CN117860254A - Hand electric stimulation feedback control system based on array pressure sensor - Google Patents
Hand electric stimulation feedback control system based on array pressure sensor Download PDFInfo
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- CN117860254A CN117860254A CN202410269056.0A CN202410269056A CN117860254A CN 117860254 A CN117860254 A CN 117860254A CN 202410269056 A CN202410269056 A CN 202410269056A CN 117860254 A CN117860254 A CN 117860254A
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- 230000000638 stimulation Effects 0.000 title claims abstract description 28
- 210000003205 muscle Anatomy 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 3
- 210000002478 hand joint Anatomy 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004118 muscle contraction Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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Abstract
The invention relates to the technical field of medical rehabilitation and discloses a hand electrostimulation feedback control system based on an array type pressure sensor, which comprises a glove body worn on a hand to be tested, a flexible patch arranged on the grip side of the glove body and adapted to the shape of the palm to be tested, and an array type flexible pressure sensor embedded in the flexible patch. Therefore, the method can help operators to evaluate the recovery condition of the joints of the tested hand more accurately, and can also enable the operators to make parameter adjustment on the electric stimulation in time so that the tested hand can recover more efficiently and safely.
Description
Technical Field
The invention relates to the technical field of medical rehabilitation, in particular to a hand electric stimulation feedback control system based on an array type pressure sensor.
Background
The functional electric stimulation is an electric stimulation therapy which uses a low-frequency pulse current with a certain intensity to stimulate the innervating nerve of target muscles through a preset program to induce muscle contraction so as to replace or correct the organs and limbs to lose functions. The portable hand function rehabilitation system based on the electrode array disclosed in the patent publication No. CN111408038A is widely applied to the field of electric stimulation and can provide rehabilitation treatment for patients with hand movement dysfunction. The system comprises upper computer control software, a controller, a multichannel stimulator, an electrode array and a hand joint motion information capturing module, wherein the upper computer control software comprises a man-machine interaction interface and a related algorithm. The controller is used for running a control algorithm, receiving the hand joint related motion information measured by the sensor and sending a control instruction, and the multichannel stimulator can realize a 24-channel independent stimulation function. The hand joint movement information capturing module is used for completing measurement of hand joint movement related information, capturing a hand movement model and displaying the hand movement model on the upper computer.
The portable hand function rehabilitation system based on the electrode array adopts the electrode array, has 24-channel output, and adopts a depth camera to collect finger joint angles as feedback values of electrical stimulation. However, depth cameras are difficult to detect for small angular changes and are also affected by other factors such as light during acquisition. Furthermore, since the fingers to be tested are stretched or bent by the same angle, the pressure born by the fingers is different, and the hand grasping tightness is judged by detecting the bending angle of the fingers, a large error is easy to generate, and therefore, the improvement is still needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the hand electric stimulation feedback control system based on the array type pressure sensor, and the grasping tightness of the tested hand can be monitored more intuitively through the array type flexible pressure sensor arranged in the flexible patch, so that the accuracy of electric stimulation feedback data is improved.
In order to solve the technical problems, the invention is solved by the following technical scheme:
the utility model provides a hand electricity stimulated feedback control system based on array pressure sensor, includes wears in the gloves body of being tested hand, sets up in the gloves body grasp side and be suitable for the flexible paster of being tested palm shape, and embedded in the array flexible pressure sensor of flexible paster, and the pressure monitoring point of array flexible pressure sensor distributes in each stress point when being tested hand grasp in order to obtain the pressure value of each stress point and send corresponding pressure signal, is coupled with on the flexible pressure sensor of array and is used for receiving pressure signal in order to output pressure display signal's host computer, is coupled with the display module that responds pressure display signal in order to show each stress point pressure value when being tested hand grasp on the host computer.
By adopting the scheme, the tightness of the hand to be tested during gripping can be monitored more intuitively through the array type flexible pressure sensor arranged in the flexible patch, and the measured pressure data are displayed through the display module, so that operators can know the current test condition of the tested more accurately. Therefore, the method can help operators to evaluate the recovery condition of the joints of the tested hand more accurately, and can also enable the operators to make parameter adjustment on the electric stimulation in time so that the tested hand can recover more efficiently and safely.
