Implantable nerve electric stimulation and method with automatic warning function
Technical field
The present invention relates to the implantable medical device field, especially have the nerve electric stimulation system of automatic warning function.
Background technology
Nerve electric stimulation has important effect in maladjusted nervous system treatment and nerve injury rehabilitation.The implantable nerve electric stimulation through in human body such as nervus motorius, sensorineural specific neural place implant electrode, discharge high-frequency electrical stimulation, so that specific nerve nucleus is stimulated, thereby make function of human body return to the state of normal operation.
At present; The implantable nerve electric stimulation mainly comprises and is used to treat the implanted brain deep electricity irritation (DBS with typical motion obstruction type diseases such as parkinson disease; Be commonly called as brain pacemaker), the implanted cortex stimulates (CNS), implanted spinal cord stimulation trial system (SCS); Implanted sacral nerves electric stimulation (SNS), implanted vagus nerve electric stimulation (VNS) or the like.
Known implantable nerve electric stimulation mainly comprises pulse generator, electrode and external control device usually.Wherein, the burst transmissions that pulse generator is produced arrives electrode thereby pulse generator is connected with electrode, so that nerve is carried out electricity irritation.External control device comprises doctor's program control instrument, patient's controller.Wherein, patient's controller is to be the device of being used for of being equipped with of patient according to the output parameter of pulse generator in own situation gauge tap or the control agent, and patient usually only can adjusting voluntarily in the range of accommodation that the doctor is provided with.Patient's controller can communicate through wireless communications mode, magnetic coil or other communication modes and pulse generator.
When pulse generator detects the system failure or when unusual, needs timely alert notice patient usually, patient is according to fault or abnormal conditions go to hospital to send for a doctor to fix a breakdown or get rid of voluntarily.Still do not have above-mentioned fault or unusual warning function automatically in the pulse generator in the market, fix a breakdown through doctor's program controller by the doctor to hospital in the time of can only waiting patient to note abnormalities or do not feel well, so handling failure in time.Especially carrying out specific behavior when driving as patient, all there are certain risk in implant patient and other people.
Summary of the invention
To the deficiency that exists in the prior art; The technical problem that the present invention will solve provides the lower implantable nerve electric stimulation with automatic warning function of a kind of energy consumption; Detect the system failure or when unusual at pulse generator; Can wake patient's controller automatically up and send alarm signal through wireless communication module, in time notify patient to fix a breakdown or unusually by patient's controller.
According to technical scheme provided by the present invention, a kind of implantable nerve electric stimulation with automatic warning function comprises: the pulse generator that implants, and said pulse generator comprises first wireless communication module;
Be positioned at external patient's controller, said patient's controller comprises second wireless communication module, micro treatment module, the alarm module that is used for the pulse generator radio communication;
When said pulse generator detects the system failure or sends wake-up signal when unusual and wake patient's controller automatically up and get into wireless communication state; Said pulse generator is sent to patient's controller with warning message through first wireless communication module and second wireless communication module, and the alarm module of said patient's controller sends the appreciable alarm signal of patient.
Preferably; After said patient's controller receives warning message; Micro treatment module by said patient's controller is analyzed this warning message, breaks down or unusually, the microprocessor module of then said patient's controller sends alarm command to alarm module like the affirmation system.
Preferably; The alarm module of said patient's controller is one or more the combination in speaker, buzzer, photoelectric alarm or the vibrating motor; System breaks down or when unusual, patient's controller then can send the alarm signal of multiple modes such as sound, light, vibration and in time notify patient.
Preferably; Said pulse generator and patient's controller all have the state of listening to and communications status two states at least at full speed; When said pulse generator detects the system failure or unusual back when patient's controller sends wake-up signal, said patient's controller is in the state of listening to; When warning message that said patient's controller received pulse generator transmits, said patient's controller is in communications status at full speed.
Preferably; When said pulse generator detects the system failure or when unusual; First wireless communication module of said pulse generator constantly or periodically sends wake-up signal to second wireless communication module of patient's controller, and second wireless communication module of said patient's controller is in all the time and continues to listen to state.
Preferably; When said pulse generator detects the system failure or when unusual; First wireless communication module of said pulse generator regularly sends wake-up signal to second wireless communication module of patient's controller, and second wireless communication module of said patient's controller and first wireless communication module are in the state of listening to synchronously and periodically.
Preferably, said patient's controller also comprises the 3rd communication module, and the warning message that said the 3rd communication module is sent the pulse generator that receives is uploaded to attending doctor's remote supervision system through cellular radio communication network or standard telephone network.
Preferably, after patient's controller receives the warning message that pulse generator sends, said the 3rd communication module automatically upload this warning message or confirm by patient after upload this warning message again to remote supervision system.
Preferably, described fault or abnormal signal are that battery is unusual, electrode is unusual, system resets, one or more the combination in the self check fault.
Preferably, said implantable nerve electric stimulation is a kind of in implanted brain deep electric stimulation, implanted cortex electric stimulation, implanted spinal cord stimulation trial system, implanted sacral nerves electric stimulation or the implanted vagus nerve electric stimulation.
The method that the present invention also provides a kind of implantable nerve electric stimulation to report to the police automatically; The pulse generator of this system comprises first wireless communication module; Patient's controller comprises second wireless communication module, micro treatment module, the alarm module that is used for the pulse generator radio communication, may further comprise the steps:
A: said pulse generator carries out System self-test;
B: when said pulse generator detects the system failure or sends wake-up signal when unusual and wake patient's controller automatically up and get into wireless communication state;
C: said pulse generator is sent to patient's controller with warning message through first wireless communication module and second wireless communication module;
D: the alarm module by said patient's controller sends the appreciable alarm signal of patient.
