WO2022107946A1

WO2022107946A1 - Wirelessly rechargeable electroceuticals for epilepsy treatment, and control method therefor

Info

Publication number: WO2022107946A1
Application number: PCT/KR2020/016555
Authority: WO
Inventors: 이현웅
Original assignee: 오션스바이오 주식회사
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2022-05-27

Abstract

The present invention relates to wirelessly rechargeable electroceuticals for an epilepsy treatment, the electroceuticals being embedded under the skin to provide an electrical stimulus to nerves, and comprising: a housing including a metal that has an electromagnetic wave shielding function, and forming the exterior thereof; an electrical stimulus generation unit, which is provided inside the housing and generates an electrical stimulus to be provided to nerves; a battery, which supplies a current to the electrical stimulus generation unit and can be repeatedly charged; a power reception unit which is provided inside the housing, and which converts a magnetic field generated by means of an external wireless charger into a current to supply the current to the battery; and a magnetic field passing film which is provided at one portion of the upper surface of the housing to face the power reception unit, and which allows the magnetic field generated by means of the external wireless charger to pass into the housing.

Description

Electronic drug for epilepsy treatment capable of wireless charging and its control method

The present invention relates to an electronic drug for epilepsy treatment capable of wireless charging and a method for controlling the same.

Electronic medicine is a compound word of electronics and pharmaceuticals, and refers to an electronic device that treats diseases by controlling electrical signals generated in the brain and nerve cells.

In the early days, simple implantable medical devices such as pacemakers were the mainstay, but recently, they are evolving into electronic devices that stimulate nerve tissue to treat chronic diseases such as epilepsy, diabetes, arthritis, and high blood pressure.

The e-medication is embedded under the skin, and only a specific part that needs treatment is selected and stimulated, so side effects can be minimized, and in case of emergency, the drug effect can be stopped immediately.

However, in the case of currently developed electronic drugs, most of them use primary batteries, so they need to be periodically pulled out of the body to replace the batteries. There are downsides to having to.

This not only complicates management, but also involves a problem with a high probability of nerve damage because the process of implanting and withdrawing the electronic drug directly connected to the nerve has to be repeated.

In particular, in the case of e-medication used for epilepsy treatment, it is a reality that concerns about this problem are increasing because it is directly connected to the vagus nerve.

The present invention has been devised to solve the problems of the prior art, and an object of the present invention is to provide an electronic medicine capable of wireless charging.

In addition, an object of the present invention is to prevent the components that provide electrical stimulation to nerves from being disturbed by electromagnetic waves generated by a wireless charger in the wireless charging process of an electronic drug.

According to an embodiment of the present invention, there is provided an electronic drug for epilepsy treatment that is embedded subcutaneously to provide electrical stimulation to nerves and can be wirelessly charged, comprising: a housing comprising a metal having an electromagnetic wave shielding function and forming an appearance; an electrical stimulation generator provided inside the housing and generating electrical stimulation provided to nerves; a battery that supplies a current to the electrical stimulation generator and can be repeatedly charged; a power receiver provided inside the housing, converting a magnetic field generated by an external wireless charger into current and supplying it to the battery; and a magnetic field transmission film provided on a portion of the upper surface of the housing to face the power receiver and transmitting the magnetic field generated by the external wireless charger into the housing; A therapeutic e-medication may be provided.

In an exemplary embodiment, the housing is provided as a barrier rib for isolating the power receiver, the inner shield comprising a metal having an electromagnetic wave shielding function; may further include.

In an exemplary embodiment, the edge of the magnetic field transmission layer may be located above the inner space formed by the inner shield.

In an exemplary embodiment, the power receiver includes a coil having both ends connected to the battery and converting a magnetic field into a current; and a base for fixing the coil, wherein the inner shield has shield through-holes through which both ends of the coil pass, and is provided in the shield through-hole, and electromagnetic waves pass through the shield through-hole to the outside of the inner shield It may further include a; auxiliary shielding member to prevent leakage into the space.

In an exemplary embodiment, it is provided inside the housing, the EMI filtering module for filtering the noise generated by the external wireless charger; may further include.

In an exemplary embodiment, the EMI filtering module may be located between the electrical stimulation generator and the battery.

In an exemplary embodiment, the electric stimulation generating unit is an electronic medicine for epilepsy treatment capable of wireless charging, characterized in that the operation is automatically stopped when the wireless charging starts.

In an exemplary embodiment, the metal having the electromagnetic wave shielding function may include alumina ceramic (Al203) or titanium (Ti).

In an exemplary embodiment, the magnetic field transmission film may include at least one of Teflon, polyurethane, and silicon (Si), acrylic resin (acrylic), nylon (Nylon).

