78 results about "Monitoring blood pressure" patented technology

A two-component monitoring device and system for monitoring blood pressure from a patient is disclosed herein. The two-component monitoring device includes a disposable component and a main component. The disposable component features: i) a backing structure having a first aperture; and ii) first and second electrodes, each electrode connected to the backing structure and including an electrical lead and a conductive electrode material, and configured to generate an electrical signal that passes through the electrical lead when the conductive electrode material contacts the patient. The main component includes: i) first and second connectors configured to connect to the first and second electrical leads to receive the first and second electrical signals; and ii) an optical component comprising a light source that generates optical radiation and a photodetector that detects the optical radiation. The optical component inserts into the first aperture of the disposable component. The main component optionally includes an acoustic sensor. The system utilizes a processing device, connected to the monitoring device by a cable which receives and processes a plurality of signals to determine real-time blood-pressure values for the patient.

A blood pressure monitoring apparatus which continuously estimates and monitors the blood pressure by using the pulse wave propagation time can accurately estimate the blood pressure. While an estimated blood pressure is continuously calculated by using the pulse wave propagation time, the correlation between the pulse wave propagation time and the interval between feature points contained in two consecutive heart beat waveforms of an electrocardiogram is monitored. If the correlation is reversed, the blood pressure is actually measured, and the estimated blood pressure is corrected on the basis of the difference between the estimated blood pressure and actually measured blood pressure.

The present invention describes a system and method for continuous monitoring of central (aortic) and peripheral Blood Pressure. The system includes a fully mobile, non-invasive, continuous blood pressure monitoring system that includes one or more Biostrip devices affixed on a user, coupled with an application running on a computing device, which is further connected to a web server in the cloud. The system performs various computations on the Biostrip device, or on the gateway device (Smartphone or Smartwatch), or on the Cloud, and provides the user and authorized third parties with various insights about the blood pressure levels of the user. Further, the system enables the user to receive biofeedback training for controlling hypertension, and schedule online appointments, pay online for such appointments, share data the data securely to obtain insights.

The invention provides a method and an apparatus for a continuous non-invasive and non-obstrusive monitoring of blood pressure. The method comprises the steps of: a) measuring the value (PW) of a Pulse Wave parameter, equal to or derived from the Pulse Wave Velocity (PWV) parameter of a segment of the arterial tree of a subject, b) measuring the value (CO) of the Cardiac Output parameter, and c) determining the value (BP) of the blood pressure that satisfies

where PW is the value measured in step a), (CO, BP) corresponds to a predicted value of the Pulse Wave parameter computed according to a model of the segment of the arterial tree, the value (CO) of the Cardiac Output parameter measured in step b) and an hypothesized value of the blood pressure.

In blood pressure monitoring apparatus which continuously estimates and monitors blood pressure by using the pulse wave propagation time, blood pressure fluctuation can be accurately estimated. If both blood pressure estimated from the pulse wave propagation time and a waveform parameter obtained from the accelerated pulse wave have abnormal values, it is determined that the blood pressure is truly fluctuating, and blood pressure measurement by another method, e.g., blood pressure measurement using a cuff is performed.

An apparatus is provided for evaluating cardiovascular functions. The apparatus combines the principles of measuring pressure and pulse signals, and monitors blood pressure, pulse wave velocity and electrocardiogram (ECG) signals simultaneously. An inflatable cuff measures blood pressure and pulse wave velocity. The apparatus also calculates systolic pressure, diastolic pressure, mean arterial pressure and other parameters related to blood pressure. The apparatus not only calculates vascular Stiffness Index (SI), vascular Reflection Index (RI) and other arterial related parameters but also Pulse Wave Velocity (PWV), heartbeat, QRS interval, ST segment, and other ECG parameters.

A non-invasion system for measuring the blood pressure and waveform of arteria radialis on wrist of hand is disclosed. It can be used to monitor blood pressure, variation of cardiac rhythm, automatic nerve function, the waveform and frequency of respiration, cough, sneeze, etc and recognize the identity of person.

