Abstract: A blood pressure monitoring system that includes a compact housing that contains a pneumatic circuit that is removably attached to an inflatable cuff by a hoseless connector so that the cuff can be inflated and deflated to provide blood pressure readings that are detected by a pressure sensor. A controller is also contained in the housing which controls the circuit activities and records blood pressure related data. The controller is linked via a bidirectional communication system with a processor that is contained in a host station which programs the controller and collects and records blood pressure related data. The communication system also allows the monitoring system to communicate over a wider network with other remote stations.

Abstract: A pulse detection apparatus including: a support member that supports a pulse sensor so as to touch a human body with the pulse sensor; a cable that is electrically connected to the pulse sensor and mechanically connected to the support member; a first restriction member that is provided on the cable, and restricts the movement of the cable in a lateral direction thereof by fitting in a first concave portion provided on the support member; and a second restriction member that is provided on the cable, and restricts the movement of the cable in an extension direction thereof by fitting in a second concave portion provided on the support member.

Abstract: An apparatus for monitoring vital sign parameters in a biological entity is disclosed. In an embodiment, the apparatus includes at least one light source for transmitting light through the biological entity and at least one photodetector for receiving light transmitted through the biological entity. At least one light source and at least one photodetector are configured to be positioned proximate the biological entity in a manner that does not significantly impede blood flow through the biological entity. A signal is generated in response to the transmittance or reflectance of light through the biological entity. The signal corresponds to at least one characteristic of the generally unimpeded blood flow through the biological entity. The apparatus also includes a control system configured to analyze the signal to determine vital sign parameters in the biological entity. A method for monitoring vital sign parameters in a biological entity is also provided.

Abstract: The invention relates to a blood pressure manometer comprising a housing, a cuff connected to the housing, a cuff storage element in which a section of the cuff can be retracted to adjust the width of the cuff, and a cuff tightener which pulls the cuff section into the cuff storage element with a pre-determined tractive force. The cuff tightener comprises a pre-tensioned spring drive and a detachable withdrawal blocking element which prevents the cuff from withdrawing counter to the spring drive. The spring drive causes the cuff to automatically tighten with a pre-determined force, ensuring reproducible measuring results. The cuff storage element and the cuff tightener can be integrated into or engaged in a locking manner with the housing. An automatic switch-on mechanism switches the appliance on as soon as the cuff storage element is locked to the housing when the cuff is positioned on the limb.

Abstract: A memory of an electronic blood pressure monitor stores blood pressure data measured in the past in association with measurement time data. Each time a subject operates a month update switch, representative blood pressure data of each month is read from the memory and displayed. Each time a day update switch is operated, representative blood pressure data of each day is read and displayed. Each time an individual switch is operated, blood pressure data is read and displayed in the order of measurement time in a day.

Abstract: In a blood pressure meter (1) including: a body which is connected through a tube with a cuff and which has a display section (14) which displays a blood pressure value determined by a control section (6) based on a variation in a pressure measurement value by a pressure sensor (5) in the cuff; a spherical hand pump (3) which is attached to the body (2) and which supplies air by a compressing operation to the cuff to inflate the cuff; and a grasp section (16) which is extended from the body (2) along the outer surface of the pump (3) in the direction of the axis of the hand pump (3) and which is capable of being grasped with the pump (3), the display section (14) being placed at the body (2) so that a blood pressure value is visible from a direction substantially normal to the axis of the pump (3), the center line in the width direction of the grasp section (16) is placed at a position at 45° about the axis line of the pump (3) relative to the display (14).

Abstract: A cuff as a living body pressing apparatus provided for a blood pressure monitor as a living body information measuring apparatus includes an air bag and a curled elastic member wound annularly around an outer side of the air bag. The air bag has an engagement portion at each side end portion in the width direction. The engagement portion is folded along the end face of the curled elastic member toward the curled elastic member, and secured to the outer peripheral surface of the curled elastic member. With this configuration, it is possible to provide a living body pressing apparatus capable of preventing occurrence of lateral displacement, and a living body information measuring apparatus provided with the living body pressing apparatus.

