Patent application number | Description | Published |
20100268092 | ARTERIOSCLEROSIS DEGREE JUDGMENT DEVICE CAPABLE OF JUDGING ARTERIOSCLEROSIS DEGREE PRECISELY - A cuff of a pulse wave meter equipped with an arteriosclerosis degree judgment device has air bags for compressing a living body having a double structure along an artery including an avascularization air bag and a pulse-wave measuring air bag. Provided at outer circumferential sides of these air bags are a curler for integrally pressing these air bags against an upper arm, and an air bag for pressing the curler from the outer circumferential side. A member for suppressing vibrations is provided between a curler-compressing air bag and the pulse-wave measuring air bag, and suppresses propagation of vibrations from the curler-compressing air bag to the pulse-wave measuring air bag. The pulse wave meter measures a pulse wave based on changes in internal pressure in the pulse-wave measuring air bag while the avascularization air bag provides avascularization at the peripheral side. | 10-21-2010 |
20110077534 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE CAPABLE OF OBTAINING INDEX FOR DETERMINING DEGREE OF ARTERIOSCLEROSIS - A blood pressure information measurement device includes an air bladder wrapped around a central side of a measurement portion for pulse wave measurement and an air bladder wrapped at a peripheral side for blood pressure measurement. The air bladder for blood pressure measurement is increased to a pressure higher than a systolic blood pressure, and a blood pressure is measured. An internal pressure of the air bladder is maintained, a pulse wave is measured in avascularized state, and a feature point needed for calculating an index for determining an arteriosclerosis degree is extracted from the pulse wave. When the feature point is not extracted from the pulse wave, the internal pressure of the air bladder for blood pressure measurement is reduced to a pressure lower than the systolic blood pressure, a pulse wave in non-avascularized state is measured, and a feature point is extracted from the pulse wave. | 03-31-2011 |
20120296223 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE AND CONTROL METHOD OF BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A measurement device pressurizes two cuffs in a state in which the cuffs are attached to the distal side and the proximal side of the measurement device, respectively, calculates an AI value or the like based on a pulse wave detected from a change in cuff pressure on the distal side while pressurizing the two cuffs, and determines that avascularization on the distal side has been completed if the AI value or the like has converged. Once it is determined that avascularization has been completed, the cuff pressure on the distal side is fixed, and a pulse wave is detected from a change in cuff pressure on the proximal side in a state in which the distal side is avascularized. | 11-22-2012 |
20120302901 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device includes a main body, including an inflation pump and an exhaust valve, and a cuff, including an air bladder for pulse wave measurement and an air bladder for blood pressure value measurement. The air bladder for pulse wave measurement and the air bladder for blood pressure value measurement are wrapped around a proximal side and a distal side of the upper arm, respectively. A first piping portion connects the air bladder for blood pressure value measurement to the inflation pump and the exhaust valve. A second piping portion branching from the first piping portion connects the air bladder for pulse wave measurement to the first piping portion. The second piping portion includes a 2-port valve that switches between connecting and disconnecting the air bladder for pulse wave measurement and the first piping portion, and a pressure sensor for measuring a pulse wave. | 11-29-2012 |
20130211268 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE AND BLOOD PRESSURE INFORMATION MEASUREMENT METHOD - A CPU acquires factor information for a degree of arteriosclerosis, stores a plurality of pseudo blood flow waveforms, generates a waveform estimated as a blood flow waveform by compositing the plurality of pseudo blood flow waveforms based on the factor information, decomposes a pulse waveform into waveforms of an ejected wave and a reflected wave using the pulse waveform and the waveform estimated as the blood flow waveform, and calculates an index of the degree of arteriosclerosis from a relationship between the ejected wave and the reflected wave obtained by decomposing the pulse waveform. | 08-15-2013 |
20130237865 | BLOOD PRESSURE MEASUREMENT DEVICE TO BE USED ON WRIST OF PATIENT - A blood pressure measurement device includes a cuff, a display, a distance sensor, an acceleration sensor, and a CPU. The display displays a positional relationship between the patient's heart and the device, which includes a flat screen. The distance sensor measures a distance between the device and the patient, and detects a subject to be measured on a line perpendicular to the flat screen of the display and measures the distance. The acceleration sensor measures an angle of inclination of the device when mounted on the patient's wrist. The CPU calculates a positional relationship between the patient's heart and the device based on the distance between the device and the subject to be measured, the angle of inclination of the device mounted on the patient's wrist, the length of the patient's forearm and upper arm, and a vertical distance between the patient's shoulder and heart. | 09-12-2013 |
