WO2024203582A1 - Stimulus application device - Google Patents

Abstract

[Problem] To provide a stimulus application device that can be used in a plurality of sites. [Solution] According to one aspect of the present invention, a stimulus application device is provided. The stimulus application device includes a first device that applies a stimulus to the body, and a second device that applies a stimulus to the body. The first device and the second device can be connected and separated.

Description

Stimulation device

The present invention relates to a stimulation device.

Various technologies have been developed recently. Patent Document 1 discloses a belt with multiple electrodes that are placed around the abdomen on the rectus abdominis and oblique muscles. Patent Document 2 discloses an EMS exercise device that applies electrical stimulation to the user's forearm.

Special Publication No. 2005-536290 JP 2023-114888 A

The techniques disclosed in Patent Documents 1 and 2 require separate devices to be prepared for each target area, such as for the abdomen and arms, which places a burden on the user in terms of cost and complexity of use.
In view of the above circumstances, the present invention provides a stimulation device that can be used on a plurality of parts of the body.

According to one aspect of the present invention, a stimulation device is provided. The stimulation device includes a first device for providing a stimulation to the body and a second device for providing a stimulation to the body. The first device and the second device can be connected to and separated from each other.

In this manner, it is possible to provide a stimulation device that can be used on multiple areas.

FIG. 1 illustrates an EMS device 100. FIG. 2 is a diagram showing the stimulating device 200 as viewed from the front. 2 is a view taken along the arrow A of the stimulation device 200. FIG. FIG. 2 is a diagram showing the stimulating device 200 as seen from the back. FIG. 2 shows the stimulator 200 in isolation. 13 is a diagram showing the first main body 310 before being attached to the first belt 350. FIG. 13 is a diagram showing the first main body 310 after being attached to the first belt 350. FIG. 13 is a diagram showing the second main body 410 before being attached to the second belt 450. FIG. 13 is a diagram showing the second main body 410 after being attached to the second belt 450. FIG. FIG. 13 is a diagram showing the polarity of each electrode during separation. FIG. 4 is a diagram showing the polarity of each electrode when connected. 4A and 4B are diagrams illustrating a method of connecting the first device 300 and the second device 400. 4 is a diagram showing a fitting portion 311. FIG. 4 is a diagram showing a fitting portion 411. FIG. 1 is a diagram showing a method of separating the first device 300 and the second device 400. FIG. FIG. 13 is a diagram showing another example of potential control during coupling. FIG. 2 is a diagram showing an example of a water supply mechanism. FIG. 13 is a diagram showing another example of a water supply mechanism. FIG. 13 is a diagram showing another example of a water supply mechanism.

[First embodiment]
The first embodiment will be described below.

In this embodiment, the belt-like body is a belt-like body for beauty purposes worn by a user. "For beauty purposes" as used here includes muscle stimulation, health promotion, weight loss, and various other beauty-related uses. The belt-like body comprises a first main body portion and a second main body portion. The first main body portion has a first connection mechanism. The second main body portion has a second connection mechanism. The first connection mechanism and the second connection mechanism are connected to each other to form a single belt-like body in which the first main body portion and the second main body portion are linked. When the connection is released, the first belt-like body with the first main body portion and the second belt-like body with the second main body portion are formed. With this configuration, one belt-like body can be worn in various parts of the body.

Preferably, the belt-like body formed by connecting the first body portion and the second body portion is configured to be worn around the torso of the user.

Preferably, the torso is the abdomen, buttocks or back.

Preferably, the first belt-like body is configured to be worn on one of a pair of limbs of the user. The second belt-like body is configured to be worn on the other of the pair of limbs.

Preferably, the limb is a leg or an arm.

Preferably, the leg is the thigh or calf.

Preferably, the first body portion has a first conductive portion. The second body portion has a second conductive portion. It is configured to impart electrical stimulation to the user's living body via the conductive portion.

Preferably, the first conductive portion and the second conductive portion are configured to form a circuit via the user's living body.

Preferably, the first conductive portion and the second conductive portion are electrodes.

Preferably, the first connection mechanism and the second connection mechanism are mechanically and electrically connected.

Preferably, the first connection mechanism has a first electrical contact. The second connection mechanism has a second electrical contact. The first connection mechanism and the second connection mechanism are electrically connected by the first electrical contact and the second electrical contact coming into contact with each other. With this configuration, when used as a single belt-shaped body, it becomes possible to electrically control them as a single device.

Preferably, the belt-like body further includes a processor. The processor is configured to control the flow of electricity to the first conductive portion and the second conductive portion.

Preferably, the processor changes the mode of current flow depending on the state of the connection (including a disconnected state).

Preferably, the mode of current flow includes at least one of conductive part selection, output level, and waveform.

Preferably, when the connection is established, the processor synchronizes the current control in the first conductive portion with the current control in the second conductive portion.

Preferably, when the connection is established, the processor performs control on both the first body unit and the second body unit in response to a user's operation on one of the first body unit and the second body unit. With this configuration, the user can use the belt-shaped body more easily.

Preferably, the operations include at least one of changing the power supply mode, turning the power supply on and off, and adjusting the output level of the EMS or heater.

Preferably, the first connection mechanism and the second connection mechanism are provided with a specified mechanism. The specified mechanism is configured to prevent the user's body from being pinched when they are connected to each other. With this configuration, it is possible to prevent the user from getting their body pinched when putting on the belt-like body.