Abstract: In wrapping a blood pressure measurement cuff enclosing therein a bladder, which is inflated when supplied with air, around a region for measurement, first, a predetermined amount of air is supplied to the bladder and then enclosed therein. Then, the blood pressure measurement cuff is wrapped around the region for measurement of a subject for the purpose of measuring his/her blood pressure. During this wrapping process, relative variations in the pressure in the bladder are sequentially detected. The time period in which the detection results indicate that the variation has not reached a predetermined threshold value, the wrapping proceeds. When the detection results indicate that the variation has reached the predetermined threshold value, the wrapping is terminated.

Abstract: The apparatus and methods of the present invention provide a non-invasive measurement of blood pressure with a frequency that approximates a continuous measurement. Blood pressure measurement provides information that is both clinically and diagnostically significant. In accordance with an aspect of the present invention, a method for providing a non-invasive measurement of blood pressure, includes obtaining a first input signal and a second input signal indicative of systolic blood pressure and diastolic blood pressure, respectively; tracking a signal indicative of pulse pressure; continuously measuring a third signal indicative of mean blood pressure; and processing the signals to obtain a measurement indicative of systolic and diastolic blood pressure, wherein at least a portion of the measurement indicative of systolic and diastolic blood pressure is continuous.

Abstract: The present invention discloses a non-invasive blood pressure measurement apparatus and a safety protection method. In addition to a main pressure measurement circuit and a main microprocessor circuit, the measurement apparatus also includes an independently disposed assist pressure measurement circuit and an independently disposed assist microprocessor circuit. In normal measurement, the assist microprocessor circuit periodically samples a cuff pressure via the assist pressure measurement circuit, and compares the measured cuff pressure with a specified overpressure protection value, and if the cuff pressure exceeds the specified overpressure protection value, the assist microprocessor circuit outputs a control signal to open a deflation valve until the pressure falls to below the safety pressure.

Abstract: A method and an apparatus for calculating blood pressure with signal transformation are provided, wherein said apparatus comprises: a pressure sensor, a pressure and pulse wave amplification circuit, an A/D converter, a microprocessor, a control circuit, an air pump and a valve component connected with the cuff gas circuit, a signal processing module and a ratio analysis module; and the method includes the steps of carrying out signal transformation of a time sequence of a sampled PW digital signal, calculating a maximum amplitude value and a corresponding frequency value based on the transformed signal, taking the maximum amplitude value as a amplitude value under the present pressure, carrying out continuously signal transformation of the time sequences of the PW digital signals at different pressure in order to constitute a PW amplitude-pressure curve and obtain an average pressure and a corresponding pulse rate from the PW amplitude-pressure curve, and finally calculating the systolic pressure and diastol

Abstract: The present invention is directed to community based managed health kiosk systems for recording and analyzing individual user's health-related data in various locations throughout a community. The disclosed kiosk systems collect health data from a user to create and transmit a personal health record and to facilitate communication of the health data to remotely located health care professionals and researchers.

Abstract: A method for non-invasively estimating blood pressure is disclosed herein. The method includes inflating a cuff and collecting first oscillation amplitude data at a first plurality of cuff pressure levels while inflating the cuff. The method also includes deflating the cuff and collecting second oscillation amplitude data at a second plurality of cuff pressure levels while deflating the cuff. The method also includes fitting a curve to the first oscillation amplitude data and to the second oscillation amplitude data and estimating a blood pressure parameter based on the curve. A non-invasive blood pressure system is also disclosed.

Abstract: This invention provides a blood pressure measuring apparatus capable of stably measuring the blood pressure in even the tragus while suppressing the degree of invasion. An attaching portion (3) of the blood pressure measuring apparatus has an inner cuff (6), an outer cuff (7), and a holding member (10) which holds the inner cuff (6) and outer cuff (7), and the holding member has a “U” shape. The end portions of the holding member (10) where the inner cuff (6) and outer cuff (7) are arranged are almost parallel to each other, and the inner cuff (6) and outer cuff (7) oppose each other. An auxiliary member (80) which comes in contact with a predetermined position of the ear of a person to be measured and increases the attachment stability of the inner cuff (6) and outer cuff (7) at the tragus is attached to the holding member (10).

Abstract: A data transmission unit for a blood pressure meter. The data transmission unit includes an external transmission interface for the transmission of data to external data processing equipment and/or from external data processing equipment. The unit also includes an internal connection interface operable to detachably connect the data transmission unit to the blood pressure meter. As such, the data transmission unit forms an exchangeable interface converter for the blood pressure meter that converts a first data and/or transmission format fitting of the blood pressure meter into a second data and/or transmission format fitting of the external data processing device.

