CN118432304A

CN118432304A - Charging alignment method of charger and related equipment

Info

Publication number: CN118432304A
Application number: CN202410516464.1A
Authority: CN
Inventors: 陆治勇; 戴春晓
Original assignee: Jingyu Medical Technology Suzhou Co ltd
Current assignee: Jingyu Medical Technology Suzhou Co ltd
Priority date: 2024-04-26
Filing date: 2024-04-26
Publication date: 2024-08-02

Abstract

The invention discloses a charging alignment method of a charger and related equipment, wherein the charger is used for charging an implanted equipment, the implanted equipment comprises a receiving coil and a rechargeable battery, the receiving coil is matched with a transmitting coil of the charger to complete charging of the rechargeable battery, and the method comprises the following steps: responding to the charging alignment state, the charger sends charging data to the implanted device in a first working mode, and acquires current information of a transmitting coil according to a first broadcast interception frequency; responding to the current information not lower than a preset threshold, reminding that alignment is successful, and adjusting the broadcast interception frequency of the charger to a second broadcast interception frequency, wherein the first broadcast interception frequency is larger than the second broadcast interception frequency; through accurate counterpoint, frequency optimization, intelligent adjustment working mode and individualized preset threshold value, the user is provided with high-efficient, safe, convenient experience that charges.

Description

Charging alignment method of charger and related equipment

Technical Field

The invention relates to the technical field of medical equipment, in particular to a charging alignment method of a charger and related equipment.

Background

Currently, class iii active implanted neurostimulators rely primarily on rechargeable battery power after human implantation, and this solution helps reduce stimulator size, thereby reducing patient surgical trauma and discomfort. However, for wireless charging of the neural stimulator, conventional technical methods such as magnetic attraction, structural alignment, position detection, etc. are difficult to be practically applied in human body due to limitations of magnetic resonance compatibility and special working environments.

Without the ideal transmit and receive coil alignment method, patient handling becomes difficult and inaccurate alignment can directly impact wireless charging efficiency. In addition, because the outer shell of the nerve stimulator is generally encapsulated by titanium alloy, the metal titanium shell can generate a problem of rapid temperature rise in an alternating charging magnetic field, and the temperature is beyond the protection range of the temperature, thereby affecting the charging time and the charging efficiency of the system. When the transmit and receive coils are poorly aligned, the system may quickly enter a protection procedure, resulting in an inability to properly charge the neurostimulator.

Disclosure of Invention

The invention aims to provide a charging alignment method of a charger and related equipment, which are used for providing efficient, safe and convenient charging experience for users through accurate alignment, frequency optimization, intelligent adjustment of working modes and personalized preset thresholds.

The invention adopts the following technical scheme:

the application provides a charging alignment method of a charger, the charger is used for charging an implantable device, the implantable device comprises a receiving coil and a chargeable battery, the receiving coil is matched with a transmitting coil of the charger to complete charging of the chargeable battery, the method comprises the following steps:

Responding to the charging alignment state, the charger sends charging data to the implanted device in a first working mode, and acquires current information of a transmitting coil according to a first broadcast interception frequency;

And responding to the current information not lower than a preset threshold, reminding that the alignment is successful, and adjusting the broadcast interception frequency of the charger to a second broadcast interception frequency, wherein the first broadcast interception frequency is larger than the second broadcast interception frequency.

Preferably, the charging alignment method of the charger, the first broadcast interception frequency is determined by the following steps:

Acquiring hardware configuration information of the charger, wherein the hardware configuration information at least comprises broadcast interception information;

Determining the maximum broadcast interception frequency of the charger according to the hardware configuration information;

and determining a first broadcast interception frequency according to the maximum broadcast interception frequency and the second broadcast interception frequency, wherein the second broadcast interception frequency is the interception frequency of the charger in a charging state.

Preferably, the charging alignment method of the charger, in response to the charging alignment state, the charger sends charging data to the implantable device in a first operation mode, including:

when the charger approaches the implanted device, the charger enters a charging alignment state;

Determining a distance between the charger and the implantable device according to contact information of the charger and a patient;

determining a first working mode of the charger according to the distance between the charger and the implanted device, wherein the first working mode at least comprises input voltage and/or input frequency;

and controlling the charger to send charging data to the implantable device in the first working mode.

Preferably, the method for aligning charging of the charger, where determining the first working mode of the charger according to the distance between the charger and the implantable device includes:

determining a second working mode of the charger according to the distance between the charger and the implanted device and the corresponding relation between the distance and the mode;

and adjusting the second working mode according to preset conditions to obtain the first working mode, wherein the working parameter mode corresponding to the first working mode is smaller than the working parameter corresponding to the second working mode.

Preferably, the charging alignment method of the charger further comprises:

After the reminding of successful alignment, the charger sends charging data to the implanted device according to a second working mode, wherein the working parameter corresponding to the first working mode is smaller than the working parameter corresponding to the second working mode.

Optionally, the charging alignment method of the charger, the preset threshold is obtained through the following steps:

acquiring position information of the implantable device, wherein the position information comprises position information of the implantable device relative to an external environment or implantation position information of the implantable device;

And determining a preset threshold value of the charger in a first working mode according to the position information and preset charging efficiency, wherein the preset charging efficiency is the lowest conversion efficiency of electric energy between a transmitting coil and a receiving coil.

Preferably, the charging alignment method of the charger determines a preset threshold of the charger in the first working mode according to the position information and the preset charging efficiency, including:

determining the distance between the implanted equipment and the external environment according to the position information of the implanted equipment relative to the external environment;

Determining a critical position of the charger relative to the implanted device according to the distance between the implanted device and the external environment and the preset charging efficiency;

And determining current information of the critical position of the transmitting coil of the charger in the first working mode, and taking the current information as the preset threshold value.

Preferably, the charging alignment method of the charger determines a distance between the implanted device and an external environment according to position information of the implanted device relative to the external environment, including:

determining the distance from the implantable device to the body surface of the patient according to the position information of the implantable device relative to the external environment;

Acquiring environmental information of a patient, wherein the environmental information comprises at least one of the following: body surface clothing information and ambient temperature information;

determining the distance from the charger to the body surface of the patient according to the environmental information;

and determining the minimum distance from the charger to the implantable device according to the distance from the implantable device to the body surface of the patient and the distance from the charger to the body surface of the patient.

Optionally, the charging alignment method of the charger determines a preset threshold of the charger in the first working mode according to the position information and the preset charging efficiency, including:

through initial setting, the charger and the implantable device are completely positioned, and initial maximum current information of a transmitting coil of the charger is obtained in a first working mode;

determining the charging convenience of the implantable device according to the implantation position of the implantable device;

and determining the preset threshold according to the initial maximum current information and the charging convenience.