Preferably, the specified mechanism is configured to interfere with a first movement along the extension direction of the main body (parallel to the skin surface) for connecting the first connection mechanism and the second connection mechanism. The extension direction specified mechanism is configured to accept a second movement along a normal direction to the body when worn (perpendicular to the skin surface) for connecting the first connection mechanism and the second connection mechanism. With this configuration, the user can prevent accidents in which the user's body gets pinched simply by paying attention to the orientation in which the device is worn.

Preferably, the belt-like body is configured such that the first and second connection mechanisms are connected by pressing one of the first and second connection mechanisms against the body and moving the other mechanism relative to the other until it comes into contact with the other mechanism.

Preferably, the specified mechanism further includes a fitting portion and a fitted portion. The belt-shaped body is configured such that when one comes into contact with the other, the fitting portion and the fitted portion fit together, connecting the first connection mechanism and the second connection mechanism. With this configuration, the connected state can be firmly maintained.

Preferably, the engaging portion is a convex portion and the engaged portion is a concave portion.

Preferably, the specified mechanism further includes a disengagement button. When the disengagement button is pressed, the engagement between the engaging portion and the engaged portion can be released.

Preferably, the specified mechanism is configured to interfere with a third movement along the extension direction that separates the first connection mechanism from the second connection mechanism. When the engagement release button is pressed, the specified mechanism is configured so that the belt-shaped body receives a fourth movement along the normal direction that separates the first connection mechanism from the second connection mechanism. With this configuration, it is possible to prevent accidents in which the user's body gets caught, even when releasing the connection.

Preferably, the disengagement buttons are a pair of buttons arranged in a direction perpendicular to the extension direction and the normal direction.

Preferably, the specified mechanism is a flexible material provided on the surfaces of both the first and second connection mechanisms that come into contact with the body.

Preferably, the first body portion has a first length adjustment mechanism. The second body portion has a second length adjustment mechanism.

Furthermore, in this embodiment, the device is a device used for beauty or medical purposes. The device includes a conductive part and a water supply part. The conductive part is configured to impart an electrical stimulus to the user's living body. The water supply part is configured to supply water to the conductive part. With this configuration, the conductive part can be easily wetted during use.

Preferably, the conductive part is a conductive part (excluding conductive fibers and conductive gel sheets). With this configuration, it is possible to reduce maintenance costs, such as washing and frequent replacement.

Preferably, the conductive portion is made of a soft conductive material.

Preferably, the conductive portion is an electrode.

Preferably, the water supply section is configured to retain moisture and supply the retained moisture to the conductive section.

Preferably, the water supply unit is configured to be detachable from the device. With this configuration, the water supply unit can be removed and moisture can be easily added to the water supply unit.

Preferably, the water supply section includes a sponge-like member.

Preferably, the water supply section further comprises a resin member bonded to the sponge-like member.

Preferably, the sponge-like member is configured to be detachable from the device together with the resin member.

Preferably, the device further includes a main body. The main body includes a contact surface that contacts the user's body. The water supply section is provided so as to be exposed to the contact surface.

Preferably, the main body has a design surface on the back side of the contact surface. A protrusion is provided on the design surface. The water supply section is configured to supply water to the conductive section by pressing the protrusion. With this configuration, the user can easily wet the conductive section manually.

Preferably, the device further comprises a main body. The main body contains the water supply unit. The main body comprises a contact surface that comes into contact with the user's body. The contact surface comprises at least one hole, and is configured so that moisture held in the water supply unit is supplied to the conductive unit via the hole. With this configuration, water flows into the conductive unit from the hole over time, gradually wetting the conductive unit.

Preferably, the device is a belt-shaped body.

[others]
The electrode portion may be made of a conductive metal, conductive silicone rubber, or conductive resin.
At least one hole or groove may be provided through which water flows from the water supply section to the conductive section. In this case, it is desirable to configure the device so that water can flow between the conductive section and the target (skin) through the hole or groove. The water supply section is not limited to storing water, and may be a viscous lotion or the like, as long as it is a medium that can be well conductive.

In addition, this embodiment provides an EMS belt that is easier to use (EMS: Electrical Muscle Stimulation). Conventional products require separate EMS devices to be prepared for each target area, such as for the legs and abdomen, which places a burden on users in terms of cost and use, and there was a need for improvement. As a solution to this issue, a pair of EMS belts for the legs (left and right) can also be used for the abdomen.

FIG. 1 is a diagram showing an EMS device 100. As a specific example, an EMS device 100 is provided that can be separated for use on the left and right thighs, and connected for use on the stomach or back. The length of the EMS device 100 can be adjusted and wrapped around various parts of the body, such as the left and right arms, calves, and thighs, and can also be connected for use on the stomach, buttocks, etc.

In addition, conventional products have the problem that simply physically connecting independent left and right EMS devices only allows the muscles on the left and right sides to move independently, making it difficult to provide the necessary stimulation to the muscles in the center of the torso. Also, it was necessary to set the output mode for each left and right device. As a solution, we provide an EMS device that allows bioelectrical conduction between the left and right device electrodes when connected. As a specific measure, we place electrical contacts at the left and right connecting part, and enable EMS output between the left and right device electrodes through this connecting part. As another solution, we provide an EMS device that detects and recognizes the state when the left and right are connected, and switches the output level, program waveform, and electrode location to be output according to a program, including between the left and right devices. As another solution, we provide an EMS device that allows the left and right program modes and power ON/OFF to be operated in conjunction with each other when the left and right are combined with a single operation.

