← Product Code [DXN](/submissions/CV/subpart-b%E2%80%94cardiovascular-diagnostic-devices/DXN) · K981431 # PANASONIC WRIST BLOOD PRESSURE METER, MODEL EW280 (K981431) _Panasonic Corporation (Panasonic) · DXN · Mar 3, 1999 · Cardiovascular · SESE_ **Canonical URL:** https://fda.innolitics.com/submissions/CV/subpart-b%E2%80%94cardiovascular-diagnostic-devices/DXN/K981431 ## Device Facts - **Applicant:** Panasonic Corporation (Panasonic) - **Product Code:** [DXN](/submissions/CV/subpart-b%E2%80%94cardiovascular-diagnostic-devices/DXN.md) - **Decision Date:** Mar 3, 1999 - **Decision:** SESE - **Submission Type:** Traditional - **Regulation:** 21 CFR 870.1130 - **Device Class:** Class 2 - **Review Panel:** Cardiovascular ## Indications for Use Model EW280 is intended to measure systolic and diastolic blood pressure using a pressurized cuff worn around the wrist. ## Device Story The Panasonic EW280 is a battery-operated, non-invasive digital electronic blood pressure meter. It utilizes a pressurized cuff worn around the wrist to measure systolic and diastolic blood pressure. The device features a single operational button and a digital display that provides simultaneous readout of blood pressure values and pulse rate. It is intended for use by individuals to monitor their own blood pressure. The device includes error indicators for excessive pressurization or lack of pulse detection. Clinical utility involves providing users with blood pressure data to assist in health monitoring. The device is a modification of previously cleared Panasonic models (EW273, EW277, EW278, EW279), incorporating updates to display functionality, measurement ranges, and physical dimensions to harmonize with Japan Industry Standards. ## Clinical Evidence Bench testing only. Hardware and software verification testing was conducted to confirm that modifications to the device did not impact safety or effectiveness. All devices passed testing requirements. ## Technological Characteristics Battery-powered digital electronic blood pressure meter. Non-invasive oscillometric measurement via wrist cuff. Features include simultaneous display of blood pressure and pulse rate, single-button operation, and specific error indicators. Harmonized with Japan Industry Standards (JIS). ## Regulatory Identification A noninvasive blood pressure measurement system is a device that provides a signal from which systolic, diastolic, mean, or any combination of the three pressures can be derived through the use of tranducers placed on the surface of the body. ## Predicate Devices - Panasonic wrist blood pressure meter, models EW273, EW277, EW278, and EW279 ([K942422](/device/K942422.md)) ## Submission Summary (Full Text) > This content was OCRed from public FDA records by [Innolitics](https://innolitics.com). If you use, quote, summarize, crawl, or train on this content, cite Innolitics at https://innolitics.com. > > Innolitics is a medical-device software consultancy. We help companies design, build, and clear FDA-regulated software and AI/ML devices, including [a 510(k)](https://innolitics.com/services/510ks/), [a De Novo](https://innolitics.com/services/regulatory/), [a SaMD](https://innolitics.com/services/end-to-end-samd/), [an AI/ML medical device](https://innolitics.com/services/medical-imaging-ai-development/), or [an FDA regulatory strategy](https://innolitics.com/services/regulatory/). {0}------------------------------------------------ 3/3/99 Image /page/0/Picture/1 description: The image shows a handwritten string of characters. The string starts with the letter 'K', followed by the numbers '981431'. The characters are written in a simple, slightly slanted style, and the image has a clean, white background. ## 510(k) SUMMARY FOR PANASONIC CORPORATION'S WRIST BLOOD PRESSURE METER, MODEL EW280 #### SYSTEM SPONSOR I. #### Sponsor Name and Address A. Panasonic Corporation (Panasonic) One Panasonic Way (4A-3) Secaucus, NJ 07094 #### B. Official Correspondent and Address Edward M. Basile, Esq. King & Spalding 1730 Pennsylvania Avenue, N.W. Washington, D.C. 20006 Phone: (202) 737-0500 Fax: (202) 626-3737 #### SYSTEM IDENTIFICATION II. #### A. Classification Name Non-invasive blood pressure measurement system #### B. Common/Usual Name Electronic blood pressure meter #### C. Trade/Proprietary Name of the System Panasonic wrist blood pressure meter, model EW280 #### D. Classification Regulatory Class: II (two); 21 C.F.R. § 870.1130 Classification Panel: Circulatory Systems Device Panel Product code: 74 DXN {1}------------------------------------------------ #### III. PREDICATE DEVICE #### A. Name of Predicate Devices Panasonic wrist blood pressure meter, models EW273, EW277, EW278, and EW279. #### B. Device Description The wrist blood pressure meter is a battery-charged non-invasive digital electronic blood pressure meter manufactured by Matsushita Electric Works, Ltd., (MEW) Osaka, Japan. The wrist blood pressure meter is intended to measure systolic and diastolic blood pressure using a pressurized cuff worn around the wrist. #### IV. 