Preferably, the charging alignment method of the charger further comprises:

if the current information is lower than the preset threshold value; the direction of movement of the charger is alerted.

Preferably, in the charging alignment method of the charger, if the current information is lower than the preset threshold value, reminding the moving direction of the charger; comprising the following steps:

obtaining the corresponding relation between the charger position and the current through historical data;

and determining the moving direction of the charger according to the current and the corresponding relation between the position of the charger and the current.

The application provides a charging alignment device of a charger, the charger is used for charging an implantable device, the implantable device comprises a receiving coil and a chargeable battery, the receiving coil is matched with a transmitting coil of the charger to complete charging of the chargeable battery, the device comprises:

The first determining module is used for responding to the charging alignment state, the charger sends charging data to the implantable device in a first working mode, and current information of the transmitting coil is obtained according to a first broadcasting interception frequency;

And the first adjusting module is used for responding to the fact that the current information is not lower than a preset threshold value, reminding that the alignment is successful, and adjusting the broadcast interception frequency of the charger to a second broadcast interception frequency, wherein the first broadcast interception frequency is larger than the second broadcast interception frequency.

The present application also provides a medical system comprising:

an implantable device disposed within a patient; the implant includes a receiving coil and a rechargeable battery,

The charger comprises a transmitting coil for wirelessly charging the implantable medical device, the receiving coil is matched with the transmitting coil of the charger to complete charging of the rechargeable battery, and the charger realizes charging positioning through the method of any one of the application.

The application also provides an electronic device comprising a memory and a processor, the memory storing a computer program, the processor implementing the steps of any of the methods of the application or the functions of the apparatus of the application when executing the computer program.

The application also provides a computer readable storage medium storing a computer program which when executed by at least one processor performs the steps of any of the methods of the application or performs the functions of the apparatus of the application.

The application also provides a computer program product comprising computer programs/instructions which when executed by a processor implement the steps of any of the methods of the application, or the functions of the apparatus of the application.

Compared with the prior art, the invention has the beneficial effects that at least: by monitoring the current information in real time and adjusting the position of the charger, the accurate alignment between the charger and the implanted device can be ensured, and the rapidity of charging alignment adjustment and the charging accuracy and reliability are improved; the convenience of the charging process is improved; in the alignment process, the charger uses higher broadcast interception frequency to rapidly respond to the change of the current information, and real-time feedback of positioning can be realized, so that rapid movement and rapid positioning are realized; after the alignment is successful, the charger adjusts the broadcast interception frequency from the higher first broadcast interception frequency to the lower second broadcast interception frequency, thereby being beneficial to reducing unnecessary energy consumption and prolonging the service life of the charger.

Drawings

FIG. 1 is a schematic diagram of an electromagnetic induction circuit model according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the movement of a charger according to an embodiment of the present invention;

FIG. 3 is a schematic diagram showing the relative positions of a transmitting coil and a receiving coil according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a charge alignment process according to an embodiment of the invention;

FIG. 5 is a schematic diagram of a charge alignment method of a charger according to an embodiment of the present invention;

Fig. 6 is a schematic diagram of a charging alignment device of a charger according to an embodiment of the invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.

The words expressing the positions and directions described in the present invention are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present invention.

In the following, a brief description of one of the areas of application of an embodiment of the present application (i.e., an implantable device) will be presented. An implantable neurostimulation system (an implantable medical system) mainly includes a stimulator implanted in a patient and a programmable device disposed outside the patient. The existing nerve regulation and control technology mainly comprises the steps of implanting electrodes into specific structures (namely targets) in a body through stereotactic operation, and sending electric pulses to the targets through the electrodes by a stimulator implanted into the body of a patient, so as to regulate and control the electric activities and functions of the corresponding nerve structures and networks, thereby improving symptoms and relieving pains. The stimulator may be any one of an implantable nerve electrical stimulation device, an implantable cardiac electrical stimulation system (also called a cardiac pacemaker), an implantable drug infusion device (Implantable Drug DELIVERY SYSTEM, abbreviated as IDDS), and a lead switching device. Examples of the implantable nerve electrical stimulation device include a deep brain electrical stimulation system (Deep Brain Stimulation, abbreviated DBS), an implantable cortex stimulation system (Cortical Nerve Stimulation, abbreviated CNS), an implantable spinal cord electrical stimulation system (Spinal Cord Stimulation, abbreviated SCS), an implantable sacral nerve electrical stimulation system (SACRAL NERVE Stimulation, abbreviated SNS), an implantable vagal nerve electrical stimulation system (Vagus Nerve Stimulation, abbreviated VNS), and the like.

In some embodiments, the stimulator may include a pulse generator (Implantable Pulse Generator, IPG), an electrode lead, and an extension lead disposed between the pulse generator and the electrode lead through which data interaction of the pulse generator and the electrode lead is accomplished, the pulse generator disposed within the patient. In response to a programming instruction sent by the programming device, controllable electrical stimulation energy is provided to the internal tissue by means of the sealed battery and the circuit, and one or two controllable specific electrical stimulations are delivered to specific areas of the internal tissue through the implanted extension leads and electrode leads. The extension lead is matched with the pulse generator to be used as a transmission medium of the electric stimulation signal, and the electric stimulation signal generated by the pulse generator is transmitted to the electrode lead. The electrode leads deliver electrical stimulation to specific areas of tissue in the body through electrode contacts thereon. The stimulator is provided with one or more electrode leads on one side or two sides, and a plurality of electrode contacts are arranged on the electrode leads.

In other embodiments, the stimulator may include only the pulse generator and the electrode leads. The pulse generator can be embedded on the skull of the patient, the electrode lead is implanted in the skull of the patient, and the pulse generator is directly connected with the electrode lead without extending the lead.

The electrode lead may be a neural stimulation electrode that delivers electrical stimulation to a specific region of tissue in the body through a plurality of electrode contacts. The stimulator is provided with one or more electrode wires on one side or two sides, a plurality of electrode contacts are arranged on the electrode wires, and the electrode contacts can be uniformly arranged or non-uniformly arranged on the circumferential direction of the electrode wires. As an example, the electrode contacts may be arranged in an array of 4 rows and 3 columns (12 electrode contacts in total) in the circumferential direction of the electrode wire. The electrode contacts may include stimulation contacts and/or harvesting contacts. The electrode contact may take the shape of a sheet, ring, dot, or the like, for example.

In some possible ways, the stimulated in vivo tissue may be brain tissue of a patient and the stimulated site may be a specific site of brain tissue. When the type of disease in the patient is different, the location to be stimulated will generally be different, as will the number of stimulation contacts (single or multiple sources) used, the application of one or more (single or multiple channels) specific electrical stimulation signals, and the stimulation parameter data. It is believed that when the stimulus contacts used are multi-source, multi-path (multi-channel), a larger amount of data is generated than with single source, single path.

