CN216090461U

CN216090461U - Automatic measurement of human radial artery traditional chinese medical science pulse manifestation and long-range reduction rack of pressure of floating and sinking

Info

Publication number: CN216090461U
Application number: CN202120539388.8U
Authority: CN
Inventors: 陈文会; 陈江宁; 陈俊飞; 王国荣
Original assignee: Northwestern Polytechnical University
Current assignee: Northwestern Polytechnical University
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2022-03-22
Anticipated expiration: 2031-03-16

Abstract

The invention provides a human body radial artery traditional Chinese medicine pulse condition automatic measurement and floating-sinking pressure remote reduction rack, a control system receives a remote pulse condition pressure signal and controls an automatic pressurization rack to operate according to the size of the pulse condition pressure signal; the automatic pressurizing rack drives the piezoresistive pulse condition sensor to move up and down on the wrist of the human body after receiving a control signal of the control system, so that the automatic pressurizing measurement of the pulse condition is realized; the inclined U-shaped hand pillow is fixed on the wrist of a human body, automatically positions to find the position of the cun-guan ruler, and then the piezoresistive pulse condition sensor measures pulse condition signals of the wrist of the human body in real time. The invention is based on the principle of a stepping motor and a ball screw, is applied to the remote pulse diagnosis of the traditional Chinese medicine, realizes the effect of 'hanging silk pulse diagnosis', realizes the remote 'floating and sinking' pressure simulation and automatic pressurization, really realizes the pulse diagnosis and treatment in different places by the remote pulse diagnosis, removes the interference compared with the manual pressurization or the pneumatic pressurization, and ensures that the pulse condition signal acquisition is more accurate.

Description

Automatic measurement of human radial artery traditional chinese medical science pulse manifestation and long-range reduction rack of pressure of floating and sinking

Technical Field

The invention relates to the fields of electronic communication, sensor detection and mechanical control motion, in particular to a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback and automatic pressurization rack applied to a pulse condition detection and reduction instrument.

Background

The fixing means of the detection sensor are most commonly based on mechanical fixing, for example:

the utility model provides a buckle type is used for the last card and the lower card of centre gripping wrist, and both are connected through the pivot to be provided with the spring card that makes both keep the clamping state between last card and the lower card, wherein, be provided with at least one probe rod that extension length is adjustable on last card, the front end of probe rod is provided with the probe, through the extension length of adjusting the probe rod, in order to adapt to the radial artery pulse wave detection of different wrists.

The fixing device is also provided with a C-shaped bracket which can be sleeved on the neck; the C-shaped support is connected with an adjusting slide bar for adjusting the inner diameter of the support in a sliding fit mode, an elastic clamp handle and an elastic fine adjustment structure for adjusting the clamping force of the elastic clamp handle are mounted at the position, close to the middle, of the C-shaped support, the elastic clamp handle and the C-shaped support form an X-shaped clamp body, and the C-shaped support can be controlled to be opened and closed by operating the elastic clamp handle so as to be hung on the neck of an examinee conveniently.

A pneumatic pressurization-based device performs pressure conversion in a mode of inflating and deflating through a motor pump so as to achieve the purpose of automatic pressurization, for example, a movable wrist strap inflatable pulse diagnosis instrument for detecting spleen deficiency and diarrhea deficient pulse condition image analysis is used for performing pressurization measurement in the mode, and the mode has the advantages of simple design and convenience in carrying, and has the defects that the fixed numerical value cannot be accurately pressurized, and the measurement process is slow.

And a multi-point, three-part and automatic pressurizing type traditional Chinese medicine pulse detection device designed based on a motor driving mode for positioning and pressurizing, such as Tangweichang. This type of pressurization is relatively easy to pressurize to a fixed value relative to pneumatic pressurization.