In addition, conventional products have an issue in that simple operation is required when connecting independent EMS devices on the left and right. On the other hand, it is necessary to prevent the connection part from coming off due to unexpected external force, etc., and the EMS device from falling. Also, consideration was required to prevent the skin from being accidentally pinched during the connection operation. As a solution, a structure was created in which the left and right devices are connected in the correct position by force such as magnetic force when they are brought close to each other in a roughly aligned direction. A safety mechanism is included that requires the lock to be released by pressing two buttons simultaneously when disconnecting the connection. In addition, as another solution, the direction of connection movement of the devices when connecting the left and right is approximately perpendicular to the skin surface, and the surface part where the distance changes in the perpendicular direction is a part of the entire connecting surface and/or is at a distance of 5 mm or more from the skin surface. If the connection movement direction is parallel to the skin surface, the distance between the connecting surfaces is narrowed, and there is a high risk of the skin being pinched. If the connection movement direction is perpendicular to the skin surface, some of the connecting surfaces simply slide, and the distance does not change. The contact surfaces where the distance changes are spaced apart from the skin surface, reducing the risk of the skin becoming trapped in the gap where the distance between the surfaces changes.

　Conventional products use a method of attaching a gel pad to the bioelectrode area, but this poses issues with maintenance and running costs. There are also products on the market that use conductive fibers and a water-absorbing sponge to replace the gel pad with water, but these have the problem of cumbersome maintenance such as washing and drying. As a solution, we have created a structure that allows for cleaning by removing only the water supply mechanism (water supply sponge/water supply tank and the unit surrounding it) from the bioelectrode area (preferably conductive, either metal or silicone/highly water-resistant). The belt area is also made of materials that can be kept clean just by wiping the surface, such as silicone rubber, waterproof PU leather, and waterproof fabric.

　Conventional products provide EMS stimulation by attaching a conductive gel seal, but they must be replaced after several uses, which places a burden on the user in terms of cost. When a moist conductive soft material is used as an alternative to gel sheets, it has the advantage that it can be washed with water and reused repeatedly, and can be used by people with metal allergies.

Second Embodiment
A second embodiment will be described. FIG. 2 is a diagram showing the stimulating device 200 as seen from the front. FIG. 3 is a diagram showing the stimulating device 200 as seen from the arrow A. FIG. 4 is a diagram showing the stimulating device 200 as seen from the back. FIG. 5 is a diagram showing the stimulating device 200 in a separated state. Here, the front of the stimulating device 200 refers to the side that is seen from the front when the stimulating device 200 is worn on the body, and the back of the stimulating device 200 refers to the side that is in close contact with the body when the stimulating device 200 is worn on the body. The back of the stimulating device 200 has a surface that contacts the skin (skin surface), and the front of the stimulating device 200 has a surface opposite to the skin surface (opposite skin surface).

The stimulation device 200 shown in FIG. 2 includes a first device 300 that stimulates the body, and a second device 400 that stimulates the body. The first device 300 and the second device 400 can be connected and separated. In FIG. 2, FIG. 3, and FIG. 4, the first device 300 and the second device 400 are shown in a connected state.

The first device 300 has a first body 310, a first electrode 320, a second electrode 330, and a first belt 350. The first body 310 has a battery, a circuit, a panel, etc., and supplies power to stimulate the body. The first electrode 320 and the second electrode 330 are parts that are electrically connected to the body by being in contact with the body. The circuit applies a voltage to the first electrode 320 and the second electrode 330. Details such as the magnitude of the applied voltage will be described later.

The first belt 350 is a member for wrapping the first device 300 around the body to secure it. The first belt 350 has the PU elastic fiber 351, conductive TPU 352, conductive TPU 353, and the first connection part 360 shown in FIG. 4. The PU elastic fiber 351 is a stretchable, elongated cloth-like member that stretches to fit the size of the body. The conductive TPU 352 and conductive TPU 353 are soft members having conductivity, and are attached to the surface of the PU elastic fiber 351 that comes into contact with the body. The conductive TPU 352, which has conductivity, functions as the first electrode 320, and the conductive TPU 353, which also has conductivity, functions as the second electrode 330.

The second device 400 has a second body 410, a third electrode 420, a fourth electrode 430, and a second belt 450. The second body 410 has a battery, a circuit, a panel, etc., and supplies power to stimulate the body. The third electrode 420 and the fourth electrode 430 are parts that are electrically connected to the body by being in contact with the body. The circuit applies a voltage to the third electrode 420 and the fourth electrode 430. Details such as the magnitude of the applied voltage will be described later.

In the example of FIG. 2, the first electrode 320 and the third electrode 420 are arranged in the same direction (upward in FIG. 2) when viewed from the center of the short side direction D1 of the first belt 350 and the second belt 450, and the second electrode 330 and the fourth electrode 430 are arranged in the same direction (downward in FIG. 2) when viewed from the center of the short side direction D1.

The second belt 450 is a member for wrapping and fixing the second device 400 around the body. The second belt 450 has a PU elastic fiber 451, a conductive TPU 452, a conductive TPU 453, and a second connection part 460 as shown in FIG. 4. The PU elastic fiber 451 is a bendable, elongated cloth-like member that bends to fit the size of the body. The conductive TPU 452 and the conductive TPU 453 are soft members that are bendable and conductive, and are attached to the surface of the PU elastic fiber 451 that comes into contact with the body.

The first connection part 360 is provided at one end of the PU elastic fiber 351 in the longitudinal direction D2, and when the first belt 350 is wrapped around the body, it connects to the other end to secure the first belt 350 to the body. The second connection part 460 is provided at one end of the PU elastic fiber 451 in the longitudinal direction D2, and when the second belt 450 is wrapped around the body, it connects to the other end to secure the second belt 450 to the body. The "other end" referred to here is a part that differs depending on whether the first device 300 and the second device 400 are separate or connected.