The embodiment of the application is not limited to the applicable disease types, and can be the disease types applicable to Deep Brain Stimulation (DBS), spinal Cord Stimulation (SCS), pelvic stimulation, gastric stimulation, peripheral nerve stimulation and functional electrical stimulation. Among the types of diseases that DBS may be used to treat or manage include, but are not limited to: spasticity (e.g., epilepsy), pain, migraine, psychotic disorders (e.g., major Depressive Disorder (MDD)), bipolar disorder, anxiety, post-traumatic stress disorder, depression, obsessive Compulsive Disorder (OCD), behavioral disorders, mood disorders, memory disorders, mental state disorders, movement disorders (e.g., essential tremor or parkinson's disease), huntington's disease, alzheimer's disease, drug addiction, autism, or other neurological or psychiatric disorders and impairments.

The stimulation parameters may include: frequency (e.g., in Hz, the number of electrical stimulation pulse signals per unit time 1 s), pulse width (duration of each pulse in mus), amplitude (typically expressed in terms of voltage, i.e., intensity of each pulse in V), timing (e.g., continuous or triggered), stimulation mode (including one or more of current mode, voltage mode, timed stimulation mode, and cyclic stimulation mode), physician upper and lower limits (physician adjustable range), and patient upper and lower limits (patient autonomously adjustable range).

In one specific application scenario, the various stimulation parameters of the stimulator may be adjusted in either current mode or voltage mode.

In the embodiment of the application, the wireless charging alignment method of the implantable device and the related device are described by charging an IPG (implantable pulse generator ) through a charger, and the basic principle of the relationship between the position of a transmitting coil and the current and the charging efficiency is introduced first.

The application provides an implanted wireless charging alignment method, which is used for rapidly and accurately determining alignment conditions of a transmitting coil and a receiving coil when an implanted internal nerve stimulator is charged, prompting an operator to adjust the position to use the rapid alignment of transmitting and receiving, and carrying out high-efficiency charging.

When the implanted type charging alignment is carried out, the transmitting coil is enabled to keep constant output voltage and frequency, the transmitting charging system carries out transmitting coil current detection, when the centers of the transmitting coil and the receiving coil are axially aligned, the output power of the transmitting coil is maximum, namely, the transmitting current is maximum at the moment, namely, the coupling coefficient reaches the maximum, the coupling coefficient is maximum, and the charging efficiency is maximum.

The specific principle is as follows: according to the electromagnetic induction circuit model shown in figure 1,

The following equation is derived from KVL and mutual inductance models:

Wherein Us is an ac voltage; omega is the resonant frequency; i ₁ and I ₂ are the currents of the primary circuit and the secondary circuit, respectively; r ₁ and R ₂ are equivalent resistances respectively; c ₁ and C ₂ are the primary and secondary series resonant capacitors, respectively; l ₁ and L ₂ are the inductances of the primary winding and the secondary winding, respectively; m is mutual inductance; r ₁ is the load, when the primary and secondary are at the same resonant frequency, to reach the optimal resonant state, where ωL ₁＝ωL₂＝1/ωC₁＝1/ωC₂;

simultaneous equation (1) and equation (2) yields: the following formula (3):

the coupling coefficient of the coil is:

the simultaneous expression (3) and the expression (4) can obtain the expression (5):

Wherein η is the charging efficiency; from equation 3, when the charging emission frequency ω, the voltage Us, the system parameters, R ₁,R₂,L₁,L₂,C₁,C₂ are unchanged, M is related to the emission coil current I ₁, and when I ₁ increases, M increases; as I ₁ decreases, M decreases. The change of the current I ₁ of the charging coil can be used for representing the mutual inductance change between the transmitting coil (namely the charging coil) and the receiving coil, so that the change relation of the coupling coefficients of the two coils is obtained; the final response is an efficiency relationship, i.e. when the transmit voltage and frequency are fixed, the current on the transmit coil can reflect the efficiency relationship between the receive coils of the transmit coil. In general, under the condition of determining the distance between two coils, the higher the efficiency is, the more accurate the center alignment of the transmitting coil and the receiving coil is; the charging efficiency can thus be adjusted by adjusting the relative distance between the transmit coil and the receive coil center.

According to the basic principle, the application provides a charging alignment method of a charger, the charger is used for charging an implantable device, the implantable device comprises a receiving coil and a rechargeable battery, the receiving coil is matched with a transmitting coil of the charger to complete charging of the rechargeable battery, and the method comprises the following steps:

When the current information is lower than a preset threshold value, adjusting the position of the charger, prompting successful alignment if the current information is not lower than the preset threshold value, and adjusting the broadcast interception frequency of the charger to a second broadcast interception frequency, wherein the first broadcast interception frequency is smaller than the second broadcast interception frequency.

The working principle of the technical scheme is as follows: based on the electromagnetic induction principle, the position of the charger is adjusted to optimize the electromagnetic coupling with the implantable device, so that efficient and rapid alignment and charging are realized.

Responding to the charging alignment state, starting to work in a first working mode by the charger, preparing to send charging data to the implantable device, and continuously monitoring current information of the transmitting coil by the charger according to a set first broadcast interception frequency; the current information reflects the degree of electromagnetic coupling between the charger and the implanted device.

If the monitored current information is lower than a preset threshold value, the electromagnetic coupling between the charger and the implanted device is weak, and the charging efficiency may be low; at this time, the charger may give a prompt, asking the user to adjust the position of the charger. The user moves the charger according to the prompt to find a better alignment position; in the process of adjusting the position, the charger continuously monitors the current information until the current information is not lower than a preset threshold value.

When the current information reaches or exceeds a preset threshold, the electromagnetic coupling between the charger and the implanted device reaches a more ideal state, and the charging efficiency is higher. At this time, the charger can send out a warning of successful alignment, and the user is reminded to keep the charger at the current position for charging.

Meanwhile, in the alignment process, the charger uses a higher broadcast interception frequency to quickly respond to the change of the current information, for example, the first broadcast interception frequency is 100ms once, so that real-time feedback of positioning can be realized, and quick movement and quick positioning can be realized. After the alignment is successful, the charger is switched to a lower broadcast interception frequency, i.e. a second broadcast interception frequency, for example, once for 2 seconds, and charged for energy saving and stability improvement.