Patent application number | Description | Published |
20110160599 | DEVICE FOR MEASURING INFORMATION REGARDING BLOOD PRESSURE - A measurement device includes an air bag on a peripheral side, an air bag on a central side, and an air bag positioned therebetween. During blood pressure measurement, the air bags integrally behave, and the blood pressure is measured from the change in inner pressure thereof. During pulse wave measurement, the inner pressure of the air bag on the peripheral side is maintained to higher than or equal to the systolic blood pressure, and the measurement site is avascularized. The inner pressure of the air bag on the central side is maintained to the pressure near the blood pressure value, and the pulse wave is measured from the change in inner pressure thereof. The inner pressure of the air bag positioned therebetween is opened to atmospheric pressure, and the vibration of the air bag on the central side is prevented from propagating to the air bag on the peripheral side. | 06-30-2011 |
20110224558 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE FOR MEASURING PULSE WAVE PROPAGATION SPEED AS BLOOD PRESSURE INFORMATION - In the measurement device, the blood pressure of the upper arm and the blood pressure of the lower limb are measured using cuffs attached to the upper arm and the lower limb (ankle), respectively. The pulse wave of the upper arm and the pulse wave of the lower limb are measured in synchronization using such cuffs. The upper arm-lower limb pulse wave propagation velocity (baPWV) is calculated based on the appearance time difference of the two pulse waves. The upper arm pulse wave propagation velocity (upper arm PWV) is calculated based on the appearance time difference of the ejection wave and the reflection wave in the upper arm pulse wave. If the values of such propagation velocities are different, a warning is issued. | 09-15-2011 |
20110230774 | DEVICE FOR MEASURING INFORMATION REGARDING BLOOD PRESSURE - With a measurement device attached to the upper arm as a master, a measurement device, which is a slave, attached to the ankle is controlled to measure a pulse wave in synchronization. The measurement device on the master side obtains a measurement result from the measurement device on the slave side, and detects the appearance time difference of the pulse wave waveforms by synchronizing the pulse waves measured in both measurement devices, thereby calculating a Pulse Wave Velocity as the index of arterial sclerosis. | 09-22-2011 |
20110282224 | PULSE WAVE ANALYZER AND PULSE WAVE ANALYZING METHOD - In a pulse wave analyzer, a local maximum point of a fourth order differentiated wave of the pulse wave of one beat is acquired, and a maximum point of a reflection wave of the local maximum points of the fourth order differentiation existing in a zone of an original waveform is determined as a starting point of a reflection wave zone that is a first characteristic point. With 10% of the amplitude of the first characteristic as a threshold value, a time point at which the amplitude reaches the threshold value after the relevant point is determined as an ending point of the reflection wave zone that is a second characteristic point. The duration time of the reflection time of the time between the first characteristic point and the second characteristic point is calculated as an index useful in the diagnosis of heart disease. | 11-17-2011 |
20110306888 | BLOOD PRESSURE MEASUREMENT DEVICE, BLOOD PRESSURE MEASUREMENT PROGRAM PRODUCT, AND BLOOD PRESSURE MEASUREMENT CONTROL METHOD - When a start timing of an individual measurement control arrives, the pressurization control is started and a maximum blood pressure (blood pressure characteristic value) is estimated based on blood pressure characteristics information obtained during the pressurization control. The presence or absence of blood pressure fluctuation is determined based on the maximum blood pressure estimated this time and the (estimated) maximum blood pressure up to the previous times. The actual measurement process of the blood pressure is executed when determined that the blood pressure fluctuation is present. The actual measurement process is canceled when determined that the blood pressure fluctuation is absent. | 12-15-2011 |
20120172734 | BLOOD PRESSURE MANOMETER AND A METHOD OF CALCULATING INDICES OF ATHEROSCLEROSIS USING THE BLOOD PRESSURE MANOMETER - A blood pressure measurement device accurately calculates an index useful in determining the degree of arteriosclerosis by accurately detecting a difference in time of appearance of a ejection wave and reflected wave in a blood pressure waveform. The device sets a threshold value based on an index that expresses a characteristic of the blood pressure waveform with respect to the point of appearance of the reflected wave in the blood pressure and estimates a rise point of the reflected wave by calculating an x-coordinate value of a point based on a maximum amplitude of the reflected wave and the threshold value. The device obtains the index of degree of arteriosclerosis by calculating a time difference in appearance between the ejection wave and the reflected wave based on the estimated rise point of the reflected wave. | 07-05-2012 |
