K Number
K980550
Device Name
WHISTLE WATCH
Date Cleared
1998-08-27

(196 days)

Product Code
Regulation Number
868.1860
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdparty
Intended Use
The Whistle Watch is a peak flow meter that has been designed to enable asthmatic children to check their respiratory status.
Device Description
The Whistle Watch is a peak flow meter
More Information

Not Found

Not Found

No
The summary describes a standard peak flow meter and explicitly states that AI, DNN, or ML were not found.

Yes
The device is intended for asthmatic children to check their respiratory status, which indicates it's used for monitoring a medical condition and thus has a therapeutic purpose.

Yes
Explanation: The device is described as enabling asthmatic children to "check their respiratory status," which indicates a diagnostic function for monitoring health conditions.

No

The description explicitly states the device is a "peak flow meter," which is a hardware device used to measure lung function. There is no mention of software being the primary or sole component.

Based on the provided information, the Whistle Watch is not an IVD (In Vitro Diagnostic).

Here's why:

  • IVDs are used to examine specimens from the human body. The Whistle Watch is a peak flow meter, which measures the force of air exhaled from the lungs. This is a direct measurement of a physiological function, not an analysis of a biological sample.
  • The intended use describes monitoring respiratory status. This is a functional assessment, not a diagnostic test performed on a sample.

Therefore, the Whistle Watch, as described, falls under the category of a medical device used for monitoring a physiological parameter, not an in vitro diagnostic device.

N/A

Intended Use / Indications for Use

The Whistle Watch is a peak flow meter that has been designed to enable asthmatic children to check their respiratory status.

Product codes

73 BZH

Device Description

Not Found

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

Not Found

Anatomical Site

Not Found

Indicated Patient Age Range

Children

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

Not Found

Summary of Performance Studies (study type, sample size, AUC, MRMC, standalone performance, key results)

Not Found

Key Metrics (Sensitivity, Specificity, PPV, NPV, etc.)

Not Found

Predicate Device(s): If the device was cleared using the 510(k) pathway, identify the Predicate Device(s) K/DEN number used to claim substantial equivalence and list them here in a comma separated list exactly as they appear in the text. List the primary predicate first in the list.

Not Found

Reference Device(s): Identify the Reference Device(s) K/DEN number and list them here in a comma separated list exactly as they appear in the text.

Not Found

Predetermined Change Control Plan (PCCP) - All Relevant Information for the subject device only (e.g. presence / absence, what scope was granted / cleared under the PCCP, any restrictions, etc).

Not Found

§ 868.1860 Peak-flow meter for spirometry.

(a)
Identification. A peak-flow meter for spirometry is a device used to measure a patient's maximum ventilatory flow rate.(b)
Classification. Class II (performance standards).

0

Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is a stylized image of three human profiles facing to the right, with flowing lines connecting them.

Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850

AUG 27 1998

Harwill Medical (PTY) Ltd. c/o Smith Associates P.O. Box 4341 Crofton, MD 21114 Attn: Mr. E.J. Smith

Re: K980550 Whistle Watch Regulatory Class: II (two) Product Code: 73 BZH Dated: June 11, 1998 Received: June 11, 1998

Dear Mr. Smith:

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 Requlation (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.

1

Page 2 - Mr. E.J. Smith

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"(21 CFR 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

2

510(k) Number (if known)

Device Name: Harwill Medical Whistle Watch

Classification Panel:

-- Indications for Use:

The Whistle Watch is a peak flow meter that has been designed to enable asthmatic children to check their respiratory status.

Federal (USA) law restricts this device to sale by or on the order of a physician.

(PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED

Concurrence of CDRH, Office of Device Evaluation (ODE)

Prescription UseorOver the Counter Use
-------------------------------------------------------------------------------------------------------------------------------------------------

Lak W. Madero 8-25-98

(Division Sign-Off)

Division of Cardiovascular, Respiratory, and Neurological Devices

510(k) NumberK980550
------------------------