The technical scheme has the effects that: by monitoring the current information in real time and adjusting the position of the charger, the accurate alignment between the charger and the implanted device can be ensured, and the rapidity of charging alignment adjustment and the charging accuracy and reliability are improved; the convenience of the charging process is improved; in the alignment process, the charger uses higher broadcast interception frequency to rapidly respond to the change of the current information, and real-time feedback of positioning can be realized, so that rapid movement and rapid positioning are realized; after the alignment is successful, the charger adjusts the broadcast interception frequency from the higher first frequency to the lower second frequency, thereby being beneficial to reducing unnecessary energy consumption and prolonging the service life of the charger.

According to some embodiments of the present application, in the charging alignment method of the charger, the first broadcast interception frequency is determined by:

The working principle of the technical scheme is as follows: the method comprises the steps of obtaining hardware configuration information of the charger, wherein the hardware configuration information details various performance parameters of the charger, particularly information related to broadcast interception, and the hardware configuration information comprises but is not limited to a broadcast interception frequency range supported by the charger, performance of a communication module and the like. According to the obtained hardware configuration information, determining the maximum broadcast interception frequency which can be supported by the hardware configuration information; the maximum broadcast listening frequency is the highest frequency that the charger can use as allowed by hardware performance, and is typically limited by factors such as the maximum transmission rate of the communication module, the processing speed of the processor, and the like. The purpose of determining the maximum broadcast interception frequency is to use the highest frequency possible in the charge alignment stage so as to quickly acquire the current information of the transmitting coil, thereby realizing accurate adjustment of the position of the charger; the second broadcast interception frequency can be set in advance, and the interception frequency of the charger when entering the formal stable charging can be periodically monitored, so that the working state of the internal components of the charger can be designed according to the conditions of design standards of products and the like.

After the maximum broadcast interception frequency and the second broadcast interception frequency are determined, determining a first broadcast interception frequency according to the two frequencies; the selection of the first broadcast interception frequency is a trade-off process, which considers both the need for fast response in the charge alignment phase and the need for reduced energy consumption during charging; thus, the first broadcast listening frequency will typically select a value between the maximum broadcast listening frequency and the second broadcast listening frequency; if the hardware configuration allows and for the need to improve charge alignment efficiency, the first broadcast listening frequency may select a value close to the maximum broadcast listening frequency; therefore, the charger can be ensured to quickly respond to the change of the current information, and the user is accurately guided to adjust the position.

On the other hand, if for energy saving or other reasons the first broadcast listening frequency may be chosen to be a relatively low value, but still higher than the second broadcast listening frequency, to ensure a sufficient response speed during the charge alignment phase.

The charger enters a charging para-position mode and starts to monitor the current information of the transmitting coil through the determined first broadcasting monitoring frequency. If the current information is lower than the preset threshold, the charger prompts the user to adjust the position of the charger, and continuously monitors the change of the current information at the first broadcast interception frequency until a proper alignment position is found, so that the current information reaches or exceeds the preset threshold. Once the alignment is successful, the charger reduces the broadcast interception frequency to the second broadcast interception frequency and enters a stable charging state.

The technical scheme has the effects that: by selecting the first broadcast interception frequency close to the maximum broadcast interception frequency, the current information of the transmitting coil can be obtained more quickly, so that the position of the charger is adjusted quickly and accurately, the time required by a user for adjusting the position of the charger is shortened greatly, the charging alignment efficiency is improved, and the maximum broadcast interception frequency determined based on the hardware configuration information reflects the highest broadcast interception capacity of the charger under the permission of hardware performance. By selecting the frequency as the first broadcast interception frequency, the charger can be ensured to fully exert the hardware performance in the charging alignment stage, and the optimal alignment effect is realized; the high first broadcast interception frequency is used in the charging para-position stage, so that quick response and accurate adjustment can be ensured, the low second broadcast interception frequency is used in the charging stage, so that energy consumption is reduced, the charging efficiency is ensured, meanwhile, the problem of energy consumption is also considered, and the balance between the charging efficiency and the energy consumption is realized.

In summary, by determining the maximum broadcast interception frequency based on the hardware configuration information and comprehensively considering the maximum broadcast interception frequency and the second broadcast interception frequency to determine the first broadcast interception frequency, the charging alignment efficiency is optimized, the hardware performance is fully utilized, the balance of the charging efficiency and the energy consumption is realized, the user experience and the charging stability are improved, and the service life of the charger is prolonged.

According to some embodiments of the present application, a charging alignment method of the charger, in response to a charging alignment state, the charger sends charging data to the implantable device in a first operation mode, including:

Determining a distance between the charger and the implantable device according to contact information of the charger and a patient; the contact information comprises contacted clothes, accessories for supporting and fixing a charger and the like;

The working principle and the effect of the technical scheme are as follows: when the charger approaches the implantable device, the charger senses this approach and enters a charge alignment state, the triggering of which may be based on various sensor information, such as magnetic field changes, radio signal strength changes, or physical contact induction, and once the charger enters the charge alignment state, a series of operations may begin to be performed to ensure accurate and rapid alignment with the implantable device.

The charger then collects contact information about the patient, which may be medium information between the charger and the patient, and to some extent also affects the coupling relationship between the charger transmit coil and the receiving coil of the implantable device, such as affecting the distribution of the transmit coil magnetic field to affect the magnetic field receiving efficiency of the receiving coil, which may include direct contact between the charger and the patient's skin, or information (e.g. thickness) of such items may be taken into account if the charger is indirectly in contact with the patient via clothing, fittings supporting the fixed charger, etc. Such information may be obtained by pressure sensors, temperature sensors, or other types of sensors; based on the collected contact information, the charger may further analyze the distance to determine the implantable device. This distance may be the distance in the vertical direction of the charger's transmitting coil from the receiving coil of the implanted device, i.e. the distance is related to the user's clothing thickness, the support thickness, and the depth of implantation of the implanted device in the human body, from which distance information the charger will determine its first mode of operation once the distance is determined.

For example, when calculating the distance between the charger and the implantable device, the implantation depth of the implantable device may be determined first, so that the distance D1 between the implantable device and the skin surface of the patient may be determined, and then contact information between the charger and the skin surface of the patient may be determined, for example, it may be detected that the charger is directly attached to the surface of the patient's clothing, information such as the type of clothing or the thickness of the clothing may be obtained, and the distance D2 between the charger and the skin of the patient may be obtained, so that the distance d=d1+d2 between the charger and the implantable device.

The first operation mode may include parameters such as an input voltage and/or an input frequency of the charger; the selection of these parameters is optimized based on distance information, with the aim of ensuring that the most efficient charge transfer is achieved at a given distance.

For example, if the charger is closer to the implanted device, the charger may select a higher input voltage and/or frequency to increase the charging speed; conversely, if the distance is greater, the charger may select lower parameters to avoid energy loss and potential electromagnetic interference.

