K Number
K963373
Device Name
COSMED K4
Manufacturer
Date Cleared
1997-09-10

(379 days)

Product Code
Regulation Number
868.1880
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
The Cosmed K4 is a metabolic measurement system that allows telemetry monitoring of cardiorespiratory function during physical activities as well as in sports medicine and rehabilitation. The K4 measures, in real conditions, the O2 consumption the CO, production and the heart rate of the person being monitored.
Device Description
The subject wears equipment by a harness and breathes into a face mask held on by an anatomic cap. The respiratory flow, expiratory flow, gas concentrations (02 and C02) and heart rate are measured and transmitted to the Receiver Unit. Data collected are stored for later analysis on a personal computer for which software is supplies and run in Windows Application.
More Information

Not Found

No
The summary describes a system for measuring physiological parameters and storing data for later analysis. There is no mention of AI, ML, or any algorithms that would process the data in a way characteristic of these technologies. The analysis is performed on a personal computer with supplied software, but the description doesn't indicate this software uses AI/ML.

No
The device measures cardiorespiratory function and metabolic parameters for monitoring and analysis, primarily in sports medicine and rehabilitation, rather than directly treating a condition.

Yes
The device measures O2 consumption, CO2 production, and heart rate to monitor cardiorespiratory function, which are physiological markers used to assess the health and function of a system, placing it within the realm of diagnosis even if for athletic performance or rehabilitation.

No

The device description clearly outlines hardware components worn by the user (harness, face mask, anatomic cap) and a Receiver Unit that collects and transmits data. The software is described as running on a personal computer for later analysis, indicating it is a component of a larger system that includes hardware for data acquisition.

Based on the provided information, the Cosmed K4 is not an IVD (In Vitro Diagnostic).

Here's why:

  • Intended Use: The intended use describes the device as a "metabolic measurement system that allows telemetry monitoring of cardiorespiratory function during physical activities as well as in sports medicine and rehabilitation." It measures physiological parameters directly from the subject (O2 consumption, CO2 production, heart rate).
  • Device Description: The description details how the device interacts with the subject (harness, face mask, cap) to collect respiratory flow, gas concentrations, and heart rate. This is in vivo measurement, not in vitro (testing samples outside the body).
  • Lack of IVD Indicators: There is no mention of analyzing biological samples (blood, urine, tissue, etc.) or performing tests on these samples. The measurements are taken directly from the living subject.

IVD devices are specifically designed to examine specimens derived from the human body to provide information for the diagnosis, prevention, monitoring, treatment, or alleviation of disease. The Cosmed K4 measures physiological responses of the body itself, not properties of a sample taken from the body.

N/A

Intended Use / Indications for Use

The Cosmed K4 is a metabolic measurement system that allows telemetry monitoring of cardiorespiratory function during physical activities as well as in sports medicine and rehabilitation. The K4 measures, in real conditions, the O2 consumption the CO, production and the heart rate of the person being monitored.

Product codes

73 BZC

Device Description

Not Found

Mentions image processing

No

Mentions AI, DNN, or ML

No

Input Imaging Modality

Not Found

Anatomical Site

Not Found

Indicated Patient Age Range

Not Found

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)

A summary of the performance of accuracy testing is contained in Attachment #8.
Performance has been verified via Quality Control testing as explained in Attachment #8.

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

Not Found

Predicate Device(s)

K945213

Reference Device(s)

Not Found

Predetermined Change Control Plan (PCCP) - All Relevant Information

Not Found

§ 868.1880 Pulmonary-function data calculator.

(a)
Identification. A pulmonary-function data calculator is a device used to calculate pulmonary-function values based on actual physical data obtained during pulmonary-function testing.(b)
Classification. Class II (performance standards).

0

SUBSTANTIAL EQUIVALENCE SUMMARY

This summary follows the format of the FDA 510(k) Substantial Equivalence Decision Making Process document.

EQUIVALENT (PREDICATE) DEVICE:

(Teen 100) KB1-C Ambulatory K945213 Metabolic Measurement Systems

Manufactured by:

AeroSport. Inc. 3518 West Liberty Ann Arbor, Mi 48103 Telephone: 313-668-3333 Fax: 313-741-0884

Does the KB1-C Ambulatory Metabolic Measurement Systems have the same A. indications statements?

Yes, both products are systems which telemetrically measure metabolic functions, as is the Cosmed K-4.

B. Does the KB1-C Ambulatory Metabolic Measurement Systems have the same technological characteristics, e.g., design, materials, etc. ?

The two systems have substantially the same characteristics as demonstrated in the comparison chart located in this attachment. There is a difference in the type of flowmeter used in both devices. The Cosmed K4 employs a Bi-directional Turbine and the AeroSport KB1-C employs a Orifice pneumotachometer. Both of which measure flowrate.

The only other difference being the radio transmission; the Cosmed K4 uses a FM 433,920 MHz which is approved in Europe. However, the product is manufactured for many countries in the world and the carrier frequency for the output power can be decided by the customer in order to meet country regulations.

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1

Could the new characteristics affect safety and effectiveness? C.

No, metabolic measurements are still accurately measured with both products. The software validation included in Attachment #6, demonstrates accuracy..