When the first device 300 and the second device 400 are separated, as shown in FIG. 5, the end connected to the first connection part 360 is the end on the opposite side of the PU elastic fiber 351, and the end connected to the second connection part 460 is the end on the opposite side of the PU elastic fiber 451. The first body 310 and the second body 410 described below are attached to these ends and connect to the first connection part 360 and the second connection part 460, respectively. The length of the longitudinal direction D2 of both the PU elastic fiber 351 and the PU elastic fiber 451 corresponds to the circumference of the limb of the body.

Therefore, the first device 300 is attached to a limb of the body by a first belt 350, and the second device 400 is attached to a limb of the body by a second belt 450. The limb of the body referred to here is specifically the leg or arm, and this makes it possible to provide stimulation to the leg or arm. Furthermore, if the first device 300 and the second device 400 are attached to the leg, the attachment can be made to the thigh or calf to provide stimulation to the thigh or calf.

On the other hand, when the first device 300 and the second device 400 are connected, as shown in FIG. 2, the end connected by the first connection part 360 becomes the other end when the PU elastic fiber 351 and the PU elastic fiber 451 are connected. Specifically, the first connection part 360 connects to the second connection part 460 provided at the end of the PU elastic fiber 451. The longitudinal length of the PU elastic fiber 351 and the PU elastic fiber 451 when connected corresponds to the circumference of the torso of the body.

Therefore, when the first device 300 and the second device 400 are connected, the first belt 350 and the second belt 450 are connected and worn on the torso of the body. The torso of the body here specifically refers to the abdomen, buttocks or back, and this makes it possible to provide stimulation to the abdomen, buttocks or back. In this way, by separating and connecting the first device 300 and the second device 400, the location to which stimulation is applied can be changed, and the degree of freedom in the location to which stimulation is applied can be increased.

The first body 310 and the second body 410 can be attached to and detached from the first belt 350 and the second belt 450, respectively. The first body 310 and the second body 410 can also be connected to and separated from each other. The structure that realizes this attachment/detachment, connection and separation will be described with reference to Figure 6 onwards.

FIG. 6 is a diagram showing the first main body 310 before it is attached to the first belt 350. FIG. 7 is a diagram showing the first main body 310 after it is attached to the first belt 350. The first main body 310 shown in FIG. 6 has an attachment mechanism 341. The first belt 350 is provided with an attachment portion 354. The attachment portion 354 has the first electrodes 320-1 and 320-2, the second electrodes 330-1 and 330-2, and the attachment mechanism 342. The attachment mechanism 341 has a shape that fits into and is fixed to the attachment mechanism 342. By fixing the attachment mechanism 341 to the attachment mechanism 342, the first main body 310 is fixed to the attachment portion 354 as shown in FIG. 7.

When the first body 310 is fixed to the mounting portion 354, the internal circuit of the first body 310 is electrically connected to the first electrode 320 and the second electrode 330. In addition, the first electrode 320-2 is in contact with the conductive TPU 352 shown in FIG. 4, and the second electrode 330-2 is in contact with the conductive TPU 353 shown in FIG. 4. This allows the conductive TPU 352 to function as part of the first electrode 320, and the conductive TPU 353 to function as part of the second electrode 330.

FIG. 8 is a diagram showing the second main body 410 before it is attached to the second belt 450. FIG. 9 is a diagram showing the second main body 410 after it is attached to the second belt 450. The second main body 410 shown in FIG. 8 has an attachment mechanism 441. The second belt 450 is provided with an attachment portion 454. The attachment portion 454 has the third electrodes 420-1 and 420-2, the fourth electrodes 430-1 and 430-2, and the attachment mechanism 442. The attachment mechanism 441 has a shape that is fitted and fixed to the attachment mechanism 442 by sliding it along the attachment mechanism 442. By fixing the attachment mechanism 441 to the attachment mechanism 442, the second main body 410 is fixed to the attachment portion 454 as shown in FIG. 9.

When the second body 410 is fixed to the mounting portion 454, the internal circuit of the second body 410 is electrically connected to the third electrode 420 and the fourth electrode 430. In addition, the third electrode 420-1 is in contact with the conductive TPU 452 shown in FIG. 4, and the fourth electrode 430-1 is in contact with the conductive TPU 453 shown in FIG. 4. As a result, the conductive TPU 452 functions as part of the third electrode 420, and the conductive TPU 453 functions as part of the fourth electrode 430.

In the examples of Figures 6 and 8, the mounting portion 354 and the mounting portion 454 are shown to have the same shape, but this is not limited thereto, and they may have different shapes. The point is that the first body 310 can be fixed to the mounting portion 354, and the second body 410 can be fixed to the mounting portion 454.

The stimulation device 200 can freely control the potential of each of the first electrode 320, the second electrode 330, the third electrode 420, and the fourth electrode 430 described above by operating the circuit of the first body 310 and the circuit of the second body 410 separately or in conjunction with each other. The polarity of each electrode according to the potential controlled by the stimulation device 200 will be described with reference to Figures 10 and 11.

