Patent application number | Description | Published |
20090312651 | ELECTRONIC BLOOD PRESSURE MEASUREMENT DEVICE CALCULATING BLOOD PRESSURE VALUE - A blood pressure measurement bladder ( | 12-17-2009 |
20110152700 | ELECTRONIC SPHYGMOMANOMETER FOR ENHANCING RELIABILITY OF MEASUREMENT VALUE - An electronic sphygmomanometer has a cuff to be attached to a measurement site, a pressurization/depressurization unit for adjusting a pressure to be applied to the cuff, a pressure detection unit including a plurality of pressure sensors, for detecting cuff pressures in the cuff based on pressure information output from the plurality of pressure sensors, and a blood pressure calculating unit for calculating a blood pressure based on a change in the cuff pressures detected by the pressure detection unit. Blood pressure measurement and detection of abnormality on the plurality of pressure sensors are carried out based on the cuff pressures respectively corresponding to the plurality of pressure sensors detected according to the pieces of pressure information output from the plurality of pressure sensors. | 06-23-2011 |
20110208069 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device instantaneously changes cuff pressure in a specified pressure section in order to detect a control target value in artery volume constant control. An artery volume signal is detected in that period, and an inflection point of the detected artery volume signal is detected by performing differentiation processing or the like. The inflection point of the detected artery volume signal is fixed as the control target value. | 08-25-2011 |
20110208070 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - During a period of servo control, an artery volume of a peripheral site is detected by an artery volume sensor arranged at a peripheral site (site on the peripheral side than a measurement site) of a person to be measured. If an amount of change in the artery volume of the peripheral site or a value of the artery volume is greater than or equal to a predetermined ratio of a reference value at the beginning of the measurement, the servo control and a blood pressure determination process are continued. When detected thereafter that the amount of change in the artery volume of the peripheral site or the value of the artery volume is smaller than the predetermined ratio of the reference value at the beginning of the measurement, the measurement is stopped at the relevant time point. | 08-25-2011 |
20110245695 | ELECTRONIC SPHYGMOMANOMETER - An electronic sphygmomanometer includes a pressure control unit configured to conduct pressurization control on a cuff (pressure control toward a specific direction) and acquire a cuff pressure signal at a time of the pressurization control to thereby measure a pressure pulse wave; a displacement decision unit configured to decide whether displacement has occurred between a position of the cuff and a virtual position of the heart based on an output from an angle sensor when the pressurization control is being conducted; and a return processing unit configured to, when it is decided that displacement has occurred, stop the pressurization control and conduct depressurization control on the cuff to thereby return an intra-cuff pressure to a specific pressure value that denotes a pressure value before the occurrence of the displacement. The pressure control unit resumes the pressurization control after processing by the return processing unit. | 10-06-2011 |
20110251499 | ELECTRONIC SPHYGMOMANOMETER - An electronic sphygmomanometer has a causing unit that causes a constant volume change in a cuff and a causing processing unit for controlling a drive of the causing unit for a period for which a first pressure control (for example, depressurization control) is made so as to execute a process for giving a constant volume change to the cuff. Further, the electronic sphygmomanometer includes a measurement control unit that controls based on a cuff pressure signal measurement of a pulse wave amplitude and a pressure change property with respect to the volume change. The electronic sphygmomanometer includes a correction processing unit that corrects the measured pulse wave amplitude based on the measured pressure change property and a blood pressure calculating unit that calculates a blood pressure value based on the corrected pulse wave amplitude. | 10-13-2011 |
20110251500 | ELECTRONIC SPHYGMOMANOMETER AND BLOOD PRESSURE MEASUREMENT METHOD - An electronic sphygmomanometer includes a cuff to be attached to a blood pressure measurement site, a pump and a valve for adjusting a pressure to apply on the cuff, a pressure sensor for detecting the pressure of the cuff, a central processing unit (CPU) for calculating a blood pressure value from the cuff pressure, a memory for recording the blood pressure value, and an operation unit for performing a blood pressure measurement. Further, the CPU acquires information on an application voltage of the valve or the pump at a time of blood pressure measurement, and the information on the application voltage is stored in the memory. The CPU corrects the application voltage so that control of the valve or the pump is carried out based on the application voltage stored in the memory. | 10-13-2011 |