Abstract: A blood pressure cuff assembly is disclosed herein. The blood pressure cuff assembly includes a data storage device and cuff data stored on the data storage device. The cuff data pertains to a degree of wear of the pressure cuff assembly and/or an age of the pressure cuff assembly. A corresponding blood pressure monitoring system incorporating the blood pressure cuff assembly, and a method for implementing the blood pressure cuff assembly are also disclosed.

Abstract: A surgical tourniquet cuff system includes a tourniquet cuff with a cuff connector for communicating pneumatically with the cuff and for releasably connecting to a tourniquet instrument connector to establish a pneumatic passageway between the cuff connector and the tourniquet instrument connector. A tourniquet instrument supplies pressurized gas through the pneumatic passageway to the cuff. The tourniquet instrument connector includes a cuff pressure transducer for producing a cuff pressure signal indicative of the pressure of gas within the gas passageway near the connection. The cuff may include a cuff usage register for containing a cuff usage record and the tourniquet instrument connector may include a cuff usage register interface for reading the record. The tourniquet cuff may further include a cuff sheath forming a flexible conduit containing the cuff connector and sized to allow the connection of the cuff connector to the tourniquet instrument connector within the sheath.

Abstract: A blood pressure measuring apparatus controls a winding mechanism in parallel with increase or decrease of a pressure of a measuring fluid bladder after the measuring fluid bladder is wound around a measurement region. Therefore, a change in a winding state of the measuring fluid bladder is prevented. Additionally, measurement accuracy is improved by keeping compliance of the measuring fluid bladder constant.

Abstract: The invention relates to a blood pressure monitor for measuring the blood pressure of a person including a blood pressure cuff. The blood pressure monitor also includes an electro-pneumatic package. The electro-pneumatic package includes a pump, a valve, a pressure sensor, and one or more accelerometers. A pneumatic mechanical coupling is configured to pneumatically and mechanically directly couple the blood pressure cuff to the electro-pneumatic package, wherein a signal from the one or more accelerometers configured to indicate an activity level of the person during a blood pressure measurement. A display is configured to display an indication of the activity level. The invention also relates to a blood pressure monitor wherein an electronics circuit is configured to receive the motion signal from the one or more accelerometers during a blood pressure measurement. The invention also relates to a method for detecting a motion artifact in a non-invasive blood pressure measurement.

Abstract: The present invention relates to a device and a method for estimating central systolic blood pressure based on oscillometric signals from brachial artery by the use of a pressure cuff.

Abstract: The present invention relates to cuff-based method for the measurement of systolic blood pressure (SBP) by measuring photoplethysmographic (PPG) signals in peripheral blood vessels distal to the cuff and to a method for cuffless measurement of SBP by analyzing PPG signals in peripheral blood vessels, after suitable calibration by the cuff-based PPG method for the measurement of SBP.

Abstract: A method and system for determining when to make a reversion to smaller cuff pressure steps during an oscillometric blood pressure measurement is disclosed. The method and system comprise comparing conformance of oscillometric envelope blood pressure data with previous blood pressure data, including measuring a shift between the oscillometric envelope blood pressure data and an oscillometric envelope derived from the previous blood pressure data. In addition, the method and system include making a reversion decision based on whether the shift exceeds an allowable threshold. Once a reversion decision is made a subsequent decision may be made as to the need for increasing the cuff pressure level.

Abstract: 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.

Abstract: Provided is a non-invasive electronic method and apparatus for measuring blood pressure, in which the data is processed with an algorithm of non-linear fitting for recovering trend envelope of an oscillating PW by a firmware, so that the trend envelope of PW amplitude can be recovered accurately, and the obtained average pressure shows higher degree of agreement with the real situation in clinic. In this apparatus, a 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20).

Abstract: The present invention provides a portable hydraulic sphygmomanometer comprising: a manual hydraulic belt, a pressure sensor for detecting the pressure of hydraulic belt, and a compute device for calculating the blood pressure.

Abstract: A sphygmomanometer and a chip card for use therein. The sphygmomanometer includes a measuring device for determining blood pressure data and a control device. The control device has a chip card reader operable to read an insertable control chip card. The chip card includes data which is read by the chip card reader. A control function of the sphygmomanometer is carried out as a result of the data being read by the chip card reader.