FIG. 10 is a diagram showing the polarity of each electrode when separated. When the first device 300 and the second device 400 are separated, the first body 310 applies a voltage that increases the potential of the first electrode 320 and decreases the potential of the second electrode 330 compared to the potential of the first electrode 320. As a result, when the first device 300 is separated from the second device 400, a current flows from the first electrode 320 through the body to the second electrode 330. In this case, as shown in FIG. 10, the first electrode 320 becomes a positive electrode and the second electrode 330 becomes a negative electrode.

The second body 410 also applies a voltage that increases the potential of the third electrode 420 and decreases the potential of the fourth electrode 430 compared to the potential of the third electrode 420. As a result, when the second device 400 is separated from the first device 300, a current flows from the third electrode 420 through the body to the fourth electrode 430. In this case, as shown in FIG. 10, the third electrode 420 becomes a positive electrode and the fourth electrode 430 becomes a negative electrode.

FIG. 11 is a diagram showing the polarity of each electrode when connected. When the first device 300 and the second device 400 are connected, the first body 310 and the second body 410 are electrically connected and can operate in conjunction with each other. For example, the first body 310 and the second body 410 perform a first application process to apply a voltage that increases the potential of the first electrode 320 and decreases the potential of the fourth electrode 430 compared to the potential of the first electrode 320. The first body 310 and the second body 410 also perform a second application process to apply a voltage that increases the potential of the third electrode 420 and decreases the potential of the second electrode 330 compared to the potential of the third electrode 420.

In other words, when the first device 300 and the second device 400 are linked, they are electrically connected to each other, and alternate between a first application process in which a current flows from the first electrode 320 through the body to the fourth electrode 430, and a second application process in which a current flows from the third electrode 420 through the body to the second electrode 330. In this case, in the first application process, the first electrode 320 is the positive electrode and the fourth electrode 430 is the negative electrode, as shown in FIG. 11(a). Also, in the second application process, the third electrode 420 is the positive electrode and the second electrode 330 is the negative electrode, as shown in FIG. 11(b).

When the first device 300 and the second device 400 are separated from each other, the current is passed as described above to stimulate the part of the body between the first electrode 320 and the second electrode 330, and stimulate the part of the body between the third electrode 420 and the fourth electrode 430. When the first device 300 and the second device 400 are connected to each other, the first application process and the second application process are repeated in sequence to stimulate the part of the body between the first electrode 320 and the fourth electrode 430, and stimulate the part of the body between the third electrode 420 and the second electrode 330. In this way, by separating and connecting the first device 300 and the second device 400, the part of the body to be stimulated can be changed between when separated and when connected.

Furthermore, when the first device 300 and the second device 400 are connected, they can be operated in coordination. The first application process and the second application process described above are an example of coordinated operation. It is also possible for the two devices not to be coordinated when connected, but in that case, it is difficult to apply voltage in a timed manner to the electrodes of the first device 300 and the electrodes of the second device 400, as in the first application process and the second application process. In this way, the effect of stimulation when connected can be increased when the two devices are operated in coordination, compared to when they operate without coordination.

Next, a method for connecting the first device 300 and the second device 400 will be described.
Fig. 12 is a diagram showing a method of connecting the first device 300 and the second device 400. Fig. 13 is a diagram showing the fitting portion 311. Fig. 14 is a diagram showing the fitting portion 411. The facing surfaces of the first body 310 and the second body 410 are provided with the fitting portion 311 and the fitting portion 411 that fit and fix to each other. The fitting portion 311 includes a hole portion 312 and a terminal portion 313. The fitting portion 411 includes a protrusion portion 412 and a terminal portion 413.

When the first body 310 is fixed and the second body 410 is slid in the connection direction A1, the fitting portion 311 and the fitting portion 411 fit into each other as the protrusion 412 fits into the hole 312. The connection direction A1 forms an angle of 90 degrees with the pulling directions A11 and A12 when the first belt 350 and the second belt 450 are pulled in opposite directions to pull the connected first device 300 and second device 400 apart. The pulling directions A11 and A12 roughly correspond to the direction of the force applied to the fitting portion 311 and the fitting portion 411 when the first device 300 and the second device 400 are connected and worn on the torso of the body.

When the mating portion 311 and the mating portion 411 are mated, the first body 310 and the second body 410 are connected, and as a result, the first device 300 and the second device 400 are also connected. The mating portion 311 and the mating portion 411 are respectively provided with a terminal portion 313 that connects to the circuit of the first body 310 and a terminal portion 413 that connects to the circuit of the second body 410, and when the mating portion 311 and the mating portion 411 are mated, the terminal portion 313 and the terminal portion 413 come into contact, electrically connecting the circuit of the first body 310 and the circuit of the second body 410.

FIG. 15 is a diagram showing a method for separating the first device 300 and the second device 400. The mating portion 311 has separation switches 314 shown in FIG. 13 at the location indicated by arrow A3, and pressing these separation switches 314 makes it possible to slide the second body 410 in a separation direction A2 opposite to the connection direction A1. When the second body 410 is slid in the separation direction A2, the mating portion 311 and the mating portion 411 are disengaged, and the first body 310 and the second body 410 are separated, and as a result, the first device 300 and the second device 400 are also separated.

In this way, the first device 300 and the second device 400 are separated by applying a force in the separation direction A2, which is a different direction from the pulling directions A11 and A12, which are the directions of the force applied to the connection points of the first device 300 and the second device 400 when they are connected and attached to the torso of the body. According to this embodiment, it is possible to make the connection between the connected first device 300 and the second device 400 less likely to come loose when attached to the body, compared to a structure in which the first device 300 and the second device 400 separate when a force is applied in the pulling directions A11 and A12.

