Stress detecting device and method for monitoring breathing
First Claim
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1. Stress detecting device for monitoring respiration, comprising:
- a base supporting a transducer responsive to forces applied, at least indirectly, thereon by a slideably engageable, at least partly elastic belt, said transducer producing electrical signals representative of magnitudes of said forces, andmeans allowing at least one component of said forces in a selected direction to be applied to said transducer, while suppressing application of other components in other directions of said forces to the transducer.
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Abstract
Stress detecting device for monitoring respiration, including a base supporting a transducer responsive to forces applied, at least indirectly, thereon by a slideably engageable belt, for producing electrical signals representative of magnitudes of the forces, and an element allowing at least one component of the forces in a selected direction to be applied to the transducer, while supressing application of other components in other directions of the forces to the transducer. A method for detecting and monitoring circumferential changes in the chest or abdomen of a user resulting from breathing, is also disclosed.
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Citations
13 Claims
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1. Stress detecting device for monitoring respiration, comprising:
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a base supporting a transducer responsive to forces applied, at least indirectly, thereon by a slideably engageable, at least partly elastic belt, said transducer producing electrical signals representative of magnitudes of said forces, and means allowing at least one component of said forces in a selected direction to be applied to said transducer, while suppressing application of other components in other directions of said forces to the transducer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. Stress detecting device, comprising a stretchable belt for converting deformations in the chest or abdomen of a user into mechanical stresses;
- a stress-filter base means slidably engaging said belt for selecting components of said mechanical stresses;
a transducer converting said selected components into a measurable property;
means for isolating said components produced by said transducer and cover means for protecting said stress-filter base means and transducer from forces other than those eminating from stretching of said belt when worn by, and as a result of circumferential changes in the chest or abdomen associated with breathing motions of, the user.
- a stress-filter base means slidably engaging said belt for selecting components of said mechanical stresses;
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13. A method for detecting and monitoring circumferential changes in the chest or abdomen of a user resulting from breathing, comprising:
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surrounding said chest or abdomen with a stretchable belt; converting deformations of said chest or abdomen due to breathing into mechanical stresses in said belt; detecting said mechanical stresses associated with chest or abdomen deformations due to breathing while reducing detection of stresses in said belt not associated with respiratory functions by having a base supporting a transducer slidably engaged with the stretchable belt; and transducing at least one component of said mechanical stresses into electrical displayable biosignals.
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Specification