CN111938585A - Traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device and method - Google Patents
Traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device and method Download PDFInfo
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- CN111938585A CN111938585A CN202010708385.2A CN202010708385A CN111938585A CN 111938585 A CN111938585 A CN 111938585A CN 202010708385 A CN202010708385 A CN 202010708385A CN 111938585 A CN111938585 A CN 111938585A
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- 239000003814 drug Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 13
- 230000009467 reduction Effects 0.000 claims abstract description 58
- 230000035485 pulse pressure Effects 0.000 claims description 12
- 210000004204 blood vessel Anatomy 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000000952 spleen Anatomy 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 208000021129 Postpartum disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000002321 radial artery Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
Abstract
The invention discloses a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device, which is mainly applied to a pulse condition detection and restoration system; the device is divided into an acquisition end and a reduction end, the reduction end determines pulse taking strength of a pulse taking person and feeds the pulse taking strength back to the acquisition end, the acquisition end uses an automatic pressurization module to automatically pressurize the pulse condition sensor, pulse condition information acquired by the acquisition end is remotely transmitted to the reduction end through a network, and the reduction end utilizes the simulation reduction device to reduce the pulse condition information. By the device, a pulse feeling person at the reduction end can actively feel the simulated pulse feeling according to the pressure applied by the pulse feeling person instead of passively receiving the simulated pulse feeling, so that the floating, middle and sinking pulse feeling of the traditional Chinese medicine can be accurately and remotely realized.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a pulse condition feedback device and method.
Background
In traditional Chinese medicine treatment, remote treatment is often required, and the most important point of the remote treatment is that the patient can be accurately and remotely monitored. Whether remote pulse taking is effective often depends on the placement and performance of the detection sensors.
In the prior art, the most common fixing means for the detection sensor are based on mechanical fixing, such as:
a buckle type detection sensor comprises an upper clamp and a lower clamp which clamp wrists, the upper clamp and the lower clamp are connected through a rotating shaft, a spring clamp which enables the upper clamp and the lower clamp to keep a clamping state is arranged between the upper clamp and the lower clamp, at least one probe rod with adjustable extension length is arranged on the upper clamp, a probe is arranged at the front end of the probe rod, and the extension length of the probe rod is adjusted to adapt to radial pulse wave detection of different wrists.
A C-shaped fixing device is provided, which is provided with a C-shaped bracket that 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.
A multi-point, three-position, automatic pressurizing type Chinese medicine pulse detecting device based on motor driving for positioning and pressurizing, such as the design of 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 "floating, medium and deep" pressure during the pulse taking process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device, which is mainly applied to a pulse condition detection and restoration system; the device is divided into an acquisition end and a reduction end, the reduction end determines pulse taking strength of a pulse taking person and feeds the pulse taking strength back to the acquisition end, the acquisition end uses an automatic pressurization module to automatically pressurize the pulse condition sensor, pulse condition information acquired by the acquisition end is remotely transmitted to the reduction end through a network, and the reduction end utilizes the simulation reduction device to reduce the pulse condition information.
In order to achieve the purpose, the invention adopts the following technical scheme:
a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device comprises an acquisition end, a reduction end and a network control module;
the reduction end comprises a pressure feedback module, the pressure feedback module detects pulse taking pressure of a pulse taking person and feeds the pulse taking pressure back to the acquisition end through the network control module;
the acquisition end comprises an automatic pressurization module and a pulse piezoresistive sensor, the automatic pressurization module applies pressure to the arm of the testee through the pulse piezoresistive sensor, and the pressure is the same as the pulse taking pressure fed back by the reduction end received by the acquisition end; meanwhile, the pulse piezoresistive sensor collects the pulse condition information of the testee and transmits the pulse condition information to the reduction end through the network control module.
Further, the automatic pressurizing module comprises a stepping motor, a motor lead screw, a nut, a micro connecting rod, a support sleeve, a support arm, a support base, a motor driver and a hand pillow;
the support sleeve is positioned right above the support base, and the support arm is arranged on the side surfaces of the support sleeve and the support base and connects the support sleeve and the support base into a whole to play a supporting role;
the stepping motor is positioned right above the support sleeve; the upper end of a motor lead screw is connected with a stepping motor, and the lower end of the motor lead screw enters a support sleeve and is connected with a nut in the support sleeve; when the stepping motor works, the motor lead screw is driven to rotate, and the motor lead screw drives the nut to do linear reciprocating motion along the vertical direction;
the upper part of the miniature connecting rod is sleeved on the outer ring of the nut, so that the nut is limited to do linear motion along the vertical direction and cannot rotate; meanwhile, the nut drives the miniature connecting rod to do linear motion in the vertical direction; the pulse piezoresistive sensor is fixed at the lower end of the miniature connecting rod, and the miniature connecting rod drives the pulse piezoresistive sensor to do linear motion in the vertical direction;
the hand pillow is positioned right below the pulse piezoresistive sensor and fixed on the bracket base; when taking pulse, the arm of the subject is placed on the hand pillow, and the pulse piezoresistive sensor moves downwards to contact with the arm of the subject to make pressing action;
the motor driver is fixed above the support arm and drives the stepping motor to move.