20130060153 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE CUFF AND BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE PROVIDED THEREWITH - A blood pressure information measurement device cuff includes a wide blood pressure value measurement air bladder wrapped around a fitting area when in a fitted state, and a narrow pulse wave measurement air bladder disposed so as to be closer to the fitting area than the blood pressure value measurement air bladder when in the fitted state, and covered by the blood pressure value measurement air bladder when wrapped around the fitting area. The pulse wave measurement air bladder includes an anchored portion anchored to the blood pressure value measurement air bladder so as to be immobile relative to the blood pressure value measurement air bladder and a mobile portion that is not anchored to the blood pressure value measurement air bladder so as to be mobile relative to the blood pressure value measurement air bladder along a wrapping direction in which the cuff is wrapped around the measurement area. | 03-07-2013 |
20130184596 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE AND METHOD OF CALCULATING ARTERIAL STIFFNESS INDEX WITH THE DEVICE - A CPU of a blood pressure information measurement device calculates blood pressure from a change in internal pressure of an air bladder used to measure the blood pressure. AI (augmentation index) and Tr (traveling time to reflected wave) are calculated from a pulse wave waveform. A path difference calculation unit of the CPU stores a correction equation to correct a pulse wave propagation distance that is stored in advance, and, by substituting the calculated blood pressure value, AI and the like into the correction equation, corrects the pulse wave propagation distance stored in advance and approximates the pulse wave propagation distance stored in advance to an actual pulse wave propagation distance. A PWV (pulse wave velocity) calculation unit calculates the PWV using the corrected distance. | 07-18-2013 |
Patent application number | Description | Published |
20110306665 | COSMETIC PREPARATION, METHOD FOR PRODUCING SAME, COMPOSITION FOR COSMETIC PREPARATIONS, COSMETIC PREPARATION CONTAINING THE COMPOSITION FOR COSMETIC PREPARATIONS AND METHOD FOR PRODUCING SAME, AND CLEANSER FOR INDUSTRIAL USE - The present invention is related to: (1) a cosmetic preparation including an emulsifying agent, 1,3-propanediol (PDO), and a PDO difatty acid ester, wherein the fatty acids constituting the PDO difatty acid ester are one or two or more types of fatty acids selected from isostearic acid, n-octanoic acid, and n-decanoic acid, and a method for producing the cosmetic preparation; (2) a composition for cosmetic preparations, which includes the PDO difatty acid ester, a cosmetic preparation including the composition for cosmetic preparations, and a method for producing the cosmetic preparation; and (3) a cleanser for industrial use, which includes a PDO difatty acid ester that has fatty acid residues of n-octanoic acid and n-decanoic acid. The present invention is able to provide: a cosmetic preparation, a composition for cosmetic preparations, and a cosmetic preparation including the composition for cosmetic preparations, which have excellent cleansing properties, low irritation properties, moisturizing properties, and feeling of use, with reduced load on the environment; methods for producing the same; and, in addition, a cleanser for industrial use which has excellent cleansing properties and low corrosion properties, with reduced load on the environment. | 12-15-2011 |
20130310467 | TREHALOSE FATTY ACID ESTER COMPOSITION - The present invention relates to a trehalose fatty acid ester composition, including a trehalose fatty acid ester, wherein all the fatty acid residues held by all the trehalose fatty acid esters in the composition are saturated fatty acid residues having 8 to 22 carbon atoms, the composition contains at least two types of esters selected from the group consisting of a triester, a tetraester, a pentaester, a hexaester, a heptaester, and an octaester, and the sum amount of the esters relative to the total amount of the trehalose fatty acid ester in the composition, is from 20 to 100% by area. According to the present invention, it is possible to provide a composition which has excellent thermostability and an excellent effect of adjusting the hardness for various types of waxes, and which can be used as a solidifier together with a wax for various types of cosmetics. | 11-21-2013 |
Patent application number | Description | Published |