Preferably, the upper computer is further coupled with a starting module, a stopping module and an array type electric stimulator, the array type electric stimulator is arranged on the surface of the tested muscle, and when the starting module responds to external triggering, the upper computer controls the operation of the array type electric stimulator so as to electrically stimulate the tested specific muscle group, thereby controlling the tested hand to complete the gripping action; when the stopping module responds to external trigger, the upper computer controls the array type electric stimulator to stop running so as to stop electric stimulation on the tested.
By adopting the scheme, the starting module and the stopping module are triggered, so that the upper computer can rapidly and accurately control the starting and stopping of the array type electric stimulator, and the operation efficiency and convenience of electric stimulation are improved.
Preferably, the upper computer is further coupled with an adjusting module for outputting an adjusting signal in response to an external trigger, and the upper computer can change the output power of the array type electric stimulator in response to the adjusting signal so as to adjust the electric stimulation intensity of the array type electric stimulator.
By adopting the scheme, the electric stimulation intensity of the array type electric stimulator can be effectively regulated by triggering the regulating module. The device can avoid the injury of the tested person, and can pertinently apply matched electric stimulation intensity according to the requirement of the tested person, so that the tested person can recover more efficiently.
Preferably, the flexible patch is mounted to the glove body by a velcro assembly, the shape of the velcro assembly being adapted to the shape of the palm being tested.
By adopting the scheme, the magic tape assembly is simple in structure, convenient to operate and low in cost, not only can the disassembly and assembly efficiency and convenience of the flexible patch be improved, but also the stability of the flexible patch after being combined with the glove body can be guaranteed, so that the array type flexible pressure sensor can monitor the grasping tightness of the tested hand more accurately.
Preferably, the flexible patch comprises a hand part and five finger parts integrally connected with the hand part, wherein a positioning block is arranged at one side of the end part of each finger part, which is close to the glove body, and positioning grooves for the one-to-one corresponding insertion of the five fingertip ends of the glove body are formed in one side of the positioning block, which is close to the hand part.
By adopting the scheme, when the flexible patch is installed on the glove body through the magic tape assembly, the five finger tips of the glove body worn on the tested hand are respectively inserted into the positioning grooves of the five positioning blocks, so that the quick positioning between the flexible patch and the glove body can be completed. At this time, the flexible patch can be quickly attached to the palm side of the glove body through the magic tape assembly, so that the mounting precision and convenience of the flexible patch are improved.
Preferably, the five fingertip ends of the glove body are all provided with magnetic pieces, and the bottom of the positioning groove is provided with a magnetic attraction piece for the magnetic attraction of the magnetic pieces.
By adopting the scheme, when the finger tip wearing the glove body enters the positioning groove of the corresponding positioning block, the magnetic piece at the finger tip of the glove body can magnetically attract the magnetic piece in the positioning groove, so that the finger tip of the glove body cannot be separated from the corresponding positioning groove, and the convenience of positioning the flexible patch and the glove body is further improved.
Preferably, one side of each positioning block far away from the hand part is provided with a Hall sensor coupled with an upper computer, and the upper computer can control the starting of the array type electric stimulator after the starting module responds to external triggering if and only if the five fingertip ends of the glove body are all inserted into the positioning grooves of the corresponding positioning blocks so that the Hall sensor on each positioning block can detect that the magnetic piece is close; otherwise, the array type electric stimulator cannot be started.
By adopting the scheme, the array type electric stimulator can operate through triggering the starting module only after the flexible patch is combined with the glove body. Otherwise, the array type electric stimulator cannot operate, and invalid operation is avoided. Therefore, the safety of equipment can be improved, and electric energy can be saved.
Preferably, the side of the flexible patch remote from the glove body is provided with a grip.
By adopting the scheme, the holding piece can facilitate an operator to detach the flexible patch, so that the operation efficiency and convenience are further improved.