Furthermore, the reduction end also comprises a simulation arm and a simulation blood vessel, and the simulation blood vessel is positioned in the cavity of the simulation arm; the pressure feedback module is arranged below the simulated blood vessel in the simulated arm cavity and is positioned at the simulated arm dimension position; the pulse taking person takes a pulse at the position of the cun-guan ruler of the simulated arm, the pressure feedback module detects a pulse taking pressure signal, and the pulse taking pressure signal is fed back to the acquisition end through the network control module.
Furthermore, the pressure feedback module comprises an inch piezoresistive sensor, a gate piezoresistive sensor and a scale piezoresistive sensor, and the three sensors respectively detect the pressing force of the pulse taking person to three pulses of inch, gate and scale.
Further, the network transmission module comprises a reduction end single chip microcomputer, a reduction end PC, an acquisition end single chip microcomputer, an acquisition end PC, a feedback pressure measuring device interface and an automatic pressurizing device interface; the restoring end single chip microcomputer acquires a pulse pressure signal through the feedback pressure measuring device interface, transmits the pulse pressure signal to the restoring end PC, and transmits the pulse pressure signal to the collecting end PC through the network, the collecting end PC transmits the pulse pressure signal to the collecting end single chip microcomputer, and the collecting end single chip microcomputer controls the automatic pressurizing module to pressurize through the automatic pressurizing device interface.
Furthermore, the hand pillow is in an inclined U shape, when the arm of the testee is placed in the inclined U-shaped hand pillow, the position of the pulse piezoresistive sensor is just aligned with the pulse-closing position, and the purpose of automatic positioning is achieved.
A pulse taking method adopting a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device comprises the following steps:
step 1: the subject puts the arm into the collection end hand pillow; meanwhile, the pulse taking person takes pulses at the simulated arm at the restoring end;
step 2: the pulse taking pressure signal is detected by the restoring end pressure feedback module and fed back to the acquisition end through the network control module;
and step 3: the acquisition end receives pulse taking pressure transmitted by the network control module, and drives the automatic pressurization module to apply pressure to the arm of the testee through the pulse piezoresistive sensor, wherein the pressure is the same as the pulse taking pressure fed back by the reduction end received by the acquisition end;
and 4, step 4: the pulse piezoresistive sensor collects pulse condition information of a testee and transmits the pulse condition information to the reduction end through the network control module;
and 5: the pulse feeling person changes the applied pressure, and the reduction end can sense the change of the remote pulse condition information in real time.
The invention has the beneficial effects that: by the device, a pulse feeling person at the reduction end can actively feel the simulated pulse feeling according to the pressure applied by the pulse feeling person instead of passively receiving the simulated pulse feeling, so that the floating, middle and sinking pulse feeling of the traditional Chinese medicine can be accurately and remotely realized.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
FIG. 2 is a three-view diagram of the mechanical assembly design of the acquisition-side pulse piezoresistive sensor fixing and automatic pressurizing module of the present invention.
Fig. 3 is a block diagram of a network control module of the present invention.
FIG. 4 is a schematic view of the reducing end of the present invention.
FIG. 5(a) shows the pulse condition information of the arm simulated by the device of the present invention, and FIG. 5(b) shows the pulse condition information of the arm simulated by the device of the present invention.
In the figure: 001-collection end, 002-reduction end, 003-automatic pressurization module, 004-network control module, 005-pressure feedback module, 1-stepping motor, 2-motor screw, 3-nut, 4-micro connecting rod, 5-bracket sleeve, 6-bracket arm, 7-bracket base, 8-motor driver, 9-hand pillow, 10-pulse piezoresistive sensor, 111-collection end singlechip, 121-collection end PC, 112-reduction end singlechip, 122-reduction end PC, 14-automatic pressurization device interface, 15-feedback pressure measurement device interface, 16-ruler piezoresistive sensor, 17-relation piezoresistive sensor, 18-inch piezoresistive sensor, 19-simulated blood vessel, 20-simulated arm, 22-power interface circuit, 23-data transmission circuit and 24-piezoresistive sensor integrated shell.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in FIG. 1, the invention provides a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device, which is mainly applied to a pulse condition detection and restoration system; the device is divided into an acquisition end and a reduction end, the reduction end determines pulse taking strength of a pulse taking person and feeds the pulse taking strength back to the acquisition end, the acquisition end uses an automatic pressurization module to automatically pressurize the pulse condition sensor, pulse condition information acquired by the acquisition end is remotely transmitted to the reduction end through a network, and the reduction end utilizes the simulation reduction device to reduce the pulse condition information.
