| NIHON KOHDEN CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120136228 | METHOD OF INFORMING SENSOR MOUNTING TIME PERIOD AND APPARATUS FOR INFORMING SENSOR MOUNTING TIME PERIOD - The sensor mounting time period informing apparatus is provided with the detecting part, the timer part, the discriminating part, and the informing part. The detecting part detects whether or not the sensor is mounted on the living body for measuring biological information. The timer part counts the elapsed time period during which the sensor is continuously mounted on the living body based on the detection results of the detecting part. The discriminating part discriminates whether or not the elapsed time has reached the specified standard time. The informing part issues a notification when the elapsed time has reached the standard time based on the discrimination result of the discriminating part. | 05-31-2012 |
| 20120130211 | Biological Signal Measuring Apparatus and Biological Signal Measuring Method - A biological signal measuring apparatus includes: a light emitter which emits at least two light beams having different wavelengths to living tissue of a subject; a light receiver which receives the light beams that are emitted from the light emitter, and which converts at least one of the light beams to at least one electric signal that corresponds to a reception light intensity of the at least one of the light beams; a detector which detects temporal variation of the reception light intensity from the electric signal; a selector which selects a pulse oximeter mode in which at least one of an oxygen saturation and a pulse rate is calculated and a capillary refilling time measurement mode in which a capillary refilling time is calculated; and a calculator which, based on the temporal variation of the reception light intensity, performs a calculation in the mode that is selected by the selector. | 05-24-2012 |
| 20120089044 | BIOLOGICAL SIGNAL DISPLAY APPARATUS - A biological signal display apparatus includes: a stimulation unit which performs stimulation on a living body; a measurement unit which measures an evoked response evoked by the stimulation; a calculator which calculates a feature amount of the evoked response; a display unit; and a display controller which, based on the feature amount calculated by the calculator, displays a bar-shaped image on the display unit, each time when the stimulation is performed, the bar-shaped image corresponding with the evoked response on the display unit. | 04-12-2012 |
| 20120068855 | MEDICAL TELEMETRY SYSTEM AND MEDICAL TELEMETER - A medical telemetry system includes: a medical telemeter including: a measuring portion which measures a biological signal of a patient as biological signal data; a communicating portion which wirelessly transmits the biological signal data; and a connection information storing portion which stores connection information; and a receiver including: a non-contact communicating portion which executes first non-contact communication to read the connection information in a non-contact manner; a storage portion which stores the connection information read by the non-contact communicating portion; and a receiving portion which starts reception of the biological signal data transmitted by the communicating portion, when the connection information is stored in the storage portion. | 03-22-2012 |
| 20120065477 | MEDICAL TELEMETRY SYSTEM AND MEDICAL TELEMETER - A medical telemetry system include: a transmitter which transmits a first signal; a first medical telemeter which transmits a second signal including biological information of a patient, the first medical telemeter which receives the first signal and which performs an operation corresponding to information included in the first signal; and a monitor apparatus which receives the second signal. | 03-15-2012 |
| 20120046561 | BLOOD PRESSURE MEASURING APPARATUS - A blood pressure measuring apparatus, which measures a blood pressure of a living body, includes: a cuff-pressure control unit which controls a cuff pressure of a cuff that presses a part of the living body; an oscillation signal detection unit which detects an oscillation signal from the cuff pressure; a blood pressure specification unit which specifies systolic and diastolic blood pressures as the blood pressure of the living body from the oscillation signal; and a blood pressure determination unit which determines whether systolic and diastolic blood pressures are appropriate or not. The cuff-pressure control unit controls the cuff pressure to be inflated to a first set value, the blood pressure specification unit specifies the systolic and diastolic blood pressures based on a change of an oscillation signal that is detected by the oscillation signal detection unit when the cuff pressure is inflated to the first set value, and when the blood pressure determination unit determines that both the systolic and diastolic blood pressures are appropriate, the cuff-pressure control unit ends the inflating of the cuff pressure to release the cuff pressure. | 02-23-2012 |
