Microcurrent injection device and portable object including said device

Abstract

Device (100) for injecting microcurrents into a receptor body, comprising: a first antenna (1) configured to receive energy from the external environment in the form of electromagnetic radiation and convert it into a first time- varying electrical voltage signal (v(t)); said first antenna (1) being electrically isolated with respect to the receptor body; a conversion circuit (2) at least comprising a first varicap diode (4) and electrically connected to the first antenna (1) to receive the first time-varying electrical voltage signal ((v(t)) and convert it into a first pulsed microcurrent (ip(t)); a first electrically conductive terminal (3) connected to the first varicap diode (4) to receive the first pulsed microcurrent and intended to be placed in contact with the receptor body so as to inject said first pulsed microcurrent (ip(t)) into the receptor body.

Description

[0001] “ Microcurrent injection device and portable object including said device"

[0002] DESCRIPTION

[0003] TECHNICAL FIELD

[0004] The present invention relates to devices used for the injection of microcurrents into a receptor body.

[0005] STATE OF THE ART

[0006] It is known that the administration of electrical current in physiological ranges produced by microcurrent devices has several beneficial effects at the cellular level, including: increasing ATP (adenosine triphosphate), improving the transport of amino acids across the cell membrane, increasing cellular protein synthesis.

[0007] The document Marcello Allegretti "Microcurrent Electrical Therapy", Edition 1.0 December 2022, Power Waves extensively describes microcurrent therapy techniques and their beneficial effects.

[0008] The document Ngok Cheng ef al. "The effects of Electric Currents on ATP Generation, Protein Synthesis, and Membrane Transport in Rat Skin!", Clin. Orthop. Relat. Res. 1982, November-December, (171): 264-72) describes an electric circuit for generating currents powered by batteries.

[0009] The document US2022 / 0280778-A describes a microcurrent patch having a battery and an electronic circuit arranged on a substrate and covered with a layer of glue so as to form a single body on the substrate.

[0010] Another microcurrent therapy device is described in the document US6408211-B; this device consists of two plates connected by a conductive wire to a battery and an electrode in contact with the user's skin.

[0011] SUMMARY OF THE INVENTION The present invention addresses the problem of proposing a device for the injection of microcurrents into a receptor body (such as, for example, the human body) that is particularly efficient with regard to the method of generating the microcurrents.

[0012] According to one aspect, the present invention relates to a device for the injection of microcurrents as described in claim 1 and to its preferred embodiments as defined in claims 2-10.

[0013] According to another aspect, the present invention relates to a portable object for the injection of microcurrents into a receptor body as defined by claim 11 and by particular embodiments thereof defined by claims 12-15.

[0014] BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is described in detail below, by way of example and not limitation, with reference to the attached drawings, in which:

[0016] - figure 1 shows a microcurrent injection device, according to a first embodiment which includes a single antenna and a single varicap diode;

[0017] - figure 2 shows a microcurrent injection device, according to a second embodiment which includes two antennas and two varicap diodes connected to each other;

[0018] - figure 3 shows a microcurrent injection device, according to a third embodiment which includes two antennas and two output terminals;

[0019] - figure 4 shows a microcurrent injection device, according to a fourth embodiment which includes four antennas and three output terminals;

[0020] - figure 5 shows a microcurrent injection device, according to a fifth embodiment which includes four antennas and four output terminals;

[0021] - figure 6 shows by way of example of a therapeutic patch wherein a microcurrent injection device is integrated; - figure 7 and figure 8 show by way of example an object that can be fixed to the human body and comprises two separable parts, in which a microcurrent injection device is integrated;

[0022] - figure 9 shows by way of example of a bracelet including a microcurrent injection device;

[0023] - figure 10 shows a shoe insole in which a microcurrent injection device is integrated;

[0024] - figure 11 shows a support for a microcurrent injection device designed to be inserted into the ground in the vicinity of a vegetable.

[0025] DETAILED DESCRIPTION

[0026] Figure 1 schematically represents a first embodiment of a device 100 for injecting microcurrents into a receptor body. The device 100 comprises a first antenna 1, a conversion circuit 2 and a first terminal 3. The above-mentioned components are arranged in a housing 7 whose shape and structure depends on the particular type of application.

