Big Little Sensor Company
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Big Little Sensor Company
Home
Healthcare
Defense
About Us
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Non-contact vital signs measurements for remote patient monitoring

BLS in healthcare

Use our technology for continuous non-contact vital signs measurement for patient monitoring. Our proprietary radar signal processing algorithms can measure micro vibrations occurring within the body from a distance (up to 2 m) under lighting conditions. Our device can be mounted on a wall or placed adjacent to the patient's bed as a monitoring device in hospitals, ambulances, or at home. It can also be used as a handheld screening device by healthcare professionals. Our prototype can measure 

  • Respiration rate
  • Heart rate 
  • Quantitative body movements

Our Technology

Safe

Easy to install

Non-contact

Extremely low power (much less than one mW), perfectly safe, with radio frequency (RF) emissions 20,000 times lower than smartphones, satisfying FCC standards.

Non-contact

Easy to install

Non-contact

Convenient, comfortable, unintrusive, and hygienic. Contactless vital signs measurement from a distance of up to 2 m.

Easy to install

Easy to install

Multiple vital signs

A seamless setup, powered directly, can be placed at any convenient location without interrupting patients or healthcare professionals.

Multiple vital signs

Non-contact Stethoscope

Multiple vital signs

  • Respiration rate, heart rate, quantitative body movements
  • Cardiac R-R interval 
  • blood flow, pulse pressure, airflow and heart rate variability (coming soon)

Non-contact Stethoscope

Non-contact Stethoscope

Non-contact Stethoscope

 We can extract lung and cardiac acoustics that can assess parameters associated with cardio-pulmonary functions.  

Robust measurements

Non-contact Stethoscope

Non-contact Stethoscope

Tested on multiple subjects and under numerous use cases with published results (accurate breathing rate and ~1 beat/min error for HR measurements), pending clinical tests.

Sense in the dark

See through materials

See through materials

Continuous measurements under any lighting conditions and environments. 

See through materials

See through materials

See through materials

Unaffected and uninterrupted by clothes, blankets, or bedding.

Privacy-preserving

See through materials

Privacy-preserving

Safe and secure data, adhering to privacy standards for both consumer devices and business environments.  

Our Capabilities

A novel approach to contactless vital signs measurement

Learn more

Radar R-R interval analysis

Learn more

Radar cardiography

Learn more

Radar estimated heart sound

Learn more

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