| 20120029371 | DERIVED ELECTROCARDIOGRAM GENERATING SYSTEM AND DERIVED ELECTROCARDIOGRAM GENERATING METHOD - A derived electrocardiogram generating system includes: a personal coefficient database which stores personal coefficients specific to a subject, the personal coefficients being acquired from the subject; a population coefficient database which stores population coefficients which are average values of conversion coefficients acquired from an unspecified large number of persons belonging to a statistically significant population; and an electrocardiograph control portion: which generates a derived electrocardiogram of the subject using the personal coefficients when the personal coefficients are present in the personal coefficient database; and which generates a derived electrocardiogram of the subject using the population coefficients when the personal coefficients are absent in the personal coefficient database. | 02-02-2012 |
| 20110288423 | BLOOD PRESSURE MEASURING APPARATUS AND BLOOD PRESSURE MEASURING METHOD - A blood pressure measuring apparatus which measures a blood pressure in a step of gradually changing a cuff pressure adapted to press an artery, includes: a pulse wave detecting unit; a pulse wave interval measuring unit; a waveform information storing unit; a change trend calculating unit; a waveform information comparing unit; and a determining unit which, when first two of the pulse waves, which are successively detected at different cuff pressures, satisfy a predetermined condition: that a magnitude relationship between the amplitudes of the first two of the pulse waves is consistent with the change trend of the first two of the pulse waves; that the pulse wave interval between the first two of the pulse waves is within a predetermined range; and that the waveform information of the first two of the pulse waves approximately coincide with each other, determines that the amplitude of latter one of the first two of the pulse waves is to be used for calculating the blood pressure value. | 11-24-2011 |
| 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 |
| 20110214971 | ELECTRONIC APPARATUS - An electronic apparatus includes: an apparatus body which can house a battery; a lid member which is coupled to the apparatus body; an operating portion which is moved between an ON position where a power source supplied from the battery is turned ON, and an OFF position where the power source is turned OFF; and a unit which, when the operating portion is not at a position which is one of the ON position and the OFF position, moves the operating portion to the position and holds the operating portion at the position in accordance with removal or coupling of the lid member from or to the apparatus body. | 09-08-2011 |
| 20110209703 | ARTIFICIAL VENTILATION APPARATUS - An artificial ventilation apparatus includes: a connecting portion which is connected to a respiratory system of a patient; an inspiratory circuit which is a flow path for flowing a gas from a ventilator to the connecting portion; an expiratory circuit which is a flow path for guiding a gas exhausted from the connecting portion to an exhaust portion of the ventilator; an expiratory valve which blocks a flow of a gas from the exhaust portion toward the connecting portion; a carbon dioxide concentration sensor which is disposed in a circuit that is provided at a downstream side of the expiratory valve and which detects a carbon dioxide concentration; and an alarm outputting unit which outputs an alarm based on an output of the carbon dioxide concentration sensor. | 09-01-2011 |
| 20110205031 | REMOTE MAINTENANCE SYSTEM AND RELAY UNIT - A remote maintenance system includes: a medical device which includes: a first power source; a first power source controller which controls an ON/OFF operation of the first power source; a checker which checks a check item; and a first communicator which transmits first information including a result of a check by the checker; and a relay unit which includes: a second power source; a second power source controller which automatically controls an ON/OFF operation of the second power source; and a second communicator which communicates with the first communicator and which receives the first information from the first communicator. | 08-25-2011 |
| 20110196256 | PAIN SENSORY NERVE STIMULATION APPARATUS - A pain sensory nerve stimulation apparatus includes: an electrode portion including: a first electrode, a tip end of which is adapted to be inserted into a skin; and at lease one second electrode which is disposed in a circumference of the first electrode without being electrically conductive with the first electrode, and which is adapted to be in contact with a skin; and a stimulation signal supplying unit, supplying a bipolar stimulation signal between the first electrode and the second electrode, the bipolar stimulation signal including a first waveform signal and a second waveform, the first waveform which is convex in a negative direction in the first electrode, the second waveform signal which is convex in a positive direction in the first electrode. | 08-11-2011 |