The above parts are only directed at the traditional mechanical pressurization or the mechanical automatic pressurization to drive the pulse condition sensor to carry out pulse condition measurement, and do not consider what degree should be pressurized, and what specific pressurization value is, which is not in accordance with the principles of the three nine parts of the traditional Chinese medicine. In 1984, 27 th printed in 2000, 9 th month, the "diagnostics of traditional Chinese medicine", page 64, the second line, with a sentence "in addition, there are also methods for diagnosing various viscera, which are classified into floating, middle and deep, and the left and right are used for diagnosing heart, liver and kidney, and the right is used for diagnosing lung, spleen and vital gate, because of critical conditions. This method is also applicable to the treatment of old, weak, chronic diseases and postpartum diseases. This also illustrates the importance of applying sink-float pressure during the pulse taking process.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a human body radial artery traditional Chinese medicine pulse condition automatic measurement and floating-sinking pressure remote reduction rack. Aiming at the defects of the traditional pressurizing system, the invention provides a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback and automatic pressurizing rack which can simulate the floating, middle and sinking pressure applied by doctors, and an automatic positioning inclined U-shaped hand pillow is added in the rack, so that the purpose of automatic positioning of the inch scale and the inch scale can be achieved. The design of the table frame is extremely humanized, on one hand, the safety and no pressure of a patient in the measuring process are protected, and on the other hand, the simulation pressurization can be correctly carried out by utilizing an internal self-feedback system algorithm.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a kind of human radial artery traditional Chinese medicine pulse condition automatic measurement and floats to sink the long-range reduction rack of pressure in the middle, the peripheral circuit connects STM32F103 control system and automatic pressurization rack separately, the motor drive module in the peripheral circuit drives STM32F103 control system and automatic pressurization rack, the power module in the peripheral circuit supplies power for STM32F103 control system and automatic pressurization rack, STM32F103 control system receives the long-range pulse condition pressure signal, control the automatic pressurization rack to carry on the operation according to the magnitude of the pulse condition pressure signal; the automatic pressurizing rack drives the piezoresistive pulse condition sensor to move up and down on the wrist of a human body after receiving a control signal of an STM32F103 control system, so that automatic pressurizing measurement of pulse conditions is realized; the inclined U-shaped hand pillow is fixed on the wrist of a human body, automatically positions to find the position of the cun-guan ruler, and then the piezoresistive pulse condition sensor measures pulse condition signals of the wrist of the human body in real time.

The automatic pressurizing rack comprises a bottom plate (10) and a reinforcing support (5), the reinforcing support (5) is vertically arranged on the bottom plate (10), a power-off self-locking stepping motor (1) is fixed above the reinforcing support (5), the power-off self-locking stepping motor (1) is a driving element of the automatic pressurizing rack, a coupler (2) is connected below the power-off self-locking stepping motor (1), the coupler (2) is connected with the power-off self-locking stepping motor (1) and a ball screw (4), the ball screw (4) converts rotary motion into linear motion, the rotary motion of the power-off self-locking stepping motor (1) is converted into vertical displacement motion of the ball screw (4), the ball screw (4) is integrally fixed by the reinforcing support (5), the upper end of the ball screw (4) is connected with the power-off self-locking stepping motor (1) through the coupler (2), and the lower end of the ball screw (4) is connected with the bottom plate (10) through a bearing, guide rail (3) are passed in the middle of ball (4), keep away from one side welding support (6) of strengthening support (5) at guide rail (3), use clamping screw (8) fixed piezoresistive pulse condition sensor (7) on support (6), make piezoresistive pulse condition sensor (7) follow support (6) and carry out displacement motion from top to bottom, when outage auto-lock step motor (1) forward rotation, drive ball (4) clockwise rotation through shaft coupling (2), then guide rail (3) on ball (4) experience ascending external force, drive support (6) upward movement this moment, otherwise, when outage auto-lock step motor (1) antiport, guide rail (3) drive support (6) and do linear motion downwards.