Abstract: A blood pressure level display device or the like is provided which allows easy measurement and has an improved convenience during measurement. It has a blood pressure display panel 24 having a circumferentially-calibrated scale, and includes: a systolic blood pressure indicating unit for providing a systolic blood pressure indication based on a state of systolic blood pressure; and a diastolic blood pressure indicating unit for providing a diastolic blood pressure indication based on a state of diastolic blood pressure.

Abstract: A sphygmomanometer capable of adjusting a viewing angle of a display screen includes a housing, and the housing includes a lower casing and an upper casing. The lower casing includes a pivotal axle and a position limit mechanism. The upper casing has a containing space for containing a rotating body, and a display screen installed on a side of the rotating body, and a shaft protruded from another side of the rotating body which faces the lower casing. The shaft is sheathed onto the pivotal axle for the use of the sphygmomanometer. When the sphygmomanometer is worn onto a user's wrist or arm, the pivotal axle and the shaft are operated to turn the display screen on the rotating body to an appropriate position, so as to facilitate the user or medical professionals to view the reading of the measurement on the display screen.

Abstract: A rising cuff pressure detects the diastolic blood pressure and continues to rise to generate a pulse amplitude profile. The systolic blood pressure is determined by a computation using data from the profile to discriminate against the contribution of a hardened artery, without requiring the cuff pressure to exceed the systolic blood pressure.

Abstract: A cuff (1) for measuring arterial pressure including a tubular sleeve (2) with an integrated inflatable chamber (11), which is adapted to be wrapped around the arm of a patient; the cuff includes fastening means (10) adapted to fasten the cuff (1) around the arm of the patient and to detect the circumference of the arm, in order to use the circumference datum as a connection factor for measuring the arterial pressure detected by means of the cuff (1).

Abstract: A system and method for taking non-invasive blood pressure and other vascular parameter measurements includes placing a vascular compression device about an appendage of a subject. An arterial/venous occlusion cuff is placed about a base of the appendage. The vascular compression device is activated to generate compression ischemia in the appendage. The arterial/venous occlusion cuff is pressurized to generate arterial/venous occlusion in the appendage. The vascular compression device is deactivated. The arterial/venous occlusion cuff is gradually depressurized to allow blood and other body fluids to flow into the appendage and thereupon determine vascular parameters such as, for example, systolic arterial blood pressure, diastolic arterial blood pressure, venous blood pressure, arterial blood flow, blood vessel compliance, and appendage blood volume.

Abstract: A flow system for use in a monitor for measuring blood pressure that automatically configures the flow path of the system when either a single lumen cuff or a dual lumen cuff is coupled to the monitor.

Abstract: A blood pressure measuring apparatus to measure blood pressure based on a change in a pressure by a cuff mounted to a subject comprises: cuff pressure controlling means for deflating the cuff after avascularization by the cuff at a body part around which the cuff is placed; detecting means for detecting the change in a pressure by the cuff and outputting the detection as an electrical signal; extracting means for extracting a pulse wave signal from the electrical signal; and calculating means for calculating a systolic blood pressure value and a diastolic blood pressure value based on a relation between a change rate of an index value which is calculated by multiplying a maximum amplitude of each pulse of the pulse wave signal by the cuff pressure corresponding to the maximum amplitude and a predetermined value. The blood pressure measuring apparatus achieves a high-speed measurement while suppressing the reduction of accuracy.

Abstract: A method for identifying a non-invasive blood pressure cuff type is disclosed herein. The method includes inflating a cuff and obtaining a first pressure measurement in a non-invasive blood pressure system while inflating the cuff. The method also includes obtaining a second pressure measurement in the non-invasive blood pressure system while inflating the cuff and identifying a cuff type based on the first pressure measurement and the second pressure measurement. A corresponding blood pressure monitoring system is also provided.

Abstract: An integrated tail mounted blood pressure monitor and pulse oximeter system includes a tail blood flow occlusion member configured to selectively occlude blood flow through the tail; a sensor coupled to the tail blood flow occlusion member detecting a degree of operation thereof; Light sources coupled to the tail closer to the distal end of the tail than the tail blood flow occlusion member, and selectively directing light of two different wavelengths into the tail; a light receiver coupled to the tail and selectively receiving a signal associated with light directed into the tail from the light sources; and a controller configured to selectively determine blood pressure parameters from the data and pulse oximeter parameters from the data.