The present invention has the effect of providing an electronic drug capable of wireless charging.

In addition, the present invention has an effect of preventing the components that provide electrical stimulation to nerves from being disturbed by electromagnetic waves generated by the wireless charger during the wireless charging process of the electronic drug.

1 is a top view of an electronic drug for epilepsy treatment capable of wireless charging according to an embodiment of the present invention.

Figure 2 shows a state in which the upper part, which is a component of the housing of the electronic drug for epilepsy treatment capable of wireless charging, is removed.

3 is a block diagram showing detailed configurations of the electronic drug for epilepsy treatment capable of wireless charging.

Figure 4 shows the wireless charging in the state that the wireless charging is possible for the epilepsy treatment e-medication is embedded subcutaneously.

5 is a control method of the electronic drug for epilepsy treatment capable of wireless charging, and shows a flow in which the electrical stimulation generator is controlled.

Hereinafter, various embodiments of the present invention will be described with reference to the drawings.

First, with reference to FIG. 1 , an electronic drug 1 for epilepsy treatment capable of wireless charging according to an embodiment of the present invention will be described.

The electronic drug 1 is embedded under the skin to provide electrical stimulation to the nerve, thereby controlling the process of electrical transmission abnormally generated in the nerve due to epilepsy.

To this end, the electronic drug 1 may include a housing 11 forming an exterior, and the housing 11 may include an upper part 111 and a lower part 112 .

The upper part 111 and the lower part 112 may be made of a metal that shields electromagnetic waves and is non-toxic to the human body, and the metal may include at least one of alumina ceramic (Al203) and titanium (Ti). can

Accordingly, it is possible to prevent a problem that electromagnetic waves generated during wireless charging are transmitted to the inside of the human body through the housing.

In addition, the electronic drug 1 is provided on a portion of the upper surface of the upper part 111 of the housing, and further includes a magnetic field transmission film 12 that transmits a magnetic field generated by the external wireless charger into the housing. and specific functions and structures thereof will be described later with reference to FIG. 2 .

FIG. 2 shows a state in which the upper part 111 is removed from the lower part 112 , and through this, the components provided in the housing 11 can be confirmed.

Specifically, the electronic drug 1 is provided inside the housing 11 and supplies power to the electrical stimulation generating unit 5 that generates electrical stimulation provided to the nerve, and the electrical stimulation generating unit 5 and repeatedly A battery 7 provided as a rechargeable battery capable of phosphorus charging, and a power receiver 6 provided inside the housing 11 and converting a magnetic field generated by an external wireless charger into current and supplying the battery to the battery. have.

The power receiver 6 has both ends connected to the battery 7 and may include a coil 61 that converts a magnetic field into an electric current, and a base 62 that fixes the coil 61, and thus, outside the human body. When the wireless charger generates a magnetic field, a current may be generated in the coil 61 by electromagnetic induction.

To this end, the magnetic field transmission film 12 may be provided with at least any one of Teflon and polyurethane on silicon (Si), acrylic resin, nylon (Nylon) that transmits a magnetic field, It may be provided in a portion of the upper part 111 of the housing 11 to face the coil 61 .

This has an excellent effect of preventing disturbance by preventing the magnetic field generated by wireless charging from being focused only on the coil 61 and not affecting other components, and furthermore, a problem that nerves may be abnormally stimulated by system disturbance to prevent

On the other hand, the electronic medicine 1 may further include an inner shield 13 provided as a partition wall for isolating the power receiver 6 inside the housing 11 , and the inner shield 13 is the housing 11 . It may be provided with the same metal as (11).

Specifically, the inner shield 13 may be fixed to the lower part 112 or the upper part 111 of the housing 11, and may be integrally formed with the lower part 112 or the upper part 111. may be

In addition, the edge of the magnetic field transmission film 12 may be positioned above the inner space formed by the inner shield 13 .

This has the effect of preventing the magnetic field introduced through the magnetic field transmission film 12 from affecting other components.

The inner shield 13 may have a shield through hole 13a through which both ends of the coil 61 pass, and both ends of the coil 61 passing through the shield through hole 13a are connected to the battery 7 ) can be associated with

In this case, even if the shield through hole 13a is formed narrowly, a magnetic field may leak into the outer space of the inner shield 13 through some remaining gaps.

Therefore, the electronic drug 1 according to an embodiment of the present invention is provided to fix the coil 61 to the shield through hole 13a, and electromagnetic waves are transmitted through the shield through hole 13a to the inner shield ( 13) may further include an auxiliary shielding member 9 to prevent leakage into the external space.

