CN211560080U - Noninvasive blood pressure continuous detector - Google Patents

Abstract

The utility model discloses a noninvasive blood pressure continuous detector relates to medical equipment technical field. The utility model discloses in: the heart sound sensor is used for collecting heart sound and/or arterial pulse sound signals; the pulse sensor is used for acquiring an arterial pulse signal; the blood pressure sensor is used for collecting blood pressure data; the signal collector transmits the collected signals to the signal processor, and the signal collector transmits the signals to the computer; the signal processor is also provided with a display and a positioner; the localizer is used for calibrating the appointed heart beat signal; the signal processor is also connected with the pressure scaler. The utility model discloses a data such as sound, ripples, pressure are gathered to signal collector to through signal processor and computer processing calibration, can accurately measure the noninvasive blood pressure of heartbeat at every turn through the amplitude change of pulse sound wave, thereby show the invasive blood pressure of any same heartbeat and noninvasive blood pressure measurement value in the monitoring process, realized the continuous measurement of blood pressure.

Description

Noninvasive blood pressure continuous detector

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a noninvasive blood pressure continuous detector.

Background

Non-invasive blood pressure measurement has been used for measuring blood pressure in humans for over 100 years, but it still lacks effective theoretical and experimental support. Although the traditional noninvasive blood pressure measuring devices have various brands and are thousands of autumn, the traditional noninvasive blood pressure measuring devices have a common problem that only intermittent blood pressure measurement can be carried out. Generally, the blood pressure measurement result is not accurate enough, that is, the actual blood pressure condition of the human body cannot be effectively reflected, and particularly, the fluctuation condition of the blood pressure of the human body cannot be effectively known. The application of the dynamic blood pressure measuring instrument increases a channel for people to know the fluctuation condition of the human blood pressure, but actually, the dynamic blood pressure measuring instrument only measures the blood pressure of the human body at multiple time points, and is not really continuous blood pressure monitoring. The device for continuously monitoring the blood pressure by using the pulse wave principle is produced in the eighties of the twentieth century, other continuous blood pressure monitoring devices applied to different body parts are invented continuously, but the device is basically the pulse wave principle, the blood pressure value can be measured by heartbeat every time, people do not know how to synchronously compare the blood pressure value with the invasive blood pressure at the same time, and the device is complex to operate and poor in stability and cannot be popularized all the time.

According to the resonance theory of blood pressure measurement, it is believed that the decision of blood pressure measurement identifies that the blood pressure auscultation sounds originate from the vibrations produced by the closing of the heart valves of the left heart system. We performed further experimental validation studies for this purpose. We attached a heart sound sensor to the brachial artery on the medial elbow to auscultate blood pressure, thereby discovering the presence of decision marker sounds of blood pressure measurement in sound form and two sound components of korotkoff sounds. The synchronous experimental study also proves that: the auscultatory sounds of blood pressure, which are the main components of the korotkoff sounds, originate from the vibrations generated by the closing of the atrioventricular valve with the mitral valve as the main component, and it is found that there are arterial pulse sounds on the superficial artery, which are homologous to the first heart sound and the amplitude of which is consistent with the amplitude of the first heart sound, i.e. the amplitude of the first heart sound is high, and vice versa. The study considered that the amplitude of the first heart sound was positively correlated with the pressure at the end of the left ventricular ejection. Therefore, a non-invasive blood pressure continuous monitoring device is conceived, namely, the blood pressure condition is indirectly reflected by measuring the amplitude of the pulse sound wave.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noninvasive blood pressure continuous detector gathers data such as sound, ripples, pressure through signal collector to through signal processor and computer processing calibration, can accurately measure the noninvasive blood pressure of heartbeat at every turn through the amplitude change of pulse sound ripples, thereby show the invasive blood pressure of any same heartbeat and noninvasive blood pressure measurement value in the monitoring process, realized the most genuine blood pressure continuous measurement.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a noninvasive blood pressure continuous detector, which comprises a signal collector, a signal processor and a computer, wherein the signal collector comprises a heart sound sensor, a pulse sensor and a plurality of blood pressure sensors; the blood pressure sensor is an invasive blood pressure sensor;

the heart sound sensor is used for collecting heart sound and/or arterial pulse signals; the pulse sensor is used for acquiring an arterial pulse signal; the blood pressure sensor is used for collecting blood pressure data;