In order to achieve the purpose, the invention adopts the following technical scheme:
a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device comprises an acquisition end 001, a reduction end 002 and a network control module 004;
the reduction end 002 comprises a pressure feedback module 005, the pressure feedback module 005 detects pulse taking pressure of a pulse taking person, and the pulse taking pressure is fed back to the acquisition end 001 through a network control module 004;
the acquisition end 001 comprises an automatic pressurization module 003 and a pulse piezoresistive sensor 10, wherein the automatic pressurization module 003 applies pressure to the arm of the subject through the pulse piezoresistive sensor 10, and the pressure is the same as the pulse taking pressure fed back by the reduction end 002 received by the acquisition end 001; meanwhile, the pulse piezoresistive sensor 10 collects the pulse condition information of the subject and transmits the pulse condition information to the reduction end 002 through the network control module 004.
Further, the automatic pressurizing module 003 comprises a stepping motor 1, a motor screw 2, a nut 3, a micro connecting rod 4, a bracket sleeve 5, a bracket arm 6, a bracket base 7, a motor driver 8 and a hand pillow 9;
the support sleeve 5 is positioned right above the support base 7, and the support arm 6 is arranged on the side surfaces of the support sleeve 5 and the support base 7 to connect the support sleeve 5 and the support base 7 into a whole to play a supporting role;
the stepping motor 1 is positioned right above the support sleeve 5; the upper end of a motor lead screw 2 is connected with a stepping motor 1, and the lower end of the motor lead screw 2 enters a support sleeve 5 and is connected with a nut 3 in the support sleeve 5; when the stepping motor 1 works, the motor lead screw 2 is driven to rotate, and the motor lead screw 2 drives the nut 3 to do linear reciprocating motion along the vertical direction;
the upper part of the miniature connecting rod 4 is sleeved on the outer ring of the nut 3 to limit the nut 3 to do linear motion along the vertical direction but not rotate; meanwhile, the nut 3 drives the micro connecting rod 4 to do linear motion in the vertical direction; the pulse piezoresistive sensor 10 is fixed at the lower end of the micro connecting rod 4, and the micro connecting rod 4 drives the pulse piezoresistive sensor 10 to do linear motion in the vertical direction;
the hand pillow 9 is positioned right below the pulse piezoresistive sensor 10 and fixed on the bracket base 7; when taking pulse, the arm of the subject is placed on the hand pillow 9, the pulse piezoresistive sensor 10 moves downwards to contact with the arm of the subject, and the 'pressing' action is made;
and the motor driver 8 is fixed above the bracket arm 6 and drives the stepping motor 1 to move.
Further, the reduction end 002 further comprises a simulated arm 20 and a simulated blood vessel 19, wherein the simulated blood vessel 19 is located in a cavity of the simulated arm 20; the pressure feedback module 005 is arranged below the simulated blood vessel 19 in the cavity of the simulated arm 20, and is positioned at the position of the simulated arm 20 inches in size; the pulse taking person takes a pulse at the 20-inch guan chi position of the simulated arm, the pressure feedback module 005 detects a pulse taking pressure signal, and the pulse taking pressure signal is fed back to the acquisition end 001 through the network control module 004.
Further, the pressure feedback module 005 includes an inch piezoresistive sensor 18, a close piezoresistive sensor 17 and a size piezoresistive sensor 16, and the three sensors respectively detect the pressing force of the pulse taking person to the inch, close and size.
Further, the network transmission module 004 comprises a reduction end single chip microcomputer 112, a reduction end PC 122, an acquisition end single chip microcomputer 111, an acquisition end PC121, a feedback pressure measurement device interface 15 and an automatic pressurization device interface 14; the recovery end singlechip 112 acquires the pulse pressure signal through the feedback pressure measuring device interface 15, transmits the pulse pressure signal to the recovery end PC 122 and then to the acquisition end PC121 through the network, the acquisition end PC121 transmits the pulse pressure signal to the acquisition end singlechip 111, and the acquisition end singlechip 111 controls the automatic pressurization module 003 to pressurize through the automatic pressurization device interface 14.
