CN214596823U - Electrical stimulation system based on plantar pressure feedback - Google Patents
Electrical stimulation system based on plantar pressure feedback Download PDFInfo
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- CN214596823U CN214596823U CN202023082708.6U CN202023082708U CN214596823U CN 214596823 U CN214596823 U CN 214596823U CN 202023082708 U CN202023082708 U CN 202023082708U CN 214596823 U CN214596823 U CN 214596823U
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Abstract
The application provides an electrostimulation system based on plantar pressure feedback, the system includes: the foot pressure detection module is pasted to at least one position on the insole so as to correspondingly detect the pressure data of at least one sole area during walking; the electric stimulator is adhered to one or more muscle groups of the leg part through the conductive gel so as to output electric pulses to at least one muscle group; and the data processing unit is used for sensing the distribution condition of the pressure of the soles according to the received pressure data corresponding to different sole areas, and sending a stimulation instruction to the electric stimulator attached to the muscle group so as to perform corresponding electric stimulation. The system has simple structure and strong pertinence, and can ensure that a patient can effectively complete rehabilitation training without assistance of a person at home; according to the distribution condition of the sole pressure when a patient walks, the muscle contraction amplitude of the lower limb can be judged to be insufficient, functional electrical stimulation is carried out on the muscles, the muscle contraction strength and amplitude are increased, the joint movement amplitude is improved, and joint movement is effectively realized.
Description
Technical Field
The application relates to the technical field of auxiliary medical instruments, in particular to an electrical stimulation system based on plantar pressure feedback.
Background
There have been proposed electric stimulation rehabilitation systems based on plantar pressure for the rehabilitation of hemiplegic patients on walking or the treatment of damaged muscles or muscle groups.
The electrical stimulation is firstly applied to rehabilitation therapy, and can delay muscular atrophy, diminish inflammation, promote the rehabilitation speed of the body of a hemiplegic patient due to muscle disuse from initial passive stimulation to various muscle stimulation and nerve stimulation with various names. Various stimulation means are generally called functional electrical stimulation in order to replace or correct the lost functions of limbs and organs and also in theory in the form of electrical stimulation for reconstructing the functions of the nervous system; functional Electrical Stimulation (FES) belongs to the category of neuromuscular electrical stimulation, and is characterized by utilizing a low-frequency pulse current with a certain intensity to stimulate one group or multiple groups of muscles through a preset program so as to induce muscle movement or simulate normal autonomous movement, thereby achieving the purpose of improving or recovering the functions of the stimulated muscles or muscle groups.
In the existing technologies of electrical stimulation and plantar pressure, the main innovation points of the electrical stimulator are that the electrical stimulator is portable and easy to fix in structure, and the related technology of plantar pressure detection mainly has the function of detection and alarm in an application layer. But lack the subdivision of the plantar region to enable precise electrical stimulation schemes to be provided to the corresponding muscle groups.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present application is to provide an electrical stimulation system based on plantar pressure feedback, which is used for solving at least one problem in the prior art.
To achieve the above and other related objects, the present application provides an electrical stimulation system based on plantar pressure feedback, the system comprising: one or more foot pressure detection modules which are adhered to at least one position on the insole so as to correspondingly detect the pressure data of at least one sole area during walking; one or more electrical stimulators adhered to the one or more muscle groups of the leg through the conductive gel for outputting electrical pulses to the at least one muscle group for electrical stimulation; the data processing unit is used for sensing the distribution condition of the pressure of the soles according to the received pressure data corresponding to different sole areas, and sending a stimulation instruction to the electric stimulators attached to one or more muscle groups so as to perform corresponding electric stimulation; wherein, different pressure distribution conditions and one or more muscle groups preset corresponding stimulation relations.
In an embodiment of the present application, the stimulation relationship is obtained in advance according to medical rehabilitation knowledge and experience.
In one embodiment of the present application, the stimulation instructions include: any one or more of current intensity parameters, stimulation frequency, stimulation time, and stimulation area.
In one embodiment of the present application, the sole region includes: any one or more of the first metatarsal, the second metatarsal, the fifth metatarsal, the lateral heel, and the medial heel.
In an embodiment of the present application, the distribution of plantar pressure includes: the pressure value corresponding to each sole area in a walking period and the pressure value are periodically changed; and/or the time of the high pressure value which is larger than the average pressure value and the time of the low pressure value which is lower than the average pressure value corresponding to each plantar region in a walking cycle.
