WO2023185403A1 - 控制方法及相关装置 - Google Patents

控制方法及相关装置 Download PDF

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Publication number
WO2023185403A1
WO2023185403A1 PCT/CN2023/080146 CN2023080146W WO2023185403A1 WO 2023185403 A1 WO2023185403 A1 WO 2023185403A1 CN 2023080146 W CN2023080146 W CN 2023080146W WO 2023185403 A1 WO2023185403 A1 WO 2023185403A1
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WIPO (PCT)
Prior art keywords
magnetic field
stimulator
display
field strength
coil
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PCT/CN2023/080146
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English (en)
French (fr)
Inventor
刘彬
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苏州景昱医疗器械有限公司
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Publication of WO2023185403A1 publication Critical patent/WO2023185403A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
    • A61N1/36128—Control systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Definitions

  • This application relates to the technical field of implantable medical equipment, such as control methods and related devices.
  • Deep brain stimulation therapy is a reversible neuromodulation treatment method that stimulates different functional nuclei in the deep part of the brain with electrical pulses.
  • the deep brain electrical stimulation device used for deep brain stimulation therapy usually includes a stimulator (IPG) and a stimulation electrode implanted inside the human body.
  • IPG stimulator
  • the stimulator is implanted into the surface tissue of the human body and connected to the stimulation electrode implanted inside the human body through wires.
  • the stimulator has a built-in battery, and wireless charging is used to charge the built-in battery.
  • Patent CN109328088A discloses an external charger for wirelessly providing energy to an implantable medical device (IMD), including: a charging coil configured to generate a magnetic field to wirelessly provide energy to the IMD; concentric with the charging coil at least one sensing coil, wherein each of the at least one sensing coil is configured to induce an induction signal from the magnetic field, the induction signal being affected by the position of the charging coil relative to the IMD; and a control circuit, Configured to determine the position of the charging coil relative to the IMD based on the amplitude of at least one induction signal.
  • This technology sets the sensing coil on an external charger, and the sensing coil is concentric with the charging coil. It can be seen that the configuration requirements for the external charger are relatively high, and the external charger is required to accommodate multiple sensing concentric with the charging coil. The coil, that is to say, the external charger will be relatively large, which is not conducive to the development of miniaturization.
  • Patent CN102157990A discloses a wireless charging method for an implantable medical device.
  • the implantable medical device includes a wireless charging receiving module.
  • the wireless charging receiving module includes a receiving coil.
  • the method includes the steps of: driving the coils in sequence. Multiple transmit coils in an array; detect the average current value; calculate the relative position of the receiving coil according to the detection result and output adjustment information, so that the user can adjust the position of the coil array according to the adjustment information, so that one of the multiple transmitting coils is in contact with the Receive coil matching. Since the charger needs to be equipped with multiple transmitting coils, these multiple transmitting coils must be tested one by one to select the most suitable transmitting coil for charging. It can be seen that the configuration requirements for the external charger are relatively high, and the charger needs to have a large The space to accommodate multiple transmitting coils is not conducive to the development of miniaturization.
  • the purpose of this application is to provide a charging control method and related devices for an external charger, and to solve the problems of high configuration requirements and large size of the external charger in related technologies.
  • the present application provides an external charger, which is used to charge a stimulator implanted in a patient's body.
  • the external charger includes a first controller, a transmitting coil for transmitting electromagnetic pulses and a display components for display;
  • the first controller is configured to:
  • magnetic field strength information of the stimulator is obtained, and the magnetic field strength information is used to indicate one or more positioning coils of the stimulator.
  • the magnetic field strength wherein the number of positioning coils of the stimulator is N and the distance between the center of each positioning coil and the center of the charging coil of the stimulator is equal, and N is an integer greater than 1;
  • the display component is controlled to have multiple display states in a preset area based on the magnetic field strength information. , used to prompt the user that the external charger is misaligned.
  • the first controller is further configured to:
  • the display component When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment condition, the display component is controlled to have a preset display state in a preset area to prompt the user that the external The charger is aligned.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils of the stimulator, and the alignment conditions include one or more of the following: the minimum value of the N positioning coils The magnetic field strength is not less than the first preset strength; the difference between the maximum magnetic field strength and the minimum magnetic field strength of the N positioning coils is not greater than the preset difference.
  • the magnetic field strength information is used to indicate the magnetic field strength of N positioning coils of the stimulator, and the display component includes N display lights corresponding to the N positioning coils one by one. ;
  • the first controller is further configured to control the display state of the display component in the following manner:
  • control instructions are generated and sent to the corresponding display lamps respectively, so that the N display lamps have multiple display states in the preset area.
  • the display parameters of each display lamp include one or more of the following: switch status; brightness; color; and flashing frequency.
  • the display parameters of each display light include a switch state
  • the first controller is further configured to obtain the display parameters of each of the display lights in the following manner:
  • a magnetic field strength reference value is calculated, and the magnetic field strength reference value is the average of the magnetic field strengths of the N positioning coils;
  • the magnetic field strength of the positioning coil is not less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is turned on;
  • the magnetic field strength of the positioning coil is less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is off.
  • the display parameters of each display lamp include brightness
  • the first controller is further configured to obtain the display parameters of each of the display lights in the following manner:
  • the display parameter of the display light corresponding to the positioning coil is determined to be the second brightness.
  • the display component includes a light source, a light-transmitting ring, a mask, and a driving component for driving the mask;
  • the first controller is further configured to control the display state of the display component in the following manner:
  • the driving component is controlled to drive the mask so that the light-transmitting ring is partially blocked by the mask, thereby partially transmitting light and partially transmitting light in the preset area. opaque.
  • the display component includes a display screen
  • the first controller is further configured to control the display state of the display component in the following manner:
  • display content corresponding to the display screen is obtained, and the display content is used to indicate one or more of the following: magnetic field strength information of each positioning coil; reference movement direction of the external charger ;
  • the form of the displayed content includes one or more of the following: text; image; video.
  • the first controller is further configured to:
  • the first controller is further configured to:
  • control the audio playback device When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator do not meet the alignment condition, control the audio playback device to play audio prompt information based on the magnetic field strength information;
  • the audio prompt information is used to indicate one or more of the following: magnetic field strength information of each positioning coil; and a reference movement direction of the external charger.
  • the first controller is further configured to:
  • the present application provides a stimulator for implantation in a patient's body.
  • the stimulator includes a second controller for coupling with a transmitting coil of an external charger to achieve charging of energy transfer.
  • Coil and N positioning coils used for auxiliary positioning, the center of each positioning coil is equidistant from the center of the charging coil of the stimulator, and N is an integer greater than 1;
  • the second controller is configured to:
  • magnetic field strength information of the stimulator is obtained, and the magnetic field strength information is used to indicate one or more positioning coils of the stimulator. the magnetic field strength;
  • the display component of the extracorporeal charger is controlled to have Various display states are used to remind the user that the external charger is misaligned.
  • the second controller is further configured to:
  • the display component When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment condition, the display component is controlled to have a preset display state in a preset area to prompt the user that the external The charger is aligned.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils of the stimulator, and the alignment conditions include one or more of the following: the minimum value of the N positioning coils The magnetic field strength is not less than the first preset strength; the difference between the maximum magnetic field strength and the minimum magnetic field strength of the N positioning coils is not greater than the preset difference.
  • the magnetic field strength information is used to indicate the magnetic field strength of N positioning coils of the stimulator, and the display component includes N display lights corresponding to the N positioning coils one by one. ;
  • the second controller is further configured to control the display state of the display component in the following manner:
  • control instructions are generated and sent to the corresponding display lamps respectively, so that the N display lamps have multiple display states in the preset area.
  • the display parameters of each display lamp include one or more of the following: switch status; brightness; color; and flashing frequency.
  • the display parameters of each display light include a switch state
  • the second controller is further configured to obtain the display parameters of each of the display lights in the following manner:
  • a magnetic field strength reference value is calculated, and the magnetic field strength reference value is the average of the magnetic field strengths of the N positioning coils;
  • the magnetic field strength of the positioning coil is not less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is turned on;
  • the magnetic field strength of the positioning coil is less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is off.
  • the display parameters of each display lamp include brightness
  • the second controller is further configured to obtain the display parameters of each of the display lights in the following manner:
  • the display parameter of the display light corresponding to the positioning coil is determined to be the second brightness.
  • the display component includes a light source, a light-transmitting ring, a mask, and a driving component for driving the mask;
  • the second controller is further configured to control the display state of the display component in the following manner:
  • the driving component is controlled to drive the shield so that the The light-transmitting ring is partially blocked by the mask, so that it is partially light-transmitting and partially opaque in the preset area.
  • the display component includes a display screen
  • the second controller is further configured to control the display state of the display component in the following manner:
  • display content corresponding to the display screen is obtained, and the display content is used to indicate one or more of the following: magnetic field strength information of each positioning coil; reference movement direction of the external charger ;
  • the form of the displayed content includes one or more of the following: text; image; video.
  • the second controller is further configured to:
  • the second controller is further configured to:
  • control the audio playback device When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator do not meet the alignment condition, control the audio playback device to play audio prompt information based on the magnetic field strength information;
  • the audio prompt information is used to indicate one or more of the following: magnetic field strength information of each positioning coil; and a reference movement direction of the external charger.
  • the second controller is further configured to:
  • the communication connection between the stimulator and the program-controlled device is disconnected.
  • the application provides a control device for controlling an extracorporeal charger and a stimulator implanted in a patient's body.
  • the extracorporeal charger is used to charge the stimulator.
  • the extracorporeal charger includes a device for transmitting A transmitting coil of electromagnetic pulse and a display component for display, the stimulator includes a charging coil for coupling with the transmitting coil of the extracorporeal charger to achieve energy transfer and N positioning coils for assisting positioning, each The distance between the center of the positioning coil and the center of the charging coil of the stimulator is equal, N is an integer greater than 1, and the control device is configured to:
  • magnetic field strength information of the stimulator is obtained, and the magnetic field strength information is used to indicate one or more positioning coils of the stimulator. the magnetic field strength;
  • the charging of the transmitting coil of the external charger and the stimulator is detected. Whether the electric coil meets the alignment conditions;
  • the display component is controlled to have multiple display states in a preset area based on the magnetic field strength information. , used to prompt the user that the external charger is misaligned.
  • the present application provides a control method for controlling an external charger and a stimulator implanted in a patient's body.
  • the external charger is used to charge the stimulator.
  • the external charger includes a device for transmitting.
  • the stimulator includes a charging coil for coupling with the transmitting coil of the extracorporeal charger to achieve energy transfer and N positioning coils for assisting positioning, each The distance between the center of the positioning coil and the center of the charging coil of the stimulator is equal, and N is an integer greater than 1.
  • the method includes:
  • magnetic field strength information of the stimulator is obtained, and the magnetic field strength information is used to indicate one or more positioning coils of the stimulator.
  • the display component is controlled to have multiple display states in a preset area based on the magnetic field strength information. , used to prompt the user that the external charger is misaligned.
  • the application provides an implantable neurostimulation system, which includes a stimulator, an external charger and a control device implanted in the patient's body;
  • the extracorporeal charger is used to charge the stimulator.
  • the extracorporeal charger includes a transmitter coil for transmitting electromagnetic pulses and a display component for display.
  • the stimulator includes a transmitter for communicating with the extracorporeal charger.
  • a charging coil coupled with coils to achieve energy transfer and N positioning coils for auxiliary positioning, the center of each positioning coil is equidistant from the center of the charging coil of the stimulator, and N is an integer greater than 1;
  • the control device is configured to:
  • magnetic field strength information of the stimulator is obtained, and the magnetic field strength information is used to indicate one or more positioning coils of the stimulator. the magnetic field strength;
  • the display component is controlled to have multiple display states in a preset area based on the magnetic field strength information. , used to prompt the user that the external charger is misaligned.
