Patent application number | Description | Published |
20090018452 | PROBE ADAPTED TO MEASURE BIOLOGICAL SIGNAL - A probe is adapted to emit light having at least one wavelength as irradiation light with respect to a measured portion on a biological body in order to measure a biological signal. A light emitting element is configured to emit the light having the at least one wavelength. A light guiding member is provided with: a first end face, being light-reflective and having a first part opposing the light emitting element and a second part surrounding the first part; a second end face, being light-reflective and intersecting the first end face; and a third end face, being light-permeable, opposing the first end face and intersecting the second end face. The light guiding member is configured such that at least part of the light emitted from the light emitting element is reflected by at least one of the first end face and the second end face, and emitted from the third end face as the irradiation light. A light receiving element is configured to receive light reflected by the measured portion. A section shape of the first end face in a direction along an optical axis of the light emitting element is such a shape that at least the second part is coincident with a circumference of an ellipse intersecting a minor axis of the ellipse, and the optical axis of the light emitting element is coincident with the minor axis of the ellipse. | 01-15-2009 |
20090259131 | APPARATUS AND METHOD OF EVALUATING VASCULAR ENDOTHELIAL FUNCTION - An apparatus for evaluating a vascular endothelial function includes: a cuff, to be wound around a part of a body of a subject; a cuff pressure controller, configured to control a pressure of the cuff, and configured to apply continuous pressure stimulation; a cuff pressure detector, configured to detect the pressure of the cuff from output of a pressure sensor connected to the cuff; a pulse wave detector, configured to detect, from the output of the pressure sensor, pulse waves before and after the continuous pressure stimulation is applied; and an analyzer, configured to evaluate the vascular endothelial function by comparing the pulse waves detected before and after the continuous pressure stimulation is applied. | 10-15-2009 |
20090318787 | PULSE OXIMETRY AND PULSE OXIMETER - A pulse oximetry includes: irradiating living tissue with a plurality of light beams of different wavelengths; receiving the light beams transmitted through or reflected from the living tissue and converting the received light beams to electric signals which correspond to the different wavelengths; time-segmenting time series data of the electric signals; calculating, with respect to each of the segmented time series data of the electric signals, a slope value of a regression line between each two of the electric signals; calculating SaO2 based on the slope value of each of the segmented time series data of the electric signals; constructing a histogram of SaO2 for each predetermined number of time segments; and obtaining a mode value from the histogram as SpO2 to be output of the pulse oximetry. | 12-24-2009 |
20100249631 | RESPIRATORY WAVEFORM ANALYZER - A respiratory waveform analyzer, operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator which generates a concentration signal based on an output signal from a sensor that is placed to measure the concentration of the component; a flatness calculator which calculates a flatness indicative of flat degree of the respiratory waveform based on a temporal change of the concentration signal; and a reliability calculator which calculates a reliability of the respiratory waveform based on the flatness and the concentration signal. | 09-30-2010 |
20100317932 | RESPIRATORY FUNCTION MEASURING APPARATUS - A respiratory function measuring apparatus includes: a first sensor configured to detect an invasive blood pressure; a second sensor configured to measure frequency of at least one of a heart beat and a respiration; and a controller configured to extract a respiratory function signal from the invasive blood pressure detected by the first sensor, by using at least one of the frequency measured by the second sensor and a harmonic of the frequency. | 12-16-2010 |
20110054328 | BIOLOGICAL INFORMATION MONITOR - A biological information monitor includes: a first measuring unit which measures a pulse wave propagation time of a patient; a second measuring unit which measures a blood pressure of the patient; a calculating unit which calculates an estimated blood pressure value of the patient based on the pulse wave propagation time of the patient; a setting unit which sets a threshold; and a determining unit which compares the estimated blood pressure value with the threshold. The second measuring unit is activated to measure the blood pressure of the patient at least one of at time intervals and at a time when an operator operates the second measuring unit, and the second measuring unit is activated to measure the blood pressure of the patient by the determining unit based on the comparison result. | 03-03-2011 |
20110060714 | BIOLOGICAL SIGNAL PROCESSING APPARATUS AND MEDICAL APPARATUS CONTROLLING METHOD - A biological signal processing apparatus includes: a provider which provides state probability which corresponds to a value of a first biological signal; an acquirer which acquires a first biological signal in time series from a living body and which acquires state probability in time series which corresponds to a value of the acquired first biological signal from the provider; and a determiner which acquires determination probability based on the state probability acquired by the acquirer and which performs determination whether a process is performed or not by using the determination probability. | 03-10-2011 |