In one embodiment of the present application, the muscle group is a muscle group innervated during walking; the muscle group includes: one or more of tibialis anterior, peroneal long short muscle, and gastrocnemius.
In an embodiment of the present application, the foot pressure detecting module includes a communication unit for communicating and transmitting the collected pressure data to the data processing unit.
In an embodiment of the present application, the communication unit employs a wireless communication method, and includes: any one or a plurality of combinations of 2G, 3G, 4G, 5G, Bluetooth, infrared, NB-IoT, Rola, Zigbee, MavLink, WIFI, NFC, GPRS, GSM and Ethernet.
In an embodiment of the present invention, the communication method between the data processing unit and each of the electrical stimulators includes: any one or more of USB1.0/2.0/3.x, MicroUSB, MiniUSB, serial interface, and parallel interface.
In an embodiment of the present application, the system further includes: and the power supply unit is used for respectively supplying power to the data processing unit, each electrical stimulator and each foot pressure detection module.
To sum up, the application provides an electro photoluminescence system based on plantar pressure feedback, has reached following beneficial effect:
the system has simple structure and strong pertinence, can ensure that a patient can effectively finish rehabilitation training without assistance of a user at home, reduces the diagnosis and treatment burden of a rehabilitation doctor and saves the hospitalizing cost; according to the distribution condition of the sole pressure when a patient walks, the muscle contraction amplitude of the lower limb can be judged to be insufficient, functional electrical stimulation is carried out on the muscles, the muscle contraction strength and amplitude are increased, the joint movement amplitude is improved, and joint movement is effectively realized.
Drawings
Fig. 1 is a schematic structural diagram of an electrical stimulation system based on plantar pressure feedback according to an embodiment of the present application.
Fig. 2 is a schematic view of the sole region according to an embodiment of the present invention.
Fig. 3 is a schematic view of a scenario of an electrical stimulation system based on plantar pressure feedback according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings so that those skilled in the art to which the present application pertains can easily carry out the present application. The present application may be embodied in many different forms and is not limited to the embodiments described herein.
In order to clearly explain the present application, components that are not related to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.
Throughout the specification, when a component is referred to as being "connected" to another component, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element interposed therebetween. In addition, when a component is referred to as "including" a certain constituent element, unless otherwise stated, it means that the component may include other constituent elements, without excluding other constituent elements.
When an element is referred to as being "on" another element, it can be directly on the other element, or intervening elements may also be present. When a component is referred to as being "directly on" another component, there are no intervening components present.
The application the electric stimulation system based on plantar pressure feedback, mainly according to the pressure feedback of different regions of the sole, activate different position electro stimulator or change electro stimulator mode, the nerve of costimulation arouses the muscle contraction of corresponding domination, or direct stimulation muscle arouses its shrink, with solve paralysis or motion damage patient because the nerve domination muscle effect is not good at the walking in-process, or the joint activity range that the circumstances such as muscle contraction function is not good enough scheduling problem that leads to, thereby realize the effective activity of joints such as ankle, knee joint, reach paralysis, the motion damage patient is recovered, the training purpose.
It is common knowledge in the art that the electrical stimulator can improve or restore the function of the muscle or muscle group to be stimulated. It is obvious to those skilled in the art that the electrostimulator used in the application scenario of the plantar pressure feedback based electrostimulation system described in the present application is capable of achieving the desired effect of the claimed medical rehabilitation.
Fig. 1 is a schematic structural diagram of an electrical stimulation system based on plantar pressure feedback according to an embodiment of the present invention. As shown, the system comprises: one or more foot pressure detection modules 1, one or more electrical stimulators 2, and a data processing unit 3.
One or more foot pressure detection modules 1 are adhered to at least one position on the insole so as to correspondingly detect pressure data of at least one sole area during walking.
For example, the foot pressure detecting module 1 adopts a piezoelectric sensor, which is a sensor based on piezoelectric effect, and the sensing element of the sensor is made of piezoelectric material. The piezoelectric material generates electric charge on the surface after being stressed, the electric charge is amplified by a charge amplifier and a measuring circuit and is output in direct proportion to the electric quantity of the external force after being transformed into impedance, namely, a pressure signal can be converted into an available output electric signal according to a certain rule, and then pressure data is acquired through an acquisition card. Piezoelectric transducers are used to measure forces and non-electrical physical quantities that can be converted into electricity. Its advantages are wide frequency band, high sensitivity, high S/N ratio, simple structure, high reliability and light weight.