  • the present application provides a computer-readable storage medium that stores a computer program that implements the steps of the above method when executed by a processor.
  • the distance between the center of each positioning coil and the center of the charging coil of the stimulator is equal.
  • the magnetic field strength of each positioning coil will change.
  • the magnetic field intensity of the positioning coil on one side of the center of the charging coil for example, the left side
  • the other side for example, the right side
  • the magnetic field strength information can reflect the relative positional relationship between the transmitting coil of the external charger and the charging coil of the stimulator, thereby determining whether the alignment conditions are met.
  • the display component can be controlled to have multiple display states within a preset area, thereby prompting the user that the external charger is not aligned.
  • the positioning coil is installed in the stimulator instead of the external charger, which has lower configuration requirements for the external charger, making the structure of the external charger more compact, which is conducive to the development of miniaturization.
  • the center of each positioning coil is equidistant from the center of the charging coil of the stimulator, when the magnetic field strength information indicates the magnetic field strength of one positioning coil (the positioning coil can be placed on either side of the center of the charging coil) , the magnetic field strength of the positioning coil reflects the relative positional relationship between the transmitting coil and a certain side of the charging coil, thereby judging whether the external charger is aligned; when the magnetic field strength information indicates the magnetic field strength of multiple positioning coils, just compare The magnetic field strength of each positioning coil can reflect the relative positional relationship between the transmitting coil and the charging coil, thereby determining whether the external charger is aligned. This method requires less calculation and has a faster response speed, which can greatly improve the alignment. process efficiency.
  • Figure 1 is a schematic flowchart of a control method provided by an embodiment of the present application.
  • FIG. 2 is a schematic flow chart of another control method provided by an embodiment of the present application.
  • Figure 3 is a schematic flowchart of controlling a display component provided by an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of a stimulator and an external charger provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another stimulator and an external charger provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a display component provided by an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of another control display component provided by an embodiment of the present application.
  • Figure 8 is a schematic flow chart of yet another control display component provided by an embodiment of the present application.
  • FIG. 9 is a schematic flowchart of yet another control method provided by an embodiment of the present application.
  • FIG. 10 is a schematic flowchart of yet another control method provided by an embodiment of the present application.
  • Figure 11 is a structural block diagram of an external charger provided by an embodiment of the present application.
  • Figure 12 is a structural block diagram of a stimulator provided by an embodiment of the present application.
  • Figure 13 is a structural block diagram of an implantable neurostimulation system provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a program product for implementing a control method provided by an embodiment of the present application.
  • the implantable neurostimulation system (a type of neurostimulation system) mainly includes a stimulator implanted in the patient's body (i.e., an implantable neurostimulator, a type of neurostimulator) and a programmable controller installed outside the patient's body.
  • Relevant neuromodulation technology mainly involves implanting electrodes in specific parts of the body's tissues (i.e., target points) through stereotaxic surgery, and a stimulator implanted in the patient's body sends electrical pulses to the target point through the electrodes to regulate the corresponding neural structures. And the electrical activity and functions of the network, thereby improving symptoms and relieving pain.
  • the stimulator can be an implantable nerve electrical stimulation device, an implantable cardiac electrical stimulation system (also known as a pacemaker), an implantable drug delivery system (IDDS for short) and a lead switch. any of the connecting devices.
  • Implantable neuroelectric stimulation devices include, for example, Deep Brain Stimulation (DBS) and Cortical Nerve Stimulation (Cortical Nerve Stimulation).
  • CNS Deep Brain Stimulation
  • SCS Implantable Spinal Cord Stimulation
  • SNS Implantable Sacral Nerve Stimulation
  • VNS Implantable Vagus Nerve Stimulation
  • the stimulator may include an IPG and electrode module.
  • the electrode module may include electrode leads and may also include extension leads.
  • IPG implantable pulse generator, implantable pulse generator
  • the IPG can include a control module and receive program control instructions sent by the program controller.
  • IPG relies on sealed batteries and circuits to provide controllable electrical stimulation energy to tissues in the body. Through implanted electrode modules, it delivers one or two channels of controllable specific electrical stimulation to specific areas of tissue in the body.
  • the extension lead is used in conjunction with the IPG as a transmission medium for electrical stimulation signals to transmit the electrical stimulation signals generated by the IPG to the electrode leads.
  • Electrode leads deliver electrical stimulation to specific areas of tissue in the body through multiple electrode contacts.
  • the stimulator is provided with one or more electrode leads on one or both sides, and multiple electrode contacts are provided on the electrode leads.
  • the electrode contacts can be evenly or non-uniformly arranged in the circumferential direction of the electrode leads.
  • 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 lead.
  • Electrode contacts may include stimulation contacts and/or acquisition contacts.
  • the electrode contacts may be in the shape of, for example, a sheet, a ring, a dot, or the like.
  • the stimulated internal tissue may be the patient's brain tissue, and the stimulated site may be a specific part of the brain tissue.
  • the stimulated parts are generally different, the number of stimulation contacts used (single source or multiple sources), one or more channels (single channel or multi-channel) specific electrical stimulation signals
  • the application and stimulation parameter data are also different.
  • the embodiments of this application do not limit the applicable disease types, which may 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.
  • DBS diseases that DBS can be used to treat or manage
  • diseases include, but are not limited to: spastic diseases (eg, epilepsy), pain, migraine, mental illness (eg, major depressive disorder (MDD)), bipolar disorder, anxiety disorder, Post-traumatic stress disorder, mild depression, obsessive-compulsive disorder (OCD), behavioral disorders, mood disorders, memory disorders, mental status disorders, mobility disorders (e.g., essential tremor or Parkinson's disease), Huntington's disease, Alzheimer's disease Alzheimer's disease, drug addiction, autism or other neurological or psychiatric diseases and impairments.
  • spastic diseases eg, epilepsy
  • pain migraine
  • mental illness eg, major depressive disorder (MDD)
  • bipolar disorder e.g., anxiety disorder, Post-traumatic stress disorder, mild depression, obsessive-compulsive disorder (OCD)
  • OCD obsessive-compulsive disorder
  • behavioral disorders e.g., mood disorders, memory disorders, mental status
  • the program controller when the program controller and the stimulator establish a program-controlled connection, can be used to adjust the stimulation parameters of the stimulator (different stimulation parameters correspond to different electrical stimulation signals), and the stimulator can also be used to sense the deep brain of the patient. bioelectrical activity to collect electrophysiological signals, and the collected The electrophysiological signal is used to continue to adjust the stimulation parameters of the electrical stimulation signal of the stimulator.
  • Stimulation parameters can include: frequency (for example, the number of electrical stimulation pulse signals per unit time 1 s, the unit is Hz), pulse width (the duration of each pulse, the unit is ⁇ s), amplitude (generally expressed in voltage, that is, The intensity of each pulse, in V), timing (for example, it can be continuous or triggered), stimulation mode (including one or more of current mode, voltage mode, timed stimulation mode and cyclic stimulation mode), physician control upper limit One or more of the upper and lower limits (the range that the doctor can adjust) and the upper and lower limits of the patient's control (the range that the patient can adjust independently). In some possible ways, various stimulation parameters of the stimulator can be adjusted in current mode or voltage mode.
  • an embodiment of the present application provides a control method for controlling an extracorporeal charger and a stimulator implanted in a patient.
  • the extracorporeal charger is used to charge the stimulator.
  • the extracorporeal charger includes: For a transmitting coil that emits electromagnetic pulses and a display component for display, the stimulator includes a charging coil for coupling with the transmitting coil of the extracorporeal charger to achieve energy transfer and N positioning coils for assisting positioning, The distance between the center of each positioning coil and the center of the charging coil of the stimulator is equal, and N is an integer greater than 1.
  • the method includes steps S101 to S103.
  • Step S101 When it is detected that the distance between the external charger and the stimulator is less than a preset distance, obtain the magnetic field strength information of the stimulator.
  • the magnetic field strength information is used to indicate one or more of the stimulator.
  • Step S102 Based on the magnetic field strength information, detect whether the transmitting coil of the external charger and the charging coil of the stimulator meet alignment conditions;
  • Step S103 When it is detected that the transmitting coil of the extracorporeal charger and the charging coil of the stimulator do not meet the alignment condition, based on the magnetic field strength information, control the display component to have multiple pixels in a preset area. This display state is used to remind the user that the external charger is misaligned.
  • the center of each positioning coil is equidistant from the center of the charging coil of the stimulator.
  • the magnetic field strength of each positioning coil will change.
  • the magnetic field intensity of the positioning coil on one side of the center of the charging coil for example, the left side
  • the other side for example, the right side
  • the magnetic field strength information can reflect the relative positional relationship between the transmitting coil of the external charger and the charging coil of the stimulator, thereby determining whether the alignment conditions are met.
  • the display component can be controlled to have multiple displays in the preset area. status, thus prompting the user that the external charger is not aligned.
  • the positioning coil is installed in the stimulator instead of the external charger, which has lower configuration requirements for the external charger, making the structure of the external charger more compact, which is conducive to the development of miniaturization.
  • the center of each positioning coil is equidistant from the center of the charging coil of the stimulator, when the magnetic field strength information indicates the magnetic field strength of one positioning coil (the positioning coil can be placed on either side of the center of the charging coil) , the magnetic field strength of the positioning coil reflects the relative positional relationship between the transmitting coil and a certain side of the charging coil, thereby judging whether the external charger is aligned; when the magnetic field strength information indicates the magnetic field strength of multiple positioning coils, just compare The magnetic field strength of each positioning coil can reflect the relative positional relationship between the transmitting coil and the charging coil, thereby determining whether the external charger is aligned. This method requires less calculation and has a faster response speed, which can greatly improve the alignment. process efficiency.
  • the embodiment of the present application does not limit the number and arrangement of positioning coils.
  • the number N of positioning coils may be, for example, 3, 4, 10, 20, or 50.
  • the distance between two adjacent positioning coils may be equal or unequal.
  • the distance between the center of each positioning coil and the center of the charging coil of the stimulator is equal.
  • the embodiment of the present application does not limit the distance.
  • the distance can be 2mm, 4mm, 6mm, 10mm, 15mm, 20mm or 40mm.
  • the external charger When the distance between the center of the charging coil of the stimulator and the center of the transmitting coil of the external charger is within the preset range, the external charger is deemed to be aligned; otherwise, the external charger is deemed to be misaligned.
  • the preset range may be 5-10 mm, for example.
  • the embodiment of the present application does not limit the preset distance in step S101.
  • the preset distance may be, for example, 20 mm, 40 mm or 60 mm.
  • the embodiment of the present application does not limit the preset area in step S103.
  • the preset area may be, for example, the area covered by the patient's line of sight when the external charger is close to the stimulator.
  • the method may further include step S104.
  • Step S104 When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment condition, control the display component to have a preset display state in a preset area to prompt the user The external charger is aligned.
  • the display component can be controlled to move in the preset area
  • There is a preset display state in the domain for example, when the display component includes a display light, control the brightness of all display lights to be the same, or when the display component includes a display screen, control the display content of the display screen to be "External charger is aligned" text message), thereby prompting the user that the external charger is aligned.
  • the preset display state may be that all display lights have the same brightness, or all the display lights have the same color, or when the display component includes a display
  • the preset display state may be that the display content of the display screen is the text message "The external charger has been aligned".
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils of the stimulator, and the alignment conditions may include one or more of the following: The minimum magnetic field strength is not less than the first preset strength; the difference between the maximum magnetic field strength and the minimum magnetic field strength of the N positioning coils is not greater than the preset difference.
  • the magnetic field strengths of the N positioning coils are all larger, indicating that the transmitting coil of the external charger is closer to the charging coil of the stimulator.