In the examples of Figures 12 and 15, for the sake of convenience, the direction in which the first body 310 is fixed and the second body 410 is slid is set as the connection direction A1 and the separation direction A2, but the connection direction and the separation direction are relative directions, and the direction in which the second body 410 is fixed and the first body 310 is slid can also be set as the connection direction and the separation direction.

It is desirable that the angle (hereinafter referred to as the "slide angle") between the direction in which one of the first body 310 and the second body 410 is slid and the direction in which the other body is pulled is 90 degrees or less. If this slide angle is greater than 90 degrees, part of the force applied in the pull direction A11 or A12 will be applied in the separation direction, making the connection more likely to come off than when the slide angle is 90 degrees or less. In other words, when the slide angle is 90 degrees or less, the connection is less likely to come off than when the slide angle is greater than 90 degrees.

[Third embodiment]
In the example of Figure 2, the stimulation device 200 controls the potential so that the first electrode 320 and the third electrode 420 are positive electrodes and the second electrode 330 and the fourth electrode 430 are negative electrodes, as shown in Figures 10 and 11, but this is not limited to this.

FIG. 16 is a diagram showing another example of potential control when connected. In the stimulation device 200 shown in FIG. 16, when the first device 300 and the second device 400 are connected, the first electrode 320 and the second electrode 330 are electrically connected to give both electrodes the same polarity (positive electrodes in the example of FIG. 16), and the third electrode 420 and the fourth electrode 430 are electrically connected to give both electrodes the same polarity (negative electrodes in the example of FIG. 16).

The circuit of the first body 310 is capable of controlling the electrical connection between the first electrode 320 and the second electrode 330 of the first device 300. For example, when the first device 300 and the second device 400 are separated, the circuit of the first body 310 controls the first electrode 320 and the second electrode 330 to be in an electrically unconnected state, and when the first device 300 and the second device 400 are connected, the circuit of the first body 310 controls the first electrode 320 and the second electrode 330 to be in an electrically connected state.

Similarly, the circuit of the second body 410 is capable of controlling the electrical connection of the third electrode 420 and the fourth electrode 430 of the second device 400. For example, when the first device 300 and the second device 400 are separated, the circuit of the second body 410 controls the third electrode 420 and the fourth electrode 430 to be in an electrically disconnected state, and when the first device 300 and the second device 400 are connected, the circuit of the second body 410 controls the third electrode 420 and the fourth electrode 430 to be in an electrically connected state.

By controlling the connection between the electrodes as described above, the first body 310 and the second body 410 can apply a voltage in the same manner as described in FIG. 2 etc. when the first device 300 and the second device 400 are separated. On the other hand, when the first device 300 and the second device 400 are connected, the first body 310 and the second body 410 apply a voltage in a manner different from the manner described in FIG. 2 etc.

In the example of FIG. 2 etc., a first application process in which a voltage is applied to lower the potential of the fourth electrode 430 compared to the potential of the first electrode 320, and a second application process in which a voltage is applied to lower the potential of the second electrode 330 compared to the potential of the third electrode 420, are alternately and repeatedly performed.

In contrast, in the example of FIG. 16, for example, the first body 310 executes a third application process of applying a voltage that increases the potential of the first electrode 320 and the second electrode 330, and in parallel with this, the second body 410 executes a fourth application process of applying a voltage that decreases the potential of the third electrode 420 and the fourth electrode 430. As a result, when the first device 300 and the second device 400 are connected, a current flows from the first electrode 320 and the second electrode 330 through the body to the third electrode 420 and the fourth electrode 430.

In the case of the first and second application processes, the two processes are executed alternately, and therefore it is necessary to coordinate the execution timing. However, in the case of the third and fourth application processes, it is not necessary to coordinate the execution timing of the two processes, and both processes can be executed in parallel. However, for example, in order to control the difference between the potential of the first electrode 320 and the second electrode 330 and the potential of the third electrode 420 and the fourth electrode 430, it is desirable that the circuit of the first device 300 and the circuit of the second device 400 are electrically connected. According to this aspect, it is possible to change the part of the body to which stimulation is applied.

[Fourth embodiment]
A water supply mechanism may be provided to supply moisture to the parts of the body where the first device 300 and the second device 400 pass current.

FIG. 17 is a diagram showing an example of a water supply mechanism. The stimulation device 200b shown in FIG. 17 includes a first belt 350b. The first belt 350b includes a water supply section 355 and a hole 356 on the front side (opposite the skin side). The water supply section 355 has a water retention section (a unit including a water supply sponge or a water supply tank, etc.) and retains moisture in the water retention section. The hole 356 is a flow path through which the moisture retained by the water retention section passes. On the back side (skin side) of the first belt 350b, a conductive TPU 353b (i.e., the second electrode 330-3) is provided around the hole 356.

Although not shown, the conductive TPU 352b (i.e., the first electrode 320-3) is also provided with a water supply section 355. The moisture that passes through the holes 356 is supplied between the conductive TPUs 352b and 353b and the body, providing moisture to the part of the body where the first device 300b passes current. The second device 400b may also be provided with a water supply section 355. In this way, the water supply section 355 is configured to supply water to the part of the body where the first device 300b and/or the second device 400b passes electric power.

Some conventional products use conductive rubber in the bioelectrode area, but in order to supply moisture between the conductive rubber and the skin surface, it is necessary to spray moisture into the gap between the electrode surface and the human body, which poses an issue. This operation makes it difficult to adjust the amount of moisture. Also, conductive rubber electrodes are difficult to make using foam materials, making it difficult to increase water retention. With the configuration shown in Figure 17, it is easier to wet the area where electricity flows through the body compared to when water supply unit 355 is not provided.