In this embodiment, as shown in fig. 2, the sole region includes but is not limited to: a first metatarsal phalange 11 (or phalange), a second metatarsal 12 (or phalange), a fifth metatarsal 13, a lateral heel 14, and a medial heel 15.
It should be noted that, in the walking process of a patient suffering from paralysis or athletic injury, the joint movement amplitude is insufficient due to the conditions of poor effect of innervation muscles or poor muscle contraction function, so that the touching posture and force of each region of the sole of the foot are different from those of a normal person, and when the foot is touched, the pressure released when part of the region of the sole of the foot touches the ground is obviously different from that released by the normal person.
And it is emphasized that the present application is characterized in that: in the prior art, pressure detection is not performed on different regions of the sole of a foot in most cases, corresponding electrical stimulation is implemented by focusing on pressure change, and problem muscle groups are not found by analyzing the pressure of different regions, so that an accurate and effective electrical stimulation treatment scheme is implemented.
Based on the principle, by analyzing the pressure conditions of different monitoring points in the rehabilitation walking process, namely acquiring the pressure values corresponding to a plurality of regions of the sole, a weak force point and a strong force point of a user in the walking process can be accurately found, such as judging whether the foot is upwarp (back stretch) or is weak to hook (plantarflexion), inversion or eversion, and the like, and the change of the force can be monitored at the same time, so that the muscle group with problems can be accurately matched, and further according to the conditions, the electric stimulator 2 attached to different parts is started, the stimulation intensity is increased or weakened, the electric stimulation is closed, or the working parameters or modes of the electric stimulator 2 are adjusted in real time, and the purpose of improving or recovering the functions of the stimulated muscle or muscle group is achieved.
One or more electrical stimulators 2 attached to one or more muscle groups of the leg through the conductive gel for outputting electrical pulses to at least one muscle group for electrical stimulation.
It is common knowledge in the art that the electrical stimulator 2 can improve or restore the function of the muscle or muscle group being stimulated.
1) The electrical stimulation is firstly applied to rehabilitation therapy, and can delay muscular atrophy, diminish inflammation, promote the rehabilitation speed of the body of a hemiplegic patient due to muscle disuse from initial passive stimulation to various muscle stimulation and nerve stimulation with various names. Various stimulation means are generally called functional electrical stimulation in order to replace or correct the lost functions of limbs and organs and also in theory in the form of electrical stimulation for reconstructing the functions of the nervous system;
2) functional Electrical Stimulation (FES) belongs to the category of neuromuscular electrical stimulation, and is characterized in that a group or groups of muscles are stimulated by utilizing low-frequency pulse current with certain intensity through a preset program to induce muscle movement or simulate normal autonomous movement so as to achieve the purpose of improving or recovering the functions of the stimulated muscles or muscle groups;
3) in general, when a surface electrode is used for Functional Electrical Stimulation (FES), the current intensity is 0mA to 100 mA. When the intramuscular electrode is used, the current intensity is between 0mA and 20 mA;
4) the most prominent example of functional electrical stimulation is cardiac pacemakers. Functional stimulation includes therapeutic applications and applications to restore motor function. Therapeutic applications may further ameliorate or prevent further development of the disabled state, and in general, such applications are of shorter duration; motor function recovery includes enhancing control of the upper limbs and motor ability of the lower limbs. When the nerve injury is stabilized, the functional recovery method is started and maintained, so that the user can be benefited for life.
In this embodiment, the muscle group is a muscle group innervated during walking. Fig. 3 is a schematic structural diagram of an electrical stimulation system based on plantar pressure feedback according to an embodiment of the present application. The positions of the muscle groups corresponding to the placement of the electrical stimulator 2 can be as shown in the figure, and include: tibialis anterior 21, peroneal long short muscle 22, and gastrocnemius 23.
The data processing unit 3 is configured to sense a pressure distribution of the sole according to the received pressure data corresponding to different sole regions, and accordingly send a stimulation instruction to the electrical stimulator 2 attached to one or more muscle groups to perform corresponding electrical stimulation.
Wherein, different pressure distribution conditions and one or more muscle groups preset corresponding stimulation relations. Specifically, the plantar pressure distribution includes: the pressure value corresponding to each sole area in a walking period and the pressure value are periodically changed; and/or the time of the high pressure value which is larger than the average pressure value and the time of the low pressure value which is lower than the average pressure value corresponding to each plantar region in a walking cycle. Preferably, the present application is directed not only to instantaneous pressure data, but also to situations where the pressure data changes.