The invention has the remarkable technical effects due to the adoption of the technical scheme: through the built-in array flexible pressure sensor of flexible paster, elasticity when can monitor the hand grasp of being tested more directly perceivedly to show the pressure data that will measure through display module, so that operating personnel can learn the current test condition of being tested more accurately. Therefore, the method can help operators to evaluate the recovery condition of the joints of the tested hand more accurately, and can also enable the operators to make parameter adjustment on the electric stimulation in time so that the tested hand can recover more efficiently and safely.
Drawings
Fig. 1 is a schematic diagram of the first embodiment;
fig. 2 is a second schematic structural diagram of the present embodiment;
fig. 3 is a schematic structural view of the flexible patch in the present embodiment;
FIG. 4 is a system architecture diagram of the present embodiment;
FIG. 5 is an exploded view of the present embodiment;
FIG. 6 is a schematic view of the glove body according to the present embodiment;
fig. 7 is an enlarged schematic view of the portion a shown in fig. 5.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a glove body; 2. a flexible patch; 3. an array-type flexible pressure sensor; 4. a pressure monitoring point; 5. an upper computer; 6. a display module; 7. starting a module; 8. stopping the module; 9. an array type electric stimulator; 10. an adjustment module; 11. a magic tape assembly; 12. a hand part; 13. a finger section; 14. a positioning block; 15. a positioning groove; 16. a finger tip; 17. a magnetic member; 18. a magnetic attraction piece; 19. a hall sensor; 20. a grip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 4, the hand electrical stimulation feedback control system based on the array type pressure sensor disclosed in this embodiment includes a glove body 1 worn on a hand to be tested, a flexible patch 2 disposed on a grip side of the glove body 1 and adapted to a shape of a palm to be tested, and an array type flexible pressure sensor 3 embedded in the flexible patch 2, wherein a plurality of pressure monitoring points 4 of the array type flexible pressure sensor 3 are distributed at each stress point when the hand to be tested is gripped to obtain a pressure value of each stress point and send a corresponding pressure signal, an upper computer 5 for receiving the pressure signal to output a pressure display signal is coupled to the array type flexible pressure sensor 3, and a display module 6 for responding to the pressure display signal to display a pressure value of each stress point when the hand to be tested is gripped is coupled to the upper computer 5, and the display module 6 is preferably a liquid crystal screen or a touch screen.
As shown in fig. 4, in order to realize the start-stop of the electrical stimulation function of the device, the upper computer 5 is further coupled with a start module 7, a stop module 8 and an array type electrical stimulator 9, and the start module 7 and the stop module 8 are preferably push switches. The array type electric stimulator 9 is arranged on the surface of the tested muscle, and when the starting module 7 responds to external trigger, the upper computer 5 controls the operation of the array type electric stimulator 9 so as to electrically stimulate the tested specific muscle group, thereby controlling the tested hand to complete the gripping action. Correspondingly, when the stopping module 8 responds to the external trigger, the upper computer 5 controls the array type electric stimulator 9 to stop running so as to stop electric stimulation on the tested.
As shown in fig. 4, in order to implement the function of adjusting the electrical stimulation intensity of the device, the upper computer 5 is further coupled with an adjusting module 10 for outputting an adjusting signal in response to an external trigger, and the adjusting module 10 is preferably a knob switch. The upper computer 5 can change the output power of the array type electric stimulator 9 in response to the adjusting signal to adjust the electric stimulation intensity of the array type electric stimulator 9.
As shown in fig. 5, in order to realize the quick assembly disassembly of the flexible patch 2 and ensure the stability of the flexible patch 2 after being combined with the glove body 1, the flexible patch 2 is mounted on the glove body 1 through the magic tape assembly 11, and the shape of the magic tape assembly 11 is adapted to the shape of the palm to be tested.