20110251501 | ELECTRONIC SPHYGMOMANOMETER AND BLOOD PRESSURE MEASUREMENT METHOD - An electronic sphygmomanometer includes a cuff to be attached to a blood pressure measurement site, a pump and a valve for adjusting a pressure to be applied on the cuff, a pressure sensor for detecting the pressure in the cuff, a central processing unit (CPU) for calculating a blood pressure value from the cuff pressure, a memory for recording the blood pressure value, and an operation unit for carrying out a blood pressure measurement. The CPU corrects the blood pressure value based on separately acquired correction information and acquires information on a quality of the measurement site as the correction information. When the information on the quality of the measurement site is acquired as the correction information, the CPU corrects the blood pressure calculation parameter based on the information on the quality of the measurement site. | 10-13-2011 |
20110257538 | ELECTRONIC SPHYGMOMANOMETER AND BLOOD PRESSURE MEASUREMENT METHOD - An electronic sphygmomanometer includes a cuff to be attached to a blood pressure measurement site, a pump and a valve for adjusting pressure to be applied on the cuff, a pressure sensor for detecting pressure in the cuff, a central processing unit (CPU) for calculating a blood pressure value from the cuff pressure, a memory for recording the blood pressure value, and an operation unit for carrying out a blood pressure measurement. A measurement condition input switch acquires information related to a condition at the time of current blood pressure measurement, and the memory stores the condition as measurement record information along with the blood pressure value. The CPU acquires past measurement record information close to the condition at the time of the blood pressure measurement from the memory and corrects a blood pressure measurement parameter based on the measurement record information. | 10-20-2011 |
20110257539 | ELECTRONIC SPHYGMOMANOMETER AND BLOOD PRESSURE MEASUREMENT METHOD - An electronic sphygmomanometer includes a cuff to be attached to a blood pressure measurement site, a pump and a valve for adjusting a pressure to apply to the cuff, a pressure sensor for detecting a pressure of the cuff, a central processing unit (CPU) for calculating a blood pressure value from the cuff pressure, a memory for recording the blood pressure value, and an operation unit for carrying out a blood pressure measurement. The CPU corrects the calculated blood pressure value based on separately acquired correction information and acquires attachment condition information of the cuff as the correction information. When the attachment condition information is acquired as the correction information, the CPU corrects a blood pressure calculation parameter based on the attachment condition information. | 10-20-2011 |
20110257540 | ELECTRONIC SPHYGMOMANOMETER AND BLOOD PRESSURE MEASURING METHOD - An electronic sphygmomanometer includes a central processing unit (CPU) that calculates a blood pressure calculation parameter by executing a predetermined calculation using a constant set in advance with respect to a change in a pressure pulse wave amplitude indicating a volume change of an artery at the time of blood pressure measurement. The CPU separately acquires measurement state related information related to a state of a user and/or a state of the cuff at the time of blood pressure measurement. When the measurement state related information is acquired, the CPU corrects the blood pressure calculation parameter by correcting the constant based on the measurement state related information. | 10-20-2011 |
20110282220 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device includes a servo control unit for performing a servo control of a pressure adjustment unit so that a value of an arterial volume signal matches a control target value and a fluctuation detection unit for detecting rapid fluctuation of the arterial volume signal at an initial stage during a period of the servo control. The fluctuation detection unit determines that the rapid fluctuation occurred when a control deviation representing a level of the arterial volume signal having the control target value as a reference becomes greater than or equal to a predetermined magnification of a reference deviation. The blood pressure information measurement device further includes an adjustment processing unit for adjusting a control amount of the pressure adjustment unit by the servo control unit so that an excessive response is not made when the rapid fluctuation is detected by the fluctuation detection unit. | 11-17-2011 |