It should be noted that, to the recovered of sports injury, the patient of nerve function injury, muscle function is influenced, and plantar pressure distributes unevenly, this application can be according to the distribution condition of plantar pressure when the patient walks, can judge which muscle contraction amplitude of low limbs is not enough, carries out functional electrical stimulation to these muscles, increases this muscle contraction intensity and range, improves joint activity range, and the muscle through the stimulation is improved, can approach to walking under the physiological state, effectively realizes joint motion, does benefit to and improves the rehabilitation training effect.
In this embodiment, the stimulation relationship is obtained in advance according to medical rehabilitation knowledge and experience, for example:
first embodiment
If the foot pressure detection module 1 monitors that the high pressure at the outer side 14 of the heel and the fifth metatarsal 13 lasts for a long time when walking, the foot valgus function can be determined to be poor according to the corresponding stimulation relationship, and at the moment, the electric stimulator 2 can be started or the strength of stimulating the fibula long and short muscle 22 can be increased, the contraction strength of the muscle group at the position can be enhanced, and the foot valgus force can be increased.
Second embodiment
If the foot pressure detection module 1 monitors that the pressure at the first metatarsal 11, the second metatarsal 12 and the fifth phalange 13 is high, the duration time of high pressure is long in a gait cycle, the pressure at the heel outer side 14 and the heel inner side 15 is low, and the time of low pressure is long in a walking cycle when walking, the forefoot pressure is high, the plantar flexion force is strong relative to the instep extension force, and the electric stimulator 2 can be started or the strengths of stimulating the tibialis anterior muscle 21 and the fibula long and short muscle 22 can be increased at the moment according to the corresponding stimulation relationship, so that the instep extension function can be improved.
Third embodiment
If the foot pressure detection module 1 monitors that the pressure at the first metatarsal 11, the second metatarsal 12 and the fifth phalange 13 is low, the duration of low pressure is long in a gait cycle, the pressure at the heel outer side 14 and the heel inner side 15 is high, and the high pressure time is long in a walking cycle when walking, the pressure of the hind foot is large, the foot dorsum stretching force is strong relative to the foot plantar flexion force, and at the moment, the electric stimulator 2 can be started or the strength of stimulating calf posterior muscle groups such as the gastrocnemius 23 and the like can be increased, so that the foot plantar flexion function is improved.
In this embodiment, the stimulation instructions include: any one or more of current intensity parameters, stimulation frequency, stimulation time, and stimulation area.
For example, the electric pulses output by the electric stimulator 2 are set to a plurality of intensity steps to increase or decrease the stimulation intensity; it is also possible to set the electrical pulse output frequency, set the overall output time, and control the coordinated stimulation of one or more electrical stimulators 2.
Preferably, the data processing unit 3 according to the present application can also automatically send stimulation instructions or adjust the sent stimulation instructions according to the historical pressure data.
In this embodiment, the foot pressure detecting module 1 includes a communication unit for communicating and transmitting the pressure data collected by the data collecting card to the data processing unit 3. The communication unit is in a wireless communication mode and comprises: any one or a plurality of combinations of 2G, 3G, 4G, 5G, Bluetooth, infrared, NB-IoT, Rola, Zigbee, MavLink, WIFI, NFC, GPRS, GSM and Ethernet.
In this embodiment, the communication method between the data processing unit 3 and each of the electrical stimulators 2 includes, but is not limited to: any one or more of USB1.0/2.0/3.x, MicroUSB, MiniUSB, serial interface, and parallel interface.
In this embodiment, the system further includes: and the power supply unit is used for supplying power to the data processing unit 3, each electric stimulator 2 and each foot pressure detection module 1 respectively.
In summary, the application provides an electrical stimulation system based on plantar pressure feedback. The system comprises: one or more foot pressure detection modules which are adhered to at least one position on the insole so as to correspondingly detect the pressure data of at least one sole area during walking; one or more electrical stimulators adhered to the one or more muscle groups of the leg through the conductive gel for outputting electrical pulses to the at least one muscle group for electrical stimulation; the data processing unit is used for sensing the distribution condition of the pressure of the soles according to the received pressure data corresponding to different sole areas, and sending a stimulation instruction to the electric stimulators attached to one or more muscle groups so as to perform corresponding electric stimulation; wherein, different pressure distribution conditions and one or more muscle groups preset corresponding stimulation relations.
