510(k) · Cleared

Cleared

Panasonic Wrist Blood Pressure Meter, Model EW284

K981542510(k) TraditionalCleared Mar 3, 1999308-day reviewClass II21 CFR 870.1130

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

Panasonic Corporation (Panasonic) · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Mar 3, 1999 as substantially equivalent to K942422 (King & Spalding, 1995) after a 308-day review. Its family tree reaches back 1 generation to 1995.

Decided: Mar 3, 1999
Review: 308 days
Class: Class II
Product code: DXN
Recalls: None
Predicates: 1

Its longest line of descent runs back 1 generation to K942422 (1995). No later device cites it as a predicate yet.

By dateBy generation

Root · 1 generation backK942422 Panasonic Wrist Blood Pressure MeterKing & Spalding · 1995
This deviceK981542 Panasonic Wrist Blood Pressure Meter, Model EW284Panasonic Corporation (Panasonic) · 1999

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
−1	K942422	Panasonic Wrist Blood Pressure Meter	King & Spalding	1995	—
0 (this device)	K981542	Panasonic Wrist Blood Pressure Meter, Model EW284	Panasonic Corporation (Panasonic)	1999	—

FIG. 1 — Lineage of K981542, 1995–1999Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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 DXN? 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 DXN device

#1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 generations · no Class I recall
#2 Held for the reportin the report
#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.

Type	Number	Device	Applicant	Decided	Recalls
*	K942422	Panasonic Wrist Blood Pressure Meter Summary page 2 …ing a pressurized cuff worn around the wrist. BACKGROUND In 1995, the Panasonic wrist blood pressure meter models EW273, EW277, EW278, and EW279 were cleared for market (K942422). Panasonic intends to market an additional device, model EW284. This model is substantially equivalent to Panasonic’s previously…	King & Spalding	1995	—

Also cleared against K942422: 2 other devices →

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?

Its one ancestor has no recall.
2 other devices also cite its predicate K942422.

How does its category compare?

All DXN devices

DXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DXN

28in 2025

2007high 46 (2009) · low 17 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXN

142in 2025

2007high 235 (2018) · low 72 (2011)2026

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

Recalls per year · DXN

3in 2024

2007high 3 (2009) · low 0 (2007)2026

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

Adverse event reports per year · DXN

239in 2025

2007high 617 (2018) · low 8 (2008)2025

MAUDE reports naming product code DXN, 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	27	118	0	21
2008	23	82	1	8
2009	46	73	3	17
2010	43	94	0	14
2011	34	72	1	10
2012	36	116	0	19
2013	34	150	1	72
2014	29	133	0	47
2015	30	97	0	62
2016	30	144	1	54
2017	33	184	0	90
2018	22	235	0	617
2019	33	156	1	96
2020	24	198	0	130
2021	23	190	0	162
2022	25	137	0	155
2023	35	182	0	162
2024	17	107	3	270
2025	28	142	0	239
2026	29	147	0	—

What is it indicated for?

The Panasonic wrist blood pressure meter, model EW 284, is intended to measure systolic and diastolic blood pressure using a pressurized cuff worn around the wrist.

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/K981542 · printed Nov 6, 2026

Cite this page

510(k) Report. “K981542: Panasonic Wrist Blood Pressure Meter, Model EW284.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981542

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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