FIG. 18 is a diagram showing another example of a water supply mechanism. The stimulation device 200c shown in FIG. 18 includes a first belt 350c. The first belt 350c includes a water supply section 355c and a hole section 356c on the front side (opposite the skin side). The water supply section 355c is configured to supply additional moisture between the conductive TPU 353c and the body when operated from the front side (opposite the skin side) of the first belt 350c. This allows the wearer of the stimulation device 200c to add moisture when they feel that they are lacking in moisture.

FIG. 19 is a diagram showing another example of a water supply mechanism. The stimulation device 200d shown in FIG. 19 includes a first belt 350d. The first belt 350d includes a water supply section 355d on the front side (opposite the skin side). The water supply section 355d is configured to deform when operated from the front side (opposite the skin side) of the first belt 350c, so as to be able to supply more water between the conductive TPU 353d and the body. This allows the wearer of the stimulation device 200d to put the water supply section 355d into a state in which it supplies more water when they feel that they are lacking in water.

[Other embodiments]
In the second embodiment, the first device 300 and the second device 400 are electrically connected to each other and cooperate in the operation of passing a current, but the method of cooperation between the two devices is not limited to the above method. For example, the first device 300 and the second device 400 may cooperate in the timing of starting or shutting down the devices, or in the case where the strength of a current is periodically changed, may cooperate in the timing of the change.

In addition, the first device 300 and the second device 400 stimulate the body by passing an electric current through the body, but the method of stimulating the body is not limited to this. The first device and the second device may stimulate the body by, for example, applying vibrations to the contact points using a contact part that performs a reciprocating or rotational motion, or may stimulate the body by applying magnetic force, light, heat, ultrasound, or the like. Note that the method of applying stimulation using an electric current has the advantage that it is easier to use in conjunction with exercise than, for example, a method of applying vibrations to the body.

In addition, while the first device 300 and the second device 400 stimulate the body while being in close contact with the body, there is also a method of stimulating the body without contact. The first device and the second device can stimulate the body without contact, for example, by irradiating the aforementioned infrared rays or laser. By making it a non-contact type, the effort of cleaning the contact area is eliminated compared to the contact type. On the other hand, the contact type makes it easier to apply a stronger stimulus than the non-contact type. In the case of the contact type, it is desirable to wear it on the body with a belt or the like like the stimulating device 200, but wearing it is not essential, and it may be a handheld device that is held in the hand and placed in close contact with the area to be stimulated.

In addition, when the first device 300 is separated from the second device 400, the first body 310 is directly connected to the first connection part 360 shown in FIG. 2, but a connector (attachment) for connecting to the first connection part 360 may be attached to the first body 310. This connector is attached to the fitting part 311 of the first body 310 shown in FIG. 13. Similarly, when the second device 400 is separated from the first device 300, the second body 410 is directly connected to the second connection part 460 shown in FIG. 2, but a connector (attachment) for connecting to the second connection part 460 may be attached to the second body 410. This connector is attached to the fitting part 411 of the second body 410 shown in FIG. 14.

Furthermore, the above-described embodiments and modifications may be combined in any desired manner.
Furthermore, it may be provided in the following aspects:

(1) A stimulation device comprising a first device for providing a stimulation to the body and a second device for providing a stimulation to the body, the first device and the second device being capable of being connected and separated.

This type of configuration allows for greater freedom in choosing where stimulation is applied.

(2) The stimulation device described in (1) above, in which the first device and the second device can be operated in conjunction with each other when connected.

This embodiment can enhance the effect of stimulation when connected.

(3) A stimulation device according to (1) or (2) above, in which the first device and the second device stimulate the body while being in close contact with the body.

This type of configuration makes it easier to deliver a stronger stimulus.

(4) In the stimulation device described in (3) above, the first device and the second device stimulate the body by passing an electric current through the body.

This type of feature makes it easier to use in conjunction with exercise.

(5) A stimulation device according to any one of (1) to (4) above, wherein the first device has a first electrode and a second electrode, and when separated from the second device, a current flows from the first electrode through the body to the second electrode, and the second device has a third electrode and a fourth electrode, and when separated from the first device, a current flows from the third electrode through the body to the fourth electrode.

In this manner, stimulation can be applied to a different area upon separation.

(6) A stimulation device according to any one of (1) to (5) above, wherein the first device has a first electrode and a second electrode, the second device has a third electrode and a fourth electrode, and when the first device and the second device are coupled together, they are electrically connected to each other and a current flows from the first electrode and the second electrode through the body to the third electrode and the fourth electrode.

In this manner, it is possible to change the part of the body to which stimulation is applied.

(7) The stimulation device described in (6) above, in which, when the first device and the second device are connected, the first electrode is electrically connected to the second electrode, and the third electrode is electrically connected to the fourth electrode.

(8) A stimulation device according to any one of (1) to (7) above, wherein the first device has a first electrode and a second electrode, and when separated from the second device, passes a current from the first electrode through the body to the second electrode, and the second device has a third electrode and a fourth electrode, and when separated from the first device, passes a current from the third electrode through the body to the fourth electrode, and when connected, the first device and the second device are electrically connected to each other, and alternately repeat a first application process of passing a current from the first electrode through the body to the fourth electrode and a second application process of passing a current from the third electrode through the body to the second electrode.

In this manner, it is possible to change the part of the body to which stimulation is applied.