The inclined U-shaped hand pillow (9) is a U-shaped hand pillow inclined by 30 degrees, and the bottom of the U-shaped hand pillow is an inclined plane inclined by 30 degrees and fixedly clamps the wrist of a human body; during measurement, firstly, the wrist is put into the inclined U-shaped hand pillow (9), and when the right wrist is measured, the inclined edge of the hand pillow is on the left side; when the left hand is measured, the bevel edge of the hand pillow is positioned on the right, and then the probe of the piezoresistive pulse condition sensor (7) is right opposite to the cun-guan-chi three positions of the wrist of the human body, so that the aim of assisting quick positioning is fulfilled, and the measurement at the correct pulse condition position is ensured.

The invention has the beneficial effects that the invention is based on the principle of the stepping motor and the ball screw, is applied to the remote pulse diagnosis of the traditional Chinese medicine, and realizes the effect of 'suspending the silk to diagnose the pulse'. According to the finger pressure of the pulse diagnosis of the traditional Chinese medical practitioner transmitted from a different place, the internal control system drives the stepping motor to work, and the ball screw is connected to drive the piezoresistive pulse condition sensor to carry out pulse condition data acquisition work of corresponding pressure, so that remote floating and sinking pressure simulation and automatic pressurization are realized. The design of the table frame supplements the defect of the traditional Chinese medicine remote pulse diagnosis pressure feedback technology, and enables the remote pulse diagnosis to truly realize remote pulse taking diagnosis and treatment. And the automatic pressurizing rack removes interference relative to manual pressurization or pneumatic pressurization, so that the pulse condition signal acquisition is more accurate.

Drawings

Fig. 1 is an overall structural view of the present invention.

Fig. 2(a) is a front view of the stage, and fig. 2(b) is a side view of the stage.

Fig. 3 is a schematic view of the inclined U-shaped hand pillow of the present invention.

FIG. 4(a) is a diagram showing a waveform of a pulse waveform acquired without using a pressurizing stage, and FIG. 4(b) is a diagram showing a waveform of a pulse waveform acquired with using a pressurizing stage.

The device comprises a power-off self-locking stepping motor 1, a coupler 2, a guide rail 3, a ball screw 4, a reinforcing support 5, a support 6, a piezoresistive pulse condition sensor 7, a clamping screw 8, an inclined U-shaped hand pillow 9, a base 10 and a human wrist 11.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

A human radial artery traditional Chinese medicine pulse condition automatic measurement and superficial middle-sunken pressure remote reduction rack, at the pulse condition signal acquisition end, the control system makes the automatic pressurizing module work normally, the overall design is as shown in figure 1, the peripheral circuit connects STM32F103 control system and automatic pressurizing rack separately, include the motor drive module and power module in the peripheral circuit and support STM32F103 control system and automatic pressurizing rack, STM32F103 control system receives the pressure signal of remote pulse condition, control the automatic pressurizing rack to carry on the operation according to the magnitude of the pressure signal of pulse condition; the automatic pressurizing stand drives the piezoresistive pulse condition sensor to move up and down on the wrist of a human body after receiving a control signal of the STM32F103 control system, so that automatic pressurizing measurement of pulse conditions is realized; the inclined U-shaped hand pillow is fixed on the wrist of a human body, automatically positions to find the position of the cun-guan ruler, and then the piezoresistive pulse condition sensor measures pulse condition signals of the wrist of the human body in real time.

