Abstract: An automatic blood pressure measuring apparatus includes: a compression band wrapped around a compressed site of a living body, the automatic blood pressure measuring apparatus sequentially extracting a pulse wave that is pressure oscillation in the compression band in a process of changing a compression pressure value of the compression band to determine a blood pressure value of the living body based on a change in the pulse wave, the compression band having a plurality of expansion bags having independent air chambers aligned in a width direction to respectively compress the compressed site of the living body, the automatic blood pressure measuring apparatus sequentially calculating an amplitude ratio of an amplitude value of a pulse wave from a predetermined expansion bag positioned on a downstream side of an upstream expansion bag positioned on an upstream side of an artery in the compressed site out of the expansion bags.

Abstract: An automatic blood pressure measuring apparatus includes: a compression band wrapped around a compressed site of a living body, the automatic blood pressure measuring apparatus sequentially extracting a pulse wave that is pressure oscillation in the compression band in a process of changing a compression pressure value of the compression band to determine a blood pressure value of the living body based on a change in the pulse wave, the compression band having a plurality of expansion bags having independent air chambers aligned in a width direction to respectively compress the compressed site of the living body, the automatic blood pressure measuring apparatus sequentially calculating an amplitude ratio of an amplitude value of a pulse wave from a predetermined expansion bag positioned on a downstream side of an upstream expansion bag positioned on an upstream side of an artery in the compressed site out of the expansion bags.

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag to press an arterial vessel of a body portion of a living subject for stopping blood flow; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows; a shielding member disposed between the first inflatable bag and the second inflatable bag so as to prevent an oscillation of the first inflatable bag from propagating to the second inflatable bag; and a slidable separating member disposed between the shielding member and the second inflatable bag so as to prevent generation of a noise caused by a slide contact of the shielding member with the second inflatable bag.

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag which is inflatable to press an arterial vessel of a body portion of a living subject and stop flow of blood in the arterial vessel which the inflatable cuff is adapted to be wound around the body portion; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows in the arterial vessel, and which has a dimension as measured in the direction that is smaller than a dimension of the first inflatable bag as measured in said direction; and a fluid-filled bag which is located between the second inflatable bag and the body portion and which is filled with incompressible fluid.

Abstract: A blood pressure measuring apparatus having an inflatable cuff including a first inflatable bag adapted to be worn on a body portion of a living subject so as to exclude blood from an artery located in the body portion, and a second inflatable bag adapted to be worn on the body portion, on a distal side of a middle portion of the first inflatable bag, so as to detect a pulse wave produced from the artery, a first piping which is connected to the first inflatable bag, a second piping which is branched from the first piping and is connected to the second inflatable bag, a pump which supplies an inflating fluid to the first and second inflatable bags via the first and second pipings, respectively, a blood pressure determining device which determines a blood pressure of the subject based on the pulse wave detected through the second inflatable bag when a pressing pressure of the first inflatable bag is changed, and a switching device which is provided in the second piping and which selectively switches the second

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag to press an arterial vessel of a body portion of a living subject for stopping blood flow; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows; a shielding member disposed between the first inflatable bag and the second inflatable bag so as to prevent an oscillation of the first inflatable bag from propagating to the second inflatable bag; and a slidable separating member disposed between the shielding member and the second inflatable bag so as to prevent generation of a noise caused by a slide contact of the shielding member with the second inflatable bag.

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a

Abstract: An inflatable cuff for blood pressure measurement includes a first inflatable bag which is inflatable to press an arterial vessel of a body portion of a living subject and stop flow of blood in the arterial vessel which the inflatable cuff is adapted to be wound around the body portion; a second inflatable bag for sensing a pulse wave propagating along the arterial vessel, which is supported by the inflatable cuff such that the second inflatable bag is located inside a downstream-side portion of the first inflatable bag in the direction of the blood flows in the arterial vessel, and which as a dimension as measured in the direction that is smaller than a dimension of the first inflatable bag as measured in said direction; and a fluid-filled bag which is located between the second inflatable bag and the body portion and which is filled with incompressible fluid.

Abstract: A blood pressure measuring apparatus having an inflatable cuff including a first inflatable bag adapted to be worn on a body portion of a living subject so as to exclude blood from an artery located in the body portion, and a second inflatable bag adapted to be worn on the body portion, on a distal side of a middle portion of the first inflatable cuff, so as to detect a pulse wave produced from the artery, a first piping which is connected to the first inflatable bag, a second piping which is branched from the first piping and is connected to the second inflatable bag, a pump which supplies an inflating fluid to the first and second inflatable bags via the first and second pipings, respectively, a blood pressure determining device which determines a blood pressure of the subject based on the pulse wave detected through the second inflatable bag when a pressing pressure of the first inflatable bag is changed, and a switching device which is provided in the second piping and which selectively switches the secon

Abstract: A blood-pressure measuring apparatus including a cuff worn on a body portion of a subject to apply a pressure to the body portion; a changing device which changes the cuff pressure; a determining device which determines a diastolic and mean blood pressure of the subject; a detecting device which detects a cuff pulse wave as an oscillation of the cuff pressure; a pulse-wave-magnitude determining device for operating the changing device; and a systolic-blood-pressure determining device for determining a systolic blood pressure of the subject, based on the determined diastolic and mean blood pressure and the determined minimal, mean, and maximal magnitudes of the cuff pulse wave, according to a fact that the minimal, mean, and maximal magnitudes of the cuff pulse wave correspond to the diastolic, mean, and systolic blood pressure of the subject, respectively.