As shown in fig. 5, 6 and 7, in order to improve the installation accuracy and convenience of the flexible patch 2, the flexible patch 2 includes a palm portion 12 and five finger portions 13 integrally connected to the palm portion 12, a positioning block 14 is disposed at one side of each finger portion 13 near the glove body 1, and a positioning slot 15 for inserting five fingertip ends 16 of the glove body 1 in a one-to-one correspondence manner is disposed at one side of the positioning block 14 near the palm portion 12. The five finger tips 16 of the glove body 1 are each provided with a magnetic element 17, the magnetic element 18 preferably being a permanent magnet. The bottom of the positioning groove 15 is provided with a magnetic attraction piece 18 for the magnetic attraction of the magnetic piece 17, and the magnetic attraction piece 18 is preferably an iron sheet arranged at the bottom of the positioning groove 15. The magnetic attraction matching between the magnetic piece 17 and the magnetic attraction piece 18 can prevent the finger tip 16 entering the positioning groove 15 from separating from the corresponding positioning block 14, thereby further improving the convenience of positioning the flexible patch 2.
As shown in fig. 4 and 5, in order to ensure the safety of the device and save electric energy, a hall sensor 19 coupled to the upper computer 5 is disposed on one side of each positioning block 14 far from the hand core 12, and if and only if all the five fingertip ends 16 of the glove body 1 are inserted into the positioning slots 15 of the corresponding positioning block 14, the hall sensor 19 on each positioning block 14 can detect that the magnetic piece 17 is close, the upper computer 5 can control the array type electric stimulator 9 to start after the starting module 7 responds to external triggering. In contrast, the array type electrostimulator 9 cannot be activated.
As shown in fig. 5, in order to enhance the convenience of detachment of the flexible patch 2, a side of the flexible patch 2 away from the glove body 1 is provided with a grip 20.
The specific use process is as follows:
when the device is used, the glove body 1 is worn on the hand to be tested, and one side of the glove body 1 with the magic tape faces towards the palm of the tested person. At this time, the five fingertip ends 16 of the glove body 1 are respectively inserted into the positioning grooves 15 corresponding to the five positioning blocks 14 on the flexible patch 2, so that the magnetic pieces 17 on the fingertip ends 16 magnetically attract the magnetic attraction pieces 18 in the corresponding positioning grooves 15, thereby completing the pre-positioning of the flexible patch 2 and the glove body 1. At the same time, the hall sensor 19 outside the positioning block 14 can detect that the magnetic piece 17 on the fingertip 16 is close. In this state, the flexible patch 2 is precisely covered on the palm center of the glove body 1 and is fixed through the magic tape assembly 11, so that the connection between the flexible patch 2 and the glove body 1 is completed.
After the flexible patch 2 is connected, the array flexible pressure sensor 3 built in the flexible patch 2 can be attached to the palm of the subject. At this time, the array type electrostimulator 9 is mounted on the surface of the muscle to be tested, which requires electrostimulation. Then, the starting module 7 is triggered to enable the upper computer 5 to control the operation of the array type electric stimulator 9 so as to electrically stimulate the tested body. Under the action of electric stimulation, the hand on which the glove body 1 is worn is gripped. To test the grip, a grip needs to be placed on the hand. When the hand to be tested is gripped, the palm centre can generate pressure with the gripping member, and the pressure is monitored by the array type flexible pressure sensor 3 built in the flexible patch 2 and displayed through the display module 6. The operator can know the tested test intensity by means of the pressure parameter displayed by the display module 6, and the stimulation intensity of the array type electric stimulator 9 is regulated by triggering the regulating module 10, so that the tested rehabilitation is more efficient and safer.
If the finger wearing the glove body 1 is inserted into the positioning groove 15 corresponding to the positioning block 14, the hall sensor 19 at the outer side of the positioning block 14 cannot detect the approach of the magnetic piece 17. At this time, even if the starting module 7 is triggered, the upper computer 5 cannot control the operation of the array type electric stimulator 9, so that the safety of the equipment is ensured and the electric energy is saved.
If the electric stimulation operation is stopped, the stopping module 8 is triggered, and the upper computer 5 can control the array type electric stimulator 9 to stop running.
When the flexible patch 2 is detached, the flexible patch 2 is torn off from the palm center of the glove body 1 through the holding piece 20. The flexible patch 2 is convenient to store and replace, and is more humanized.
The above control process can be implemented by means of a control program built in the upper computer 5, which is common knowledge in the art, and will not be described herein.