The auxiliary shielding member 9 may be made of a material that shields electromagnetic waves such as alumina ceramic (Al203) and titanium (Ti) or carbon nanotube (CNT), and a coil 61 in the manufacturing process of the electronic drug 1 may be fixed to the shield through-hole 13a after the arrangement of the shield is completed.

The electronic medicine 1 is provided inside the housing 11, and may further include an EMI filtering module 8 for filtering noise generated by the external wireless charger.

The EMI filtering module is located between the battery 7 and the power receiver 6, but can be connected to the middle of the coil 61, and can remove various noises mixed in the power frequency.

The electronic medicine 1 may further include a PCB (P) for control, and the PCB is on the opposite side of the power receiver 6 with the battery 7 and the electrical stimulation generating unit 5 interposed therebetween. can be provided.

This is to prevent the sensitive PCB from being disturbed by an external magnetic field.

3 is a block diagram of the internal components of the electronic medicine 1, wherein the electronic medicine 1 includes a control unit 3 that controls the memory 4 and

other components

5, 6, 7 and 8. may include more.

The control unit 3 and the memory 4 may be provided on the PCB (P).

4 illustrates a process in which the electronic medicine 1 is embedded in the lower part of the skin S, and is charged by the wireless charger C in the embedded state.

At this time, in the process of being charged by an external wireless charger (C), the process of transmitting electrical stimulation to nerves may be temporarily stopped for safety, and when wireless charging is completed, electricity is again transmitted through the electrical stimulation transmission line (14) Stimuli can be transmitted.

Figure 5 shows a flow that is resumed after the electrical stimulation generating unit (5) is stopped.

The control method according to an embodiment of the present invention includes a step (S1) of determining whether wireless charging has started, a step (S2) of stopping the operation of the electrical stimulation generating unit (5) when wireless charging is started (S2), whether the wireless charging has ended The determining step (S3) and, when the wireless charging is finished, may include a step (S4) of restarting the operation of the electrical stimulation generating unit (5).

Even if the effect is not described in this specification, the present invention may additionally have different effects of each of the above-described components, and derive a new effect that cannot be seen in the prior art according to the organic coupling relationship between each of the above-described components can do.

In addition, the embodiments shown in the drawings may be modified and implemented in other forms, and when implemented including the configuration claimed in the claims of the present invention or implemented within the scope of equivalents, it should be considered to belong to the scope of the present invention. something to do.

Claims

An electronic drug for epilepsy treatment that is embedded under the skin to provide electrical stimulation to nerves and can be charged wirelessly,

A housing comprising a metal having an electromagnetic wave shielding function and forming an exterior;

an electrical stimulation generator provided inside the housing and generating electrical stimulation provided to nerves;

a battery that supplies power to the electrical stimulation generator and can be repeatedly charged;

a power receiver provided inside the housing, converting a magnetic field generated by an external wireless charger into current and supplying it to the battery; and

It is provided on a part of the upper surface of the housing to face the power receiver and transmits the magnetic field generated by the external wireless charger into the housing. for electronic drugs.
According to claim 1,

The electronic medicine for epilepsy treatment capable of wireless charging, characterized in that it further comprises; an inner shield provided as a partition wall to isolate the power receiver inside the housing and comprising a metal having an electromagnetic wave shielding function.
3. The method of claim 2,

The edge of the magnetic field transmission film is

Electronic medicine for epilepsy treatment capable of wireless charging, characterized in that it is located above the inner space formed by the inner shield.
3. The method of claim 2,

The power receiver

a coil having both ends connected to the battery and converting a magnetic field into an electric current; and

Including; a base for fixing the coil;

The inner shield has a shield through hole through which both ends of the coil pass,

An auxiliary shielding member provided in the shield through-hole and preventing electromagnetic waves from leaking into the outer space of the inner shield through the shield through-hole;
According to claim 1,

The electrical stimulation generating unit

Electronic medicine for epilepsy treatment capable of wireless charging, characterized in that the operation stops when wireless charging starts.
According to claim 1,

The electronic medicine for epilepsy treatment capable of wireless charging, further comprising; an EMI filtering module that is provided inside the housing and filters the noise generated by the external wireless charger.
7. The method of claim 6,

The EMI filtering module is

An electronic drug for epilepsy treatment capable of wireless charging, characterized in that it is located between the battery and the power receiver.
According to claim 1,

The metal having the electromagnetic wave shielding function is

Electronic medicine for epilepsy treatment capable of wireless charging, characterized in that it contains alumina ceramic (Al203) or titanium (Ti).
According to claim 1,

The magnetic field transmission film is

An electronic drug for epilepsy treatment capable of wireless charging, characterized in that it contains at least one of Teflon and polyurethane in silicone (Si), acrylic resin (acrylic), nylon (Nylon).