Of course, it is also possible that if the charger is closer to the implantable device, there is a higher coupling relationship between the charger and the implantable device, the charger may select a lower input voltage and/or frequency, and thus the implantable device may also have a higher power conversion rate; conversely, if the distance is longer, the charger and the implantable device have a lower coupling relationship, so that the input voltage and/or frequency of the charger may also be increased in order to ensure that the implantable device has a higher power conversion rate.

The charger may control the transmission of charging data to the implantable device in a determined first mode of operation, which typically involves adjusting the internal circuitry and components of the charger to produce current and voltage outputs that meet the requirements of the first mode of operation, the charger being illustratively connected to an external power source that outputs a fixed voltage electrical signal, the charger having an adjustment module therein capable of adjusting the voltage signal input to the charger in accordance with the first mode of operation, the charging data being transmitted to the implantable device via wireless means (e.g., electromagnetic induction, radio waves, etc.), thereby initiating the charging process.

Through the steps, the charger can dynamically adjust the working mode according to the actual distance between the charger and the implantable device, so that efficient and safe charging alignment is realized, the charging efficiency is improved, and the user experience and the charging safety are improved.

The charging alignment method of the charger according to some embodiments of the present application, wherein the determining the first working mode of the charger according to the distance between the charger and the implantable device includes:

determining a second working mode of the charger according to the distance between the charger and the implanted device and the corresponding relation of the distance and the mode; the second working mode is normal charging voltage, and a smaller voltage value can be set in the alignment state, so that electricity is saved;

The second working mode is adjusted according to preset conditions to obtain the first working mode, wherein the working parameters corresponding to the first working mode are smaller than those corresponding to the second working mode; wherein the preset condition can be a mode of scaling down, reducing a certain value and the like; the specific limitation is not specifically defined herein; wherein the parameters corresponding to the working mode comprise voltage and/or frequency;

The working principle and the effect of the technical scheme are as follows: when the charger enters a charging alignment state, an initial working mode, namely a second working mode, is determined according to the distance between the charger and the implanted device, wherein the second working mode can be a normal charging parameter which is preset by the center of the charger and the implanted device at the distance, and can be understood as a set charging parameter which is a certain vertical distance between the charger and the implanted device when the charger and the implanted device are completely aligned; in particular, the normal charging voltage and/or frequency corresponding to the distance can be obtained by a distance-mode correspondence table or algorithm calibrated or set in advance, and since the precise alignment between the charger and the implantable device is not yet completed in the alignment stage, it is beneficial to use a lower voltage value in this stage, so that not only can energy be saved, but also energy loss or safety problems possibly caused by inaccurate positions can be reduced.

Then, the charger adjusts the second working mode according to preset conditions to obtain the first working mode, wherein the preset conditions can be to reduce the voltage value according to a certain proportion or to reduce a fixed voltage value, etc., so as to further reduce the energy consumption in the para-position stage and ensure the safety of the charging process. The parameters (including voltage and/or frequency) corresponding to the first mode of operation are always smaller than the parameters corresponding to the second mode of operation.

Through the steps, the charger can realize effective utilization of energy in the charging alignment stage, and meanwhile, the alignment process is ensured to be smoothly carried out. Once the charger and the implantable device are properly aligned, the charger switches to a second, normal charging mode to provide sufficient charging voltage and current to quickly and efficiently charge the implantable device; the energy utilization efficiency of the charger is improved, and the optimal performance and the safety guarantee can be provided in the charging para-position stage and the normal charging stage by dynamically adjusting the working mode.

According to the charging alignment method of the charger, the preset threshold value is obtained through the following steps:

The working principle of the technical scheme is as follows: acquiring position information of an implantable device; the location information may include location information of the implantable device relative to the external environment, such as depth, orientation, or angle of the device within the patient, etc.; or specific implantation location information of the implantable device, such as at which part of the body to implant; the position information may be obtained in a variety of ways, such as by scanning with a medical imaging device, a position sensor carried by the implantable device itself, or manually entered by the patient.

Then, according to the acquired position information and preset charging efficiency, determining a preset threshold value of the charger in a first working mode; the preset charging efficiency refers to the lowest efficiency of electric energy conversion between a transmitting coil (a coil on a charger) and a receiving coil (a coil on an implantable device), which is an important index, the lowest efficiency can be a parameter set in advance, if the preset charging efficiency is too low, the electric energy conversion speed of the receiving coil can be too slow, on one hand, the receiving coil can be caused to transmit too fast to influence the safety of a user, and on the other hand, the charging time of the user can be greatly increased, and the use experience of the user is reduced, so that the preset charging efficiency needs to be set to a reasonable value for ensuring effective energy transfer and conversion in the charging process, for example, the preset charging efficiency can be 20%, 30%, 40%, 50% and the like; the preset threshold value is a current threshold value, and according to the electromagnetic induction principle in the example, the preset current threshold value reflects position information, and takes the position of the center position of the transmitting coil and the center position of the receiving coil of the charger as a circle center, and a preset distance is a circular area or a spherical area with a radius.

In determining the preset threshold, the influence of the position information on the charging efficiency is considered. For example, if the implantable device is located deeper within the body, or the distance between its implantation site and the charger is large, the efficiency of the electrical energy conversion may be reduced; accordingly, the preset threshold is adjusted according to these factors to ensure that the charger maintains a certain charging efficiency even under adverse conditions.

Meanwhile, setting a threshold value with reference to a preset charging efficiency; the preset charging efficiency is a set minimum standard, which represents the minimum acceptable power conversion efficiency of the system; the preset threshold is set according to this criterion, ensuring that the charging efficiency is not lower than this preset value during the actual charging process, regardless of the change in the position of the implanted device.

Through the steps, the charging alignment method of the charger can dynamically adjust the preset threshold according to actual conditions, and ensures the stability and the high efficiency of the charging process. This helps to improve the use of the charger while reducing energy loss and safety issues that may occur during charging.

According to some embodiments of the present application, a charging alignment method of a charger, according to the position information and a preset charging efficiency, determines a preset threshold of the charger in a first working mode, including:

determining the distance between the implanted equipment and the external environment according to the position information of the implanted equipment relative to the external environment; the position information may be a distance between the IPG and the body surface;

Determining a critical position of the charger relative to the implanted device, namely a position which deviates from the maximum acceptable position of the optimal charging efficiency (maximum current), according to the distance between the implanted device and the external environment and the preset charging efficiency; or the furthest distance that the charger transmit coil center is acceptable from the implanted device receive coil center, where the furthest distance may be the distance of the two coil centers in the horizontal direction relative to the depth of implantation.

And determining the critical position current information of the transmitting coil of the charger in a first working mode, and taking the current information as the preset threshold value.