20140257116 | ELECTRONIC BLOOD PRESSURE METER - An electronic blood pressure meter includes a cuff, an inflation control unit that controls a pump for outputting a fluid into the cuff so that a pressure in the cuff is increased at an inflation speed target in accordance with a driving voltage, a pressure detection unit that detects a cuff pressure signal indicating a cuff pressure, a blood pressure calculation unit that calculates a blood pressure value based on a pulse wave superimposed on the detected cuff pressure signal, and a target changing unit that varies the inflation speed target during an inflation process in which the cuff pressure begins to increase at an initial inflation speed target and continues to increase. The target changing unit varies the inflation speed target so that the driving voltage measured during the inflation process stays within a voltage range corresponding to a range in which the pump is capable of output. | 09-11-2014 |
20140276146 | ELECTRONIC BLOOD PRESSURE METER - An electronic blood pressure meter includes a cuff that is to be worn on a measurement area, a piezoelectric pump that adjusts a pressure applied to the cuff, a drive circuit that drives the piezoelectric pump, and a controller that outputs, to the drive circuit, a pulse signal defining a driving timing of the piezoelectric pump. The drive circuit includes a switching circuit for switching a connection relationship between respective voltages applied to both ends of the piezoelectric pump in response to corresponding first and second driving signals, and a signal generation circuit that outputs the first and second driving signals based on the pulse signal outputted from the controller. The signal generation circuit has a signal conditioning circuit hat adjusts timings of the first and second driving signals so that the phases of the first and second driving signals do not overlap. | 09-18-2014 |
20140309541 | BLOOD PRESSURE MEASUREMENT DEVICE AND CONTROL METHOD FOR BLOOD PRESSURE MEASUREMENT DEVICE - A blood pressure measurement device determines an amplitude and a frequency of a voltage applied to a piezoelectric pump, carries out control so that a voltage at the determined amplitude and frequency is applied to the piezoelectric pump, and calculates a blood pressure value based on a detected cuff pressure during inflation when the cuff pressure is increased by the piezoelectric pump. A control frequency at which a pump efficiency of the piezoelectric pump is maximum in the case where the fluid is supplied to the cuff at a required flow rate during inflation using a predetermined voltage as the voltage is determined, and first control that applies a voltage at the amplitude of the predetermined voltage and at the determined control frequency is carried out. The amount of power consumed can be reduced when increasing the cuff pressure for blood pressure measurement using the piezoelectric pump. | 10-16-2014 |
20140316290 | ELECTRONIC BLOOD PRESSURE METER - A blood pressure meter includes an adjustment unit that adjusts a pressure in a cuff by controlling a piezoelectric pump that uses a piezoelectric vibrator to supply fluid to the cuff, a driving control unit that gradually changes a cuff pressure by performing driving control on the adjustment unit, a pressure detection unit that detects the cuff pressure, a blood pressure determination unit that determines a blood pressure value, a circumferential length detection unit that detects a circumferential length of the measurement area, a battery that supplies power to various units, and a decrease detection unit that detects a voltage decrease value for the battery during blood pressure measurement. Based on the circumferential length and the voltage decrease value detected in an initial inflation period when the blood pressure measurement is first started, a range of the voltage decrease value during blood pressure measurement carried out thereafter is estimated. | 10-23-2014 |
Patent application number | Description | Published |
20150075478 | PISTON STRUCTURE FOR ENGINE - A piston structure for an engine is provided. The piston structure includes a piston for reciprocating within a cylinder, a connecting rod having a smaller-end part and a larger-end part in both ends, respectively, the smaller-end part coupled to the piston, the larger-end part coupled to a crankshaft, a cross-sectionally hollow piston pin coupling the piston to the smaller-end part, and a dynamic absorber provided inside the piston pin, including a fixed part fixed to the piston pin and a movable part pivotally supported by the fixed part, and for suppressing the piston, the piston pin, and the smaller-end part from integrally resonating with respect to the larger-end part of the connecting rod on combustion stroke. The dynamic absorber includes an assemblable dynamic absorber in which the movable part is formed by attaching a mass adjusting part to the fixed part. | 03-19-2015 |
20150075479 | PISTON STRUCTURE FOR ENGINE - A piston pin structure for an engine is provided, which suppresses integral resonance of a piston, a piston pin, and a smaller end part of a connecting rod with respect to a larger end part of the connecting rod on the combustion stroke, as well as suppresses an increase of noise on other strokes, and restricts the fixed dynamic absorber inside the piston pin from coming off and ensures a coming-off function. | 03-19-2015 |