| 20110184255 | PORTABLE BIOLOGICAL SIGNAL MEASUREMENT / TRANSMISSION SYSTEM - A portable biological signal measurement/transmission system includes: a body unit; and at least one biological signal processing unit detachably connected to the body unit, and including a signal processor which processes a biological signal, the biological signal processing unit including a first transmitter which transmits the biological signal to the body unit when the biological signal processing unit is connected to the body unit. | 07-28-2011 |
| 20110181427 | GAS ANALYZER - A gas analyzer includes: a gas measuring portion which performs a measurement on a gas; a case which houses the gas measuring portion; a liquid separator which includes a reservoir for storing a liquid component separated from the gas; a holder portion which holds the liquid separator; and a rotation mechanism which mounts the holder portion to the case. | 07-28-2011 |
| 20110151446 | CELL TREATMENT SOLUTION AND METHOD OF PREPARING STAINED CELL SUSPENSION FOR A MEASUREMENT OF NUCLEAR DNA BY FLOW CYTOMETRY - A cell treatment solution and a method that is used for preparing a stained cell suspension that is provided to a measurement of nuclear DNA by flow cytometry. The cell treatment solution may include a surfactant, RNase, and a fluorescent dye. The surfactant may include, for example, a non-ionic surfactant, a zwitterionic surfactant, an anionic surfactant, and/or a cationic surfactant. In one method of the invention, stained cell suspension that is provided to a measurement of nuclear DNA by flow cytometry is prepared. The method may include adding a tissue sample to a cell treatment solution including a surfactant, RNase, and fluorescent dye, disaggregating the tissue sample, and filtering the disaggregated tissue sample. Another method of the invention includes disaggregating a tissue sample, preparing cell suspension by filtering the disaggregated tissue sample, and adding a cell treatment solution including a surfactant, RNase, and fluorescent dye. | 06-23-2011 |
| 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 |
| 20110098540 | BIOLOGICAL PARAMETER DISPLAYING APPARATUS - A biological parameter displaying apparatus includes: a coordinate displaying unit which displays first coordinates in which a first biological parameter of a patient, which is measured by a first measuring unit, is set as an X-axis, and a second biological parameter of the patient, which is different in kind from the first biological parameter and which is measured by a second measuring unit, is set as a Y-axis; a plot data producing unit which produces first plot data, each of the first plot data being produced based on first measurement values of the first and second biological parameters which are measured at a same time or in a same time zone; and a plot displaying unit which plots the first plot data in the first coordinates. | 04-28-2011 |
| 20110094513 | OXYGEN MASK - An oxygen mask comprises an oxygen supply unit and an attachment unit which is to be attached to a periphery of a nose or a nose and a mouth of a patient. The attachment unit includes an opening which communicates with external air and which is formed at a position to which, when the oxygen mask is attached to the patient, at least one of the nose and the mouth of the patient is opposed. | 04-28-2011 |
| 20110080294 | BIOLOGICAL INFORMATION MONITORING APPARATUS AND ALARM CONTROL METHOD - A biological information monitoring apparatus operable to measure biological information of a patient by detecting a biological signal of the patient, and operable to output an alarm, includes an alarm controller which changes the alarm. The alarm includes a first alarm of a first priority and a second alarm of a second priority. When a first condition is satisfied, the first alarm is output. When a second condition is satisfied after the first alarm is output, the alarm controller changes from the first alarm to the second alarm to be output. | 04-07-2011 |
| 20110080293 | BIOLOGICAL INFORMATION MONITORING APPARATUS - A biological information monitoring apparatus operable to receive biological information measured by a detector adapted to be attached to a patient, and operable to display the biological information on a display, includes: a first display controller which displays an alarm on the display; and a second display controller which displays, on the display, first information which responses to the displayed alarm. | 04-07-2011 |