Abstract: A method, device and computer program product used to determine at least one cardiovascular parameter Pm, for example, the pulse, average arterial pressure (MAP), systolic pressure, diastolic pressure, arterial wave form, speed of the blood flow, systole duration, or diastole duration, by a measuring device which detects, in a non-invasive manner and in a time interval, several signals Flm of an artery, through which blood flows, as a reaction to an application of force to the artery.

Abstract: A pressing cuff presses a pressure sensor above an artery. The level of the pressure applied to the pressure sensor is changed while the pulse wave is measured based on information about the pressure from the pressure sensor. In order to adjust the level of the applied pressure using the pressure of gas in the pressing cuff, a three-port valve and a two-port valve are controlled so that the connection is changed to establish a state of holding the amount of the gas in the pressing cuff. Then, the state is changed to a state of isolating and discharging gas in which a part of the held gas is isolated from the remaining amount of the gas to be discharged. Then, the state is changed to the state of holding the remaining amount of gas in the pressing cuff.

Abstract: A system and method are provided for sensing cardiac electrogram (EGM) signals and ventricular pressure signals and for using the sensed EGM and sensed pressure signals for estimating stroke volume (SV). A measure of cardiac output can be computed from the estimated SV and a heart rate determined from the EGM signals. The sensed ventricular pressure signal and the sensed EGM signal are used to derive landmark points such as an estimated pulmonary diastolic pressure, a mean pulmonary artery pressure, a peak right ventricular pressure (RVP), and various time intervals used in computing an area or a pulse contour integral. The pulse contour integral is used to estimate SV. The estimated pulmonary diastolic pressure, mean pulmonary artery pressure and CO computed from the estimated SV can be used to compute a pulmonary vascular resistance.

Abstract: A blood pressure measuring system and method are provided. The blood pressure measuring system includes a first sensing unit sensing a patient's blood pressure, a second sensing unit sensing a patient's blood flow, a pressure control unit controlling a pressure applied to the patient by the first sensing unit, and an operation and control unit controlling an operation of the pressure control unit and calculating a patient's blood pressure by analyzing and comparing signals output from the first and second sensing units.

Abstract: A connector body includes two latch plates which detachably fix different connector bodies. The two latch plates are configured to be able to fix the one connector body to the other connector body at a step portion on the other connector body. The step portion is at a position which is different from an airtight portion of an O-ring used to establish airtightness between a fluid path of a connector chassis and a fluid path of the other connector body. Therefore, a blood-pressure measuring device is obtained in which a blood-pressure measuring device main body and a cuff are easily connected while damage of a tube or a piping component can be prevented.

Abstract: An automatic blood pressure monitor having a housing containing a first water and air tight chamber and a second air supply chamber, the chambers being separated by a common wall. Pneumatic equipment is mounted in the first chamber having a flow circuit for inflating and deflating a blood pressure cuff. A filtering unit is mounted in the common wall for retaining particulate material and moisture that is exchanged between the two chambers. The flow circuit has an air inlet port and an air exhaust port which are both located adjacent to the filter contained in the filtering unit whereby particulate material and moisture drawn into the flow circuit is retained upon the filter during inflation cycle and the particulate material and moisture retained on the filter is blown back into the air supply chamber during the deflation cycle. A drain is mounted in the floor of the air supply chamber through which particulate material and moisture collected in the chamber is discharged to the surrounding ambient.

Abstract: Auto-focusing blood pressure monitor intended for “difficult” arms in order to make accurate and reliable measurements both at a normal arm and an arm with unusual formations, on which it has up to now been difficult to measure the blood pressure. The cuff has a cover and a bladder positioned therein. The bladder has two longitudinal chambers. A reinforcement extends along a valley between the chambers and operates as a tension ring, which maintains the division of the bladder in two chambers also at high internal pressure in the bladder. During application to a “difficult” arm, the reinforcement will be displaced towards the portion of the arm in which the problems are smallest while maintaining the division into two elliptical chambers. The elliptical chambers focus the pressure at the artery positioned there below so that a reliable measurement can be obtained.