20110282221 | MANAGEMENT DEVICE, MANAGEMENT SYSTEM, AND MANAGEMENT METHOD - A calibration device is connected to a sphygmomanometer with an air tube and a communication cable. When connection is detected, the calibration device closes a valve of the sphygmomanometer and its valve and applies pressure to the air tube to measure the pressure, and determines the air leakage of the sphygmomanometer based on the pressure change with an air leakage determination unit. The calibration device causes a pressure sensor of the sphygmomanometer to measure the inner pressure, receives the measurement result with the communication I/F, and determines the result of the equipment difference test of the sphygmomanometer based on a difference between the applied pressure and the inner pressure with an equipment difference determination unit. If determined that the equipment difference test is failure, a control signal is output to the sphygmomanometer to calibrate the output value of the pressure sensor in the calibration unit. | 11-17-2011 |
20110295130 | BLOOD PRESSURE MEASUREMENT DEVICE INCLUDING CUFF TO BE WRAPPED AROUND MEASUREMENT SITE - A blood pressure measurement device includes a wrapping strength detecting portion for detecting a wrapping strength of a cuff with respect to a measurement site. The wrapping strength detecting portion detects the wrapping strength of the cuff prior to calculation of a blood pressure value by a blood pressure calculation unit. That is, the wrapping strength of the cuff is detected based on a relationship indicated by a volume change ΔV | 12-01-2011 |
20110301476 | ELECTRONIC SPHYGMOMANOMETER - In a sphygmomanometer for measuring blood pressure according to a volume compensation method, an upper arm V | 12-08-2011 |
20120071768 | BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device includes light emitting elements and light receiving elements as a plurality of pairs of first and second sensors in a cuff. While the cuff pressure is increased, combinations of the plurality of pairs of the light emitting elements and the light receiving elements are switched, and volume pulse waves are obtained from each of the combinations. After increasing the cuff pressure, for each of the volume pulse waves corresponding to the combinations, a specific volume value at a point where the amount of volume change becomes maximal is extracted. Thereafter, based on values corresponding to the maximum and minimum blood pressure and the specific volume value, the sensors for measurement are determined. | 03-22-2012 |
20120136262 | ELECTRONIC SPHYGMOMANOMETER AND A METHOD FOR BLOOD PRESSURE MEASUREMENT BY USING AN ELECTRONIC SPHYGMOMANOMETER - An electronic sphygmomanometer includes a cuff containing an air bladder, an air charger, an air discharger, a pressure sensor, a memory; a display, and CPU for executing programs stored in the memory and calculating a blood pressure value based on the pressure changes within the air bladder. The CPU further includes an estimation processing part for calculating an estimated blood pressure value based on the pressure change within the air bladder during the inflation of the air bladder at a first rate, a measurement processing part for measuring a blood pressure value based on the pressure change within the air bladder during the deflation of the air bladder at a second rate, and a determination processing part for comparing the estimated blood pressure value with the reference blood pressure value and determining whether the estimated blood pressure value is within a predetermined range from the reference blood pressure value. | 05-31-2012 |
20120165687 | SPHYGMOMANOMETER - A blood pressure measurement device includes a sensor that detects a change of an internal pressure of an air bladder during the inflation and/or deflation of the air bladder. The sensor further includes a first sensor and a second sensor, which each have a diaphragm connected to the air bladder. A face of each of the diaphragms of the first sensor and the second sensor is flexibly displaced in accordance with the change of the internal pressure of the air bladder. The face of the diaphragm of the second sensor is arranged in a different position and/or direction from the face of the diaphragm of the first sensor. A central processing unit of the device includes a failure judgment unit that determines whether there was any failure with the sensor based on difference between the internal pressures detected by the first sensor and the second sensor. | 06-28-2012 |