| 20110069588 | BIOLOGICAL INFORMATION MONITOR HAVING FUNCTION OF DISPLAYING TEMPORARY ROOM LEAVING TIMER - A biological information monitor which receives, directly or via an network, biological information of a patient which is measured by a unit attached to the patient, includes: a display portion on which the biological information is displayed; and a controlling portion which displays, on the display portion, at least one of a reason of temporary room leaving accompanied by stoppage of measurement of the biological information of the patient, a period for leaving a room, a scheduled time for restarting the measurement, and present progress information. | 03-24-2011 |
| 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 |
| 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 |
| 20110060531 | BLOOD VOLUME MEASURING METHOD AND BLOOD VOLUME MEASURING APPARATUS - A blood volume measuring method includes: acquiring data of stroke volume variation at each respiratory rate, and storing the acquired data in a first buffer; reading an N1 number of the data stored in the first buffer, from the first buffer, and storing the N1 number of the data in a second buffer; excluding a part of the data stored in the second buffer, a value of each of which exceeds a first upper limit or falls below a first lower limit, from the data stored in the second buffer, and storing the other of the data stored in the second buffer, in a third buffer; acquiring a deviation of each of the data stored in the third buffer, from a median value of the data stored in the third buffer, excluding a part of the data stored in the third buffer, the deviation of each of which exceeds a second upper limit or falls below a second lower limit, from the data stored in the third buffer, and storing the other of the data stored in the third buffer, in a fourth buffer; determining whether N2/N1 is within an allowable value or not, wherein the N2 is a number of the data stored in the fourth buffer; and when it is determined that the N2/N1 is within the allowable value, calculating data of average stroke volume variation based on the data stored in the fourth buffer. | 03-10-2011 |
| 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 |
| 20110046462 | BLOOD OXYGEN SATURATION MEASURING APPARATUS - A blood oxygen saturation measuring apparatus includes: a light emitter adapted to emit, to living tissue of a subject, at least two light beams which have different wavelengths from each other; a light receiver adapted to receive the light beams which are transmitted through or reflected from the living tissue, the light receiver which converts the received light beams to electric signals corresponding to receiving intensities of the light beams, respectively; an extractor which extracts frequency components corresponding to changes of the receiving intensities according to a variation of a blood volume of a vein in the living tissue due to respiration of the subject, from the electric signals, respectively; an attenuation ratio calculator which calculates a first attenuation ratio based on amplitudes of the extracted frequency components; and an oxygen saturation calculator which calculates a first blood oxygen saturation in the vein based on the first attenuation ratio. | 02-24-2011 |
| 20110043366 | BIOLOGICAL INFORMATION MONITORING SYSTEM - A biological information monitoring system includes: an alarm generator which generates an alarm signal indicative of an abnormality of biological information of a patient, or an abnormality of a unit related to monitoring of biological information of a patient, or an abnormality due to an operation of a unit related to monitoring of biological information of a patient; a first output generator which performs a first output based on the alarm signal; a detector which detects information related to the first output; a second output generator which performs a second output being independent from the first output; and a warning controller which controls the second output generator to perform the second output based on the detected information related to the first output. | 02-24-2011 |
| 20110028858 | GAS FLOW SYSTEM, ADAPTOR, AND METHOD - An airway adaptor that measures the concentration of at least one of a specific component and the flow rate of a supply gas and a return gas. The airway adapter may include a tube having a flow path in which the supply gas and the return gas passes. The tube may include a first end having a first aperture for guiding the supply gas into the flow path, and second end having a second aperture for guiding the return gas. Further, the airway adapter may include a measurement device operable to measure at least one of the supply gas and the return gas in the air flow path and a partial shielding disposed at the first aperture and structured to shield a portion of the air flow path. The supply gas may be a respiratory gas and the return gas may be inhaled or exhaled breath of a person. | 02-03-2011 |
| 20110015534 | AIRWAY ADAPTOR - An airway adaptor includes: an airway case; and an expired gas guiding portion which is connected to the airway case to introduce a respiratory gas to the airway case. The airway case includes: a first respiratory gas flow path in which the respiratory gas flows in a first direction; and a second respiratory gas flow path in which the respiratory gas flows in a second direction opposite to the first direction. | 01-20-2011 |