Furthermore, the hand pillow 9 is of an oblique U shape, when the arm of the testee is put into the oblique U-shaped hand pillow, the position of the pulse piezoresistive sensor 10 is just aligned with the guan mai position, and the purpose of automatic positioning is achieved.
A pulse taking method adopting a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device comprises the following steps:
step 1: the subject puts the arm into the collection end hand pillow; meanwhile, the pulse taking person takes pulses at the simulated arm at the restoring end;
step 2: the pulse taking pressure signal is detected by the restoring end pressure feedback module and fed back to the acquisition end through the network control module;
and step 3: the acquisition end receives pulse taking pressure transmitted by the network control module, and drives the automatic pressurization module to apply pressure to the arm of the testee through the pulse piezoresistive sensor, wherein the pressure is the same as the pulse taking pressure fed back by the reduction end received by the acquisition end;
and 4, step 4: the pulse piezoresistive sensor collects pulse condition information of a testee and transmits the pulse condition information to the reduction end through the network control module;
and 5: the pulse feeling person changes the applied pressure, and the reduction end can sense the change of the remote pulse condition information in real time.
Example (b):
as shown in fig. 4, firstly, the pulse taking person finds the cun-guan position of the pulse on the simulated arm at the reduction end of the remote pulse condition 'float, middle and sink' feedback device of the traditional Chinese medicine, applies the pulse pressure to the pulse, and after the pressure is stable, the pulse taking pressure of the best pulse in the guan part is used for judging the 'float, middle and sink' of the pulse condition of the subject, namely, the pulse with the pressure between 75 and 175 grams force is normal, the pulse with the pressure less than 75 grams force is superficial, and the pulse with the pressure more than 175 grams force is sink. The single-chip microcomputer of the acquisition end and the reduction end of the network control module adopts STM32F103, and the single-chip microcomputer of the reduction end acquires and processes pressure data through three pressure sensors and then sends feedback data to the acquisition end. The three pressure sensors are respectively fixed by sensor fixing cards, and the pressure sensor fixing device also comprises a power interface circuit and a data sending circuit for working of the sensors. The pressure feedback module is small in size (5cm multiplied by 2.5cm), is packaged by the piezoresistive sensor integrated shell, is sensitive in data acquisition, timely in data sending and capable of well supporting the work of the feedback device.
As shown in fig. 3, the network control module is implemented by connecting the acquisition-side PC and the restoration-side PC for data transmission through a QT programming executable software program.
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 is required to have good grounding, a power line and a signal line are arranged, and then the automatic pressurization module is used for acquiring the pulse condition of the testee. As shown in fig. 2, the subject positioned his arm in the oblique U-hand pillow, since the guan-mai position of the human body was at the radial artery of the arm, therefore, when the arm of the human body is put into the inclined U-shaped hand pillow, the position of the piezoresistive sensor is just aligned with the guan mai position, then the automatic pressurizing device acquires the end single chip to drive the stepping motor to work according to the pressure value of the reduction end obtained by feedback, the motor lead screw rotates along with the work of the stepping motor, the nut linearly moves along the vertical direction along with the rotation of the motor lead screw and horizontally rotates vertical to the lead screw, so that the nut cannot rotate along with the rotation of the motor lead screw, but only do up-and-down reciprocating motion along the vertical direction, the micro connecting rod passes through the support sleeve so as to limit the rotation of the support sleeve, meanwhile, the pulse piezoresistive sensor is fixed below the miniature connecting rod, so that the pulse piezoresistive sensor can perform pressing action along with the work of the stepping motor. And when the pressure reaches the pulse taking pressure value fed back by the reduction end, stopping pressurizing, measuring, and simultaneously, carrying out real-time reduction on the pulse condition under the fixed pressure by the reduction end.
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 'deep' pulse strength of the upper gateway part of the artificial hand at the reduction end are collected, namely the pressure is more than 175 grams force.
As shown in fig. 5(a), the pulse condition signal of the artificial hand is acquired without using the device of the present invention, and the overall pulse condition is unstable and has certain error, which is caused by the interference signal received by the acquisition end during the pressurization process. As shown in FIG. 5(b), the pulse feeling person at the reduction end applies a 'sinking' force to the signal acquired by the device of the present invention, and the same force is applied to the acquisition end by the device, so that the signal is stable, the reduction degree is high, and the original system is improved.