20110066048 | APPARATUS FOR EVALUATING VASCULAR ENDOTHELIAL FUNCTION - An apparatus for evaluating a vascular endothelial function, includes: a first cuff, to be wound around a first body part of a subject; a second cuff, to be wound around a second body part of the subject; a cuff pressure controller, configured to control a cuff pressure of each of the first and second cuffs, and configured to perform continuous pressure stimulation on the first body part of the subject for a time period by using the first cuff; a cuff pressure detector, configured to detect the cuff pressure of the second cuff from an output of a pressure sensor connected to the second cuff; a pulse wave detector, configured to detect, from the output of the pressure sensor, pulse waves before and after the continuous pressure stimulation is performed; and an analyzer, configured to evaluate the vascular endothelial function by comparing the pulse waves detected before and after the continuous pressure stimulation is performed. | 03-17-2011 |
20110125034 | VESSEL WALL MONITORING APPARATUS - A vessel wall monitoring apparatus includes: a first detecting unit which detects vessel diameter information based on first biological information obtained from a subject; a first producing unit which differentiates the vessel diameter information detected by the first detecting unit, to produce a vessel diameter function; a second detecting unit which detects blood pressure based on second biological information obtained from the subject; a second producing unit which performs a logarithmic operation on the blood pressure detected by the second detecting unit, to produce a logarithmic blood pressure function; and an outputting unit which produces an impedance model expression by using the vessel diameter function, the logarithmic blood pressure function, and mechanical characteristic values including a stiffness, viscosity, and inertia, and which calculates and outputs at least one of the stiffness, the viscosity, and the inertia based on the impedance model expression. | 05-26-2011 |
20110230066 | CONNECTOR, CARD EDGE CONNECTOR, AND SENSOR USING THE SAME - A connector includes: a card edge connector; a first cable drawn out from the card edge connector in a first direction; a first terminal disposed in the card edge connector and connected to the first cable; a receptacle into and from which the card edge connector is inserted and extracted; a second cable drawn out from the receptacle in a second direction; and a second terminal disposed in the receptacle and connected to the second cable. Insertion/extraction directions of the card edge connector are substantially perpendicular to at least one of the first direction and the second direction. The card edge connector includes a first end face which is substantially parallel to the insertion/extraction directions, and the receptacle includes a first wall face which is substantially parallel to the insertion/extraction directions. In a state where the card edge connector and the receptacle are coupled to each other, the first end face and the first wall face are in contact with each other. | 09-22-2011 |
20120220900 | CARDIOPULMONARY RESUSCITATION MONITORING APPARATUS - A monitoring apparatus for cardiopulmonary resuscitation includes: an information acquiring section configured to acquire information of a force, displacement, and velocity during a compression of a chest of a living body; a calculating section configured to calculate viscoelasticity information of the chest based on the information of the force, displacement, and velocity, which are acquired by the information acquiring section; an evaluating section configured to perform evaluation related to the cardiopulmonary resuscitation by using the viscoelasticity information which is calculated by the calculating section; and an outputting section configured to perform an output showing the evaluation which is performed by the evaluating section. | 08-30-2012 |
20120232365 | CARDIOPULMONARY RESUSCITATION MONITORING APPARATUS - A cardiopulmonary resuscitation monitoring apparatus includes: a light source section configured to cause light, which includes at least infrared light, to be incident on a living body; a light receiving unit configured to receive at least one of transmitted light that is transmitted through the living body and reflected light that is reflected from the living body; a calculating unit, based on DC components of received light intensities of the received light, configured to calculate a ratio of the DC components of the received light intensities of the received light during execution of cardiopulmonary resuscitation; an evaluating unit configured to perform evaluation related to the cardiopulmonary resuscitation based on the ratio calculated by the calculating unit; and an outputting unit configured to perform an output in accordance with a result of the evaluation performed by the evaluating unit. | 09-13-2012 |
20120245442 | CARDIOPULMONARY RESUSCITATION MONITORING APPARATUS - A cardiopulmonary resuscitation monitoring apparatus includes: a detecting unit configured to obtain a detection signal of a timing of chest compression during execution of cardiopulmonary resuscitation; a pulse oximeter configured to detect a change of a blood volume at the timing of the chest compression based on the detection signal, and configured to obtain an oxygen saturation from the change of the blood volume; an evaluating unit configured to perform evaluation related to the cardiopulmonary resuscitation based on the oxygen saturation; and an outputting unit configured to perform an outputting operation in accordance with a result of the evaluation. | 09-27-2012 |
20120253209 | VENOUS PRESSURE MEASUREMENT APPARATUS - A non-invasive venous pressure measurement apparatus is provided, including: a first cuff attached to a portion including a vein and an artery in a living body; a pressure control unit that changes a first applied pressure applied by the cuff to the portion; a pulse wave detection unit that detects a pulse wave from a pressure received by the cuff from the portion; another pulse wave detection unit that detects another pulse wave including at least an arterial pulse wave in another portion of the living body; an analyzing unit that analyzes a correlation between the two pulse waves, which are changed as the applied pressure is changed by the pressure control unit changes; and a venous pressure calculation unit that calculates a venous pressure based on the applied pressure and a result of analysis by the analyzing unit. | 10-04-2012 |