| 20110009936 | INTERNAL PADDLE ELECTRODE - An internal paddle electrode includes: an electrode which is to be in contact with a living body to apply a voltage; a cable which includes a voltage supply path that extends between a voltage supply source and the electrode; a handle which includes: a first portion that supports the electrode and is hermetically sealed with the electrode; and a second portion that is connected to the cable and is hermetically sealed with the cable; and a gas passage through which a gas in the handle communicates with external air that is outside the handle. | 01-13-2011 |
| 20100317987 | BITE BLOCK - A bite block includes: a first wall defining a hole into which a conduit pipe is to be inserted; a second wall surrounding the first wall to define a flow path with the first wall; and a sample port communicating with the flow path. | 12-16-2010 |
| 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 |
| 20100268518 | APPARATUS FOR MEASURING BLOOD VOLUME AND METHOD OF EVALUATING RESULT OF MEASUREMENT BY APPARATUS FOR MEASURING BLOOD VOLUME - An apparatus for measuring a blood volume, includes: a first calculator which calculates a first blood volume by using information on a cardiac output of a subject; and a second calculator which calculates a second blood volume by using information on oxygen metabolism of the subject. | 10-21-2010 |
| 20100268101 | METHOD AND APPARATUS FOR MEASURING BLOOD VOLUME - A method of measuring a blood volume, includes: reading individual specific information of a patient; estimating oxygen metabolism relating to a cardiac output of the patient; and acquiring the cardiac output based on the estimated oxygen metabolism. | 10-21-2010 |
| 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 |
| 20100222650 | BIOLOGICAL SIGNAL MEASURING APPARATUS - A biological signal measuring apparatus includes: a pressure sensor which measures a pressure in a living body; a respiratory sensor which measures respiratory information; and an outputting unit which detects an end-tidal based on the respiratory information measured by the respiratory sensor and which outputs a pressure value based on the pressure measured by the pressure sensor when detecting the end-tidal. | 09-02-2010 |
| 20100145211 | GAS FLOW SYSTEM, METER, AND METHOD - A system, flow meter, and method for measuring gas flow information, such as respiratory information. In an exemplary embodiment, the flow meter may include a cylindrical body that allows the respiratory gas to flow through and at least one hot wire disposed within the cylindrical body. Further, the flow meter may include a bridge circuit that includes the at least one hot wire as a resistive element and an extraction circuit that extracts a signal from the bridge circuit indicating the respiratory volume. A first filter and second filter may be disposed at an output side of the extraction circuit, and a detection circuit may be included that detects the respiratory flow rate from the output signal of the first filter and detects sound, such as snoring from the output signal of the second filter. | 06-10-2010 |
| 20100119130 | BIOLOGICAL SIGNAL DRAWING APPARATUS AND BIOLOGICAL SIGNAL DRAWING METHOD - A biological signal drawing apparatus draws biological signals as drawing points in time series. The biological signal drawing apparatus includes: a thinner performing a thinning process to thin a first number of the drawing points corresponding to the biological signals sampled in each pixel zone, to obtain a second number of the drawing points for each pixel zone, the second number being smaller than the first number; a calculator, after the thinning process is performed, calculating a parameter based on at least one difference of values of adjacent two of the drawing points included in a group that includes: a first drawing point being a center in time series in the group and having a first value; and at least one second drawing point preceding or succeeding the first drawing point in time series and having a second value; and a processor performing a process of: performing a weighted moving average calculation using the first value, the second value and the calculated parameter, to obtain a third value; and replacing the first value with the third value. | 05-13-2010 |
| 20100094378 | PAIN SENSORY NERVE STIMULATION APPARATUS - A pain sensory nerve stimulation apparatus includes: an electrode portion including: a first electrode, a tip end of which is adapted to be inserted into a skin; and at lease one second electrode which is disposed in a circumference of the first electrode without being electrically conductive with the first electrode, and which is adapted to be in contact with a skin; and a pulse signal supplier, supplying a pulse signal in which an electrical polarity of the first electrode is set as a anode and an electrical polarity of the second electrode is set as a cathode. | 04-15-2010 |