  • the alignment condition when the alignment condition is met, the charging efficiency is higher; on the other hand, when the difference between the maximum magnetic field intensity and the minimum magnetic field intensity of the N positioning coils is not greater than the preset difference, each positioning coil The magnetic field strengths are relatively average and will not be too large or too small, indicating that the offset of the transmitting coil relative to the center of the charging coil is small. This is used as the alignment condition. When the alignment conditions are met, the alignment effect is better.
  • the magnetic field strength information is used to indicate the magnetic field strength of the target positioning coil of the stimulator, and the alignment condition may include: the magnetic field strength of the target positioning coil is not less than the first preset strength.
  • the embodiments of the present application do not limit the size of the first preset intensity and the preset difference.
  • the first preset intensity may be, for example, 0.2T, 0.4T, or 0.6T
  • the preset difference may be, for example, 0.2T, 0.4T, or 0.8T.
  • the alignment conditions include: the minimum magnetic field intensity among the 4 positioning coils is not less than 0.2T, and the difference between the maximum magnetic field intensity and the minimum magnetic field intensity The value is not greater than 0.4T.
  • the magnetic field strengths of the four positioning coils are 0.3T, 0.4T, 0.5T, and 0.6T in sequence. Then the minimum magnetic field strength among the four positioning coils is 0.3T, which is not less than the first preset strength. Among the four positioning coils, The difference between the maximum magnetic field strength and the minimum magnetic field strength is 0.3T, which is not greater than the preset difference.
  • the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment conditions.
  • the magnetic field strength information is used to indicate the magnetic field strength of N positioning coils of the stimulator, and the display component includes a one-to-one corresponding to the N positioning coils.
  • the step S103 may include steps S201 to S202.
  • Step S201 When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator do not meet the alignment condition, obtain the display parameters of each display light based on the magnetic field strength information;
  • Step S202 Based on the display parameters of each display lamp, generate control instructions and send them to the corresponding display lamps respectively, so that the N display lamps have multiple display states in the preset area.
  • the display component can be a display lamp that corresponds to the positioning coil one-to-one.
  • the display parameters of each display lamp can be obtained based on the magnetic field strength information.
  • the magnetic field strength of the positioning coil is different, and the display parameters of the corresponding display lights are also different, so that the N display lights have multiple display states in the preset area. The user can intuitively understand the different display states of the N display lights outside the body.
  • the charger is misaligned.
  • the method may further include: when it is detected that the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment condition, controlling the N display lights to turn on the The preset area has the same display status.
  • the embodiment of the present application does not limit the arrangement of the N display lights.
  • the arrangement of the N display lights may correspond to the arrangement of the corresponding positioning coils, and in a one-to-one correspondence.
  • the position of each display light and the position of each positioning coil may be distributed in a mirror image.
  • the distance between each display light and its corresponding positioning coil is a fixed value.
  • the display parameters of each display light may include one or more of the following: switch status; brightness; color; and flashing frequency.
  • the lighting and extinguishing of each display lamp can be controlled so that the N display lamps have multiple display states in the preset area (some display lamps are on and some display lamps are off). );
  • the display parameters include brightness the current of each display lamp can be controlled so that the N display lamps have multiple display states in the preset area (some display lamps have higher brightness and some display lamps have lower brightness);
  • the display parameters include color you can control the color of each display light so that the N display lights have multiple display states in the preset area (for example, some display lights are red and some display lights are red. color is white);
  • the display parameters include the flashing frequency the flashing frequency of each display light can be controlled so that the N display lights have multiple display states in the preset area (for example, some display lights flash, some display lights do not flashing).
  • the display parameters of each of the display lights include a switch state
  • the step S201 may include:
  • a magnetic field strength reference value is calculated, and the magnetic field strength reference value is the average of the magnetic field strengths of the N positioning coils;
  • the magnetic field strength of the positioning coil is not less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is turned on;
  • the magnetic field strength of the positioning coil is less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil is off.
  • the magnetic field strength reference value can be calculated based on the magnetic field strength information. By comparing the magnetic field strength of each positioning coil with the magnetic field strength reference value, it can be judged whether the magnetic field strength of the positioning coil is compared with the average value. Is it too large or too small to control the on/off status of the corresponding display light.
  • the corresponding display light When the magnetic field strength of the positioning coil is not less than the magnetic field strength reference value, the corresponding display light is controlled to light up. When the magnetic field strength of the positioning coil is less than the magnetic field strength reference value, the corresponding display light is controlled to go out. The user can control the corresponding display light through each display light.
  • the switch status intuitively understands the magnetic field strength of each corresponding positioning coil, and uses this as a reference to move the external charger, thereby achieving rapid alignment of the external charger and the stimulator.
  • the average can be any one of arithmetic mean, geometric mean, harmonic mean, weighted mean, squared mean, exponential mean and median.
  • N 4 (that is, the number of positioning coils and display lights is 4).
  • These four positioning coils are set in sequence at the 12 o'clock direction and 3 o'clock direction of the center of the charging coil of the stimulator. clock direction, 6 o'clock direction and 9 o'clock direction.
  • the four display lights can be set in sequence at the 12 o'clock, 3 o'clock, 6 o'clock and 9 o'clock directions of the external charger (centered at any position).
  • the four display lights correspond to The logo can be "top", “right”, “bottom”, or "left”.
  • the magnetic field strengths of these four positioning coils are 0.4T, 1.1T, 1.2T and 1.3T respectively. Then the magnetic field strength reference value (arithmetic mean) is 1T. Then the magnetic field strength of the first positioning coil is less than the magnetic field strength reference value.
  • the display light with the control mark "up" goes out, and the other display lights light up.
  • the display parameters of each display lamp include brightness
  • the step S201 may include:
  • the display parameter of the display light corresponding to the positioning coil is determined to be the second brightness.
  • the magnetic field intensity of each positioning coil can be compared with the second preset intensity to determine whether the magnetic field intensity of the positioning coil is larger or smaller than the second preset intensity. Control the brightness of the corresponding display light.
  • the brightness of the corresponding display light is controlled to be the first brightness.
  • the brightness of the corresponding display light is controlled to be the first brightness.
  • Second brightness the user can intuitively understand the magnetic field strength of each corresponding positioning coil through the brightness of each display light, and use this as a reference to move the external charger, thereby achieving rapid alignment of the external charger and the stimulator.
  • the embodiment of the present application does not limit the size of the second preset intensity.
  • the second preset intensity may be, for example, 0.4T, 0.8T or 2T.
  • N 6 (that is, the number of positioning coils and indicator lights is 6), and the labels of the 6 positioning coils are L1, L2, L3, L4, L5 and L6, corresponding to , the signs of the six display lights are D1, D2, D3, D4, D5 and D6, and the second preset intensity is 1.5T.
  • the magnetic field strengths of the six positioning coils are 0.4T, 1.1T, 1.3T, 1.6T, 1.8T and 2.1T. Then the magnetic field strengths of the positioning coils L1, L2 and L3 are smaller than the second preset strength. The positioning coil L4 , the magnetic field strengths of L5 and L6 are greater than the second preset strength;
  • the brightness of the display lamps D1, D2, and D3 is controlled to be the second brightness
  • the brightness of the display lamps D4, D5, and D6 is controlled to be the first brightness
  • the first brightness is higher than the second brightness
  • the display component includes a light source, a light-transmitting ring, a mask, and a driving component for driving the mask;
  • step S103 may include steps S301 to S302.
  • Step S301 When detecting that the transmitting coil of the external charger and the charging coil of the stimulator When the alignment condition is not met, obtain the occlusion position information of the light-transmitting ring based on the magnetic field strength information;
  • Step S302 Based on the blocking position information of the light-transmitting ring, control the driving component to drive the mask so that the light-transmitting ring is partially blocked by the mask, thereby partially transmitting light in the preset area. Light, partially opaque.
  • the display component can include a light source, a light-transmitting ring, a mask, and a driving component.
  • the light-transmitting ring can transmit the light source
  • the mask can block the light-transmitting ring under the driving of the driving component.
  • the occlusion position information of the light-transmitting ring can be obtained based on the magnetic field strength information. Specifically, if the magnetic field intensity of the positioning coil is different, the corresponding occlusion position information of the light-transmitting ring is different, making the light transmission The ring is partially blocked by the mask, so that it is partially transparent and partially opaque in the preset area. The user can intuitively understand the misalignment of the external charger through the situation that the light-transmitting ring is partially blocked by the mask.
  • the method further includes: when it is detected that the transmitting coil of the external charger and the charging coil of the stimulator meet the alignment condition, perform any one of the following operations:
  • the driving component is controlled to drive the mask so that the light-transmitting ring is not blocked by the mask.
  • the light-transmitting ring can allow the light emitted by the light source to pass through, and the mask is used to block the light emitted by the light source.
  • the light-transmitting ring is disposed between the light source and the mask.
  • the mask is located inside the light-transmitting ring (the mask is disposed between the light source and the light-transmitting ring).
  • N 4 (that is, the number of positioning coils is 4), and the 4 positioning coils are arranged in sequence at the 12 o'clock direction, 3 o'clock direction, and 3 o'clock direction of the stimulator (centered on the preset alignment position).
  • the corresponding logos can be "up”, “right”, “down”, and "left”.
  • the magnetic field strengths of the four positioning coils are 1.6T, 1.3T, 1.1T and 0.8T.
  • the blocking position of the light-transmitting ring is determined based on the positioning coil with the smallest magnetic field strength among all positioning coils, which are marked as "down" and "left” The magnetic field intensity of the positioning coil is small.
  • the lower left part of the light-transmitting ring is determined as the blocking position.
  • the driving component drives the mask so that the light-transmitting ring is partially blocked by the mask, so that the lower left part of the light-transmitting ring is opaque and the rest is not transparent in the preset area. Partly opaque.
  • the display component includes a display screen
  • the step S103 may include steps S401 to S402.
  • Step S401 Based on the magnetic field strength information, obtain the display content corresponding to the display screen.
  • the display content is used to indicate one or more of the following: magnetic field strength information of each positioning coil; Reference movement direction;
  • Step S402 Use the display screen to display the display content in the preset area
  • the form of the displayed content includes one or more of the following: text; image; video.
  • the display component can include a display screen.
  • the display content corresponding to the display screen can be obtained based on the magnetic field strength information. Specifically, the magnetic field intensity of the positioning coil is different, and the display screen The corresponding display content is different, and the user can intuitively understand the misalignment of the external charger through the display content on the display screen.
  • the method may further include: based on the magnetic field strength information, obtaining the distance between the center of the transmitting coil of the external charger and the center of the charging coil of the stimulator;
  • the display content can be used to indicate the reference movement direction and reference movement distance of the external charger
  • the display content can be in the form of text, such as "Move 1 cm upwards", or in the form of images, such as an image of an "up arrow”, or in the form of a video that dynamically displays the "up arrow”.
  • the displayed content is a ring, part of the ring is filled, and the remaining areas are blank, where the filled areas correspond to the positions of the positioning coils with low magnetic field intensity.
  • the display content may be similar to the imaging results of the above-mentioned multiple display lights.
  • the method may further include step S105.
  • Step S105 Send the display content to the user device.
  • the user may be inconvenient for the user to lower his head to view the display screen of the external charger for a long time.
  • the user device such as a mobile phone, computer, tablet, smart wearable device, etc.
  • the method may further include:
  • control the audio playback device When it is detected that the transmitting coil of the external charger and the charging coil of the stimulator do not meet the alignment condition, control the audio playback device to play audio prompt information based on the magnetic field strength information;
  • the audio prompt information is used to indicate one or more of the following: magnetic field strength information of each positioning coil; and a reference movement direction of the external charger.
  • the display status of the display component of the electrical appliance can be played by audio prompt information through an audio playback device (such as a speaker). Specifically, if the magnetic field strength of the positioning coil is different, the audio prompt information corresponding to the audio playback device is different. The user can corresponding through the audio playback device.
  • the audio prompt information provides a more intuitive understanding of the misalignment of the external charger.
  • the audio playback device may include a speaker, and the audio playback device may be integrated with an external charger.