A novel and useful system and method for generating user feedback related to the quality of the placement and contact of a blood pressure sensor on a user's body. The sensor is incorporated in a wearable blood pressure measurement device that is capable of analyzing and providing feedback regarding the quality of placement and contact of the pressure sensor array. The wearable includes a pressure sensor array for monitoring blood pressure, means for attaching the pressure sensor to a user's body for measuring a region, a processor operative to record pressure signals from said sensor array and to calculate quality of pressure sensor contact to measurement area score, and a display operative to determine and display the quality of the placement and contact of the pressure sensor. A quality metric indicating the quality of the placement and contact of the pressure sensor is provided as feedback to the user. Directional arrows along with alphanumeric messages guide the user to achieve optimum placement of the device.

Devices, systems, and methods are disclosed for relaying information from a cardiac pacemaker to an external device. Logic on the pacemaker modulates a heartbeat clock of the pacemaker to encode information onto a blood pressure sequence. This is accomplished by adding or subtracting a small subinterval to or from a pulse repetition interval of the pacemaker. A muscle stimulator beats the heart according to the modulated sequence. A monitoring device external to the body monitors the blood pressure to retrieve the encoded information, or message. The encoded information is then decoded to determine the information in the message. This information may concern the pacemaker as well as other devices within the body that are in communication with the pacemaker such as blood monitors, etc. Since the message is conveyed via simple modulation of the heart beat intervals, no separate transmitter is required in the pacemaker which would otherwise increase cost and decrease battery life.

A system and method for measuring and monitoring blood pressure is provided. The system includes a wearable device and a tonometry device coupled to the wearable device. The Tonometry device is configured to compress a superficial temporal artery (STA] of a user. A sensor pad is attached to the wearable device adjacent the tonometry device. A blood pressure sensor is integrated within the sensor pad for continuous, unobtrusive blood pressure monitoring.

Described herein are methods for monitoring or modulating an immune system in a subject; treating, reducing or monitoring inflammation; monitoring blood pressure; treating hypertension; or administering or adjusting a therapy for inflammation or hypertension in a patient by electrically stimulating the splenic nerve or detecting splenic nerve activity using an implanted medical device. Also described herein are implantable medical devices for performing such methods. The implanted medical device includes an ultrasonic transducer configured to receive ultrasonic waves and convert energy from the ultrasonic waves into an electrical energy that powers the device, two or more electrodes in electrical communication with the ultrasonic transducer that are configured to electrically stimulate a splenic nerve or detect a splenic nerve activity, and optionally a splenic nerve attachment member.

A pressure sensor, for example, employed by a medical injection system for monitoring blood pressure, is isolated from relatively high pressures by a volume of a compressible medium, preferably air, or other suitable gas. The volume fills an entirety of a cavity of a pressure transducer assembly, and is enclosed between a pressure transmission interface of the assembly and the pressure sensor. The pressure transducer assembly is integrated into a fluid circuit such that the pressure transmission interface is exposed to flow through the fluid circuit. The cavity of the assembly has a configuration that allows transmission of a patient's blood pressure from the fluid circuit, via the interface and gas volume, to the pressure sensor, yet prevents transmission of the relatively high pressures, for example, injection pressures. The pressure transducer assembly may be part of a disposable fluid circuit subassembly, for example, packaged as a kit.

The invention discloses a continuous blood pressure measurement device based on a photoelectric volume sensor, which includes an information detection layer, an information processing layer, and an information feedback layer. The information detection layer includes a first photoelectric volume sensor, a second photoelectric volume sensor, a blood pressure processing module, an oscilloscope Method blood pressure acquisition module, acceleration sensor, information processing layer includes: power supply, A/D sampling module, embedded processing module, memory, serial port, oscillometric method blood pressure acquisition module comprises arm type oscillometric method blood pressure monitor, the present invention adopts two The photoelectric volume sensor measures blood pressure, which can continuously monitor blood pressure without the discomfort caused by inflation, which greatly improves the wearing comfort. Accuracy, and the acceleration sensor cooperates to collect the user's body position information, and judge the blood pressure measurement state correction data, and improve the accuracy of the calculated blood pressure value.