| 20100070011 | DISPOSABLE ELECTRODE AND AUTOMATIC INFORMATION RECOGNITION APPARATUS - A disposable electrode includes: an electrode pad; and a connector, connecting the electrode pad to a defibrillator, and including an information holder that can be provided with a transmissive opening or a light reflective member, the information holder holding information about at least an expiration date, depending on presence or absence of the transmissive opening or the light reflective member, the information holder allowing the information to be notified from the defibrillator when the connector is connected to the defibrillator. | 03-18-2010 |
| 20090326338 | METHOD AND APPARATUS FOR ANALYZING GAS COMPONENT DERIVED FROM LIVING BODY AND DISEASE DETERMINATION SUPPORTING APPARATUS - A method of analyzing a gas component derived from living body, includes: extracting a first gas component from a gas contained in an atmosphere by a first method and removing the extracted first gas component from the gas to defecate the atmosphere; obtaining a mixed gas of the defecated atmosphere and a second gas component from a subject; extracting the first gas component from the mixed gas by a second method; and analyzing the first gas component extracted from the mixed gas. The second method is the same as the first method. | 12-31-2009 |
| 20090318819 | PULSE PHOTOMETRY PROBE - A pulse photometry probe includes: a light emitter having a first face from which light is emitted toward a living body; a light receiver having a second face which receives the light from the living body; a surface sheet which faces the first face of the light emitter and the second face of the light receiver; a cover sheet in which at least one slit is formed, the light emitter and the light receiver which are disposed between the surface sheet and the cover sheet; and a lead wire which includes: a first lead wire connected to one of the light emitter and the light receiver; a second lead wire connected to the other one of the light emitter and the light receiver; and a basal portion at which the first lead wire and the second lead wire are bundled. The second lead wire includes at least one slack portion between the basal portion and the other one of the light emitter and the light receiver. | 12-24-2009 |
| 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 |
| 20090299208 | FLOW MEASUREMENT SYSTEM AND BIOLOGICAL INFORMATION MONITOR - A flow measurement system includes: a respiration monitoring apparatus which measures a flow of a gas flowing through a flow path, to output a measurement value; and a gas monitoring apparatus which samples the gas to measure at least one of a concentration of a component of the gas and a component of the gas and to generate information on the flow of the sampled gas. The measurement value is corrected based on the information. | 12-03-2009 |
| 20090287075 | BIOLOGICAL SIGNAL MEASUREMENT SENSOR - A biological signal measurement sensor is to be fixed to a living body with an adhesive. The biological signal measurement sensor includes: a surface, which is to be in contact with a part of the living body; and a first portion, which is opposite to the surface and to which the adhesive is to be attached. At least a part of the first portion has a first patterned indented shape. | 11-19-2009 |
| 20090275073 | DIAGNOSIS DEVICE AND DIAGNOSIS METHOD - A diagnosis device includes: a pretreating portion configured to suspend tissue to obtain a suspension; and an analyzing portion configured to analyze the suspension. | 11-05-2009 |
| 20090264721 | SIGNAL PROCESSING METHOD, SIGNAL PROCESSING APPARATUS, AND PULSE PHOTOMETER USING THE SAME - A method of processing first and second signals obtained by measuring a medium, to obtain a pulse wave signal and an artifact signal which are separated, includes: separating vectors of the first and second signals by using a separation matrix into a vector of the pulse wave signal and a vector of the artifact signal, the separation matrix including a norm ratio of a stable zone of the pulse wave signal and a compensated norm ratio of an artifact zone. | 10-22-2009 |
| 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 |
| 20090235686 | FLUID TEMPERATURE REGULATOR - A fluid temperature regulator includes: a case, containing a refrigerant; a cooling/warming device, configured to cool/warm the case; and a storage, including an opening through which a circuit for transfusing fluid is to be inserted/removed. The storage is configured to house the circuit inserted through the opening and be in contact with the circuit. The storage is surrounded by the refrigerant and watertight for the refrigerant in the case. | 09-24-2009 |