[0027] According to an example of possible applications, the body receiving the microcurrents generated by the device is the body of a user (a human or an animal). In this case, housing 4 is such that it can be worn by the user and can be made in different possible ways, which will be described later. In the following, unless otherwise indicated, reference will be made by way of example to the application to humans.

[0028] The first antenna 1 is configured to receive energy from the external environment in the form of electromagnetic radiation and convert it into a first time-varying electrical voltage signal V(t) . The first antenna 1 is intended to remain electrically isolated from the user's body.

[0029] It should be noted that the electromagnetic radiation captured by the first antenna 1 is that present in the external environment and, preferably, is of natural origin and is generated independently of the device 100: that is, it is not generated specifically for the operation of the device 100. In other words, the device 100 is free of and is independent of devices generating said electromagnetic radiation. That is, the device 100 does not cooperate with any generator internal or external to the device itself that is designed for the purposes of such cooperation. This also applies to the embodiments described below.

[0030] The conversion circuit 2 is electrically connected to the first antenna 1 to receive the voltage signal v(t) and is such as to convert it into a first pulsed microcurrent ip(t). In particular, the microcurrent ip(t) has the form of a monophasic pulsed wave.

[0031] In particular, the conversion circuit 2 comprises at least a first varicap diode 4 which has its anode A connected to the antenna 1.

[0032] The first terminal 3 is electrically conductive and is connected to the first varicap diode 4 to receive the first pulsed microcurrent ip(t) to be injected into the user's body. The first terminal 3 is intended to be placed in contact with the user's skin. In particular, the first terminal 3 is connected to the cathode C of the first varicap diode 4. Depending on the type of varicap diode, it is also possible to invert the anode-cathode connection with respect to that shown in the figures.

[0033] A conducting wire 5 (such as a copper wire) may be used to connect the first antenna 1 to the conversion circuit 2 and a further copper wire 6 may be used to connect the conversion circuit 2 to the first terminal 3.

[0034] The above components can be of various types.

[0035] For example, the first antenna 1 can be a serpentine antenna (as shown in figure 1) made with a metal wire (for example, copper) or with a silver bath, on a relative support. Alternatively, the first antenna 1 is made by a smart antenna (serpentine) having a copper braid. It is also possible to use a spiral antenna, simple or smart, or a single or double helical antenna. Furthermore, composite antennas can be used, i.e. antennas that have a helical portion and a straight portion.

[0036] The first varicap diode 4 has a capacity dependent on the electrical voltage applied to its terminals which, in particular, is inversely proportional to the root of the voltage . The varicap diode 4 can be realized by means of a discrete component or by means of a component integrated into a chip.

[0037] The conversion circuit 2 which, in its simplest form, coincides with the single varicap diode 4 has the function of rectifying the signal supplied by the antenna 4 so as to give the pulsed form to the first pulsed microcurrent ip(t).

[0038] The first terminal 3 can be made using a metal plate (for example, made of copper, silver, brass or another alloy, semiconductor material), which can have different shapes, even having an aesthetic value.

[0039] In the operation of the device 100, the first antenna 1 captures the electromagnetic radiation (in particular, the magnetic component) present in the surrounding environment (attributable, for example, to bioenergy produced by the user or in any case present in the surrounding environment) and converts it into the voltage signal v(t) which is supplied to the anode A of the first varicap diode 4.

[0040] The first varicap diode 4, through its variable capacity as a function of the voltage signal v(t), generates the pulsed microcurrent ip(t) which is supplied to the first terminal 3. Through the first terminal 3, which acts as an electrode, the pulsed microcurrent ip(t) is injected into the user's skin causing the beneficial effects, which will be indicated later.

[0041] For example, the first antenna 1 is designed to be broad spectrum so as to capture as much energy as possible.

[0042] The time-varying electrical voltage signal v(t), for example, has a voltage between 0.6 V and 2.0 V, in particular 1.8 V. The pulsed microcurrent ip(t) has an intensity between 2 and 12 microamperes, for example. The pulse repetition frequency associated with the microcurrent ip(t) is in the range: 30 Hz - 20,000 Hz. As is evident to those skilled in the art, the values of voltage, current and frequency depend on the components.

[0043] It should be noted that the device 100 does not have any electrical energy storage batteries and is not connected to any power supply networks, as it draws its power from the antenna 1. Furthermore, the device 100 does not require any electrical connections to earth.