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a

Abstract: A blood-pressure measuring apparatus including a cuff worn on a body portion of a subject to apply a pressure to the body portion; a changing device which changes the cuff pressure between a pressure lower than a systolic blood pressure of the body portion and higher than a mean blood pressure of the body portion, and a pressure lower than a diastolic blood pressure of the body portion; a determining device which determines a diastolic and a mean blood pressure of the subject based on a heartbeat-synchronous signal detected from the subject while the changing device changes the cuff pressure; a detecting device which detects a cuff pulse wave as an oscillation of the cuff pressure; a pulse-wave-magnitude determining device for operating the changing device to maintain the cuff pressure at a pressure lower than the mean blood pressure of the body portion, and determining a minimal, a mean, and a maximal magnitude of the cuff pulse wave detected in a state in which the cuff pressure is maintained at that pressu

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a

Abstract: An apparatus for measuring an inferior-and-superior-limb blood-pressure index of a living subject, including an inferior-limb blood-pressure measuring device, a superior-limb blood-pressure measuring device, an index determining means for determining the inferior-and-superior-limb blood-pressure index, based on a systolic blood pressure of an inferior limb, measured by the inferior-limb blood-pressure measuring device and a systolic blood pressure of a superior limb, measured by the superior-limb blood-pressure measuring device, an estimated-inferior-limb-systolic-blood-pressure determining means for determining an estimated systolic blood pressure of the inferior limb, an estimated-superior-limb-systolic-blood-pressure determining means for determining an estimated systolic blood pressure of the superior limb, and a cuff-pressure control means for controlling at least one of respective pressures of the inferior-limb cuff and the superior-limb cuff, such that when the respective pressures of an inferior-limb

Abstract: An apparatus for measuring a systolic blood pressure of a living subject, including an inflatable cuff which is adapted to be wound around a body portion of the subject and includes a first inflatable bag which is inflatable to press an artery of the body portion, a first amplitude determining device for determining a first amplitude of each of a plurality of heartbeat-synchronous pulses of a first pulse wave which is produced in the first inflatable bag when a pressure in the first bag is changed, a pulse-wave detecting device which detects a second pulse wave which propagates from the artery to a downstream-side portion of the cuff as seen in a blood-flow direction in which blood flows in the artery, a second amplitude determining device for determining a second amplitude of each of a plurality of heartbeat-synchronous pulses of the second pulse wave which is detected by the pulse-wave detecting device when the pressure of the first inflatable bag is changed, a ratio calculating device for calculating a rat

Abstract: A blood-pressure measuring apparatus including a cuff having an inflatable bag, a first pulse-wave sensor which detects a first pulse wave propagated to the bag, a second pulse-wave sensor which detects a second pulse wave propagated to a downstream-side portion of the cuff wound around a body portion of a subject in a direction of flow of blood in an artery of the body portion, an amplitude correcting device for correcting a first group of respective amplitudes of heartbeat-synchronous pulses of the first pulse wave and/or a second group of respective amplitudes of heartbeat-synchronous pulses of the second pulse wave, so that one or more amplitudes of the first group that correspond to one or more pulses of the first pulse wave that are detected while the flow of blood is stopped by the inflated bag is equal to one or more amplitudes of the second group that correspond to one or more pulses of the second pulse wave that are detected while the flow of blood is stopped by the bag, an amplitude-difference dete

Abstract: An apparatus for measuring a systolic blood pressure of a living subject, including an inflatable cuff which is adapted to be wound around a body portion of the subject and includes a first inflatable bag which is inflatable to press an artery of the body portion, a first amplitude determining device for determining a first amplitude of each of a plurality of heartbeat-synchronous pulses of a first pulse wave which is produced in the first inflatable bag when a pressure in the first bag is changed, a pulse-wave detecting device which detects a second pulse wave which propagates from the artery to a downstream-side portion of the cuff as seen in a blood-flow direction in which blood flows in the artery, a second amplitude determining device for determining a second amplitude of each of a plurality of heartbeat-synchronous pulses of the second pulse wave which is detected by the pulse-wave detecting device when the pressure of the first inflatable bag is changed, a ratio calculating device for calculating a rat

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a

Abstract: A blood pressure monitor including a cuff, a pressure sensor which detects a pressure in the cuff, a pressure regulating device which increases the pressure of the cuff, a pulse-amplitude determining device for determining an amplitude of each of pulses of a pulse wave which are produced in the cuff and detected by the pressure sensor while the cuff pressure is increased, a candidate determining device for determining, as a diastolic BP candidate, a pressure of the cuff which is detected by the pressure sensor and which corresponds to an amplitude of a first pulse of the pulses determined by the pulse-amplitude determining device, by judging whether the amplitude of the first pulse is not greater than a reference value which is smaller than an amplitude of at least one second pulse of the pulses, by a predetermined proportion of the amplitude of the second pulse, the amplitude of the second pulse being determined by the pulse-amplitude determining device after the amplitude of the first pulse is determined, a