Abstract: A blood pressure measuring device for measuring the blood pressure of a patient is provided. The device comprises an inflatable cuff adapted to be placed around the upper arm or wrist of the patient, a pressure sensor for measuring the pressure within the cuff, a calculating unit for oscillometrically calculating the value of the blood pressure on the basis of the pressure values in the cuff, means for inflating the cuff and pressure control means for controlling and releasing the pressure in the cuff, said pressure control means comprising at least one valve. Further, the device has switching means for switching between at least two measuring modes, wherein in a first measuring mode, the cuff pressure is released at a first deflation rate and in a second measuring mode the cuff pressure is released at a second deflation rate which is smaller than the first deflation rate.

Abstract: A manual-driven inflation-powered electronic blood pressure measuring apparatus includes an inflation unit to generate pressurized air by a user through hand squeezing, a power generation unit to receive the pressurized air to generate and output electric power, an electronic blood pressure measurement unit to receive the electric power output from the power generation unit and the pressurized air from the inflation unit to inflate an air pouch, and a sensor to detect a person's blood pressure signals in cooperation with the inflation pouch, and outputs a measurement result through an output unit.

Abstract: Provided is a non-invasive electronic method and apparatus for measuring blood pressure, in which the data is processed with an algorithm of non-linear fitting for recovering trend envelope of an oscillating PW by a firmware, so that the trend envelope of PW amplitude can be recovered accurately, and the obtained average pressure shows higher degree of agreement with the real situation in clinic. In this apparatus, a 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20).

Abstract: An apparatus for measuring hydrodynamic parameters, especially for Augmentation Index (Aix) and/or Ejection Duration (ED), by non-invasive, cuff based occlusive, blood pressure measurement, which apparatus comprises occlusive, oscillometric automatic blood pressure meter and units. There can also be a method for non-invasive measurement of hemodynamic characteristics, especially AN and/or ED with an occlusive, pressure sensor cuff, placed on the brachial artery, wherein the apparatus according to the invention samples and analyzes and evaluates the signal flow of the oscillations of pulse waves using an unusual stepwise blood pressure measurement.

Abstract: A system and method for monitoring and estimating the blood pressure of a pregnant patient that modifies the blood pressure estimating algorithm when the patient is pre-eclamptic. The level of carbon monoxide within a patient's bloodstream or exhaled breath can be analyzed to determine whether a pregnant patient is pre-eclamptic. After the patient has been diagnosed as pre-eclamptic, the NIBP monitoring system adjusts its algorithm for estimating the patient's blood pressure to compensate for the physical changes that occur in the patient during pre-eclampsia. The adjusted blood pressure estimates calculated by the NIBP monitoring system can be calculated using different adjustment techniques and methods and are displayed on the NIBP monitor.

Abstract: A method and system for operating a non-invasive blood pressure monitor that utilizes an SpO2 plethysmographic signal to reduce the time required to obtain an estimation of a patient's blood pressure. During operation of the NIBP monitor, the NIBP monitor utilizes the SpO2 plethysmographic signal to determine a timing period and a deflation period for each pulse associated with the patient's heartbeat. Upon receiving an oscillation pulse, the NIBP monitor determines the oscillation amplitude during the timing period and deflates the blood pressure cuff during the deflation period immediately following the timing period. Preferably, the deflation period occurs during the same oscillation pulse used to calculate the oscillation pulse amplitude to decrease the amount of time required to obtain a blood pressure estimate from the patient.

Abstract: A blood pressure measurement system is configured to perform a calibration automatically when a calibration condition is satisfied. The calibration condition is based upon one or more parameters of pulse waves of a subject. The parameters may include pulse wave area; a time difference between systolic peak and reflected wave peak or dichrotic notch in the pulse wave and a shape of at least a portion of the pulse wave.

Abstract: In order to provide a technique for determining high-quality blood pressure values of a patient, especially in cases of unsupervised blood pressure measurements in a home environment, it is suggested to use a system (1) for determining the blood pressure of a patient (2) comprising a blood pressure measuring device (3, 4) for measuring a blood pressure value, an auxiliary device (6, 7, 8, 9) for measuring the motor activity of the patient (2) during a defined period of time prior to the blood pressure measurement, and a processing device (13, 14), said processing device (13, 14) being adapted to obtain the motor activity information and the blood pressure value, said processing device (13, 14) being further adapted to automatically assess the blood pressure value using the motor activity information, and said processing device (13, 14) being further adapted to provide a measuring result depending on the result of the assessment.