[0044] The device 100 described above can be made in several alternative forms.

[0045] For example, figure 2 refers to the case of a device 200 in which a second antenna 8 is also used and the conversion circuit 2 also comprises a additional varicap diode 9. According to this embodiment, the cathodes of the first varicap diode 4 and of the additional varicap diode 9 are connected to each other and to the first terminal 3 (double diode configuration), while the two anodes are connected one to the first antenna 1 and the other to the second antenna 8. This configuration of figure 2 allows more energy to be intercepted, increasing the effectiveness of the device at the single point of application, for a more intense targeted treatment

[0046] Figure 3 refers to another embodiment (device 300), in which a second terminal 10 (similar to the first terminal 3) is also used. According to this embodiment, the second antenna 8 is connected to a second varicap diode 11 (disconnected from the first varicap diode 4) and connected to the second terminal 10. The first terminal 3 and the second terminal 10 are applicable to two distinct and close points of the user's skin. It is thus possible to inject two microcurrents into the user, stimulating the area of interest from multiple directions with the benefit of uniformly treating a larger area.

[0047] Figure 4 shows a device 400 which further comprises a third terminal 12 connected to a third varicap diode 13 in turn connected to a third antenna 14. The third terminal 12 is also connected to a fourth varicap diode 15 in turn connected to a fourth antenna 16. In this case, part of the structure described with reference to Figure 1 is replicated four times, but there is one terminal (the third terminal 12) common to two varicap diodes 16. With the device 400 three microcurrents are obtained injected from the three terminals 3, 10 and 12 which can be adequately positioned. The two varicap diodes 13 and 15 are connected to the third terminal 12.

[0048] This embodiment of figure 4 allows to combine the benefits of devices 200 (figure 2) and 300 (figure 3), with the possibility of acting in a targeted and intense manner on the centre of interest thanks to the third terminal 12 and also treating the peripheral areas with the two terminals 3 and 10, also providing the benefits of multidirectional stimulation to the centre of interest.

[0049] According to another embodiment, figure 5 shows a device 500 according to which the components shown in figure 1 are replicated four times. Therefore, in this case, there is also a fourth terminal 17, connected to the fourth varicap diode 15, in turn connected to the fourth antenna 16, but distinct from the other terminals. This embodiment is indicated for irregularly shaped skin areas or for particularly large areas, where it is therefore necessary to act in multiple points to uniformly treat the area. Advantageously, the center of interest must be located at the intersection of the current flows so as to increase the benefits of the stimulation.

[0050] It should be noted that for each of the above described embodiments the relative varicap diode 4, p, 11, 13 or 15 can be equipped with a respective constant capacitance capacitor CN (shown only in figure 1) and connected to the relative anode A of each varicap diode. The capacitor CN, in addition to acting as a reservoir of electric charges, delays the voltage wave with respect to the microcurrent iP(t). This delay can have the advantage of stimulating the treated cells to act preventively at the points where the microcurrents are injected. A 100 nF, 50 V ceramic capacitor can act as a reservoir for microcurrents.

[0051] The conversion circuit 2 may also include a resistor (not shown) to limit the microcurrent produced to the desired values.

[0052] According to a particular embodiment of the device 100 (similar to that of figure 1), the antenna 1 is serpentine-shaped and has a length between 20 mm and 60 mm; the varicap diode 4 is the BB09 model produced by Philips with magnetic terminals; the fixed capacitor CN is a ceramic capacitor with SMD (Surface Mount Technology) assembly, with a nominal capacity of 100 nF at 50 V. These components are fixed to a printed circuit board equipped with copper tracks. For example, the varicap diode 4 and the capacitor CN are made on opposite faces of a relative printed circuit board (PCB) in which the first antenna 1 is made. For example, the printed circuit board on which the device 100 is made has dimensions of 20 mm in length and 10 mm in width.

[0053] According to another particular embodiment of the device 100 (similar to that of figure 1 and its variants), this is made according to the FPC (Flexible Printed Circuits) technique. For example, for this embodiment the varicap diode can be a BB844 model diode, like the one produced by Infineon.

[0054] The microcurrent injection device described above in its versions 100 to 500 can be integrated into various possible housings that have different shapes depending on the application. In the following, more reference will be made to the injection device indicated with 100, but the description provided is valid for each of the other embodiments described above.