The design structure of the automatic pressurizing rack is shown in fig. 2(a) and 2(b), the frame of the automatic pressurizing rack is composed of a bottom plate (10) and a reinforcing bracket (5), the reinforcing bracket (5) is vertically erected on the bottom plate (10), and in order to enable the automatic pressurizing rack to work better in the acquisition process, the system rigidity is increased, and the external interference and the artificial interference are reduced; a power-off self-locking stepping motor (1) is fixed above the reinforcing support (5), the power-off self-locking stepping motor (1) is a driving element of an automatic pressurizing rack, and power-off self-locking is realized in order to prevent a patient from being injured due to an accident, and if the accident happens, the power is cut off in time; a shaft coupling (2) is connected below a power-off self-locking stepping motor (1), the shaft coupling (2) is connected with the power-off self-locking stepping motor (1) and a ball screw (4), the ball screw (4) converts rotary motion into linear motion, the rotary motion of the power-off self-locking stepping motor (1) is converted into up-and-down displacement motion of the ball screw (4), the ball screw (4) is integrally fixed by a reinforcing bracket (5), the upper end of the ball screw (4) is connected with the power-off self-locking stepping motor (1) through the shaft coupling (2), the lower end of the ball screw (4) is connected with a bottom plate (10) through a bearing, the middle of the ball screw (4) penetrates through a guide rail (3), a bracket (6) is welded on one side of the guide rail (3) far away from the reinforcing bracket (5), and a piezoresistive pulse condition sensor (7) is fixed on the bracket (6) by using a clamping screw (8), make piezoresistive pulse condition sensor (7) follow support (6) and carry out up-and-down displacement motion, when outage auto-lock step motor (1) forward rotation, drive ball (4) clockwise rotation through shaft coupling (2), then guide rail (3) on ball (4) experience ascending external force, drive support (6) upward movement this moment, otherwise, when outage auto-lock step motor (1) antiport, guide rail (3) drive support (6) and do linear motion downwards.

The inclined U-shaped hand pillow (9) is positioned at the radial artery of a human body, the cunguanchi part is positioned at the radial artery of the human body, if no professional doctor guides the pulse condition acquisition process, a piezoresistive pulse condition sensor (7) under an automatic pressurization rack cannot find the correct cunguanchi position, so that an error pulse condition signal is acquired, in order to overcome the problem, an inclined U-shaped hand pillow (9) inclined by 30 degrees is designed on the basis of the automatic pressurization rack, as shown in fig. 3, as the cunguanchi part is positioned at the outer side of the radial bone of an arm, a probe of the piezoresistive pulse condition sensor (7) fixed on the automatic pressurization rack is in the vertical direction, and in order to ensure that the probe is reliably contacted with the cunguanchi part, the bottom of the U-shaped hand pillow in fig. 3 is an inclined plane inclined by 30 degrees, so that the wrist is inclined by 30 degrees and is just fixed on the wrist of the human body; during measurement, firstly, the wrist is put into the inclined U-shaped hand pillow (9), and when the right wrist is measured, the inclined edge of the hand pillow is on the left side; when the left hand is measured, the bevel edge of the hand pillow is positioned on the right, and then the probe of the piezoresistive pulse condition sensor (7) is right opposite to the cun-guan-chi three positions of the wrist of the human body, so that the aim of assisting quick positioning is fulfilled, and the measurement at the correct pulse condition position is ensured.

A subject is found at the acquisition end, and the subject must be asked to fully rest for 10-20 minutes to relax the body so as to make the breathing stable and the body position natural in order to reduce the influence of the breathing on the pulse chart, and the pulse chart is recorded after the whole body is relaxed. The test subject does not need to speak and expect during the test process, and the like, so that the emotional stability, the limb relaxation and the stable respiration are kept as much as possible. In order to prevent the AC interference, the acquisition end instrument must have good grounding and be installed with power line and signal line. Then the automatic pressurizing rack is used for collecting the pulse condition of the testee, the testee puts the arm into an inclined U-shaped hand pillow (9) for positioning, then the automatic pressurizing rack can drive the power-off self-locking stepping motor (1) to work according to the pressure value of the reducing end obtained by feedback, the ball screw (4) can rotate along with the work of the power-off self-locking stepping motor (1), the ball screw (4) and the power-off self-locking stepping motor (1) are connected by a coupler (2), the guide rail (3) can do linear motion along the screw shaft along with the rotation of the ball screw (4), meanwhile, the bracket (6) is connected with the guide rail (3) to do up-and-down displacement motion, a piezoresistive pulse sensor (7) is fixed below the bracket (6), therefore, the piezoresistive pulse condition sensor (7) can make pressing action along with the work of the power-off self-locking stepping motor (1). According to the self-feedback principle inside the system, when a fixed pressure value is reached, the system stops pressurizing, the piezoresistive pulse sensor (7) starts measuring a pulse signal, and the pressure signal and the pulse signal are transmitted back to the STM32F103 control system.