  • the form of audio prompt information can be artificially synthesized sounds, real people's voices, system prompt sounds, etc.
  • the method may further include step S106.
  • Step S106 When it is detected that the distance between the external charger and the stimulator is less than the preset distance, disconnect the communication connection between the stimulator and the program-controlled device.
  • the external charger and the stimulator are in a communication connection state. At this time, disconnecting the communication connection between the stimulator and the program-controlled device can avoid signal interference and achieve the effect of charging without program control. , to avoid charging affecting remote program control.
  • an embodiment of the present application also provides an external charger 100, the specific embodiments of which are consistent with the embodiments described in the above method embodiments and the technical effects achieved, and some details will not be described again.
  • the extracorporeal charger 100 is used to charge the stimulator 200 implanted in the patient's body.
  • the extracorporeal charger 100 includes a first controller 110, a transmitting coil 120 for transmitting electromagnetic pulses and a display component 130 for display;
  • the first controller 110 is configured to:
  • magnetic field strength information of the stimulator 200 is obtained, and the magnetic field strength information is used to indicate one or more of the stimulator 200
  • the magnetic field strength of multiple positioning coils 230 wherein the number of positioning coils 230 of the stimulator 200 is N and the center of each positioning coil 230 is equidistant from the center of the charging coil 220 of the stimulator 200 , N is an integer greater than 1;
  • the display component 130 is controlled based on the magnetic field strength information. There are various display states in the preset area to remind the user that the external charger 100 is misaligned.
  • the first controller 110 is further configured to:
  • the display component 130 is controlled to have a preset display state in a preset area for The user is prompted that the external charger 100 has been aligned.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils 230 of the stimulator 200
  • the alignment conditions include one or more of the following: a minimum of the N positioning coils 230 The magnetic field strength is not less than the first preset strength; the difference between the maximum magnetic field strength and the minimum magnetic field strength of the N positioning coils 230 is not greater than the preset difference.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils 230 of the stimulator 200 , and the display component 130 includes N displays corresponding to the N positioning coils 230 one-to-one. lamp;
  • the first controller 110 is further configured to control the display state of the display component 130 in the following manner:
  • control instructions are generated and sent to the corresponding display lamps respectively, so that the N display lamps have multiple display states in the preset area.
  • the display parameters of each display light include one or more of the following: switch status; brightness; color; and flashing frequency.
  • the display parameter of each of the display lights includes a switch state
  • the first controller 110 is further configured to obtain the display parameters of each of the display lamps in the following manner:
  • a magnetic field strength reference value is calculated, and the magnetic field strength reference value is the average of the magnetic field strengths of the N positioning coils 230;
  • the magnetic field strength of the positioning coil 230 is not less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil 230 is turned on;
  • the positioning is determined.
  • the display parameter of the display light corresponding to the coil 230 is off.
  • the display parameters of each of the display lights include brightness
  • the first controller 110 is further configured to obtain the display parameters of each of the display lamps in the following manner:
  • the display parameter of the display light corresponding to the positioning coil 230 is determined to be the first brightness
  • the display parameter of the display light corresponding to the positioning coil 230 is determined to be the second brightness.
  • the display component 130 includes a light source, a light-transmitting ring, a mask, and a driving component for driving the mask;
  • the first controller 110 is further configured to control the display state of the display component 130 in the following manner:
  • the driving component is controlled to drive the mask so that the light-transmitting ring is partially blocked by the mask, thereby partially transmitting light and partially transmitting light in the preset area. opaque.
  • the display component 130 includes a display screen
  • the first controller 110 is further configured to control the display state of the display component 130 in the following manner:
  • display content corresponding to the display screen is obtained, and the display content is used to indicate one or more of the following: magnetic field strength information of each positioning coil 230; a reference of the external charger 100 direction of movement;
  • the form of the displayed content includes one or more of the following: text; image; video.
  • the first controller 110 is further configured to:
  • the first controller 110 is further configured to:
  • the audio prompt information is used to indicate one or more of the following: magnetic field strength information of each positioning coil 230; and a reference movement direction of the extracorporeal charger 100.
  • the first controller 110 is further configured to:
  • the communication connection between the stimulator 200 and the program-controlled device is disconnected.
  • an embodiment of the present application also provides a stimulator 200, the specific embodiments of which are consistent with the embodiments described in the embodiments of the above method and the technical effects achieved, and part of the content will not be described again.
  • the stimulator 200 is used to be implanted in the patient's body.
  • the stimulator 200 includes a second controller 210, a charging coil 220 for coupling with the transmitting coil 120 of the extracorporeal charger 100 to achieve energy transfer, and for assisting positioning.
  • N positioning coils 230, the distance between the center of each positioning coil 230 and the center of the charging coil 220 of the stimulator 200 is equal, and N is an integer greater than 1;
  • the second controller 210 is configured to:
  • magnetic field strength information of the stimulator 200 is obtained, and the magnetic field strength information is used to indicate one or more of the stimulator 200
  • the display component 130 of the extracorporeal charger 100 is controlled based on the magnetic field strength information. There are multiple display states in the preset area to remind the user that the external charger 100 is misaligned.
  • the second controller 210 is further configured to:
  • the display component 130 is controlled to have a preset display state in a preset area for The user is prompted that the external charger 100 has been aligned.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils 230 of the stimulator 200
  • the alignment conditions include one or more of the following: a minimum of the N positioning coils 230 The magnetic field strength is not less than the first preset strength; the difference between the maximum magnetic field strength and the minimum magnetic field strength of the N positioning coils 230 is not greater than the preset difference.
  • the magnetic field strength information is used to indicate the magnetic field strength of the N positioning coils 230 of the stimulator 200 , and the display component 130 includes N displays corresponding to the N positioning coils 230 one-to-one. lamp;
  • the second controller 210 is further configured to control the display state of the display component 130 in the following manner:
  • control instructions are generated and sent to the corresponding display lamps respectively, so that the N display lamps have multiple display states in the preset area.
  • the display parameters of each display light include one or more of the following: switch status; brightness; color; and flashing frequency.
  • the display parameter of each of the display lights includes a switch state
  • the second controller 210 is further configured to obtain the display parameters of each of the display lamps in the following manner:
  • a magnetic field strength reference value is calculated, and the magnetic field strength reference value is the average of the magnetic field strengths of the N positioning coils 230;
  • the magnetic field strength of the positioning coil 230 is not less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil 230 is turned on;
  • the magnetic field strength of the positioning coil 230 is less than the magnetic field strength reference value, it is determined that the display parameter of the display light corresponding to the positioning coil 230 is off.
  • the display parameters of each of the display lights include brightness
  • the second controller 210 is further configured to obtain the display parameters of each of the display lamps in the following manner:
  • the display parameter of the display light corresponding to the positioning coil 230 is determined to be the first brightness
  • the display parameter of the display light corresponding to the positioning coil 230 is determined to be the second brightness.
  • the display component 130 includes a light source, a light-transmitting ring, a mask, and a driving component for driving the mask;
  • the second controller 210 is further configured to control the display state of the display component 130 in the following manner:
  • the driving component is controlled to drive the mask so that the light-transmitting ring is partially blocked by the mask, thereby partially transmitting light and partially transmitting light in the preset area. opaque.
  • the display component 130 includes a display screen
  • the second controller 210 is further configured to control the display state of the display component 130 in the following manner:
  • display content corresponding to the display screen is obtained, and the display content is used to indicate one or more of the following: magnetic field strength information of each positioning coil 230; a reference of the external charger 100 direction of movement;
  • the form of the displayed content includes one or more of the following: text; image; video.
  • the second controller 210 is further configured to:
  • the second controller 210 is further configured to:
  • the audio prompt information is used to indicate one or more of the following: each of the positioning coils 230 The magnetic field strength information; the reference movement direction of the external charger 100.
  • the second controller 210 is further configured to:
  • the communication connection between the stimulator 200 and the program-controlled device is disconnected.
  • control device 300 the specific embodiments of which are consistent with the embodiments recorded in the above-mentioned method embodiments and the technical effects achieved, and part of the content will not be described again.
  • the control device 300 is used to control the extracorporeal charger 100 and the stimulator 200 implanted in the patient's body.
  • the extracorporeal charger 100 is used to charge the stimulator 200.
  • the extracorporeal charger 100 includes a device for emitting electromagnetic pulses.
  • the transmitting coil 120 and the display component 130 for display, the stimulator 200 includes a charging coil 220 for coupling with the transmitting coil 120 of the extracorporeal charger 100 to achieve energy transfer and N positioning for auxiliary positioning Coils 230, the distance between the center of each positioning coil 230 and the center of the charging coil 220 of the stimulator 200 is equal, N is an integer greater than 1, and the control device 300 is configured to:
  • the display component 130 When it is detected that the transmitting coil 120 of the extracorporeal charger 100 and the charging coil 220 of the stimulator 200 do not meet the alignment condition, the display component 130 is controlled within a preset area based on the magnetic field strength information. It has multiple display states to remind the user that the external charger 100 is misaligned.
  • embodiments of the present application also provide an implantable nerve stimulation system 400 , the specific embodiments of which are consistent with the embodiments described in the above-mentioned method embodiments and the technical effects achieved, and part of the content will not be described again.
  • the implantable neurostimulation system 400 includes a stimulator 200 implanted in the patient's body, an external charger 100 and a control device 300;
  • the extracorporeal charger 100 is used to charge the stimulator 200.
  • the extracorporeal charger 100 includes a transmitter coil 120 for transmitting electromagnetic pulses and a display component 130 for display.
  • the stimulator 200 includes a transmitter for communicating with The transmitting coil 120 of the external charger 100 is coupled to the charging coil to realize energy transfer. 220 and N positioning coils 230 for auxiliary positioning, the center of each positioning coil 230 is equidistant from the center of the charging coil 220 of the stimulator 200, and N is an integer greater than 1;
  • the control device 300 is configured to:
  • the display component 130 When it is detected that the transmitting coil 120 of the extracorporeal charger 100 and the charging coil 220 of the stimulator 200 do not meet the alignment condition, the display component 130 is controlled within a preset area based on the magnetic field strength information. It has multiple display states to remind the user that the external charger 100 is misaligned.
  • control device 300 can be integrated with the external charger 100;
  • control device 300 may be integrated with the stimulator 200 .
  • control device 300 may include multiple control units, wherein a part of the control units is integrated with the extracorporeal charger 100 , and another part of the control units is integrated with the stimulator 200 . Become one.
  • This application also provides a computer-readable storage medium.
  • the computer-readable storage medium is used to store a computer program.
  • the steps of the method in the embodiment of the application are implemented.
  • the specific embodiments are the same as those mentioned above.
  • the technical effects achieved by the embodiments described in the method embodiments are consistent, and some of the contents will not be described again.
  • Figure 14 shows a program product 500 provided by this embodiment for implementing the above real-time video processing method. It can use a portable compact disk read-only memory (CD-ROM) and include program code, and can be used on a terminal device, such as a personal computer. run on the computer.
  • the program product 500 of the present invention is not limited thereto.
  • the readable storage medium may be any tangible medium containing or storing a program, which may be used by or in combination with an instruction execution system, apparatus or device.
  • Program product 500 may take the form of 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 may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination thereof. More specific examples (non-exhaustive list) of readable storage media include: an electrical connection with one or more conductors, a portable disk, a hard disk, a random access memory (R AM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any of the above The right combination.
  • R AM random access memory
  • ROM read-only memory
  • EPROM or flash memory erasable programmable read-only memory
  • CD-ROM portable compact disk read-only memory
  • magnetic storage device magnetic storage device, or any of the above The right combination.
  • a computer-readable storage medium may include a data signal propagated in baseband or as part of a carrier wave carrying the readable program code therein. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above.
  • a readable storage medium may also be any readable medium that can transmit, propagate, or transport the program for use by or in connection with an instruction execution system, apparatus, or device.