[0055] According to one embodiment, the injection device 100 is assembled to form a therapeutic patch 600 (Figure 6). According to one example, the therapeutic patch 600 comprises a first support layer 18 having an adhesive face 19 on which lies a second support layer 20 (such as gauze). On the second support layer 20 are arranged the first antenna 1 and the conversion circuit 2.

[0056] Furthermore, the therapeutic patch 600 comprises a plate made of insulating material 21 intended to be fixed to the second support layer 20 so as to overlap the first antenna 1 and the conversion circuit 2. The first terminal 3 is fixed to the insulating plate 21, in the form of a first conductive plate. Some examples of electrically insulating materials are: Polyethylene (PE), Polypropylene (PP), Polyvinyl chloride (PVC), Polystyrene (PS), Polyester (PET), Nylon, Teflon, fiber glass.

[0057] Preferably, the therapeutic patch 600 comprises a second conductive plate 22, for example, made of carbon fiber, arranged on the first terminal 3. The second conductive plate is intended to be placed in contact with the user's skin.

[0058] It should be noted that the second support layer 20, on which the first antenna 1 and the conversion circuit 2 are arranged, may be a printed circuit board and, in particular, the varicap diode 4 may be a device integrated into a chip (i.e., a chip of semiconductor material).

[0059] It is also possible to integrate the microcurrent injection device into a structure similar to that of disposable electrodes, of a known type, used to perform electrocardiograms. An example of this device 600 is shown, the first antenna 1 and the conversion circuit 2 are inserted into the terminal intended to be facing the outside of the user's body and could be covered by a layer of protective material. The component that is in contact with the skin of the human body, i.e. the actual electrode, plays the role of the first terminal 3.

[0060] According to another embodiment, shown schematically in figure 7, an injection object 700 is shown which can be made of a first body 23 and a second body 24, which can be reversibly joined together. The first body 23 (for example in the shape of a disk, at least partially conductive) is of the patch type and includes the first terminal 3 which is therefore intended to be placed in electrical contact with the user's skin. The first body 23 is therefore equipped with adhesive material arranged on its first face 25.

[0061] On a second face 26 there is a connecting element 27 (for example, a male element) suitable for ensuring fixing and electrical contact to the second body 24. The second body 24 has a similar shape to that of the first body 23 and contains the first antenna 1 and the conversion circuit 2.

[0062] Furthermore, the second body 24 has a relative connecting element 28 (female element, according to the example) suitable for allowing removable coupling to the first body 23. The connecting elements 27 and 28 ensure the electrical connection between the conversion circuit 2 and the first terminal 3 coinciding, for example, with the first face 25. It is possible to use connecting means of the first body to the second body other than those shown. The embodiment shown in Figure 7 allows the first body 23 to be replaced after a certain time of use without the need to replace the second body 24, containing the first antenna 1 and the conversion circuit 2. Figure 8 shows a practical embodiment of the device 700.

[0063] The injection device 100-500 described can also be made in the form of a pin or clip that can be removably attached to a piece of clothing, to be correctly placed in contact with the user's skin. For example, an object similar to that 700 shown in figure 7 can be made not in the form of a patch but for attachment to clothing worn by the user. According to this example, such an object can be attached to the clothing by sewing, Velcro or snap closure (clip).

[0064] The device 100-500 (in the embodiments of figures 1-5) can also be integrated into jewelry or other wearable ornaments such as: bracelet, anklet, necklace, watch. For example, figure 9 shows a schematic example of a bracelet 800 comprising one of the devices 100-500, described above. The bracelet 800 is equipped with a strap 29 and the terminal 3, to be placed in contact with the user's skin, also has the role of container 28 for the other electronic components (i.e. the conversion circuit 2 and the first antenna 1). According to another embodiment, the first terminal 3 is arranged inside the container 28 and is in contact with this container (made of metal).

[0065] In accordance with a further application (figure 10), the injection device in its various versions 100-500 can be integrated inside an insole 900 of a shoe. According to the example of figure 10, the insole 900 can be made of conventional materials and includes (for example, in the heel area) a housing 33 which comprises at least the first antenna 1 and the conversion circuit 2. In addition to or in place of the first terminal 3, the insole 900 has conductive wires 34 (for example, fixed on the surface of the insole or woven into the insole material) suitable for coming into contact with the plantar area of the user's foot to inject the microcurrents therein.