Do the new characteristics raise new types of safety or effectiveness questions? D.

No.

E. Do acceptable scientific methods exist for assessing effects of the new characteristics?

Not applicable.

F. Are performance data available to assess the effects of new characteristics?

A summary of the performance of accuracy testing is contained in Attachment #8.

G. Do performance data demonstrate equivalence?

Performance has been verified via Quality Control testing as explained in Attachment #8.

CONCLUSION:

The Cosmed K4 Portable Metabolic Measuring System and the AeroSport Teen 100 / KB1-C Ambulatory Metabolic Measurement System are substantially equivalent as demonstrated by information and literature contained in this pre-market notification document.

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COMPARISON CHART:

The following table displays the similarities and differences of the new device to the marketed device to which equivalency is claimed.

COMPARISON FEATURECOSMED K4AEROSPORT KBC-1
INTENDED USEMetabolic MeasurementsMetabolic Measurements
MODE OF OPERATIONThe subject wears equipment by a
harness and breathes into a face mask
held on by an anatomic cap. The
respiratory flow, expiratory flow, gas
concentrations (02 and C02) and heart
rate are measured and transmitted to
the Receiver Unit. Data collected are
stored for later analysis on a personal
computer for which software is
supplies and run in Windows
Application.The subject wears the equipment
by a harness and breathes into a
facemask held by an anatomic
cap. The respiratory flow, the
expiratory gas concentrations (02
and C02) and the Heart Rate are
measured and transmitted to the
Receiver Unit. Data collected are
stored for later analysis on a
personal computer for which
software is supplies and run in
Windows Application.
MAJOR SEPARATE SYSTEM
COMPONENTSPortable Unit
Receiver Unit
Flowmeter (fixed to the facemask
Heart Rate Monitor BeltPortable Unit
Receiver Unit
Flowmeter (fixed to the facemask
Heart Rate Monitor Belt
METABOLIC MEASUREMENTSV02 (Oxygen Uptake)
VC02 (C02 Production)
VE (Ventilation)
HR (Heart Rate)V02 (Oxygen Uptake)
VC02 (C02 Production)
VE (Ventilation)
HR (Heart Rate)
FLOWMETER TYPEbi-directional TurbineOrifice pneumotachometer
02 ANALYZERGalvanic Fuel CelGalvanic Fuel Cel
C02 ANALYZERNon-Dispersive InfraredNon-Dispersive Infrared
HEART RATE MONITORPOLAR (Finland) BeltUnknown
RADIO TRANSMISSIONFM433.920 MHz, Approved in Europe*FM 902-928MHz
SOFTWAREInternal Software in the Receiver Unit
and Windows PC Software for data
elaborationInternal Software in the Portable
Unit, Windows PC software for
data elaboration.
PORTABLE UNIT: SIZE AND
WEIGHT170 x 48 x 90 mm
400 grams (+400 gm Battery Pack)230 x 120 x 75 mm
1 Kg ( weight of the battery pack
unknown)
RECEIVER UNIT: SIZE AND
WEIGHT237 x 127 x 46 mm
1.2 kgNot known
BIOCOMPATABILITYThe only part in contact with the
patient is the face mask and the
POLAR Heart Rate Belt. The mask is
the same as the AeroSport KB1-C, and
the POLAR belt is already sold in the
US Market.The only part in contact with the
patient is the face mask and the
heart rate belt. The mask is the
same as used in the Cosmed K-4.
  • The Cosmed K4 is manufactured for sale in many different countries, the carrier frequency for the output power can be decided by the customer in order to meet Country regulations.

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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo is circular and contains the words "DEPARTMENT OF HEALTH & HUMAN SERVICES-USA" around the perimeter. Inside the circle is a symbol consisting of three curved lines that resemble a stylized human figure.

Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20856

SEP 10 1997

Cosmed s.r.l. c/o Ms. Anne Marie Cesario Schiff & Company 1129 Bloomfield Avenue West Caldwell, New Jersey 07006

Re : K963373 K4 Portable Metabolic Measurement System Requlatory Class: II (two) Product Code: 73 BZC June 10, 1997 Dated: Received: June 12, 1997

Dear Ms. Cesario:

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 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 requlation (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.

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Page 2 - Ms. Anne Marie Cesario

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 regulation (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/dsmamain.html".

Sincerely yours,

Thomas J. Callahon

Thomas J. Callahan, Ph.D. Director Division of Cardiovascular, Respiratory, and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health

Enclosure

j

5

:

510{k} Premarket Notification Cosmed K4 - Portable Metabolic Measurement System

510(k) Number (if known):

K963373

Device Name:

Cosmed K4 - Portable Metabolic Measurement System

Indications for Use:

The Cosmed K4 is a metabolic measurement system that allows telemetry monitoring of cardiorespiratory function during physical activities as well as in sports medicine and rehabilitation. The K4 measures, in real conditions, the O2 consumption the CO, production and the heart rate of the person being monitored.

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

Concurrence of CDRH, Office of Device Evaluation (ODE)

perfor
Prescription Use
(Division Sign-Off)
Division of Cardiovascular, Respiratory,
and Neurological Devices
510(k) Number.
or
Over-The-Counter Use

(Per 21 CFR 801.109)

(Optional Format 1-2-96)

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