The working principle of the technical scheme is as follows: firstly, determining the distance between the implantable device and the external environment (such as a body surface) according to the position information of the implantable device relative to the external environment; this location information may be obtained in a variety of ways, such as by a medical imaging device scan or an implantable device self-contained positioning sensor; in particular, when the position information is the distance between the IPG (implantable pulse generator) and the body surface, the depth of the IPG in the body can be accurately known; because the human body can also influence the distribution of the magnetic field as a transmission medium of the magnetic field, the magnetic field intensity of different positions in the human body in the same electromagnetic field range is different.

Then, determining the critical position of the charger relative to the implantable device according to the distance between the implantable device and the external environment and the preset charging efficiency; this critical position may be understood as the furthest position acceptable for deviation from the optimal charging efficiency (i.e. maximum current); in other words, it is the furthest distance acceptable between the charger transmit coil center and the implanted device receive coil center. This furthest distance may be the distance between the centers of the two coils in the horizontal direction relative to the depth of implantation (vertical direction). By taking into account the relationship between the distance and the charging efficiency, it is possible to ensure that a certain charging efficiency is maintained even when the charger is slightly deviated from the optimum position. Specifically, in a laboratory environment or a clinical environment, when the charger outputs charging electric energy in a first working mode, the charging efficiency of the implantable device at different positions (i.e. distances from the external environment) is determined by adjusting the positions of the charger on the body surface (or simulating the human body), so that the relationship (such as a curve relationship, a function relationship, a correspondence table, etc.) between the positions of the charger and the charging efficiency at different distances can be obtained, and the critical position corresponding to the preset charging efficiency can be obtained according to the preset charging efficiency and the distances between the implantable device and the external environment.

It should be noted that the critical position may be a plurality of positions, such as a circle or a similar circle centered on the point where the implantable device projects onto the body surface, and any position on the circle may be the critical position.

Finally, determining current information of a critical position of the transmitting coil of the charger in a first working mode, and taking the current information as a preset threshold value; this preset threshold represents that a certain charging efficiency and stability can be ensured even if there is a certain deviation between the charger and the implantable device, and although the critical position may be a plurality of positions, the current information at different critical positions should be uniform in practice.

The technical scheme has the effects that: by determining the distance between the implantable device and the external environment (such as a body surface) and calculating the critical position of the charger relative to the implantable device according to the preset charging efficiency, it is ensured that a certain charging efficiency can be maintained even if the charger position deviates; the problem of low charging efficiency caused by inaccurate positions is solved; because the depth of the implantable device in the body and the critical position of the charger can be accurately known, a user or medical staff can more easily adjust the position of the charger, and an efficient and stable charging process is realized. Frequent adjustment or repositioning is not needed, and the convenience of operation is improved.

In some embodiments of the present application, a charging alignment method of a charger, according to position information of the implantable device relative to an external environment, determines a distance between the implantable device and the external environment, including:

Determining a minimum distance from the charger to the implantable device according to the distance from the implantable device to the body surface of the patient and the distance from the charger to the body surface of the patient; the minimum distance here may be the distance in the vertical direction (depth direction) of the charger transmit coil from the implanted device receive coil.

The working principle and the effect of the technical scheme are as follows: according to the position information of the implantable device relative to the external environment (such as the body surface of a patient), the distance between the implantable device and the external environment (particularly the body surface of the patient) can be calculated; the location information may be obtained in a variety of ways, such as by scanning the implantable device with a medical imaging device (e.g., X-ray, MRI, etc.), or by monitoring with a location sensor onboard the implantable device;

Taking the influence of the actual environment of the patient on the position of the charger into consideration, further acquiring environment information, wherein the environment information may comprise information such as the thickness of clothes on the surface of the patient, and information such as the current environment temperature of the patient;

Based on the environmental information obtained, the distance that the charger reaches the patient's body surface after penetrating these environmental factors can be estimated. For example, if the patient wears thicker clothing, the charger may require a greater penetration distance to effectively charge. Also, changes in ambient temperature may affect the thickness of the patient's clothing, and thus the distance that the charger reaches the patient's body surface.

Finally, combining the distance from the implantable device to the body surface of the patient and the distance from the charger to the body surface of the patient, and calculating the minimum distance from the charger to the implantable device; the minimum distance here may be the distance in the vertical direction (depth direction) of the charger transmit coil from the implanted device receive coil.

According to the charging alignment method of the charger, according to the position information and the preset charging efficiency, the preset threshold value of the charger in the first working mode is determined, and the charging alignment method comprises the following steps:

when the implantable device is not implanted in the body, the charger and the implantable device are completely positioned through reality calibration, and initial maximum current information of a transmitting coil of the charger is obtained in a first working mode;

Determining the charging convenience of the implantable device according to the implantation position of the implantable device; for example, the skull can not be charged conveniently when implanted, the convenience can be low, 30%, 40% and the like, the skull can be conveniently adjusted and positioned when implanted in front of the chest, and the convenience can be 70%, 80% and the like;

The working principle and the effect of the technical scheme are as follows: when the implantable device is not implanted in a patient, or when a user uses the implantable device initially, the charger and the implantable device can be completely positioned and butted through an experiment calibration process;

In a first working mode, obtaining initial maximum current information of a transmitting coil of a charger; the initial maximum current is the current when the charger transmit coil is perfectly aligned with the center position of the implantable device receive coil.

Then, determining the charging convenience according to the actual implantation position of the implanted device; charging convenience is a relative concept that considers the impact of the implantation location on the ease of charging operations. For example, if the implantable device is implanted in the skull, it may be difficult to perform the charging operation due to the limitation of the structure of the skull, and it may be relatively difficult for the patient to perform the charging location himself, so that the charging convenience may be low. In contrast, if the implantable device is implanted in a position that is easily accessible and adjustable, such as in the chest, the charging operation may be relatively easy and the charging convenience may be high.

And finally, comprehensively determining a preset threshold value of the charger according to the initial maximum current information and the charging convenience. This preset threshold represents that a certain charging efficiency and stability is ensured even if there is a certain degree of deviation between the charger and the implantable device. The determination of the preset threshold takes into account initial current information, i.e. the performance of the charger under ideal conditions, and the charging convenience, i.e. the difficulty of the actual charging operation. By comprehensively considering the two factors, the preset threshold value can be ensured to meet the requirement of charging efficiency and adapt to the limitation of actual charging operation.

The method comprises the steps of guiding a user to slowly move a charger to a plurality of positions along a plurality of preset directions of the position of an implantable device (IPG nerve stimulator) when the charger is used for the first time, and collecting a group of a plurality of efficient emission current data; and taking the maximum value 0.8 of the collected efficiency charger current value as an initial value to judge whether the current threshold value (whether the charging efficiency reaches the optimal value) of the successfully-aligned transmitting coil is obtained.