In order to verify the feasibility of the device and the influence on the reduction of the pulse condition, the pulse condition signals under the 'floating' pulse strength of the upper gateway part of the artificial hand at the reduction end are collected, namely the pressure is less than 75 grams force.

Fig. 4(a) shows the pulse condition signal collected on the artificial hand without using the present invention, and the overall pulse condition appears unstable and has a certain error, which is caused by the interference signal received by the collecting end during the pressurizing process. Fig. 4(b) shows that the signal acquired by the invention is applied by doctor of traditional Chinese medicine at the reduction end with floating force, and the same force is applied at the acquisition end by the device, so that the signal is stable, the reduction degree is high, and the original system is improved.

Claims

1. A human radial artery traditional chinese medical science pulse manifestation automatic measure and float middle and sink pressure long-range reduction rack, its characterized in that:

the peripheral circuit is respectively connected with the STM32F103 control system and the automatic pressurization rack, a motor driving module in the peripheral circuit drives the STM32F103 control system and the automatic pressurization rack, a power supply module in the peripheral circuit supplies power for the STM32F103 control system and the automatic pressurization rack, the STM32F103 control system receives a remote pulse condition pressure signal and controls the automatic pressurization rack to operate according to the size of the pulse condition pressure signal; the automatic pressurizing rack drives the piezoresistive pulse condition sensor to move up and down on the wrist of a human body after receiving a control signal of an STM32F103 control system, so that automatic pressurizing measurement of pulse conditions is realized; the inclined U-shaped hand pillow is fixed on the wrist of a human body, automatically positions to find the position of the cun-guan ruler, and then the piezoresistive pulse condition sensor measures pulse condition signals of the wrist of the human body in real time.

2. The human body radial artery traditional Chinese medicine pulse condition automatic measurement and floating-sinking pressure remote reduction rack of claim 1, which is characterized in that:

the automatic pressurizing rack comprises a bottom plate (10) and a reinforcing support (5), the reinforcing support (5) is vertically arranged on the bottom plate (10), a power-off self-locking stepping motor (1) is fixed above the reinforcing support (5), the power-off self-locking stepping motor (1) is a driving element of the automatic pressurizing rack, a coupler (2) is connected below the power-off self-locking stepping motor (1), the coupler (2) is connected with the power-off self-locking stepping motor (1) and a ball screw (4), the ball screw (4) converts rotary motion into linear motion, the rotary motion of the power-off self-locking stepping motor (1) is converted into vertical displacement motion of the ball screw (4), the ball screw (4) is integrally fixed by the reinforcing support (5), the upper end of the ball screw (4) is connected with the power-off self-locking stepping motor (1) through the coupler (2), and the lower end of the ball screw (4) is connected with the bottom plate (10) through a bearing, the middle of the ball screw (4) penetrates through the guide rail (3), one side of the guide rail (3) far away from the reinforcing support (5) is welded with a support (6), and the piezoresistive pulse sensor (7) is fixed on the support (6) by using a clamping screw (8) so that the piezoresistive pulse sensor (7) can move up and down along with the support (6).

3. The human body radial artery traditional Chinese medicine pulse condition automatic measurement and floating-sinking pressure remote reduction rack of claim 1, which is characterized in that:

the inclined U-shaped hand pillow (9) is a U-shaped hand pillow inclined by 30 degrees, and the bottom of the U-shaped hand pillow is an inclined plane inclined by 30 degrees and fixedly clamps the wrist of a human body.