20120283591 | RESPIRATORY WAVEFORM ANALYZER - A respiratory waveform analyzer, operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator which generates a concentration signal based on an output signal from a sensor that is placed to measure the concentration of the component; a flatness calculator which calculates a flatness indicative of flat degree of the respiratory waveform based on a temporal change of the concentration signal; and a reliability calculator which calculates a reliability of the respiratory waveform based on the flatness and the concentration signal. | 11-08-2012 |
20130158419 | APPARATUS FOR EVALUATING VASCULAR ENDOTHELIAL FUNCTION - An apparatus for evaluating a vascular endothelial function, includes: a cuff pressure controlling unit configured to perform continuous pressure stimulation on a part of a body of a subject for a predetermined time, by using a cuff adapted to be wrapped around the part of the body of the subject; a cuff pressure detecting unit configured to detect a cuff pressure from an output of a pressure sensor connected to the cuff; a pulse wave detecting unit configured to detect a pulse wave from the output of the pressure sensor; and an analyzing unit configured to evaluate the vascular endothelial function by comparing vessel viscoelastic indexes which are obtained from the pulse wave detected in two of zones before, during, and after the pressure stimulation, and which exclude an amplitude of the pulse wave. | 06-20-2013 |
20130165787 | CUFF AND METHOD OF OBSERVING A TISSUE UNDER PRESSURE BY USING THE SAME - A cuff includes: a belt-like body which is adapted to be wrapped around a desired region of a living body; a fixing portion which is provided in the body, and which is configured to fix the body in a state where the body is adapted to be wrapped around the region of the living body; a pressurizing portion which is provided in the body, and to which a fluid pressure is to be supplied to be inflated to pressurize the region of the living body; and an ultrasonic transmissive portion which is provided in the body, and through which an ultrasonic wave for observing a tissue in the region of the living body is transmissible. | 06-27-2013 |
20130231578 | ELECTROCARDIOGRAM ANALYSIS REPORT, ELECTROCARDIOGRAM ANALYSIS APPARATUS, AND ELECTROCARDIOGRAM ANALYSIS PROGRAM - An electrocardiogram analysis report simultaneously displays an electrocardiogram waveform collected from a subject and information about a measurement value calculated from the electrocardiogram waveform. The electrocardiogram analysis report includes a frontal plane display region configured to display a limb leads waveform included in the electrocardiogram waveform and information about a measurement value calculated from the limb leads waveform, and a horizontal plane display region configured to display a chest lead waveform included in the electrocardiogram waveform and information about a measurement value calculated from the chest lead waveform, wherein the information about the measurement value is displayed at a position spaced apart by a distance corresponding to a size of the measurement value in a direction from a predetermined center point to the relevant lead waveform in the frontal plane display region and the horizontal plane display region. | 09-05-2013 |
20130338529 | BIOELECTRIC SIGNAL MEASUREMENT APPARATUS - Provided is a bioelectric signal measurement apparatus that obtains an alternate current component and a direct current component of a bioelectric signal. The apparatus includes a plurality of biomedical electrodes, a switch unit, a differential amplification unit, a bioelectric signal extraction unit, and a timing control unit. The plurality of biomedical electrodes are brought into contact with a living body surface and disposed separately from each other. The switch unit short-circuits the biomedical electrodes via a predetermined short-circuit resistance. The differential amplification unit is connected to the biomedical electrodes and amplifies a difference of electric signals therefrom. The bioelectric signal extraction unit extracts a bioelectric signal from an output signal of the differential amplification unit from the release of short-circuit between the biomedical electrodes to the next timing of short-circuiting. The timing control unit controls timings for short-circuiting the biomedical electrodes and releasing the short-circuit therebetween, which are repeated. | 12-19-2013 |
20140194700 | PHYSIOLOGICAL DATA MONITORING SYSTEM - A physiological information monitoring system for monitoring physiological information on a patient is provided. A first monitor has a first display and a first connector. A second portable monitor has a second display, a second connector, and a signal input unit. A measurement signal of physiological information is input to the signal input unit. The second display unit displays information corresponding to the measurement signal. When the first connector and the second connector are connected, the second display is brought into a non-display status, whereupon the first display displays information corresponding to the measurement signal. | 07-10-2014 |
20140247157 | BIOLOGICAL INFORMATION MONITORING SYSTEM - A biological information monitoring system includes: a first monitoring device which includes a first displaying section and a first connector; a second monitoring device which includes a second connector; and a cable. The second monitoring device includes: a signal receiving section configured to receive a measurement signal related to biological information; and a second displaying section on which information corresponding to the measurement signal is displayed. When communication between the first and second connectors via the cable is established, the second displaying section is set to a non-display state, and the information corresponding to the measurement signal is displayed on the first displaying section. | 09-04-2014 |
20140266786 | MEASUREMENT DATA MONITOR FOR MEDICAL EQUIPMENT AND MEASUREMENT DATA MONITORING SYSTEM FOR MEDICAL EQUIPMENT - A measurement data monitor of the presently disclosed subject matter has a display section for displaying measurement data measured by a medical device; and a display control section for causing the display section to display measurement data, wherein the measurement data displayed on the display section include elements; that is, a measurement value of measurement data and duration of the measurement value. | 09-18-2014 |