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.

The invention relates to a monitor with an air pressure type hemostasis function, which comprises a cuff of an air pressure type tourniquet, a pressure pump, blood pressure monitoring modules, a tourniquet function regulation push button, a tourniquet controller and a display module, wherein the blood pressure monitoring modules are a pressure sensor arranged on the blood pressure monitoring cuff and the other pressure sensor arranged on the cuff, the signal output ends of the pressure sensor and the other pressure sensor are connected with the tourniquet controller, the tourniquet function regulation push button is connected with the tourniquet controller, the tourniquet controller is connected with the control end of the pressure pump, and the display module is connected with the tourniquet controller. The monitor has the advantages that the function of the multifunctional monitor and function of the air pressure type tourniquet are integrated, and in addition, the pressure of the tourniquet can be dynamically regulated along with the blood pressure value measured by the monitor, so the pressure setting of the tourniquet is synchronously changed with the blood pressure of a patient, and the occurrence of complicating diseases is reduced.

The application is applied to the technical field of medical measuring, and provides a blood pressure wave form monitoring method. The blood pressure wave form monitoring method comprises the following steps of obtaining a physiologic signal wave form, and performing signal section treatment on the physiologic signal wave form to obtain the section signal wave form corresponding to the physiologicsignal wave form, wherein the physiologic signal wave form is obtained through the collection of signal acquisition equipment; inputting the section signal wave form corresponding to the physiologicsignal wave form to a trained function parameter generating model to be treated, so as to obtain function parameters corresponding to the physiologic signal wave form; and according to the function parameters, performing wave form restructuring, so as to obtain a continuous blood pressure wave form corresponding to the physiologic signal wave form. According to the blood pressure wave form monitoring method disclosed by the invention, through obtaining the collected physiologic signal wave form, based on the trained function parameter generating model, the function parameters corresponding tothe physiologic signal wave form are obtained, then according to the restructuring of function parameters, the corresponding continuous blood pressure wave form is obtained, and continuous monitoringof blood pressure wave form is realized.

The invention discloses a machine learning blood pressure monitoring method based on an LSTM neural network. The method comprises the following steps: acquiring electrocardio pulse wave signals and pressure pulse wave signal data of a monitored object through a signal acquisition device; carrying out preprocessing of noise removal and baseline drift on the obtained signal, and carrying out filtering to obtain an electrocardiogram wave and a PPW waveform; segmenting and processing the electrocardiogram waveform signal data and the PPW signal waveform signal data; and performing feature extraction on the segmented data to obtain a feature vector sequence, and inputting the feature vector sequence into an LSTM neural network model, wherein the output information of the LSTM neural network isthe blood pressure information of the monitored object and comprises systolic pressure SBP and diastolic pressure DBP. The key parameter PTT can be effectively utilized, and many characteristics of pulse waves of a part of people are difficult to recognize, so that universality of blood pressure monitoring is improved by only recognizing necessary characteristics.

The invention relates to an ultralow-power-consumption ultra-small-volume in-vivo implantation type blood pressure signal measuring and monitoring method and device. The device is in the form of a capsule. An electromagnetic coupling energy supply system and a rechargeable technology are utilized; a special blood pressure sensing system is utilized to complete blood pressure signal transfer, ultralow-power-consumption signal acquisition and wireless reception and transmission; an in-vitro signal data receiving system completes wireless receiving and conditioning of the signal; and a signal data processing and analyzing system is used for data storage and analysis via an interface module. The invention can monitor the contractive pressure and diastolic pressure in a long-term, safe, stable and direct way in a natural physiological state to acquire mean pressure, pulse rate, blood volume, blood flow and other related parameters, thereby completing display, storage and printing output of blood pressure waveform. The invention is widely used in pharmacological and pathological tests, is effectively used in researching cardiovascular disease, hypertension and diabetes, judging curative effects of related therapeutic drugs, monitoring blood pressure during and after surgeries for diagnosing and treating various diseases, and is applicable to other research fields.