The method comprises the following steps: as shown in fig. 2: when charging alignment is carried out, the system enters an initialization stage, a nerve stimulator is fixed by fixing the current frequency and the voltage of a transmitting coil, and related parameters of a charger are as follows in the process of moving the charger: the emission current has a correlation with the movement position; when the charger and the IPG neural stimulator are coincident in coaxial line position, the charger and the emission current reach the maximum.

The coaxial shafts of the transmitting coil and the receiving coil are made to be opposite to each other by a distance D,

When D=0, the transmitting coil and the receiving coil are concentric, and the alignment is completely ideal;

X (position threshold) is more than D and more than 0, and the para position is in a reasonable range, so that normal charging can be performed;

D > X (position threshold), unreasonable alignment range, need to adjust position until A or B is satisfied.

Wherein X (position threshold) needs to be converted into a corresponding charging emission current; determining the relative position of the transmitting coil and the receiving coil through current; when the charging current is maximum, D=0 is satisfied, and the relationship between the distance and the current is obtained by making a graph of the distance and the emission current, and the maximum current value is obtained;

I _y (current threshold) =charging current maximum value. Threshold coefficient (threshold coefficient, threshold coefficient can be adjusted according to customer usage scenario).

The specific experimental cases are as follows:

By the method, calibration can be performed before implantation of the implantable device, and the influence of the implantation position on the charging convenience is considered, so that a proper preset threshold value is determined; in the actual charging process, even if the position of the charger deviates, certain charging efficiency and stability can be maintained, and the charging reliability and user experience are improved.

In some other embodiments, the preset threshold may be further determined according to the initial maximum current information, a preset charging efficiency, and the charging convenience; the reliability of the determination of the preset threshold can be improved by combining the preset charging efficiency, and the reliable charging efficiency is ensured when the positioning is finished.

Specifically, the method may include the steps of:

Determining a first current threshold according to the initial maximum current information and preset charging efficiency; the preset charging efficiency is an acceptable charging efficiency, for example 80% charging efficiency, and an acceptable first current threshold is obtained through the acceptable charging efficiency;

Obtaining a final preset threshold according to the first current threshold and the charging convenience; the final threshold may be a product of the first current threshold and the charge convenience.

The working principle and the effect of the technical scheme are as follows: firstly, determining a first current threshold according to initial maximum current information and preset charging efficiency; the initial maximum current information is obtained through an experimental calibration process when the implantable device is not yet implanted, and represents the maximum current value of the charger transmitter coil and the implantable device receiver coil in a fully aligned state. The preset charging efficiency is an acceptable charging efficiency value, for example 80%, which represents the minimum efficiency expected to be achieved during charging. By combining these two factors, a first current threshold can be calculated that is the minimum acceptable value of the transmit coil current when the preset charging efficiency condition is met.

Next, determining a final preset threshold according to the first current threshold and the charging convenience; charging convenience is a relative concept, which considers the influence of the implantation position of the implanted device on the difficulty of charging operation; different implantation positions can lead to different charging convenience, and the alignment process between the charger and the implanted equipment is directly affected; by combining the first current threshold with the charging convenience, a final preset threshold which is more in line with the actual situation can be obtained. The final threshold value not only considers the requirement of charging efficiency, but also fully considers the convenience of charging operation, thereby ensuring that in the actual charging process, even if the position of the charger deviates, certain charging efficiency and stability can be maintained.

In a specific implementation, the final preset threshold may be calculated by multiplying the first current threshold by the charging convenience. The charging convenience may be a value between 0 and 1, which represents a relative ease of charging operations. By adjusting the value of the charging convenience, the requirements of different implantation positions and charging scenes can be flexibly met.

By the method, a plurality of factors such as the initial maximum current information, the preset charging efficiency, the charging convenience and the like can be comprehensively considered, so that a proper preset threshold value is determined; the preset threshold can ensure the charging efficiency, and meanwhile, the convenience of actual charging operation is considered, so that the charging reliability and the user experience are improved.

In a word, by comprehensively considering a plurality of factors, the method can determine a preset threshold value which is more in line with the actual situation, so that the charging efficiency and stability are improved in the actual charging process, meanwhile, the difficulty and complexity of charging operation are reduced, and the user experience is improved.

According to some embodiments of the application, the charging alignment method further comprises:

If the current information is lower than the preset threshold value, reminding the moving direction of the charger; comprising the following steps:

The working principle and the effect of the technical scheme are as follows: determining a corresponding relation between the charger position and the current by utilizing historical data; these historical data may be recorded during a previous charging process, including current information generated by the charger at various locations. By analyzing and processing the data, a corresponding relation model between the position of the charger and the current can be established; the model can reflect the relation between the position of the charger and the charging efficiency, and provides a basis for subsequent adjustment. When the current is detected to be lower than the preset threshold value, the moving direction of the charger is determined according to the current value and the established corresponding relation model of the position and the current of the charger.

Specifically, the difference between the current and the preset threshold is compared, and in combination with the correspondence model, it is calculated in which direction the charger should move in order to make the current reach or approach the preset threshold.

Once the direction of movement of the charger is determined, the user or medical personnel is alerted to adjust the position of the charger in a suitable manner (e.g., audible prompts, screen display or vibration prompts, etc.), so that the user or medical personnel can quickly and accurately adjust the position of the charger according to the prompts of the system to achieve or approach the optimal charging state again.

The method realizes accurate adjustment and optimization of the charger position by monitoring the current information in real time, establishing a corresponding relation model by utilizing the historical data, determining the moving direction of the charger according to the current and the like, and improves the reliability and user experience of the charging process.

An embodiment of the present application provides a charging alignment device of a charger, the charger is used for charging an implantable device, the implantable device includes a receiving coil and a rechargeable battery, the receiving coil is matched with a transmitting coil of the charger to complete charging of the rechargeable battery, the device includes:

The first reminding module is used for reminding that the alignment is successful in response to the current information is not lower than the preset threshold value, and adjusting the broadcast interception frequency of the charger to a second broadcast interception frequency, wherein the first broadcast interception frequency is larger than the second broadcast interception frequency.

In some embodiments, the charging alignment device may be a functional component in the charger, or may be a function of the charging alignment device achieved by a plurality of components in the charger working together.

In some embodiments, the first broadcast listening frequency is determined by:

In some embodiments, the first determining module comprises:

a state confirmation unit, configured to enter a charging alignment state when the charger approaches the implantable device;

A distance determining unit for determining a distance between the charger and the implantable device according to contact information of the charger and a patient;

A first determining unit, configured to determine a first operation mode of the charger according to a distance between the charger and the implantable device, where the first operation mode includes at least an input voltage and/or an input frequency;

and the first data transmitting unit is used for controlling the charger to transmit charging data to the implantable device in the first working mode.

