Surgery – Diagnostic testing – Respiratory
Reexamination Certificate
1999-07-27
2001-08-28
Lacyk, John P. (Department: 3736)
Surgery
Diagnostic testing
Respiratory
C600S529000
Reexamination Certificate
active
06280392
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an infant condition monitoring system for monitoring the health condition of an infant sleeping on a bed.
2. Related Art
It is a recent social problem that infants die suddenly while sleeping. This is known as sudden infant death syndrome (SIDS) or infant apnea syndrome.
It is proposed to monitor breathing of an infant by monitoring breathing from difference in temperatures of inhaled air and exhaled air detected by a temperature sensor attached to the infant's nasal cavity. It is also proposed to monitor breathing, using a strain gage or the like, by expansion and contraction of a belt attached around the infant's chest.
Those proposed cells require electrical signal wires which connect the sensing cell and a monitoring cell. The signal wires are likely to be wrapped around the infant's neck and to choke the infant's neck when the infant rolls. Further, it is very likely that the infant feels uncomfortable with the sensing cell and takes it away.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide an infant condition monitoring system for monitoring the health condition of a sleeping infant without disturbing.
According to the present invention, a sensor sheet having uniformly arranged plural load cells is placed under an infant to be monitored. An infant's breathing signal is formed from load signals of the load cells, and an infant's breathing condition such as a respiration rate is determined from the breathing signal. An infant's weight and sleeping posture are also determined from the load signals of the load cells. Those determined items are reported on a display and a breathing sound is produced by a speaker from the breathing signal.
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Harada Tatuya
Ito Masahiko
Mori Taketoshi
Sato Tomomasa
Yanai Ken-ichi
Denso Corporation
Lacyk John P.
Natnithithadha Navin
Pillsbury & Winthrop LLP
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