Conducted in conjunction with:

- Harvard Brigham and Women's Hospital (Boston, MA) Department of Anesthesiology, Dr. David Preiss

Cleveland Clinic (Cleveland, OH) Department of Gastroenterology and Hepatology, Digestive Disease Institute, Dr. John Vargo

Einstein Medical Center (Philadelphia, PA) Department of Emergency Medicine, Dr. Joseph Herres

-​ University of Mississippi Medical Center (Jackson MI) - department of anesthesiology,  Dr. Madhankumar Sathyamoorthy 

The purpose of third-party validations for RR and Apnea was to compare the performance of the Linshom technology of respiration detection—a technology that is based on exhaled temperature variations ­— with the currently used technologies that are based on exhaled CO2.

Linshom relative tidal volume measurements were compared to those of a ventilator.

Successful Validations of Respiratory Rates, Apnea and Tidal Volume

Harvard Study Conclusions: (Paper published Feb 2017)

Two patents in the US

Patent in China and Canada

PCT applications in EU, Mexico, Brazil, India and Japan.

Advanced prototypes (Electronics/Software/Sensor)

Respiratory arrest is a life-threatening medical emergency that requires immediate medical attention and management. To save a patient suffering from respiratory arrest, the goal is to immediately restore adequate ventilation and prevent further damage. 
Prevention depends on recognition, recognition depends on monitoring.

The Linshom Respiratory Monitor was designed to improve patient safety by providing continuous, uninterrupted, critical respiratory information through innovative monitoring technology. The Linshom monitor / sensor is safe, reliable, noninvasive, simple to apply to the patient and answers a critical un-met need. Linshom is patented in the U.S. and internationally.

Why is Linshom Important?

By analyzing the respiration signal (period and amplitude) in real time using a peak detection algorithm, it is simple to determine if a valid breath occurred. The following can then be derived:

- Respiratory Rate

- Seconds Since Last Breath
- Apnea
- Relative tidal volume (Vt)
- Minute ventilation

​​Key Accomplishments

What is Linshom?

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3rd Party Validations

“Current technologies are ill-suited for measuring adequate ventilation in the post-operative environment.”

“The reason for Linshom’s accuracy and precision is based on its inherent advantage of providing a continuous measurement of RR while using a reduced time constant to detect breath changes more rapidly than capnography.”

“Another advantage of the Linshom sensor was that it did not require frequent calibration during the study.” 

 “The Linshom technology may be a significant addition to monitoring vital signs because it offers a minimally intrusive chance to detect respiratory rate and apnea, without expensive or complex anesthetic equipment, before the need for life-saving resuscitation arises. This can potentially avoid adverse events and enhance patient safety, thereby substantially reducing the need for costly interventions.”  

“This technology could also be employed in low resource settings such as natural disasters, humanitarian crises, or military conflicts where devices should preferably be portable, lightweight, durable, easy to use, readily replaceable, and cost effective.” 

- Dr. David Priece (Harvard lead investigator)