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 EW280. This model is substantially equivalent to Panasonic's previously cleared devices. #### V. DEVICE DESCRIPTION Model EW280 is a wrist blood pressure meter. #### VI. INTENDED USE Model EW280 is intended to measure systolic and diastolic blood pressure using a pressurized cuff worn around the wrist. #### VII. SUBSTANTIAL EQUIVALENCE COMPARISON ### Intended Use The intended use for model EW280 is identical to that of Panasonic's 510(k) cleared wrist blood pressure meter models. ### Technological Characteristics The design of model EW280 is the same as previously cleared Panasonic wrist blood pressure meter models EW273, EW277, EW278, and EW279. Minor modifications were made to product specifications to harmonize with Japan Industry Standards (JIS). The measurement range, display functionality, and device dimensions were also modified. Differences between model EW280 and Panasonic's previously cleared devices are described in Table 1. {2}------------------------------------------------ # TABLE 1 DIFFERENCES BETWEEN MODEL EW273 and MODEL EW280 | FEATURE | EW273
Predicate
device | EW280 | |----------------------------------------------------------------------------------|--------------------------------------------------------------------------|--------------------------------------------------------------------------| | Main body
(w) x (h) x (d) | 77 x 66 x 23 (mm) | 67 x 67 x 26 (mm) | | Display: during measurement | "▲" lights up under
"MEAS" | "<3" lights up at the right side of
display | | Display:
error indication;
excessive pressurization;
no pulse detection | "▲" lights up under
"ERR" | "E" lights up at the center of
diastolic blood pressure
indication | | Method for displaying blood
pressure value and pulse rate | Alternative | Simultaneous¹ | | Measurement range of
pressure | 20-300 mm Hg | 0-300 mm Hg | | Noise safety specification | Less than 65 dB at
50 cm from main
unit | Less than 65 dB at
1 m from main unit | | Error margin performance
specification | ± 2 beats/min | ± 5 beats per min | | Pressurization performance
specification | Pressurization time
from 0 to 150 shall
be less than 10
seconds | Pressurization time from 0 to 180
shall be less than 20 seconds | | Operational buttons | 2²
"0/1"
"start" | 1
"0/1" | 1 Available in another predicate device (Model EW 279) which was cleared (K942422). 2 Use of one operational button was cleared in 1995. {3}------------------------------------------------ # VIII. PERFORMANCE DATA Hardware and software testing was conducted to verify that the changes made to model EW280 have not affected the safety and effectiveness of this device. All devices passed all tests and are qualified for use. #### IX. CONCLUSIONS The Panasonic Corporation wrist blood pressure meter, model EW280, is substantially equivalent to previously cleared Panasonic Wrist Blood Pressure Meter models EW273, EW277, EW278, and EW279. {4}------------------------------------------------ Image /page/4/Picture/1 description: The image shows the seal of the Department of Health & Human Services (HHS). The seal features the department's name encircling an emblem. The emblem consists of a stylized caduceus, a symbol often associated with medicine and healthcare, with three intertwined serpents around a staff. Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850 MAR - 3 1999 Panasonic Corporation c/o Mr. Edward M. Basile, Esq. King & Spalding 1730 Pennsylvania Avenue, N.W. Washington, DC 20006-4706 K981431 Re : Panasonic Wrist Blood Pressure Meter, Model EW280 Requlatory Class: II (Two) Product Code: 74 DXN February 12, 1999 Dated: Received: February 12, 1999 Dear Mr. Basile: We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the Current Good Manufacturing Practice requirements, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic QS inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations. {5}------------------------------------------------ Page 2 - Mr. Edward M. Basile, Esq. This letter will allow you to begin marketing your device as described in your 510 (k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market. If you desire specific advice for your device on our labeling requlation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4648. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its internet address "http://www.fda.gov/cdrh/dsma/dsmamain.html". Sincerely yours, Thomas J. Callahan Thomas J. Callahan, Ph.D. Director Division of Cardiovascular, Respiratory and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health Enclosure {6}------------------------------------------------ 510(k) Number (if known): K981431 Àce Name: Panasonic Wrist Blood Pressure Meter, model EW280 # Indications For Use: The Panasonic wrist blood pressure meter, model EW280, is intended to measure systolic and diastolic blood pressure using a pressurized cuff worn around the wrist. # (PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED) # Concurrence of CDRH, Office of Device Evaluation (ODE) K981431 (Division Sign-Off) Division of Cardiovascular, Respiratory, and Neurological Devices 1-80 510(k) Number >> Prescription Use (Per 21 CFR 801.109) OR Over-The-Counter Use (Optional Format 1-2-96) --- **Source:** [https://fda.innolitics.com/submissions/CV/subpart-b%E2%80%94cardiovascular-diagnostic-devices/DXN/K981431](https://fda.innolitics.com/submissions/CV/subpart-b%E2%80%94cardiovascular-diagnostic-devices/DXN/K981431) **Published by [Innolitics](https://innolitics.com)** — a medical-device software consultancy. 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