The utility model provides a paralysed or sports injury rehabilitation patient is planned to solve, and the nerve innervation muscle effect is not good among the walking process, and the not enough scheduling problem of joint activity range that the not good scheduling problem of muscle contraction function leads to realizes the effective activity of joints such as ankle, knee joint (be not limited to these two joints), and then realizes that paralysed, sports injury patient are recovered, the training purpose.
The application can strengthen the rehabilitation effect of active activities in rehabilitation training, and under the assistance of the electrical stimulation system based on plantar pressure feedback, the patient can effectively complete rehabilitation training under the assistance of no person at home. This can promote patient's recovery, reduces recovered doctor and diagnoses the burden, practices thrift the cost of seeking medical advice.
The application effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (10)
1. An electrical stimulation system based on plantar pressure feedback, the system comprising:
one or more foot pressure detection modules which are adhered to at least one position on the insole so as to correspondingly detect the pressure data of at least one sole area during walking;
one or more electrical stimulators adhered to the one or more muscle groups of the leg through the conductive gel for outputting electrical pulses to the at least one muscle group for electrical stimulation;
the data processing unit is used for sensing the distribution condition of the pressure of the soles according to the received pressure data corresponding to different sole areas, and sending a stimulation instruction to the electric stimulators attached to one or more muscle groups so as to perform corresponding electric stimulation;
wherein, different pressure distribution conditions and one or more muscle groups preset corresponding stimulation relations.
2. The system of claim 1, wherein the stimulation relationships are pre-obtained based on medical rehabilitation knowledge and experience.
3. The system of claim 1, wherein the stimulation instructions comprise: any one or more of current intensity parameters, stimulation frequency, stimulation time, and stimulation area.
4. The system of claim 1, wherein the plantar region comprises: any one or more of the first metatarsal, the second metatarsal, the fifth metatarsal, the lateral heel, and the medial heel.
5. The system of claim 1, wherein the plantar pressure profile comprises: the pressure value corresponding to each sole area in a walking period and the pressure value are periodically changed; and/or the time of the high pressure value which is larger than the average pressure value and the time of the low pressure value which is lower than the average pressure value corresponding to each plantar region in a walking cycle.
6. The system of claim 1 or 5, wherein the muscle group is a muscle group innervated during walking; the muscle group includes: one or more of tibialis anterior, peroneal long short muscle, and gastrocnemius.
7. The system of claim 1, wherein the foot pressure detection module comprises a communication unit for communicating the collected pressure data to a data processing unit.
8. The system of claim 7, wherein the communication unit employs a wireless communication scheme, comprising: any one or a plurality of combinations of 2G, 3G, 4G, 5G, Bluetooth, infrared, NB-IoT, Rola, Zigbee, MavLink, WIFI, NFC, GPRS, GSM and Ethernet.
9. The system of claim 1, wherein the means of communication between the data processing unit and each of the electrical stimulators comprises: any one or more of USB1.0/2.0/3.x, MicroUSB, MiniUSB, serial interface, and parallel interface.
10. The system of claim 1, further comprising: and the power supply unit is used for respectively supplying power to the data processing unit, each electrical stimulator and each foot pressure detection module.
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| CN202023082708.6U CN214596823U (en) | 2020-12-18 | 2020-12-18 | Electrical stimulation system based on plantar pressure feedback |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122819A (en) * | 2023-09-26 | 2023-11-28 | 佛山市顺德区中创高科生物电子技术有限公司 | Intelligent control system for electronic walking aid |
| CN117653906A (en) * | 2023-12-19 | 2024-03-08 | 太极计算机股份有限公司 | Electric stimulation method and system for regulating contraction force of foot varus muscle |
-
2020
- 2020-12-18 CN CN202023082708.6U patent/CN214596823U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122819A (en) * | 2023-09-26 | 2023-11-28 | 佛山市顺德区中创高科生物电子技术有限公司 | Intelligent control system for electronic walking aid |
| CN117653906A (en) * | 2023-12-19 | 2024-03-08 | 太极计算机股份有限公司 | Electric stimulation method and system for regulating contraction force of foot varus muscle |
| CN117653906B (en) * | 2023-12-19 | 2024-07-12 | 太极计算机股份有限公司 | Electric stimulation method and system for regulating contraction force of foot varus muscle |
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