Claims (8)
1. A hand electrostimulation feedback control system based on an array type pressure sensor is characterized in that: the glove comprises a glove body (1) worn on the hand to be tested, a flexible patch (2) arranged on the grip side of the glove body (1) and adapted to the shape of the hand to be tested, and an array type flexible pressure sensor (3) embedded in the flexible patch (2), wherein a plurality of pressure monitoring points (4) of the array type flexible pressure sensor (3) are distributed at all stress points when the hand to be tested is gripped so as to acquire pressure values of all stress points and send corresponding pressure signals, an upper computer (5) for receiving the pressure signals to output pressure display signals is coupled to the array type flexible pressure sensor (3), and a display module (6) for responding to the pressure display signals to display pressure values of all stress points when the hand to be tested is gripped is coupled to the upper computer (5).
2. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 1 wherein: the upper computer (5) is further coupled with a starting module (7), a stopping module (8) and an array type electric stimulator (9), the array type electric stimulator (9) is arranged on the surface of the tested muscle, and when the starting module (7) responds to external triggering, the upper computer (5) controls the operation of the array type electric stimulator (9) so as to electrically stimulate the tested specific muscle group, thereby controlling the tested hand to complete the gripping action; when the stopping module (8) responds to external trigger, the upper computer (5) controls the array type electric stimulator (9) to stop running so as to stop electric stimulation on a tested object.
3. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 2 wherein: the upper computer (5) is also coupled with an adjusting module (10) responding to external trigger to output an adjusting signal, and the upper computer (5) can respond to the adjusting signal to change the output power of the array type electric stimulator (9) so as to adjust the electric stimulation intensity of the array type electric stimulator (9).
4. A hand electrostimulation feedback control system based on an array pressure sensor as claimed in claim 2 or 3 characterized in that: the flexible patch (2) is arranged on the glove body (1) through the magic tape component (11), and the shape of the magic tape component (11) is adapted to the shape of the palm to be tested.
5. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 4 wherein: the flexible patch (2) comprises a hand part (12) and five finger parts (13) integrally connected to the hand part (12), wherein a positioning block (14) is arranged at one side of the end part of each finger part (13) close to the glove body (1), and positioning grooves (15) for the one-to-one corresponding insertion of the five fingertip ends (16) of the glove body (1) are formed in one side of the positioning block (14) close to the hand part (12).
6. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 5 wherein: five fingertip ends (16) of the glove body (1) are provided with magnetic pieces (17), and the bottom of the positioning groove (15) is provided with a magnetic attraction piece (18) for magnetic attraction of the magnetic pieces (17).
7. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 6 wherein: one side of each positioning block (14) far away from the hand part (12) is provided with a Hall sensor (19) coupled with the upper computer (5), and the upper computer (5) can control the array type electric stimulator (9) to start after the starting module (7) responds to external triggering if and only if the five fingertip ends (16) of the glove body (1) are all inserted into the positioning grooves (15) of the corresponding positioning blocks (14) so that the Hall sensor (19) on each positioning block (14) can detect the approach of the magnetic piece (17); on the contrary, the array type electric stimulator (9) cannot be started.
8. The hand electrostimulation feedback control system based on the array pressure sensor as claimed in claim 4 wherein: the side surface of the flexible patch (2) far away from the glove body (1) is provided with a holding piece (20).
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| CN202410269056.0A CN117860254B (en) | 2024-03-11 | 2024-03-11 | Hand electric stimulation feedback control system based on array pressure sensor |
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| CN202410269056.0A CN117860254B (en) | 2024-03-11 | 2024-03-11 | Hand electric stimulation feedback control system based on array pressure sensor |
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| CN219845180U (en) * | 2023-05-26 | 2023-10-20 | 天津红晨岛服饰有限公司 | Labor protection glove |
| CN116954366A (en) * | 2023-06-27 | 2023-10-27 | 东南大学 | Touch perception glove based on sensor array |
| CN117064693A (en) * | 2023-08-14 | 2023-11-17 | 纽克智造(南京)科技有限公司 | Glove based on high-density electrode and pressure feedback and hand function training system and method |
| CN220476975U (en) * | 2024-01-05 | 2024-02-13 | 深圳市健力达纺织品有限公司 | Magnetic glove |
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| CN117860254B (en) | 2024-05-14 |
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