[0066] The conductive wires 34 can be made of a selected material from the group: silver, copper, carbon, precious metal, conductive polymer, graphene. Other usable materials (also for the first terminal 3) are: carbon nanotubes, fullerenes, graphite.

[0067] Instead of the conductive wires 34, the insole 900 could be made of an electrically conductive fabric, with the possible addition of other layers, such as for example: non-woven fabric (tnt) and / or Kapok.

[0068] The electrically conductive fabric can be, for example, a fiber fabric (e.g., polyester fiber fabric) as a base material to which a galvanized metal coating is applied, to give it metallic characteristics and become a conductive fiber fabric. The electrically conductive fabric can be of the following types: nickel- plated conductive fabric, gold-plated conductive fabric, carbon conductive fabric, aluminum fiber composite fabric.

[0069] It should also be noted that, the same housing 33 could constitute a heel unit (with the entire device 100-500 integrated) suitable for being inserted into a shoe, separately from the insole described above.

[0070] Similarly to what has been described with regard to the insole 900, it is also possible to integrate the injection device in its various versions 100-500 in an item of clothing such as for example: ankle brace, knee brace, underpants, apron, scarf, gloves, hat, tights, ski suit, cuff, socks. These items of clothing comprise conductive wires 34 and / or comprise electrically conductive fabric.

[0071] According to an application not directed to humans but directed to a vegetable, the device 100-500 can be integrated into a support structure 950 (figure 11) intended to be inserted into the ground, in proximity to the vegetable (for example, a plant in a pot) into which the microcurrents are injected. According to the example shown, the support 950 comprises an upper portion 41 to which the injection device 100-500 is applied and a lower portion 42 of a shape suitable for being inserted into the ground. Advantageously, the upper portion 41 is provided with a cavity 43 suitable for accommodating the device 100-500. The lower portion 42 can comprise an electrically conductive wire intended to contact the ground, or is made so as to be conductive. In this case, the microcurrents generated by the injection device 100-500 can benefit the vegetable located in the vicinity of the support 950. The beneficial effects of microcurrents on vegetables have also been proven and are known.

[0072] It should be noted that, with regard to application to plants, this is possible not only in the manner described with reference to figure 10. In fact, the injection device 600 of figure 6, in the form of a patch, could also be applied to the vegetable (for example, to a leaf or to a stem / trunk).

[0073] The injection device 100-500 described above can also be associated with an NFC (Near-Field Communication) technology card that stores data and / or information that can be consulted from the outside.

[0074] Applications and benefits

[0075] The therapeutic applications of the devices and objects described above are those typical of microcurrents and some of them are recalled below, considering that this is a non-exhaustive list:

[0076] - Muscle stimulation

[0077] - Muscle relaxation

[0078] - Sports recovery

[0079] - Pain therapy

[0080] - Stress reduction Improved sleep

[0081] More specifically, microcurrents can be used to treat a variety of conditions, including: pain, inflammation, edema, wounds, ulcers, neuropathy.

[0082] It should be noted that the devices and objects described above are particularly advantageous because, thanks to the fact that they do not require a power source to connect them to, they allow therapy to be carried out for long periods of time and without requiring the user to change or recharge the battery or to remain in a specific place where therapy is performed.

[0083] Furthermore, the possibility of integrating the device into different types of portable objects allows the user to choose the most suitable object for the area to be treated without it being cumbersome or visible to third parties.

[0084] The Applicant has built the current injection device in many of the versions described above and has been able to appreciate both its correct functioning from an electronic point of view and the benefits indicated for the receptor body.

Claims

CLAIMS1. A device (100-500; 600-950) for injecting microcurrents into a receptor body, comprising: a first antenna (1) configured to receive energy present in the external environment in the form of electromagnetic radiation and convert it into a first time- varying electrical voltage signal (v(t)); said first antenna (1) being electrically isolated with respect to the receptor body and the device (100-500; 600-950) being free of and independent from apparatus generating said electromagnetic radiation; a conversion circuit (2) at least comprising a first varicap diode (4) and electrically connected to the first antenna (1) to receive the first time-varying electrical voltage signal ((v(t)) and convert it into a first pulsed microcurrent (i p (t)); a first electrically conductive terminal (3) connected to the first varicap diode (4) to receive the first pulsed microcurrent and intended to be placed in contact with the receptor body so as to inject said first pulsed microcurrent (i p (t)) into the receptor body.