20120203119 | ELECTRONIC SPHYGMOMANOMETER - An electronic sphygmomanometer includes a cuff that can be worn at a measurement site, a pressure adjustment unit that adjusts the pressure applied inside the cuff; a pressure detection unit that includes multiple pressure sensors and that detects the cuff pressure inside the cuff based on pressure information output from the pressure sensors, a blood pressure calculation unit that calculates a blood pressure based on change in the cuff pressure detected by the pressure detection unit during blood pressure measurement, a keeping unit that keeps the cuff pressure at a predetermined pressure using the pressure adjustment unit during blood pressure measurement, and a sensor abnormality detection unit that, in a state in which the keeping unit keeps the cuff pressure at the predetermined pressure, detects whether an abnormality has occurred in the pressure sensors based on the pressure information output from the pressure sensors. | 08-09-2012 |
20120215119 | ELECTRONIC SPHYGMOMANOMETER - An electronic sphygmomanometer includes a cuff, a tank that stores a prescribed amount of fluid, a pressure adjusting unit that adjusts pressurization of the cuff or the tank by supplying or discharging the fluid, a pressure detector that detects a pressure in the cuff or a pressure in the tank based on pressure information output from a pressure sensor, a blood pressure calculating unit that calculates a blood pressure value based on a change in the pressure in the cuff detected by the pressure detector, an abnormality detector, and a first channel through to the pressure adjusting unit and the pressure detector and that has one of the tank and the cuff selectively connected thereto. The abnormality detector detects whether the pressure sensor is abnormal in a state where the tank is connected to the first channel and the fluid is supplied to the tank. | 08-23-2012 |
20120226169 | ELECTRONIC SPHYGMOMANOMETER - In an electronic sphygmomanometer, a protruding member is provided in an outside surface of a first air port connection head, and when a first air port is pushed into the first air port connection head, the protruding member passes over a first shielding plate while elastically deforming and reaches a position on the inner side of the first shielding plate. As a result, the first air port connection head is prevented from pulling out from the first air port, and a sense of the protruding member locking in upon returning to its original form is imparted on a worker. It is therefore possible to provide an electronic sphygmomanometer that includes, as a structure in which a pressure sensor used in the electronic sphygmomanometer is disposed, a peripheral structure for the pressure sensor that can improve the reliability of blood pressure measurement values. | 09-06-2012 |
20120226170 | ELECTRONIC SPHYGMOMANOMETER - A first oscillation circuit and a second oscillation circuit are connected to a first pressure sensor and a second pressure sensor, respectively, and oscillate based on the capacity values of the corresponding pressure sensors. The first oscillation circuit and the second oscillation circuit operate in response to instruction from a CPU. The one of the first oscillation circuit and the second oscillation circuit that has received an activation signal from the CPU outputs a signal having a frequency that corresponds to the capacity value of the corresponding pressure sensor. An adjustment circuit is connected to the first oscillation circuit and the second oscillation circuit, and allows one of the frequency signals to pass therethrough, outputting the signal to the CPU. | 09-06-2012 |
20120226171 | ELECTRONIC SPHYGMOMANOMETER - In an electronic sphygmomanometer, the thickness of the second connection tube is set to be lower than the thickness of the first connection tube, and therefore, even if error has occurred in the structural dimensions of the pressure sensor air tube, the error can be absorbed as a result of the second connection tube extending/contracting. It is therefore possible to provide an electronic sphygmomanometer that includes, in a structure in which a pressure sensor used in the electronic sphygmomanometer is disposed, a peripheral structure for the pressure sensor that can improve the reliability of blood pressure measurement values. | 09-06-2012 |
20120226172 | ELECTRONIC SPHYGMOMANOMETER - In an electronic sphygmomanometer, a first pressure sensor and a second pressure sensor are disposed on a front surface side that serves as a first main surface of an internal circuit board, following a horizontal direction (the X direction) that is orthogonal to the direction in which the internal circuit board is sloped. As a result, the first pressure sensor and the second pressure sensor are disposed having the same height position. It is therefore possible to provide an electronic sphygmomanometer that includes, as a structure in which a pressure sensor used in the electronic sphygmomanometer is disposed, a peripheral structure for the pressure sensor that can improve the reliability of blood pressure measurement values. | 09-06-2012 |