(9) A stimulation device according to any one of (1) to (8) above, wherein the first device has a first belt and is attached to a limb of the body by the first belt, the second device has a second belt and is attached to a limb of the body by the second belt, and when the first device and the second device are connected, the first belt and the second belt are connected and the stimulation device is attached to the torso of the body.

In this manner, the location where the stimulation is applied can be changed.

(10) The stimulation device described in (9) above, wherein the torso is the abdomen, buttocks, or back.

In this manner, stimulation can be applied to the abdomen, buttocks, or back.

(11) The stimulation device described in (9) above, wherein the limb is a leg or an arm.

In this manner, stimulation can be applied to the legs or arms.

(12) The stimulation device described in (10) above, wherein the leg is a thigh or a calf.

In this manner, it is possible to stimulate the thighs or calves.

(13) A stimulation device as described in (10) above, in which the first device and the second device are separated by applying a force in a direction different from the direction of the force applied to the connection point of the first device and the second device when the first device and the second device are connected and attached to the torso of the body.

This type of configuration makes it difficult for the connection to come loose when attached.

(14) The stimulation device described in (4) above, further comprising a water supply unit, the water supply unit being configured to supply water to a portion of the body through which the first device or the second device supplies electricity.

According to this embodiment, the part of the body through which electric power flows can be easily wetted.
Of course, this is not the case.

Finally, although various embodiments of the present invention have been described, these are presented as examples and are not intended to limit the scope of the invention. The novel embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the gist of the invention. The embodiments and their modifications are included within the scope and gist of the invention, and are included in the scope of the invention and its equivalents as set forth in the claims.

100: EMS device, 200: Stimulation device, 300: First device, 310: First main body, 311: Fitting portion, 312: Hole portion, 313: Terminal portion, 314: Separation switch, 320: First electrode, 320-1: First electrode, 320-2: First electrode, 320-3: First electrode, 330: Second electrode, 330-1: Second electrode, 330-2: Second electrode, 330-3: Second electrode, 341: Detachment mechanism, 342: Detachment mechanism, 350: First belt, 351: PU elastic fiber, 352: Conductive TPU, 353: Conductive TP U, 354: mounting part, 355: water supply part, 356: hole part, 360: first connection part, 400: second device, 410: second main body, 411: fitting part, 412: protrusion part, 413: terminal part, 420: third electrode, 420-1: third electrode, 420-2: third electrode, 430: fourth electrode, 430-1: fourth electrode, 430-2: fourth electrode, 441: detachment mechanism, 442: detachment mechanism, 450: second belt, 451: PU elastic fiber, 452: conductive TPU, 453: conductive TPU, 454: mounting part, 460: second connection part

Claims (14)

A stimulation device comprising:
A first device for providing a stimulus to the body;
and a second device for applying a stimulus to the body;
The first device and the second device are capable of being coupled and separated.
Stimulation device. The stimulation device according to claim 1 ,
When the first device and the second device are coupled, they can be operated in conjunction with each other.
Stimulation device. The stimulation device according to claim 1 or 2,
The first device and the second device apply a stimulus to the body while being in close contact with the body.
Stimulation device. The stimulation device according to claim 3,
The first device and the second device provide stimulation by passing an electric current through a body.
Stimulation device. In the stimulation device according to any one of claims 1 to 4,
the first device has a first electrode and a second electrode;
When separated from the second device, passing a current from the first electrode through the body to the second electrode;
the second device has a third electrode and a fourth electrode;
When separated from the first device, passing a current from the third electrode through the body to the fourth electrode.
Stimulation device. In the stimulation device according to any one of claims 1 to 5,
the first device has a first electrode and a second electrode;
the second device has a third electrode and a fourth electrode;
the first device and the second device, when coupled, are electrically connected to each other;
Passing a current from the first electrode and the second electrode through the body to the third electrode and the fourth electrode;
Stimulation device. The stimulation device according to claim 6,
In a state in which the first device and the second device are connected,
The first electrode and the second electrode are electrically connected to each other;
electrically connecting the third electrode and the fourth electrode;
Stimulation device. In the stimulation device according to any one of claims 1 to 7,
the first device has a first electrode and a second electrode;
When separated from the second device, passing a current from the first electrode through the body to the second electrode;
the second device has a third electrode and a fourth electrode;
When separated from the first device, passing a current from the third electrode through the body to the fourth electrode;
the first device and the second device, when coupled, are electrically connected to each other;
a first application process of passing a current from the first electrode through the body to the fourth electrode;
and a second application process for flowing a current from the third electrode through the body to the second electrode.
Stimulation device. In the stimulation device according to any one of claims 1 to 8,
the first device has a first belt and is attached to a body limb by the first belt;
the second device has a second belt and is attached to a body limb by the second belt;
When the first device and the second device are connected to each other, the first belt and the second belt are connected to each other and worn on the torso of the body.
Stimulation device. The stimulation device according to claim 9,
The torso is the abdomen, buttocks or back;
Stimulation device. The stimulation device according to claim 9,
The limb is a leg or an arm.
Stimulation device. The stimulation device according to claim 10,
The leg is a thigh or a calf.
Stimulation device. The stimulation device according to claim 10,
The first device and the second device are separated by applying a force in a direction different from the direction of the force applied to the connection point of the first device and the second device when the first device and the second device are connected and attached to the torso of the body.
Stimulation device. In the stimulation device according to any one of claims 4 to 8,
Equipped with a water supply section,
The water supply unit is configured to supply water to a portion of the body through which the first device or the second device supplies electric power.
Stimulation device.

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