In some embodiments, the first determining unit includes:

A first determining subunit, configured to determine a second working mode of the charger according to a distance between the charger and the implantable device and a corresponding relationship between the distance and the mode;

and the second determining subunit is used for adjusting the second working mode according to preset conditions to obtain the first working mode, wherein the working parameter mode corresponding to the first working mode is smaller than the working parameter corresponding to the second working mode.

In some embodiments, the charging alignment device of the charger further includes:

and the second data sending module is used for sending charging data to the implanted equipment by the charger according to a second working mode after reminding the successful alignment, and the working parameter corresponding to the first working mode is smaller than the working parameter corresponding to the second working mode.

In some implementations, the preset threshold is obtained by:

A position information obtaining unit, configured to obtain position information of the implantable device, where the position information includes position information of the implantable device relative to an external environment or implantation position information of the implantable device;

The preset threshold value obtaining subunit is used for determining a preset threshold value of the charger in a first working mode according to the position information and preset charging efficiency, wherein the preset charging efficiency is the lowest conversion efficiency of electric energy between the transmitting coil and the receiving coil.

In some embodiments, the preset threshold acquisition subunit includes:

The first distance acquisition unit is used for determining the distance between the implanted equipment and the external environment according to the position information of the implanted equipment relative to the external environment;

The critical position obtaining unit is used for determining the critical position of the charger relative to the implanted device according to the distance between the implanted device and the external environment and the preset charging efficiency;

and the third determination subunit is used for determining the current information of the critical position of the transmitting coil of the charger in the first working mode, and taking the current information as the preset threshold value.

In some embodiments, the first distance acquisition unit includes:

a first sub-distance acquisition unit for determining the distance from the implantable device to the body surface of the patient according to the position information of the implantable device relative to the external environment;

The second acquisition unit is used for acquiring environment information of the patient, and the environment information comprises at least one of the following: body surface clothing information and ambient temperature information;

the second sub-distance acquisition unit is used for determining the distance from the charger to the body surface of the patient according to the environmental information;

The minimum distance acquisition unit is used for determining the minimum distance from the charger to the implantable device according to the distance from the implantable device to the body surface of the patient and the distance from the charger to the body surface of the patient.

In some embodiments, the preset threshold acquisition subunit comprises:

the initial current acquisition unit is used for completely positioning the charger and the implanted equipment through initial setting and acquiring initial maximum current information of a transmitting coil of the charger in a first working mode;

a convenience determining unit for determining the charging convenience of the implantable device according to the implantation position of the implantable device;

And the second determining unit is used for determining the preset threshold according to the initial maximum current information and the charging convenience.

a moving direction determining module, configured to, if the current information is lower than the preset threshold; the direction of movement of the charger is alerted.

In some embodiments, the movement direction determination module includes:

The first relation determining unit is used for obtaining the corresponding relation between the charger position and the current through historical data;

And the direction determining unit is used for determining the moving direction of the charger according to the current and the corresponding relation between the position of the charger and the current.

The working principle and effect of the technical scheme are the same as those of the charging alignment method of the charger in the embodiment of the application, and are not described herein.

The embodiment of the application also provides a medical system, which comprises:

The charger comprises a transmitting coil for wirelessly charging the implantable medical device, the receiving coil is matched with the transmitting coil of the charger to complete charging of the rechargeable battery, and the charger realizes charging positioning through the method according to any one of the embodiments of the application.

The application also provides an electronic device, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the functions of any device or realizes the steps of the charging alignment method of the charger when executing the computer program.

The present application also provides a computer program product comprising computer programs/instructions which, when executed by a processor, implement the functions of any of the apparatus of the embodiments of the present application, or implement the steps of the charge alignment method of the charger of the present application.

In some alternative embodiments, the electronic device is further provided with a display screen.

The embodiment of the application also provides a computer readable storage medium, which is used for storing a computer program, and the computer program is used for realizing the functions of any device of the embodiment of the application or realizing the steps of the charging alignment method of the charger.

In the context of this patent, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable storage medium may also be any readable medium that can transmit, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing. Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the C programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on an associated device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).

While embodiments of the present invention have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the invention, all such changes being within the scope of the appended claims.

Claims

1. A method of charge alignment of a charger for charging an implantable device, the implantable device including a receiving coil and a rechargeable battery, the receiving coil completing charging of the rechargeable battery by mating with a transmitting coil of the charger, the method comprising:

2. The charge alignment method of a charger according to claim 1, wherein the first broadcast listening frequency is determined by:

3. The method of charging alignment of a charger of claim 1, wherein the charger transmitting charging data to the implantable device in a first mode of operation in response to a charging alignment state comprises:

4. A method of charging a charger according to claim 3, wherein said determining a first operating mode of the charger based on a distance between the charger and the implantable device comprises:

5. A charging alignment method of a charger according to claim 1 or 3, further comprising:

6. The charge alignment method of a charger according to claim 1, wherein the preset threshold is obtained by:

Acquiring position information of the implantable device, wherein the position information comprises position information of the implantable device relative to an external environment and/or position information of the implantable device implanted in a patient;

7. The charging alignment method of a charger according to claim 6, wherein determining a preset threshold of the charger in the first operation mode according to the position information and a preset charging efficiency comprises:

8. The charging alignment method of the charger according to claim 7, wherein determining the distance between the implantable device and the external environment according to the position information of the implantable device relative to the external environment comprises:

9. The charging alignment method of a charger according to claim 6, wherein determining a preset threshold of the charger in the first operation mode according to the position information and a preset charging efficiency comprises:

10. The charge alignment method of a charger according to claim 1, further comprising:

11. The method for charging and aligning a charger according to claim 10, wherein if the current information is lower than the preset threshold, reminding the direction of movement of the charger; comprising the following steps:

12. A charging alignment device of a charger, wherein the charger is configured to charge an implantable device, the implantable device including a receiving coil and a rechargeable battery, the receiving coil being configured to complete charging of the rechargeable battery by mating with a transmitting coil of the charger, the device comprising:

13. A medical system, the medical system comprising:

A charger comprising a transmitting coil for wirelessly charging the implantable medical device, the receiving coil completing charging of the rechargeable battery by mating with the transmitting coil of the charger, the charger achieving charging localization by the method of any one of claims 1-11.

14. An electronic device comprising a memory storing a computer program and a processor implementing the steps of any of the methods of claims 1-11 or the functions of the apparatus of claim 12 when the computer program is executed by the processor.

15. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by at least one processor, implements the steps of the method of any of claims 1-11 or implements the functions of the apparatus of claim 12.

16. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the method of any one of claims 1 to 11 or the functions of the apparatus of claim 12.