| 20090198147 | AUTONOMIC NERVE ACTIVITY MEASURING APPARATUS AND AUTONOMIC NERVE ACTIVITY MEASURING METHOD - An autonomic nerve activity measuring apparatus includes: a pulse wave acquiring unit, configured to acquire at least two pulse wave signals from a living body; an electric stimulation unit, configured to apply electric stimulation to the living body; a comparison unit, configured to compare the pulse wave signals acquired by the pulse wave acquiring unit; and an analysis unit, configured to analyze comparison result provided by the comparison unit. | 08-06-2009 |
| 20090198110 | Biological Information Acquisition Telemetry System - A biological information acquisition telemetry system includes: a transmit device, attached to a part of a living body and configured to acquire a biological signal to transmit the biological signal as a radio signal; a relay device, configured to perform space diversity reception, the relay device including: a first receiver, configured to wirelessly receive the radio signal from the transmit device; a first transmitter, configured to transmit the radio signal received by the first receiver; and an attachment unit, adapted to hold the first receiver and the first transmitter and attach the first receiver and the first transmitter to the living body; and a center apparatus, including: a second receiver, configured to receive the radio signal from the first transmitter of the relay device; a processor, configured to generate biological information based on the radio signal received by the second receiver; and a display, configured to display the biological information generated by the processor. | 08-06-2009 |
| 20090192400 | BIOLOGICAL INFORMATION DISPLAY METHOD AND BIOLOGICAL INFORMATION DISPLAY APPARATUS - A method of displaying a plurality of ST values constituting biological information of a subject displayed on a screen, includes: defining color gradations corresponding to degrees of the plurality of ST values to be acquired; acquiring the plurality of ST values from the subject; determining display elements for the acquired plurality of ST values in accordance with the defined color gradations; and displaying the determined display elements along a time axis in a belt-like form on the screen, for each of the plurality of ST values. | 07-30-2009 |
| 20090178908 | SWITCH STRUCTURE OF AUTOMATIC EXTERNAL DEFIBRILLATOR - A switch structure of an automatic external defibrillator including a housing member and a flap member for covering the housing member, open and closed states of the flap member and ON and OFF of a switch of the automatic external defibrillator which are associated with each other, the switch structure includes a movable unit for turning ON the switch when the flap member is in the open state and turning OFF the switch when the flap member is in the closed state and an operator performs further operation. | 07-16-2009 |
| 20090171169 | MONITORING NETWORK SYSTEM - A monitoring network system includes: a plurality of monitoring apparatuses; and a remote monitoring apparatus, connected to the plurality of monitoring apparatuses. At least one of the monitoring apparatuses is configured to acquire biological signals from a patient and includes: a first holder, configured to hold a first ID; and a transmitter, configured to transmit the biological signal to the remote monitoring apparatus. The remote monitoring apparatus includes: a second holder, configured to hold a second ID and association information for associating a screen area in a display with the second ID; a detector, configured to detect the at least one of the monitoring apparatuses, when the first ID is identical with the second ID; a receiver, configured to receive the biological signal from the at least one of the plurality of monitoring apparatuses detected by the detector; and a display controller, configured to display the biological signal on the screen area in the display based on the association information. | 07-02-2009 |
| 20090137912 | Blood Pressure Measurement Apparatus - A blood pressure measurement apparatus includes: a detector, operable to detect a first pulse, a second pulse prior to the first pulse and a third pulse prior to the second pulse under the same pressure; a first distinguisher, operable to distinguish whether waveforms of the first and second pulses are substantially identical with each other; a second distinguisher, when the waveforms are not substantially identical with each other, operable to distinguish whether parameters of the first, second and third pulses meet a condition corresponding to arrhythmia; a determiner, operable to determine the first and second pulses to be pulse waves when the waveforms are substantially identical with each other, and operable to determine the first, second and third pulses to be pulse waves when the parameters meet the condition; and a calculator, operable to calculate a blood pressure value based on the pulse waves. | 05-28-2009 |
