does its category compare?
All DPW devicesDPW Flowmeter, Blood, Cardiovascular: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DPW
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DPW
119in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DPW
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DPW
6in 2025
MAUDE reports naming product code DPW, 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 | 1 | — | 4 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 1 |
| 2010 | 2 | — | 1 | 0 |
| 2011 | 4 | 89 | 0 | 1 |
| 2012 | 1 | — | 1 | 0 |
| 2013 | 2 | — | 0 | 3 |
| 2014 | 0 | — | 0 | 8 |
| 2015 | 3 | 275 | 0 | 12 |
| 2016 | 1 | — | 0 | 1 |
| 2017 | 0 | — | 1 | 2 |
| 2018 | 2 | — | 0 | 0 |
| 2019 | 3 | 169 | 0 | 3 |
| 2020 | 2 | — | 0 | 4 |
| 2021 | 2 | — | 0 | 6 |
| 2022 | 3 | 136 | 0 | 1 |
| 2023 | 1 | — | 0 | 2 |
| 2024 | 1 | — | 0 | 4 |
| 2025 | 3 | 119 | 1 | 6 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
To measure systolic and diastolic blood pressure and heart rate on the wrist using the oscillometric method. Limited to patient over 18 years and wrist circumference between 5.3 to 7.7 inches.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K992387 · printed Nov 6, 2026
Cite this page
510(k) Report. “K992387: Rossmax Automatic Wristwatch Blood Pressure Monitor, Model RM-4100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K992387
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026