  • Program code contained on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the above.
  • Program code for performing the operations of the present invention may be written in any combination of one or more programming languages, including object-oriented programming languages such as Java, C++, etc., as well as conventional procedural programming languages. Such as C language or similar programming language.
  • the program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server execute on.
  • 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, such as provided by an Internet service. (business comes via Internet connection).
  • LAN local area network
  • WAN wide area network

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Abstract

本申请提供了一种体外充电器、刺激器、控制设备、控制方法、植入式神经刺激系统及计算机可读存储介质，所述体外充电器用于为植入患者体内的刺激器充电，所述体外充电器包括第一控制器、用于发射电磁脉冲的发射线圈和用于显示的显示组件；所述第一控制器被配置成：当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息；基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态。本申请对体外充电器的配置要求较低。

Description

控制方法及相关装置
本申请要求于2022年3月30日提交的申请号为202210327141.9的中国专利的优先权，上述中国专利通过全文引用的形式并入。
技术领域
本申请涉及植入式医疗设备技术领域，例如涉及控制方法及相关装置。
背景技术
脑深部电刺激疗法通过对大脑深部不同功能核团进行电脉冲刺激，是一种可逆性的神经调节治疗方法。其中，用于进行脑深部电刺激疗法的脑深部电刺激装置通常包括刺激器(IPG)以及植入人体内部的刺激电极。一般而言，刺激器植入人体的表层组织中，并通过导线连接植入人体内部的刺激电极，刺激器中具有内置电池，对内置电池充电时采用无线充电的方式。
在进行无线充电时，体外充电器与刺激器之间总会存在错位现象，导致体外充电器和刺激器之间的距离无法达到理想距离，进而限制了外充电器和刺激器之间的充电能量场，降低了无线充电的效率。
专利CN109328088A公开了一种用于向可植入医疗设备(IMD)无线提供能量的外部充电器，包括：充电线圈，其被配置为产生磁场以向IMD无线地提供能量；与所述充电线圈同心的至少一个感测线圈，其中至少一个感测线圈中的每个被配置为由所述磁场感应出感应信号，该感应信号受到所述充电线圈相对于IMD的位置的影响；以及控制电路，其被配置为根据至少一个感应信号的幅度而确定所述充电线圈相对于IMD的位置。该技术将感测线圈设置在外部充电器上，并且感测线圈与充电线圈同心设置，可见，对外部充电器的配置要求较高，并且需要外部充电器容纳与充电线圈同心的多个感测线圈，也就是说，外部充电器的体积会比较大，不利于朝小型化发展。
专利CN102157990A公开了一种用于植入式医疗装置的无线充电方法，所述植入式医疗装置包括无线充电接收模块，所述无线充电接收模块包括接收线圈，所述方法包括步骤：依次驱动线圈阵列中的多个发射线圈；检测每一发射线圈的 平均电流值；依据检测结果计算所述接收线圈的相对位置并输出调整信息，以便用户依据所述调整信息调整所述线圈阵列的位置，使所述多个发射线圈中的一个发射线圈与所述接收线圈匹配。由于需要充电器配置多个发射线圈，对这多个发射线圈逐个进行检测，选择最合适的发射线圈，以此进行充电，可见，对外部充电器的配置要求较高，充电器需要有较大的空间容纳多个发射线圈，不利于朝小型化发展。
因此，亟需提供一种体外充电器的充电控制方法及相关装置，以解决相关技术中体外充电器的配置要求高、体积较大的问题。
发明内容
本申请的目的在于提供体外充电器的充电控制方法及相关装置，解决相关技术中体外充电器的配置要求高、体积较大的问题。
本申请的目的采用以下技术方案实现：
第一方面，本申请提供了一种体外充电器，所述体外充电器用于为植入患者体内的刺激器充电，所述体外充电器包括第一控制器、用于发射电磁脉冲的发射线圈和用于显示的显示组件；
所述第一控制器被配置成：
当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度，其中，所述刺激器的定位线圈的数量是N个且每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
在一种可能的实现方式中，所述第一控制器还被配置成：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，控制所述显示组件在预设区域内具有预设显示状态，用于提示用户所述体外充电器已对准。
在一种可能的实现方式中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述对准条件包括以下一个或多个：N个所述定位线圈的最小磁场强度不小于第一预设强度；N个所述定位线圈的最大磁场强度与最小磁场强度的差值不大于预设差值。
在一种可能的实现方式中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述显示组件包括与N个所述定位线圈一一对应的N个显示灯；
所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
在一种可能的实现方式中，每个所述显示灯的显示参数包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
在一种可能的实现方式中，每个所述显示灯的显示参数包括开关状态；
所述第一控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈的磁场强度的平均数；
当所述定位线圈的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为开启；
当所述定位线圈的磁场强度小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为关闭。
在一种可能的实现方式中，每个所述显示灯的显示参数包括亮度；
所述第一控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，检测每个所述定位线圈的磁场强度是否大于第二预设强度；
当所述定位线圈的磁场强度不小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第一亮度；
当所述定位线圈的磁场强度小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第二亮度。
在一种可能的实现方式中，所述显示组件包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
在一种可能的实现方式中，所述显示组件包括显示屏；
所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向；
利用所述显示屏在所述预设区域内显示所述显示内容；
其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
在一种可能的实现方式中，所述第一控制器还被配置成：
向用户设备发送所述显示内容。
在一种可能的实现方式中，所述第一控制器还被配置成：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向。
在一种可能的实现方式中，所述第一控制器还被配置成：
当检测到所述体外充电器与所述刺激器的距离小于所述预设距离时，断开所 述刺激器与程控设备的通信连接。
第二方面，本申请提供了一种刺激器，所述刺激器用于植入于患者体内，所述刺激器包括第二控制器、用于与体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
所述第二控制器被配置成：
当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述体外充电器的显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
在一种可能的实现方式中，所述第二控制器还被配置成：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，控制所述显示组件在预设区域内具有预设显示状态，用于提示用户所述体外充电器已对准。
在一种可能的实现方式中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述对准条件包括以下一个或多个：N个所述定位线圈的最小磁场强度不小于第一预设强度；N个所述定位线圈的最大磁场强度与最小磁场强度的差值不大于预设差值。
在一种可能的实现方式中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述显示组件包括与N个所述定位线圈一一对应的N个显示灯；
所述第二控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
在一种可能的实现方式中，每个所述显示灯的显示参数包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
在一种可能的实现方式中，每个所述显示灯的显示参数包括开关状态；
所述第二控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈的磁场强度的平均数；
当所述定位线圈的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为开启；
当所述定位线圈的磁场强度小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为关闭。
在一种可能的实现方式中，每个所述显示灯的显示参数包括亮度；
所述第二控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，检测每个所述定位线圈的磁场强度是否大于第二预设强度；
当所述定位线圈的磁场强度不小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第一亮度；
当所述定位线圈的磁场强度小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第二亮度。
在一种可能的实现方式中，所述显示组件包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
所述第二控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所 述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
在一种可能的实现方式中，所述显示组件包括显示屏；
所述第二控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向；
利用所述显示屏在所述预设区域内显示所述显示内容；
其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
在一种可能的实现方式中，所述第二控制器还被配置成：
向用户设备发送所述显示内容。
在一种可能的实现方式中，所述第二控制器还被配置成：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向。
在一种可能的实现方式中，所述第二控制器还被配置成：
当检测到所述体外充电器与所述刺激器的距离小于所述预设距离时，断开所述刺激器与程控设备的通信连接。
第三方面，本申请提供了一种控制设备，用于控制体外充电器和植入患者体内的刺激器，所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数，所述控制设备被配置成：
当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充 电线圈是否满足对准条件；
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
第四方面，本申请提供了一种控制方法，用于控制体外充电器和植入患者体内的刺激器，所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数，所述方法包括：
当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
第五方面，本申请提供了一种植入式神经刺激系统，所述植入式神经刺激系统包括植入患者体内的刺激器、体外充电器以及控制设备；
所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
所述控制设备被配置成：
当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
第六方面，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述计算机程序被处理器执行时实现上述方法的步骤。
采用本申请提供的控制方法及相关装置，至少具有以下优点：
通过在刺激器设置N个定位线圈，每个定位线圈的中心与刺激器的充电线圈的中心的距离相等，随着体外充电器靠近刺激器，每个定位线圈的磁场强度会发生变化，一般而言，当处于充电线圈的中心的一侧(例如是左侧)的定位线圈的磁场强度较大，而另一侧(例如是右侧)较低时，表明体外充电器的发射线圈相对于充电线圈的中心偏向一侧(左侧)，由磁场强度信息可以反映出体外充电器的发射线圈和刺激器的充电线圈之间的相对位置关系，从而判断是否满足对准条件，当不满足对准条件时，可以控制显示组件在预设区域内具有多种显示状态，从而提示用户体外充电器没有对准。
相比于相关技术，一方面，定位线圈设置于刺激器内而非体外充电器内，对体外充电器的配置要求较低，使得体外充电器的结构较为紧凑，有利于朝小型化发展。
另一方面，每个定位线圈的中心与刺激器的充电线圈的中心的距离相等，当磁场强度信息指示一个定位线圈的磁场强度时(该定位线圈可以设置在充电线圈的中心的任意一侧)，通过该定位线圈的磁场强度反映出发射线圈和充电线圈的某一侧的相对位置关系，从而判断体外充电器是否对准；当磁场强度信息指示多个定位线圈的磁场强度时，只需比较每个定位线圈的磁场强度，即可反映发射线圈和充电线圈之间的相对位置关系，从而判断体外充电器是否对准，这种方式计算量较小，响应速度较快，可以大大提升对准过程的效率。
