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Performance Validation of a Non-contact Breathing Frequency Monitor (Model BM07)

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ClinicalTrials.gov Identifier: NCT01319396
Recruitment Status : Completed
First Posted : March 21, 2011
Results First Posted : August 15, 2011
Last Update Posted : August 15, 2011
Sponsor:
Information provided by:
ResMed

Brief Summary:
The purpose of this study is to compare the accuracy of the BiancaMed BM07 breathing frequency indicator device with the respiration rate measured by a SomnoScreen RC Easy device on 20+ human volunteers. This is being carried out in support of a 510(k) submission.

Condition or disease
Unspecified Threat to Breathing

Detailed Description:

The purpose of this study is to compare the accuracy of the BiancaMed BM07 breathing frequency indicator device with the respiration rate measured by a SomnoScreen RC Easy device on 20+ human volunteers. This is being carried out in support of a 510(k) submission.

  • The BM07 is a non-contact device, using radio frequency (RF) range measurement to detect the chest wall motion, and thus the respiration rate. The BM07 is a CE Class IIa cleared device.
  • The SomnoScreen RC Easy is both a CE and FDA (K060708) cleared device, used as an overnight, portable sleep recorder. One of its inputs is a pair of chest respiration effort bands that can be used to record the breathing rate of the subject.
  • The human volunteers are selected to be a range of age, body mass index (BMI) and gender so as to cover a broad cross section of the population. BMI, gender and age are features that might affect the performance of the RF reflected signal:

    • High BMI or low BMI could affect the skin RF reflectivity.
    • High BMI may mask chest wall movement during breathing.
    • The thinner skin often associated with increasing age may affect RF reflectivity.
    • Female breast tissue may affect RF reflectivity or mask chest wall movement.

The target performance is an agreement between the BM07 and the Somnoscreen of +/- 5 breaths per minute. This target has been selected based upon a literature review, in particular:

  • Lim et al: Respiratory Rate Measurement in Adults - How Reliable is it?
  • Droitcour PhD Thesis: Non-Contact Measurement of Heart and Respiration Rates with a Single-Chip Microwave Doppler Radar.

There is no risk to the subjects as the RF energy emitted by the BM07 is much less than that of either a mobile phone bluetooth or a domestic WLAN router.

The testing is to be carried out on volunteer human subjects, who sign a consent form. The locations of testing are Dublin, Ireland and Belfast, UK.

The testing comprises the subjects sitting still for periods of 2 minutes whilst recordings are taken from both the BM07 and Somnoscreen. The test configurations are ranges from the BM07 to subject of 0.5, 1.0 & 1.5m and 1.0m with a thick folded duvet (overblanket/comforter) covering the subject to represent them wearing thick outdoor winter clothing. Each test configuration is carried out twice, making a total of 8 test recordings per subject.

The first 2 volunteers will be used to confirm that the maximum effective range of the BM07 is at least 1.5 m and that the target aspect of the subject (ie the sensor being in front, to one side and from behind) does not affect the ability of the BM07 to detect breathing movement

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Study Type : Observational
Actual Enrollment : 24 participants
Observational Model: Case-Only
Time Perspective: Cross-Sectional
Official Title: Performance Validation of a Non-contact Breathing Frequency Monitor (Model BM07)
Study Start Date : October 2010
Actual Primary Completion Date : December 2010
Actual Study Completion Date : March 2011



Primary Outcome Measures :
  1. Accuracy of Breathing Rate Measurement [ Time Frame: 2 minutes ]
    accuracy of breathing rate indicated by the BiancaMed BM07 device, compared to that indicated by Somnoscreen to be +/- 5 breaths per minute (95% confidence)



Information from the National Library of Medicine

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Ages Eligible for Study:   10 Years and older   (Child, Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
twenty two plus volunteer subjects, distributed on the follwoing parameters: gender balance: 1/3:2/3 or better. age range: aged 10 years through to senior citizens BMI range: 19 to 40+, or wider
Criteria

Inclusion Criteria:

  • volunteer
  • consent

Exclusion Criteria:

  • non

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01319396


Locations
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Ireland
BiancaMed Ltd
Dublin, Ireland, Dublin 4
Sponsors and Collaborators
ResMed
Investigators
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Principal Investigator: Paul D Phillips, MSc, MA ResMed
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Responsible Party: Paul Phillips, BiancaMed Ltd
ClinicalTrials.gov Identifier: NCT01319396    
Other Study ID Numbers: BM07_8DTS
First Posted: March 21, 2011    Key Record Dates
Results First Posted: August 15, 2011
Last Update Posted: August 15, 2011
Last Verified: March 2011
Keywords provided by ResMed:
breathing rate
Additional relevant MeSH terms:
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Respiratory Aspiration
Respiration Disorders
Respiratory Tract Diseases
Pathologic Processes