2. Device (100-500) according to claim 1, wherein said first time-varying electrical voltage signal has a voltage between 0.6 V and 2.0 V.

3. Device (100-300) according to claim 1, wherein said first pulsed microcurrent has a frequency in the range 30 Hz - 20,000 Hz.

4. Device (100-500) according to claim 1, wherein said first pulsed microcurrent is of the order of micro Amperes.

5. Device (300-500) according to claim 1, comprising: a second antenna (8) configured to receive energy from the external environment in the form of electromagnetic radiation and convert it into asecond time-varying voltage electrical signal; said second antenna being electrically isolated with respect to the receptor body; a second varicap diode (11), included in the conversion circuit (2), and electrically connected to the second antenna (8) to receive the second time varying voltage electrical signal and convert it into a second pulsed microcurrent; a second electrically conductive terminal (10) connected to the second varicap diode (11) to receive the second pulsed microcurrent and intended to be placed in contact with the receptor body so as to inject said second pulsed microcurrent into the receptor body.

6. Device (400-500) according to claim 5, comprising: at least one further antenna (14; 16) configured to receive energy from the external environment in the form of electromagnetic radiation and convert it into a respective further time-varying voltage electrical signal; said at least one further antenna being electrically isolated with respect to the receiving body; at least one further varicap diode (13; 15), included in the conversion circuit (2), and electrically connected to the at least one further antenna (14; 16) to receive the further time-varying voltage electrical signal and convert it into a further pulsed microcurrent; at least one additional electrically conductive terminal (12; 17) connected to the at least one further varicap diode (13; 15) to receive the further pulsed microcurrent and intended to be placed in contact with the receptor body so as to inject said additional pulsed microcurrent into the receptor body .

7. Device (200) according to at least claim 1, comprising: an additional antenna (8) configured to receive energy from the externalenvironment in the form of electromagnetic radiation and convert it into a respective time-varying voltage electrical signal; said additional antenna (8) being electrically isolated with respect to the receptor body; an additional varicap diode (9), included in the conversion circuit (2), electrically connected to the additional antenna (8) to receive the respective time-varying voltage electrical signal and convert it into an additional pulsed microcurrent; the additional varicap diode (9) having a respective cathode connected to a cathode of the first varicap diode (4) in turn connected to the first electrically conductive terminal (3).

8. Device according to claim 1, wherein said first antenna is such as to be in one of the following types: serpentine antenna, helical antenna, double helix antenna, smart antenna, spiral antenna, partially helical and partially straight antenna.

9. Device according to claim 2, wherein the first terminal (3) is made according to one of the following materials: copper, silver, brass, semiconductor material.

10. Device according to claim 1, wherein said conversion circuit (2) further comprises a capacitor (CN) of fixed capacitance connected between the first antenna (1) and the varicap diode (4) configured to delay a relative electricvoltage with respect to the first pulsed microcurrent (ip(t)).

11. Microcurrent injection object (600-950) comprising:- a portable housing body (7, 19, 23-24, 30, 33: 950);- a device (100-500) for injecting microcurrents made according to at least one of the preceding claims and arranged within the housing body; wherein said housing body is such as to allow the injection of microcurrents into areceptor body.

12. Object according to claim 11, wherein said object is wearable by a user and is one of the following objects: patch (600-700), wearable jewelry (800), container that can be attached to an item of clothing (700), insole for footwear (900), item of clothing.

13. Object according to claim 12, wherein said object is a shoe insole (900) wherein: the insole includes conductive wires (34) for injecting the pulsed microcurrent made in a material selected from the group: silver, copper, carbon, precious metal, conductive polymer, graphene; or said insole is made of an electro-conductive fabric to inject the pulsed microcurrent.

14. Object according to claim 12, wherein said object is an item of clothing chosen by the group: anklet, knee brace, underwear, apron, scarf, gloves, hat, tights, ski suit, cuff, socks; said item of clothing comprising conductive wires (34) and / or electro-conductive fabric for injection of the pulsed microcurrent.

15. Object according to claim 11, wherein said housing body (950) is configured to be inserted into the ground and inject currents into the ground in the vicinity to a vegetable operating as a receptor body .

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