附图说明
下面结合附图和实施例对本申请进一步说明。
图1是本申请实施例提供的一种控制方法的流程示意图；
图2是本申请实施例提供的另一种控制方法的流程示意图；
图3是本申请实施例提供的一种控制显示组件的流程示意图；
图4是本申请实施例提供的一种刺激器和体外充电器的结构示意图；
图5是本申请实施例提供的另一种刺激器和体外充电器的结构示意图；
图6是本申请实施例提供的一种显示组件的结构示意图；
图7是本申请实施例提供的另一种控制显示组件的流程示意图；
图8是本申请实施例提供的又一种控制显示组件的流程示意图；
图9是本申请实施例提供的又一种控制方法的流程示意图；
图10是本申请实施例提供的再一种控制方法的流程示意图；
图11是本申请实施例提供的一种体外充电器的结构框图；
图12是本申请实施例提供的一种刺激器的结构框图；
图13是本申请实施例提供的一种植入式神经刺激系统的结构框图；
图14是本申请实施例提供的一种用于实现控制方法的程序产品的结构示意图。
具体实施方式
下面，结合附图以及具体实施方式，对本申请做进一步描述，需要说明的是，在不相冲突的前提下，以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。
下面，首先对本申请实施例的其中一个应用领域(即植入式神经刺激器)进行简单说明。
植入式神经刺激系统(一种神经刺激系统)主要包括植入患者体内的刺激器(即植入式神经刺激器，一种神经刺激器)以及设置于患者体外的程控器。相关的神经调控技术主要是通过立体定向手术在生物体的组织的特定部位(即靶点)植入电极，并由植入患者体内的刺激器经电极向靶点发放电脉冲，调控相应神经结构和网络的电活动及其功能，从而改善症状、缓解病痛。其中，刺激器可以是植入式神经电刺激装置、植入式心脏电刺激系统(又称心脏起搏器)、植入式药物输注装置(Implantable Drug Delivery System，简称I DDS)和导线转接装置中的任意一种。植入式神经电刺激装置例如是脑深部电刺激系统(Deep Brain Stimulation，简称DBS)、植入式脑皮层刺激系统(Cortical Nerve Stimulation，简称 CNS)、植入式脊髓电刺激系统(Spinal Cord Stimulation，简称SCS)、植入式骶神经电刺激系统(Sacral Nerve Stimulation，简称SNS)、植入式迷走神经电刺激系统(Vagus Nerve Stimulation，简称VNS)等。
刺激器可以包括IPG和电极模块。电极模块可以包括电极导线，还可以包括延伸导线。IPG(implantable pulse generator，植入式脉冲发生器)设置于患者体内，IPG可以包括控制模块，接收程控器发送的程控指令。IPG依靠密封电池和电路向体内组织提供可控制的电刺激能量，通过植入的电极模块，为体内组织的特定区域递送一路或两路可控制的特定电刺激。延伸导线配合IPG使用，作为电刺激信号的传递媒体，将IPG产生的电刺激信号，传递给电极导线。电极导线通过多个电极触点，向体内组织的特定区域递送电刺激。可以理解为，刺激器设置有单侧或双侧的一路或多路电极导线，电极导线上设置有多个电极触点，电极触点可以均匀排列或者非均匀排列在电极导线的周向上。作为一个示例，电极触点可以以4行3列的阵列(共计12个电极触点)排列在电极导线的周向上。电极触点可以包括刺激触点和/或采集触点。电极触点例如可以采用片状、环状、点状等形状。
在一些可能的方式中，受刺激的体内组织可以是患者的脑组织，受刺激的部位可以是脑组织的特定部位。当患者的疾病类型不同时，受刺激的部位一般来说是不同的，所使用的刺激触点(单源或多源)的数量、一路或多路(单通道或多通道)特定电刺激信号的运用以及刺激参数数据也是不同的。本申请实施例对适用的疾病类型不做限定，其可以是脑深部刺激(DBS)、脊髓刺激(SCS)、骨盆刺激、胃刺激、外周神经刺激、功能性电刺激所适用的疾病类型。其中，DBS可以用于治疗或管理的疾病类型包括但不限于：痉挛疾病(例如，癫痫)、疼痛、偏头痛、精神疾病(例如，重度抑郁症(MDD))、躁郁症、焦虑症、创伤后压力心理障碍症、轻郁症、强迫症(OCD)、行为障碍、情绪障碍、记忆障碍、心理状态障碍、移动障碍(例如，特发性震颤或帕金森氏病)、亨廷顿病、阿尔茨海默症、药物成瘾症、孤独症或其他神经学或精神科疾病和损害。
本申请实施例中，程控器和刺激器建立程控连接时，可以利用程控器调整刺激器的刺激参数(不同的刺激参数所对应的电刺激信号不同)，也可以通过刺激器感测患者脑深部的生物电活动以采集得到电生理信号，并可以通过所采集到的 电生理信号来继续调节刺激器的电刺激信号的刺激参数。
刺激参数可以包括：频率(例如是单位时间1s内的电刺激脉冲信号个数，单位为Hz)、脉宽(每个脉冲的持续时间，单位为μs)、幅值(一般用电压表述，即每个脉冲的强度，单位为V)、时序(例如可以是连续或者触发)、刺激模式(包括电流模式、电压模式、定时刺激模式和循环刺激模式中的一种或多种)、医生控制上限及下限(医生可调节的范围)和患者控制上限及下限(患者可自主调节的范围)中的一种或多种。在一些可能的方式中，可以在电流模式或者电压模式下对刺激器的各刺激参数进行调节。
参见图1，本申请实施例提供了一种控制方法，用于控制体外充电器和植入患者体内的刺激器，所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数，所述方法包括步骤S101～S103。
步骤S101：当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
步骤S102：基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
步骤S103：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
由此，通过在刺激器设置N个定位线圈，每个定位线圈的中心与刺激器的充电线圈的中心的距离相等，随着体外充电器靠近刺激器，每个定位线圈的磁场强度会发生变化，一般而言，当处于充电线圈的中心的一侧(例如是左侧)的定位线圈的磁场强度较大，而另一侧(例如是右侧)较低时，表明体外充电器的发射线圈相对于充电线圈的中心偏向一侧(左侧)，由磁场强度信息可以反映出体外充电器的发射线圈和刺激器的充电线圈之间的相对位置关系，从而判断是否满足对准条件，当不满足对准条件时，可以控制显示组件在预设区域内具有多种显 示状态，从而提示用户体外充电器没有对准。
相比于相关技术，一方面，定位线圈设置于刺激器内而非体外充电器内，对体外充电器的配置要求较低，使得体外充电器的结构较为紧凑，有利于朝小型化发展。
另一方面，每个定位线圈的中心与刺激器的充电线圈的中心的距离相等，当磁场强度信息指示一个定位线圈的磁场强度时(该定位线圈可以设置在充电线圈的中心的任意一侧)，通过该定位线圈的磁场强度反映出发射线圈和充电线圈的某一侧的相对位置关系，从而判断体外充电器是否对准；当磁场强度信息指示多个定位线圈的磁场强度时，只需比较每个定位线圈的磁场强度，即可反映发射线圈和充电线圈之间的相对位置关系，从而判断体外充电器是否对准，这种方式计算量较小，响应速度较快，可以大大提升对准过程的效率。
本申请实施例对定位线圈的数量和排布方式不作限定，定位线圈的数量N例如可以是3个、4个、10个、20个或者50个。相邻的两个定位线圈之间的距离可以相等，也可以不相等。
每个定位线圈的中心与刺激器的充电线圈的中心的距离相等，本申请实施例对该距离的大小不作限定，该距离可以是2mm、4mm、6mm、10mm、15mm、20mm或者40mm。
当刺激器的充电线圈的中心与体外充电器的发射线圈的中心的距离处于预设范围时，视为体外充电器对准，反之，则视为体外充电器没有对准。预设范围例如可以是5-10mm。
本申请实施例对于步骤S101中的预设距离不作限定，预设距离例如可以是20mm、40mm或者60mm。
本申请实施例对于步骤S103中的预设区域不作限定，预设区域例如可以是：体外充电器在贴近刺激器时，患者视线所覆盖的区域。
参见图2，在一种可能的实施例中，所述方法还可以包括步骤S104。
步骤S104：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，控制所述显示组件在预设区域内具有预设显示状态，用于提示用户所述体外充电器已对准。
由此，当发射线圈和充电线圈满足对准条件时，可以控制显示组件在预设区 域内具有预设显示状态(例如当显示组件包括显示灯时，控制所有显示灯的亮度相同，或者，当显示组件包括显示屏时，控制显示屏的显示内容为“体外充电器已对准”的文字信息)，从而提示用户体外充电器已对准。
本申请实施例对预设显示状态不作限定，当显示组件包括显示灯时，预设显示状态可以是所有显示灯的亮度相同，或者，所有的显示灯的颜色相同，或者，当显示组件包括显示屏时，预设显示状态可以是显示屏的显示内容为“体外充电器已对准”的文字信息。
在一种可能的实施例中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述对准条件可以包括以下一个或多个：N个所述定位线圈的最小磁场强度不小于第一预设强度；N个所述定位线圈的最大磁场强度与最小磁场强度的差值不大于预设差值。
由此，一方面，当N个定位线圈的最小磁场强度不小于第一预设强度时，N个定位线圈的磁场强度均较大，表明体外充电器的发射线圈较为接近刺激器的充电线圈，以此作为对准条件，满足对准条件时，充电效率较高；另一方面，当N个定位线圈的最大磁场强度与最小磁场强度的差值不大于预设差值时，每个定位线圈的磁场强度都比较平均，不会过大或者过小，表明发射线圈相对于充电线圈的中心的偏移较小，以此作为对准条件，满足对准条件时，对准效果较好。
在一些实施例中，所述磁场强度信息用于指示所述刺激器的目标定位线圈的磁场强度，所述对准条件可以包括：目标定位线圈的磁场强度不小于所述第一预设强度。
本申请实施例对第一预设强度和预设差值的大小不作限定，第一预设强度例如可以是0.2T、0.4T或者0.6T，预设差值例如可以是0.2T、0.4T或者0.8T。
在一具体应用中，N＝4(即定位线圈的数量为4个)，对准条件包括：4个定位线圈中的最小磁场强度不小于0.2T，并且，最大磁场强度与最小磁场强度的差值不大于0.4T。
其中，4个定位线圈的磁场强度依次为0.3T、0.4T、0.5T、0.6T，则4个定位线圈中的最小磁场强度为0.3T，不小于第一预设强度，4个定位线圈中的最大磁场强度与最小磁场强度的差值为0.3T，不大于预设差值，体外充电器的发射线圈与刺激器的充电线圈满足对准条件。
参见图3，在一种可能的实施例中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述显示组件包括与N个所述定位线圈一一对应的N个显示灯；
所述步骤S103可以包括步骤S201～步骤S202。
步骤S201：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
步骤S202：基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
由此，显示组件可以是与定位线圈一一对应的显示灯，当体发射线圈与充电线圈不满足对准条件时，可以基于磁场强度信息，获取每个显示灯的显示参数，具体而言，定位线圈的磁场强度不同，对应的显示灯的显示参数也不同，使得N个显示灯在预设区域内具有多种显示状态，用户可以通过N个显示灯的不同显示状态较为直观地了解到体外充电器没有对准的情况。
在一些实施例中，所述方法还可以包括：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，控制N个所述显示灯在所述预设区域内具有相同的显示状态。
本申请实施例对N个显示灯的排布方式不作限定，N个显示灯的排布方式可以与对应的定位线圈的排布方式相对应，并且为一一对应。在一个实例中，每个显示灯的位置和每个定位线圈的位置可以成镜像分布，在另一个实例中，每个显示灯及其对应的定位线圈之间的距离是固定值。
在一种可能的实施例中，每个所述显示灯的显示参数可以包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
由此，当显示参数包括开关状态时，可以通过控制每个显示灯的点亮与熄灭，使N个显示灯在预设区域内具有多种显示状态(部分显示灯点亮，部分显示灯熄灭)；当显示参数包括亮度时，可以通过控制每个显示灯的电流，使N个显示灯在预设区域内具有多种显示状态(部分显示灯亮度较高，部分显示灯亮度较低)；当显示参数包括颜色时，可以通过控制每个显示灯的颜色，使N个显示灯在预设区域内具有多种显示状态(例如部分显示灯颜色为红色，部分显示灯颜 色为白色)；当显示参数包括闪烁频率时，可以通过控制每个显示灯的闪烁频率，使N个显示灯在预设区域内具有多种显示状态(例如部分显示灯闪烁，部分显示灯不闪烁)。
在一种可能的实施例中，每个所述显示灯的显示参数包括开关状态；
所述步骤S201可以包括：
基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈的磁场强度的平均数；
当所述定位线圈的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为开启；
当所述定位线圈的磁场强度小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为关闭。
由此，显示参数包括开关状态时，可以根据磁场强度信息，计算得到磁场强度参考值，通过比较每个定位线圈的磁场强度和磁场强度参考值，判断定位线圈的磁场强度相比于平均数是偏大还是偏小，以此来控制对应的显示灯的开关状态。
当定位线圈的磁场强度不小于磁场强度参考值时，控制对应的显示灯点亮，当定位线圈的磁场强度小于磁场强度参考值时，控制对应的显示灯熄灭，用户可以通过每个显示灯的开关状态直观了解到对应的每个定位线圈的磁场强度大小，以此为参考对体外充电器进行移动，从而实现体外充电器与刺激器的快速对准。
其中，平均数可以是算术平均数、几何平均数、调和平均数、加权平均数、平方平均数、指数平均数和中位数中的任意一种。
参见图4，在一具体应用中，N＝4(即定位线圈和显示灯的数量为4个)，这4个定位线圈依次设置在刺激器的充电线圈的中心的12点钟方向、3点钟方向、6点钟方向和9点钟方向。与之对应的，4个显示灯可以依次设置在体外充电器(以任意位置为中心)的12点钟方向、3点钟方向、6点钟方向和9点钟方向，4个显示灯对应的标识可以是“上”、“右”、“下”、“左”。
这4个定位线圈的磁场强度依次为0.4T、1.1T、1.2T和1.3T，则磁场强度参考值(算术平均数)为1T，则第一个定位线圈的磁场强度小于磁场强度参考值，控制标识为“上”的显示灯熄灭，其余的显示灯点亮。
在一种可能的实施例中，每个所述显示灯的显示参数包括亮度；
所述步骤S201可以包括：
基于所述磁场强度信息，检测每个所述定位线圈的磁场强度是否大于第二预设强度；
当所述定位线圈的磁场强度不小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第一亮度；
当所述定位线圈的磁场强度小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第二亮度。
由此，显示参数包括亮度时，可以通过比较每个定位线圈的磁场强度和第二预设强度，判断定位线圈的磁场强度相比于第二预设强度是偏大还是偏小，以此来控制对应的显示灯的亮度。
