Patent application number | Description | Published |
20090088657 | SENSOR FOR MEASURING CARBON DIOXIDE IN RESPIRATORY GAS - A sensor main unit | 04-02-2009 |
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 |
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 |
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 |
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 |
20120289856 | SYMPATHETIC SKIN RESPONSE MEASURING APPARATUS - A sympathetic skin response measuring apparatus includes: a stimulation power supplying section configured to supply a power for stimulating only C fibers in a living body, to a stimulation electrode adapted to be applied to the living body; a measuring section configured to measure information of a sympathetic skin response based on a signal obtained from a measurement electrode adapted to be applied to the living body; and an outputting section configured to output the information measured by the measuring section. | 11-15-2012 |
20130053933 | PAIN SENSORY NERVE STIMULATION APPARATUS - A pain sensory nerve stimulation apparatus includes: a stimulation electrode which is adapted to be attached to a living body, at least one of an exogenous algesic substance and pyrogen which is to be interposed between the living body and the stimulation electrode; and a stimulation power supplier which is configured to supply electric power to the stimulation electrode. | 02-28-2013 |
20130231540 | AIRWAY ADAPTOR AND BIOLOGICAL INFORMATION ACQUIRING SYSTEM - An airway adaptor includes: an airway case including a gas passage, the airway case adapted to be attachable to a part of a carbon dioxide sensor configured to detect a concentration of carbon dioxide contained in exhalation, flowing into the gas passage, of the subject, the exhalation; a nasal cannula having a pair of insertion portions inserted into nostrils of the subject to guide exhalation from the nostrils to the gas passage; a mouth guide placed in front of a mouth of the subject to guide exhalation from the mouth to the gas passage; a light-emitting element supported by one of the insertion portions; and a light-receiving element supported by the other of the insertion portions. When the insertion portions are inserted into the nostrils, the light-emitting element and the light-receiving element are opposed to each other across a nasal septum of the subject. | 09-05-2013 |
20140378856 | BIOLOGICAL INFORMATION DISPLAYING APPARATUS AND BIOLOGICAL INFORMATION DISPLAYING METHOD - A biological information displaying apparatus includes an analyzing unit and a display unit. The analyzing unit analyzes measured continuous biological information waveforms to detect abnormal biological information waveforms. The display unit simultaneously displays a first waveform group consisting of continuous biological information waveforms including an abnormal biological information waveform which is produced initially in abnormal biological information waveforms that are produced in a duration when the abnormal biological information waveforms detected by the analyzing unit are continued and a biological information waveform which is produced just before the production of the initial abnormal biological information waveform, and a second waveform group consisting of continuous biological information waveforms including an abnormal biological information waveform which is last produced and a biological information waveform which is produced just after the production of the last abnormal biological information waveform. | 12-25-2014 |