20120232412 | BLOOD PRESSURE MEASUREMENT DEVICE, CONTROL METHOD OF ELECTRONIC SPHYGMOMANOMETER AND CONTROL PROGRAM OF ELECTRONIC SPHYGMOMANOMETER - A sphygmomanometer, in a deflation process after inflation to prescribed pressure adjusts a drive voltage of an exhaust valve such that a deflation speed of a fluid bag achieves a prescribed deflation speed during an adjustment period, which is a prescribed period after starting deflation. When the adjustment period ends or when the deflation speed of the fluid bag achieves the prescribed speed, control is subsequently performed to fix the drive voltage of the exhaust valve and deflate the fluid bag while holding a gap of the exhaust valve constant. | 09-13-2012 |
20120253208 | Sphygmomanometer Having Function of Calculating Risk Degree of Circulatory System Disease - An electronic sphygmomanometer having a function to calculate an index value of risk of circulatory system disease from measured blood pressure information includes a CPU, a memory, and a display. The CPU calculates the blood pressure of a person being examined based on pressure changes of an air bladder as measured by a pressure sensor. The memory stores data of the measured blood pressure together with time information of the measurement. The CPU calculates an index value of risk of circulatory system disease of the person being examined based on a difference between a blood pressure value obtained from a measurement and a blood pressure value obtained from a previous measurement and an elapsed time between the measurement and the previous measurement, A display part displays the calculated index value of risk of circulatory system disease of the person being examined together with the measured blood pressure. | 10-04-2012 |
20120253210 | Cuff of Sphygmomanometer - A cuff of a sphygmomanometer includes a fluid bladder connected to a main body of the sphygmomanometer via a tube and a band-shaped wrapping body that encloses the fluid bladder. The band-shaped wrapping body includes two longitudinal sides and two lateral sides. A weight section is provided along a longitudinal side of the band-shaped wrapping body that faces a peripheral end of a user's arm when the cuff is mounted to the arm in accordance with an expected method of use. | 10-04-2012 |
20130023777 | ELECTRONIC SPHYGMOMANOMETER FOR MEASURING BLOOD PRESSURE BASED ON ARTERIAL VOLUME CHANGE - Every pulse wave, a constant volume control unit performs servo control while updating a servo gain such that a difference between an arterial volume shown by an arterial volume signal that is detected by an arterial volume detection circuit and a control target value of the servo control is less than a control deviation at which a rate of change of the arterial volume relative to a change in cuff pressure is deemed to be constant. Because the control deviation is the difference between the arterial volume shown by the arterial volume signal and the control target value, a blood pressure decision unit decides, as a blood pressure, the cuff pressure sequentially detected in a period during which servo control is performed, by correcting the cuff pressure using the control deviation and the rate of change deemed to be constant. | 01-24-2013 |
20130023778 | BLOOD PRESSURE MEASUREMENT DEVICE AND CONTROL METHOD FOR BLOOD PRESSURE MEASUREMENT DEVICE - A blood pressure measurement device includes a cuff, inflation/deflation unit, pressure detection unit, volume detection unit, and control unit. The control unit determines values of an arterial volume signal detected by the volume detection unit, changes a prescribed control target value from the determined value at a time of diastolic blood pressure to a vicinity of the value at the time of systolic blood pressure during a rise time, changes the prescribed control target value from the determined value at the time of systolic blood pressure to a vicinity of the value at the time of diastolic pressure during a fall time, and adjusts the pressure of the cuff by controlling the inflation/deflation unit such that the volume indicated by the arterial volume signal detected by the volume detection unit matches the prescribed control target value. Thus, by applying a control target value, blood pressure can be measured. | 01-24-2013 |
20130030310 | BLOOD PRESSURE MEASUREMENT DEVICE - A cuff of a blood pressure measurement device compresses a measurement site by being wrapped therearound. A control unit evaluates the wrapping strength of the cuff, by comparing a detection amount detected based on the output of a sensor with a history of the detection amount stored in the storage unit. | 01-31-2013 |
20130030311 | BLOOD PRESSURE MEASUREMENT DEVICE - A blood pressure measurement device compresses a measurement site by a cuff being wrapped around the measurement site. A first fluid bag is provided inside an outer package of the cuff. An indicating member is provided in the cuff so as to contact the outer package and the first fluid bag. The properties of the indicating member change in a visible manner in accordance with a magnitude of a force with which the indicating member is pressed by the outer package and the first fluid bag. | 01-31-2013 |
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 |
20130109981 | ELECTRONIC SPHYGMOMANOMETER | 05-02-2013 |