当定位线圈的磁场强度不小于第二预设强度时，控制对应的显示灯的亮度为第一亮度，当定位线圈的磁场强度小于第二预设强度时，控制对应的显示灯的亮度为第二亮度，用户可以通过每个显示灯的亮度直观了解到对应的每个定位线圈的磁场强度大小，以此为参考对体外充电器进行移动，从而实现体外充电器与刺激器的快速对准。
本申请实施例对第二预设强度的大小不作限定，第二预设强度例如可以是0.4T、0.8T或者2T。
参见图5，在一具体应用中，N＝6(即定位线圈和显示灯的数量为6个)，6个定位线圈的标识依次为L1、L2、L3、L4、L5和L6，与之对应的，6个显示灯的标识依次为D1、D2、D3、D4、D5和D6，第二预设强度是1.5T。
其中，6个定位线圈的磁场强度依次为0.4T、1.1T、1.3T、1.6T、1.8T和2.1T，则定位线圈L1、L2、L3的磁场强度小于第二预设强度，定位线圈L4、L5、L6的磁场强度大于第二预设强度；
控制显示灯D1、D2、D3的亮度为第二亮度，显示灯D4、D5、D6的亮度为第一亮度，第一亮度高于第二亮度。
参见图6，在一种可能的实施例中，所述显示组件包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
参见图7，所述步骤S103可以包括步骤S301～步骤S302。
步骤S301：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈 不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
步骤S302：基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
由此，显示组件可以包括光源、透光环、遮罩以及驱动组件，透光环可以使光源发生透射，遮罩可以在驱动组件的驱动下对透光环进行遮挡。
当体外充电器不满足对准条件时，可以基于磁场强度信息，获取透光环的遮挡位置信息，具体而言，定位线圈的磁场强度不同，透光环对应的遮挡位置信息不同，使得透光环被遮罩部分遮挡，从而在预设区域内部分透光、部分不透光，用户可以通过透光环被遮罩部分遮挡的情况较为直观地了解到体外充电器没有对准的情况。
在一些实施例中，所述方法还包括：当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，执行以下任意一种操作：
控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩全部遮挡；
控制所述驱动组件驱动所述遮罩，以使所述透光环不被所述遮罩遮挡。
其中，透光环能够使光源发出的光通过，遮罩用于遮挡光源发出的光。
在一个实例中，所述透光环设置于所述光源与所述遮罩之间。在另一个实例中，所述遮罩位于所述透光环的内部(遮罩设置于光源与透光环之间)。
在一些实施例中，N＝4(即定位线圈的数量为4个)，4个定位线圈依次设置在刺激器(以预设对准位置为中心)的12点钟方向、3点钟方向、6点钟方向和9点钟方向，对应的标识可以是“上”、“右”、“下”、“左”。
4个定位线圈的磁场强度依次为1.6T、1.3T、1.1T和0.8T，基于所有定位线圈中的磁场强度最小的定位线圈确定透光环的遮挡位置，标识为“下”和“左”的定位线圈的磁场强度较小，确定透光环的左下方作为遮挡位置，驱动组件驱动遮罩，以使透光环被遮罩部分遮挡，从而在预设区域内左下部分不透光、其余部分不透光。
参见图8，在一种可能的实施例中，所述显示组件包括显示屏；
所述步骤S103可以包括步骤S401～步骤S402。
步骤S401：基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向；
步骤S402：利用所述显示屏在所述预设区域内显示所述显示内容；
其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
由此，显示组件可以包括显示屏，当发射线圈和充电线圈不满足对准条件时，可以基于磁场强度信息，获取显示屏对应的显示内容，具体而言，定位线圈的磁场强度不同，显示屏对应的显示内容不同，用户可以通过显示屏的显示内容较为直观地了解到体外充电器没有对准的情况。
在一些实施例中，所述方法还可以包括：基于所述磁场强度信息，获取所述体外充电器的发射线圈的中心与所述刺激器的充电线圈的中心的距离；
显示内容可以用于指示所述体外充电器的参考移动方向和参考移动距离；
显示内容可以是文本形式，例如“朝上方移动1厘米”，或者图像形式，例如是一副“向上的箭头”的图像，或者视频的形式动态显示“向上的箭头”。
在一具体应用中，显示内容为一个圆环，圆环部分区域被填充，其余区域为空白，其中，所填充的区域与磁场强度较低的定位线圈的位置所对应。
在另一具体应用中，显示内容可以类似于上述多个显示灯的成像结果。
参见图9，在一种可能的实施例中，所述方法还可以包括步骤S105。
步骤S105：向用户设备发送所述显示内容。
由此，在体外充电器的对准过程中，用户可能不方便长时间低头查看体外充电器的显示屏，通过将显示内容发送至用户设备(例如是手机、计算机、平板电脑、智能穿戴设备等)，使得用户可以利用用户设备查看显示内容，从而了解到体外充电器没有对准的情况。
在一种可能的实施例中，所述方法还可以包括：
当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向。
由此，在体外充电器的对准过程中，用户可能不方便长时间低头查看体外充 电器的显示组件的显示状态，可以通过音频播放装置(例如扬声器)播放音频提示信息，具体而言，定位线圈的磁场强度不同，音频播放装置对应的音频提示信息不同，用户可以通过音频播放装置对应的音频提示信息较为直观地了解到体外充电器没有对准的情况。
本申请对音频播放装置不作限定，音频播放装置可以包括扬声器，音频播放装置可以与体外充电器集成为一体。
本申请对音频提示信息的形式不作限定，音频提示信息的形式可以人工合成音、真人语音、系统提示音等。
参见图10，在一种可能的实施例中，所述方法还可以包括步骤S106。
步骤S106：当检测到所述体外充电器与所述刺激器的距离小于所述预设距离时，断开所述刺激器与程控设备的通信连接。
由此，当利用体外充电器为刺激器充电时，体外充电器与刺激器处于通信连接的状态，此时断开刺激器与程控设备的通信连接，可以避免信号干扰，实现充电不程控的效果，避免充电影响远程程控。
参见图11，本申请实施例还提供了一种体外充电器100，其具体实施例与上述方法的实施例中记载的实施例、所达到的技术效果一致，部分内容不再赘述。
所述体外充电器100用于为植入患者体内的刺激器200充电，所述体外充电器100包括第一控制器110、用于发射电磁脉冲的发射线圈120和用于显示的显示组件130；
所述第一控制器110被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于预设距离时，获取所述刺激器200的磁场强度信息，所述磁场强度信息用于指示所述刺激器200的一个或多个定位线圈230的磁场强度，其中，所述刺激器200的定位线圈230的数量是N个且每个所述定位线圈230的中心与所述刺激器200的充电线圈220的中心的距离相等，N是大于1的整数；
基于所述磁场强度信息，检测所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220是否满足对准条件；
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件130在 预设区域内具有多种显示状态，用于提示用户所述体外充电器100未对准。
在一些实施例中，所述第一控制器110还被配置成：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220满足所述对准条件时，控制所述显示组件130在预设区域内具有预设显示状态，用于提示用户所述体外充电器100已对准。
在一些实施例中，所述磁场强度信息用于指示所述刺激器200的N个定位线圈230的磁场强度，所述对准条件包括以下一个或多个：N个所述定位线圈230的最小磁场强度不小于第一预设强度；N个所述定位线圈230的最大磁场强度与最小磁场强度的差值不大于预设差值。
在一些实施例中，所述磁场强度信息用于指示所述刺激器200的N个定位线圈230的磁场强度，所述显示组件130包括与N个所述定位线圈230一一对应的N个显示灯；
所述第一控制器110被进一步配置成采用如下方式控制所述显示组件130的显示状态：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
在一些实施例中，每个所述显示灯的显示参数包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
在一些实施例中，每个所述显示灯的显示参数包括开关状态；
所述第一控制器110被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈230的磁场强度的平均数；
当所述定位线圈230的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈230对应的显示灯的显示参数为开启；
当所述定位线圈230的磁场强度小于所述磁场强度参考值时，确定所述定位 线圈230对应的显示灯的显示参数为关闭。
在一些实施例中，每个所述显示灯的显示参数包括亮度；
所述第一控制器110被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，检测每个所述定位线圈230的磁场强度是否大于第二预设强度；
当所述定位线圈230的磁场强度不小于第二预设强度时，确定所述定位线圈230对应的显示灯的显示参数为第一亮度；
当所述定位线圈230的磁场强度小于第二预设强度时，确定所述定位线圈230对应的显示灯的显示参数为第二亮度。
在一些实施例中，所述显示组件130包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
所述第一控制器110被进一步配置成采用如下方式控制所述显示组件130的显示状态：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
在一些实施例中，所述显示组件130包括显示屏；
所述第一控制器110被进一步配置成采用如下方式控制所述显示组件130的显示状态：
基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈230的磁场强度信息；所述体外充电器100的参考移动方向；
利用所述显示屏在所述预设区域内显示所述显示内容；
其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
在一些实施例中，所述第一控制器110还被配置成：
向用户设备发送所述显示内容。
在一些实施例中，所述第一控制器110还被配置成：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈230的磁场强度信息；所述体外充电器100的参考移动方向。
在一些实施例中，所述第一控制器110还被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于所述预设距离时，断开所述刺激器200与程控设备的通信连接。
参见图12，本申请实施例还提供了一种刺激器200，其具体实施例与上述方法的实施例中记载的实施例、所达到的技术效果一致，部分内容不再赘述。
所述刺激器200用于植入于患者体内，所述刺激器200包括第二控制器210、用于与体外充电器100的发射线圈120耦合以实现能量传递的充电线圈220以及用于辅助定位的N个定位线圈230，每个所述定位线圈230的中心与所述刺激器200的充电线圈220的中心的距离相等，N是大于1的整数；
所述第二控制器210被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于预设距离时，获取所述刺激器200的磁场强度信息，所述磁场强度信息用于指示所述刺激器200的一个或多个定位线圈230的磁场强度；
基于所述磁场强度信息，检测所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220是否满足对准条件；
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制所述体外充电器100的显示组件130在预设区域内具有多种显示状态，用于提示用户所述体外充电器100未对准。
在一些实施例中，所述第二控制器210还被配置成：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220满足所述对准条件时，控制所述显示组件130在预设区域内具有预设显示状态，用于提示用户所述体外充电器100已对准。
在一些实施例中，所述磁场强度信息用于指示所述刺激器200的N个定位线圈230的磁场强度，所述对准条件包括以下一个或多个：N个所述定位线圈230的最小磁场强度不小于第一预设强度；N个所述定位线圈230的最大磁场强度与最小磁场强度的差值不大于预设差值。
在一些实施例中，所述磁场强度信息用于指示所述刺激器200的N个定位线圈230的磁场强度，所述显示组件130包括与N个所述定位线圈230一一对应的N个显示灯；
所述第二控制器210被进一步配置成采用如下方式控制所述显示组件130的显示状态：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
在一些实施例中，每个所述显示灯的显示参数包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
在一些实施例中，每个所述显示灯的显示参数包括开关状态；
所述第二控制器210被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈230的磁场强度的平均数；
当所述定位线圈230的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈230对应的显示灯的显示参数为开启；
当所述定位线圈230的磁场强度小于所述磁场强度参考值时，确定所述定位线圈230对应的显示灯的显示参数为关闭。
在一些实施例中，每个所述显示灯的显示参数包括亮度；
所述第二控制器210被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
基于所述磁场强度信息，检测每个所述定位线圈230的磁场强度是否大于第 二预设强度；
当所述定位线圈230的磁场强度不小于第二预设强度时，确定所述定位线圈230对应的显示灯的显示参数为第一亮度；
当所述定位线圈230的磁场强度小于第二预设强度时，确定所述定位线圈230对应的显示灯的显示参数为第二亮度。
在一些实施例中，所述显示组件130包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
所述第二控制器210被进一步配置成采用如下方式控制所述显示组件130的显示状态：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
在一些实施例中，所述显示组件130包括显示屏；
所述第二控制器210被进一步配置成采用如下方式控制所述显示组件130的显示状态：
基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈230的磁场强度信息；所述体外充电器100的参考移动方向；