Claims (7)
1. A Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device is characterized by comprising an acquisition end, a reduction end and a network control module;
the reduction end comprises a pressure feedback module, the pressure feedback module detects pulse taking pressure of a pulse taking person and feeds the pulse taking pressure back to the acquisition end through the network control module;
the acquisition end comprises an automatic pressurization module and a pulse piezoresistive sensor, the automatic pressurization module applies pressure to the arm of the testee through the pulse piezoresistive sensor, and the pressure is the same as the pulse taking pressure fed back by the reduction end received by the acquisition end; meanwhile, the pulse piezoresistive sensor collects the pulse condition information of the testee and transmits the pulse condition information to the reduction end through the network control module.
2. The traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device as claimed in claim 1, wherein the automatic pressurizing module comprises a stepping motor, a motor screw, a nut, a micro connecting rod, a bracket sleeve, a bracket arm, a bracket base, a motor driver and a hand pillow;
the support sleeve is positioned right above the support base, and the support arm is arranged on the side surfaces of the support sleeve and the support base and connects the support sleeve and the support base into a whole to play a supporting role;
the stepping motor is positioned right above the support sleeve; the upper end of a motor lead screw is connected with a stepping motor, and the lower end of the motor lead screw enters a support sleeve and is connected with a nut in the support sleeve; when the stepping motor works, the motor lead screw is driven to rotate, and the motor lead screw drives the nut to do linear reciprocating motion along the vertical direction;
the upper part of the miniature connecting rod is sleeved on the outer ring of the nut, so that the nut is limited to do linear motion along the vertical direction and cannot rotate; meanwhile, the nut drives the miniature connecting rod to do linear motion in the vertical direction; the pulse piezoresistive sensor is fixed at the lower end of the miniature connecting rod, and the miniature connecting rod drives the pulse piezoresistive sensor to do linear motion in the vertical direction;
the hand pillow is positioned right below the pulse piezoresistive sensor and fixed on the bracket base; when taking pulse, the arm of the subject is placed on the hand pillow, and the pulse piezoresistive sensor moves downwards to contact with the arm of the subject to make pressing action;
the motor driver is fixed above the support arm and drives the stepping motor to move.
3. The traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device of claim 1, wherein the reduction end further comprises a simulated arm and a simulated blood vessel, the simulated blood vessel is positioned in a cavity of the simulated arm; the pressure feedback module is arranged below the simulated blood vessel in the simulated arm cavity and is positioned at the simulated arm dimension position; the pulse taking person takes a pulse at the position of the cun-guan ruler of the simulated arm, the pressure feedback module detects a pulse taking pressure signal, and the pulse taking pressure signal is fed back to the acquisition end through the network control module.
4. The traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device according to claim 1, wherein the pressure feedback module comprises an inch piezoresistive sensor, a gate piezoresistive sensor and a scale piezoresistive sensor, and the three sensors respectively detect the pressing force of doctor in traditional Chinese medicine on three inches, gates and scales.
5. The traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device of claim 1, wherein the network transmission module comprises a reduction end singlechip, a reduction end PC, an acquisition end singlechip, an acquisition end PC, a feedback pressure measurement device interface and an automatic pressurization device interface; the restoring end single chip microcomputer acquires a pulse pressure signal through the feedback pressure measuring device interface, transmits the pulse pressure signal to the restoring end PC, and transmits the pulse pressure signal to the collecting end PC through the network, the collecting end PC transmits the pulse pressure signal to the collecting end single chip microcomputer, and the collecting end single chip microcomputer controls the automatic pressurizing module to pressurize through the automatic pressurizing device interface.
6. The traditional Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device as claimed in claim 2, wherein the hand pillow is of an inclined U shape, and when the arm of the subject is placed in the inclined U-shaped hand pillow, the position of the pulse piezoresistive sensor is just aligned with the pulse-off position, thereby achieving the purpose of automatic positioning.
7. A pulse taking method adopting a Chinese medicine remote pulse condition 'floating, middle and sinking' feedback device is characterized by comprising the following steps:
step 1: the subject puts the arm into the collection end hand pillow; meanwhile, the pulse taking person takes pulses at the simulated arm at the restoring end;
step 2: the pulse taking pressure signal is detected by the restoring end pressure feedback module and fed back to the acquisition end through the network control module;
and step 3: the acquisition end receives pulse taking pressure transmitted by the network control module, and drives the automatic pressurization module to apply pressure to the arm of the testee through the pulse piezoresistive sensor, wherein the pressure is the same as the pulse taking pressure fed back by the reduction end received by the acquisition end;
and 4, step 4: the pulse piezoresistive sensor collects pulse condition information of a testee and transmits the pulse condition information to the reduction end through the network control module;
and 5: the pulse feeling person changes the applied pressure, and the reduction end can sense the change of the remote pulse condition information in real time.
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