| 20090112104 | BLOOD PRESSURE CALCULATION METHOD FOR NON-INVASIVE BLOOD PRESSURE MEASUREMENT APPARATUS - A method of calculating a blood pressure, includes: providing a non-invasive blood pressure measurement apparatus which includes a cuff being inflatable and deflatable and adapted to be fitted on a part of a living body and in which a plurality of calculation methods each of which has priority in accordance with a type of noise information are set; detecting, by the cuff, a signal waveform representing a change in an oscillation amplitude and a change in a cuff pressure; determining the type of the noise information contained in the detected signal waveform; deciding the blood pressure from at least one candidate value for the blood pressure, which is calculated by one of the calculation methods that has the priority with respect to the determined type of the noise information; and displaying the decided blood pressure, | 04-30-2009 |
| 20090088657 | SENSOR FOR MEASURING CARBON DIOXIDE IN RESPIRATORY GAS - A sensor main unit | 04-02-2009 |
| 20090069646 | ADAPTOR FOR COLLECTING EXPIRATORY INFORMATION AND BIOLOGICAL INFORMATION PROCESSING SYSTEM USING THE SAME - An adaptor is adapted to be attached on a face of the subject to collect expiration gas of the subject. An airway case is formed with a chamber, and adapted to be coupled with a carbon dioxide sensor so that carbon dioxide in the expiration gas flowing through the chamber is detected by the carbon dioxide sensor. Nasal tubes are adapted to be inserted into nostrils of the subject when the adaptor is attached on the face of the subject. The nasal tubes are adapted to lead nasal expiration gas of the subject to the chamber. A mouth guide is adapted to lead oral expiration gas of the subject to the chamber when the adaptor is attached on the face of the subject. A branch tube is communicating with the nasal tubes and adapted to lead pressure generated by the nasal expiration gas to an external pressure sensor. | 03-12-2009 |
| 20090062668 | BLOOD PRESSURE MEASUREMENT CUFF - A blood pressure measurement cuff, includes: a first bag, including a first surface; a second bag, housing the first bag, and including a second surface facing to the first surface; and a sheet, fixed to one of the first surface and the second surface, and capable of being bent with no wrinkle therein. | 03-05-2009 |
| 20090056472 | ADAPTOR FOR FLOW SENSOR - In an adaptor for a flow sensor, a tubular body is adapted to allow respiratory gas to pass through. At least one fluid-resistant member is disposed in the tubular body. At least two pairs of first passages are formed in the fluid-resistant member and adapted to lead out pressures at two positions in the tubular body which are to be detected by the flow sensor. | 03-05-2009 |
| 20090024014 | Method and Apparatus for Measuring Pulse Rate and Oxygen Saturation Achieved During Exercise - In order to measure a pulse rate and an oxygen saturation of a subject who is in an exercised state, each of two pulse wave signals obtained from the subject is separated into a signal component and a noise component. A frequency spectrum of the signal component and a frequency spectrum of the noise component are obtained. It is judged whether a body motion of the subject is occurred based on the frequency spectrum of the signal component and the frequency spectrum of the noise component. A pulsation frequency is determined based on the judgment as to the body motion. The pulse rate is calculated based on the pulsation frequency. The oxygen saturation is calculated based on a ratio of spectra of the two pulse wave signals corresponding to the pulsation frequency. | 01-22-2009 |
| 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 |
| 20080243012 | Method of compressing electrocardiogram data and electrocardiogram telemetry system using the same - In an electrocardiogram telemeter, a data acquirer is operable to acquire electrocardiogram data. A data compressor is operable to compress the electrocardiogram data with either a wavelet transform, a Huffman coding, or an arithmetic coding, thereby generating compressed electrocardiogram data adapted to be transmitted to a remote receiver which is configured to reconstruct the electrocardiogram data. | 10-02-2008 |
| 20080196715 | NASAL MASK FOR CARBON DIOXIDE GAS MEASUREMENT - A nasal mask is adapted to attached on a face of a subject so as to cover a nose of the subject. A shell has a contact edge adapted to be brought into close contact with the face of the subject, thereby forming a sealed space therein. An attachment portion is disposed in the shell and has an inner space. The attachment portion is configured to detachably engage with a sensor disposed outside the shell and operable to measure concentration of carbon dioxide gas expired from the nostrils. A guide member is disposed inside the shell and forming a passage adapted to introduce expired gas from the nostrils into the inner space. The shell is formed with an inlet adapted to introduce external gas into the sealed space. The expired gas is guarded by the guide member from the external gas introduced through the inlet. The attachment portion is formed with an outlet adapted to discharge the expired gas from the inner space to the sealed space. | 08-21-2008 |