利用所述显示屏在所述预设区域内显示所述显示内容；
其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
在一些实施例中，所述第二控制器210还被配置成：
向用户设备发送所述显示内容。
在一些实施例中，所述第二控制器210还被配置成：
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈230 的磁场强度信息；所述体外充电器100的参考移动方向。
在一些实施例中，所述第二控制器210还被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于所述预设距离时，断开所述刺激器200与程控设备的通信连接。
本申请实施例还提供了一种控制设备300，其具体实施例与上述方法的实施例中记载的实施例、所达到的技术效果一致，部分内容不再赘述。
所述控制设备300用于控制体外充电器100和植入患者体内的刺激器200，所述体外充电器100用于为所述刺激器200充电，所述体外充电器100包括用于发射电磁脉冲的发射线圈120和用于显示的显示组件130，所述刺激器200包括用于与所述体外充电器100的发射线圈120耦合以实现能量传递的充电线圈220以及用于辅助定位的N个定位线圈230，每个所述定位线圈230的中心与所述刺激器200的充电线圈220的中心的距离相等，N是大于1的整数，所述控制设备300被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于预设距离时，获取所述刺激器200的磁场强度信息，所述磁场强度信息用于指示所述刺激器200的一个或多个定位线圈230的磁场强度；
基于所述磁场强度信息，检测所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220是否满足对准条件；
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件130在预设区域内具有多种显示状态，用于提示用户所述体外充电器100未对准。
参见图13，本申请实施例还提供了一种植入式神经刺激系统400，其具体实施例与上述方法的实施例中记载的实施例、所达到的技术效果一致，部分内容不再赘述。
所述植入式神经刺激系统400包括植入患者体内的刺激器200、体外充电器100以及控制设备300；
所述体外充电器100用于为所述刺激器200充电，所述体外充电器100包括用于发射电磁脉冲的发射线圈120和用于显示的显示组件130，所述刺激器200包括用于与所述体外充电器100的发射线圈120耦合以实现能量传递的充电线圈 220以及用于辅助定位的N个定位线圈230，每个所述定位线圈230的中心与所述刺激器200的充电线圈220的中心的距离相等，N是大于1的整数；
所述控制设备300被配置成：
当检测到所述体外充电器100与所述刺激器200的距离小于预设距离时，获取所述刺激器200的磁场强度信息，所述磁场强度信息用于指示所述刺激器200的一个或多个定位线圈230的磁场强度；
基于所述磁场强度信息，检测所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220是否满足对准条件；
当检测到所述体外充电器100的发射线圈120与所述刺激器200的充电线圈220不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件130在预设区域内具有多种显示状态，用于提示用户所述体外充电器100未对准。
在一实际应用中，所述控制设备300可以与所述体外充电器100集成为一体；
在另一具体应用中，所述控制设备300可以与所述刺激器200集成为一体。
在另一具体应用中，所述控制设备300可以包括多个控制单元，其中，一部分所述控制单元与所述体外充电器100集成为一体，另一部分所述控制单元与所述刺激器200集成为一体。
本申请还提供了一种计算机可读存储介质，该计算机可读存储介质用于存储计算机程序，所述计算机程序被处理器执行时实现本申请实施例中方法的步骤，其具体实施例与上述方法的实施例中记载的实施例、所达到的技术效果一致，部分内容不再赘述。
图14示出了本实施例提供的用于实现上述实时视频处理方法的程序产品500，其可以采用便携式紧凑盘只读存储器(CD-ROM)并包括程序代码，并可以在终端设备，例如个人电脑上运行。然而，本发明的程序产品500不限于此，在本申请中，可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。程序产品500可以采用一个或多个可读介质的任意组合。可读介质可以是可读信号介质或者可读存储介质。可读存储介质例如可以为但不限于电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式盘、硬盘、随机存取存储器(R  AM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。
计算机可读存储介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了可读程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。可读存储介质还可以是任何可读介质，该可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。可读存储介质上包含的程序代码可以用任何适当的介质传输，包括但不限于无线、有线、光缆、RF等，或者上述的任意合适的组合。可以以一种或多种程序设计语言的任意组合来编写用于执行本发明操作的程序代码，程序设计语言包括面向对象的程序设计语言诸如Java、C++等，还包括常规的过程式程序设计语言诸如C语言或类似的程序设计语言。程序代码可以完全地在用户计算设备上执行、部分地在用户设备上执行、作为一个独立的软件包执行、部分在用户计算设备上部分在远程计算设备上执行、或者完全在远程计算设备或服务器上执行。在涉及远程计算设备的情形中，远程计算设备可以通过任意种类的网络，包括局域网(LAN)或广域网(WAN)，连接到用户计算设备，或者，可以连接到外部计算设备(例如利用因特网服务提供商来通过因特网连接)。

Claims (17)

  1. 一种体外充电器，所述体外充电器用于为植入患者体内的刺激器充电，所述体外充电器包括第一控制器、用于发射电磁脉冲的发射线圈和用于显示的显示组件；
    所述第一控制器被配置成：
    当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度，其中，所述刺激器的定位线圈的数量是N个且每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
    基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
  2. 根据权利要求1所述的体外充电器，其中，所述第一控制器还被配置成：
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈满足所述对准条件时，控制所述显示组件在预设区域内具有预设显示状态，用于提示用户所述体外充电器已对准。
  3. 根据权利要求1所述的体外充电器，其中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述对准条件包括以下一个或多个：N个所述定位线圈的最小磁场强度不小于第一预设强度；N个所述定位线圈的最大磁场强度与最小磁场强度的差值不大于预设差值。
  4. 根据权利要求1所述的体外充电器，其中，所述磁场强度信息用于指示所述刺激器的N个定位线圈的磁场强度，所述显示组件包括与N个所述定位线圈一一对应的N个显示灯；
    所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述 对准条件时，基于所述磁场强度信息，获取每个所述显示灯的显示参数；
    基于每个所述显示灯的显示参数，生成控制指令并分别发送至对应的显示灯，以使N个所述显示灯在所述预设区域内具有多种显示状态。
  5. 根据权利要求4所述的体外充电器，其中，每个所述显示灯的显示参数包括以下一个或多个：开关状态；亮度；颜色；闪烁频率。
  6. 根据权利要求5所述的体外充电器，其中，每个所述显示灯的显示参数包括开关状态；
    所述第一控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
    基于所述磁场强度信息，计算得到磁场强度参考值，所述磁场强度参考值是N个所述定位线圈的磁场强度的平均数；
    当所述定位线圈的磁场强度不小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为开启；
    当所述定位线圈的磁场强度小于所述磁场强度参考值时，确定所述定位线圈对应的显示灯的显示参数为关闭。
  7. 根据权利要求5所述的体外充电器，其中，每个所述显示灯的显示参数包括亮度；
    所述第一控制器被进一步配置成采用如下方式获取每个所述显示灯的显示参数：
    基于所述磁场强度信息，检测每个所述定位线圈的磁场强度是否大于第二预设强度；
    当所述定位线圈的磁场强度不小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第一亮度；
    当所述定位线圈的磁场强度小于第二预设强度时，确定所述定位线圈对应的显示灯的显示参数为第二亮度。
  8. 根据权利要求1所述的体外充电器，其中，所述显示组件包括光源、透光环、遮罩以及用于驱动所述遮罩的驱动组件；
    所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状 态：
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，获取所述透光环的遮挡位置信息；
    基于所述透光环的遮挡位置信息，控制所述驱动组件驱动所述遮罩，以使所述透光环被所述遮罩部分遮挡，从而在所述预设区域内部分透光、部分不透光。
  9. 根据权利要求1所述的体外充电器，其中，所述显示组件包括显示屏；
    所述第一控制器被进一步配置成采用如下方式控制所述显示组件的显示状态：
    基于所述磁场强度信息，获取所述显示屏对应的显示内容，所述显示内容用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向；
    利用所述显示屏在所述预设区域内显示所述显示内容；
    其中，所述显示内容的形式包括以下一个或多个：文本；图像；视频。
  10. 根据权利要求9所述的体外充电器，其中，所述第一控制器还被配置成：
    向用户设备发送所述显示内容。
  11. 根据权利要求1所述的体外充电器，其中，所述第一控制器还被配置成：
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制音频播放装置播放音频提示信息；
    其中，所述音频提示信息用于指示以下一个或多个：每个所述定位线圈的磁场强度信息；所述体外充电器的参考移动方向。
  12. 根据权利要求1所述的体外充电器，其中，所述第一控制器还被配置成：
    当检测到所述体外充电器与所述刺激器的距离小于所述预设距离时，断开所述刺激器与程控设备的通信连接。
  13. 一种刺激器，所述刺激器用于植入于患者体内，所述刺激器包括第二控制器、用于与体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
    所述第二控制器被配置成：
    当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
    基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述体外充电器的显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
  14. 一种控制设备，用于控制体外充电器和植入患者体内的刺激器，所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数，所述控制设备被配置成：
    当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
    基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
  15. 一种控制方法，用于控制体外充电器和植入患者体内的刺激器，所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数，所述方法包括：
    当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
    基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
  16. 一种植入式神经刺激系统，所述植入式神经刺激系统包括植入患者体内的刺激器、体外充电器以及控制设备；
    所述体外充电器用于为所述刺激器充电，所述体外充电器包括用于发射电磁脉冲的发射线圈和用于显示的显示组件，所述刺激器包括用于与所述体外充电器的发射线圈耦合以实现能量传递的充电线圈以及用于辅助定位的N个定位线圈，每个所述定位线圈的中心与所述刺激器的充电线圈的中心的距离相等，N是大于1的整数；
    所述控制设备被配置成：
    当检测到所述体外充电器与所述刺激器的距离小于预设距离时，获取所述刺激器的磁场强度信息，所述磁场强度信息用于指示所述刺激器的一个或多个定位线圈的磁场强度；
    基于所述磁场强度信息，检测所述体外充电器的发射线圈与所述刺激器的充电线圈是否满足对准条件；
    当检测到所述体外充电器的发射线圈与所述刺激器的充电线圈不满足所述对准条件时，基于所述磁场强度信息，控制所述显示组件在预设区域内具有多种显示状态，用于提示用户所述体外充电器未对准。
  17. 一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述计算机程序被处理器执行时实现权利要求15所述方法的步骤。
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CN106730342A (zh) * 2017-01-14 2017-05-31 北京品驰医疗设备有限公司 一种具有电极移位提示功能的植入式骶神经刺激器
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US20110257710A1 (en) * 2010-04-20 2011-10-20 Boston Scientific Neuromodulation Corporation Method and apparatus for alerting a user of neurostimulation lead migration
CN106730342A (zh) * 2017-01-14 2017-05-31 北京品驰医疗设备有限公司 一种具有电极移位提示功能的植入式骶神经刺激器
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