the signal collector transmits the collected signals to the signal processor, and the signal collector filters the signals transmitted by the signal collector through the filter and the AD converter, converts the signals into digital signals and transmits the digital signals to the computer;

the signal processor is also provided with a display and a positioner; the display displays data information acquired by the signal acquisition unit, and the positioner is used for calibrating an appointed heart beat signal; the locator is a button arranged on the signal processor; the heartbeat signal of a certain time which needs to be calibrated by an operator can be calibrated after being pressed;

the signal processor is also connected with a pressure calibrator; the pressure calibrator is a mercury sphygmomanometer and is used for measuring and recording the non-invasive systolic pressure value of a tester;

and the computer compares the blood pressure value of the calibrated heart beat with the pulse sound wave signal and then measures the noninvasive blood pressure of the heart beat according to the amplitude change of the pulse sound wave.

The utility model discloses following beneficial effect has:

the utility model discloses a data such as sound, ripples, pressure are gathered to signal collector to through signal processor and computer processing calibration, can accurately measure the noninvasive blood pressure of heartbeat at every turn through the amplitude change of pulse sound wave, thereby show the invasive blood pressure of any same heartbeat and noninvasive blood pressure measurement value in the monitoring process, realized the continuous measurement of blood pressure.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a system block diagram of a noninvasive blood pressure continuous detector.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1, the present invention relates to a non-invasive blood pressure continuous measuring apparatus, which comprises a signal collector, a signal processor and a computer, wherein the signal collector comprises a heart sound sensor, a pulse sensor and a plurality of blood pressure sensors; the blood pressure sensor is an invasive blood pressure sensor;

the heart sound sensor is used for collecting heart sound and/or arterial pulse sound signals; the pulse sensor is used for acquiring an arterial pulse signal; the blood pressure sensor is used for collecting blood pressure data;

the signal collector transmits the collected signals to the signal processor, and the signal collector filters the signals transmitted by the signal collector through the filter and the AD converter, converts the filtered signals into digital signals and transmits the digital signals to the computer;

the signal processor is also provided with a display and a positioner; the display displays the data information collected by the signal collector, and the positioner is used for calibrating the appointed heart beat signal; the locator is a button arranged on the signal processor; the heartbeat signal of a certain time which needs to be calibrated by an operator can be calibrated after being pressed;

the signal processor is also connected with a pressure calibrator; the pressure calibrator is a mercury sphygmomanometer and is used for measuring and recording the non-invasive systolic pressure value of a tester; generally, a sphygmomanometer cuff is attached to a portion of the right upper arm where blood pressure is measured or the same portion of the left upper arm according to a pressure measurement requirement of a textbook. No other sites are recommended. During pressure measurement, the calibrator is pressed when the noninvasive systolic pressure is heard, the pressure measurement value is input into a corresponding pressure input frame in the computer, and then the corresponding monitoring result shows the noninvasive systolic pressure value of each heartbeat;

the computer compares the blood pressure value of the calibrated heart beat with the pulse sound wave signal and then measures the non-invasive blood pressure of the heart beat according to the amplitude change of the pulse sound wave.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (1)

1. A noninvasive continuous blood pressure detector comprises a signal collector, a signal processor and a computer, and is characterized in that: the signal collector comprises a heart sound sensor, a pulse sensor and a plurality of blood pressure sensors; the blood pressure sensor is an invasive blood pressure sensor;

the heart sound sensor is used for collecting heart sound and/or arterial pulse signals; the pulse sensor is used for acquiring an arterial pulse signal; the blood pressure sensor is used for collecting blood pressure data;

the signal collector transmits the collected signals to the signal processor, and the signal collector filters the signals transmitted by the signal collector through the filter and the AD converter, converts the signals into digital signals and transmits the digital signals to the computer;

the signal processor is also provided with a display and a positioner; the display displays data information acquired by the signal acquisition unit, and the positioner is used for calibrating an appointed heart beat signal;

the signal processor is also connected with a pressure calibrator; the pressure calibrator is a mercury sphygmomanometer and is used for measuring and recording the non-invasive systolic pressure value of a tester;

and the computer compares the blood pressure value of the calibrated heart beat with the pulse sound wave signal and then measures the noninvasive blood pressure of the heart beat according to the amplitude change of the pulse sound wave.

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