Preferably; Between step C and D, also has the step of this warning message being carried out analysis confirmation by the micro treatment module of said patient's controller; As confirm that system breaks down or unusually, the microprocessor module of then said patient's controller sends alarm command to alarm module.
Preferably, the alarm module of said patient's controller is one or more the combination in speaker, buzzer, photoelectric alarm or the vibrating motor.
Preferably; In step B, detect the system failure or when unusual when said pulse generator; First wireless communication module of said pulse generator constantly or periodically sends wake-up signal to second wireless communication module of patient's controller, and second wireless communication module of said patient's controller is in all the time and continues to listen to state.
Preferably; In step B, detect the system failure or when unusual when said pulse generator; First wireless communication module of said pulse generator regularly sends wake-up signal to second wireless communication module of patient's controller, and second wireless communication module of said patient's controller and first wireless communication module are in the state of listening to synchronously and periodically.
Preferably, said patient's controller also comprises the 3rd communication module, and the warning message that said the 3rd communication module is sent the pulse generator that receives is uploaded to attending doctor's remote supervision system through cellular radio communication network or standard telephone network.
Preferably, behind step D, said the 3rd communication module automatically upload this warning message or confirm by patient after upload this warning message again to remote supervision system.
Preferably, the described system failure or abnormal signal are that battery is unusual, electrode is unusual, system resets, one or more the combination in the self check fault.
Preferably, said implantable nerve electric stimulation is a kind of in implanted brain deep electric stimulation, implanted cortex electric stimulation, implanted spinal cord stimulation trial system, implanted sacral nerves electric stimulation or the implanted vagus nerve electric stimulation.
Compared with prior art, advantage of the present invention is:
The present invention has utilized existing wireless communication module in pulse generator and the patient's controller; Only need software control can realize detecting the system failure or when unusual, pulse generator wakes patient's controller automatically up through wireless communication module and gets into communication pattern at full speed, sends detected signal to the patient controller when pulse generator; By patient's controller this signal is analyzed; If the judgement system breaks down or unusually, be arranged on that alarm module then sends alarm signal automatically in patient's controller, can in time notify patient to fix a breakdown or unusually; Need not increases extra energy-dissipating device, and energy consumption is less.
Description of drawings
Accompanying drawing 1 is module principle figure of the present invention (first kind of embodiment);
Accompanying drawing 2 is module principle figure of the present invention (second kind of embodiment);
Accompanying drawing 3 is an automatic alert program flow chart of the present invention;
Wherein:
1, pulse generator; 101, first wireless communication module; 102, first power supply; 2, patient's controller; 201, second wireless communication module; 202, micro treatment module; 203, alarm module; 204, second source; 205, third communication module.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation:
Embodiment one:
Shown in accompanying drawing 1, a kind of implantable nerve electric stimulation with automatic warning function comprises: the pulse generator 1 that implants, said pulse generator 1 comprise first wireless communication module 101 and first power supply 102; And being positioned at external patient's controller 2, said patient's controller 2 comprises second wireless communication module 201, micro treatment module 202, alarm module 203 and the second source 204 that is used for pulse generator 1 radio communication.
Described patient's controller 2 is communicated by letter with second wireless communication module, 201 self-timings through first wireless communication module 101 with pulse generator 1 under the normal operating conditions.Because pulse generator 1 is that intravital its battery capacity of implant patient is fixed; For the saves energy pulse generator most of the time is in resting state; Pulse generator 1 communicates with certain frequency time opening communication window with patient's controller 2, that is to say that pulse generator 1 and patient's controller are in resting state simultaneously and are in the state of listening to simultaneously.Certainly, because patient's controller 2 does not receive the limited restriction of battery capacity, also can be in the state of listening to all the time under the normal operating conditions.
Patient's controller 2 is an One-to-one communication with the pulse generator 1 that patient implants; Be that the signal that pulse generator 1 sends can only be received that this unique patient's controller 2 also can only be controlled the intravital pulse generator 1 of this patient by unique patient's controller 2 of correspondence.Patient's controller 2 is placed on the place nearer apart from patient usually, is placed on the head of a bed during like rest, so wireless communication signals can be listened to reliably.
Accompanying drawing 3 shows the method that implantable nerve electric stimulation of the present invention is reported to the police automatically; At first pulse generator self check; Judge when said pulse generator 1 and to detect the system failure or when unusual; Then send wake-up signal and wake patient's controller 2 entering wireless communication states automatically up; Pulse generator 1 is sent to patient's controller 2 with warning message through first wireless communication module 101 and second wireless communication module 201 then, is analyzed by 202 pairs of these warning messages of micro treatment module of said patient's controller 2, like patient's controller 2 judgement systems fault or unusual has taken place really; The micro treatment module 202 of then said patient's controller 2 sends the alarm signal that patient can perceive to alarm module 203, in time notifies implant patient to go to hospital to fix a breakdown and avoids contingent danger.As judge that system does not break down or unusually, then patient's controller 2 does not send alarm signal.
After patient's controller 2 received warning message, for example some serious and definite alarm signals were low excessively such as cell voltage, and the micro treatment module 202 of patient's controller 2 also can not analyzed directly warning message and send alarm command to alarm module 203.
Compared with prior art; The present invention has utilized existing wireless communication module in pulse generator and the patient's controller; Need not in pulse generator, to increase again extra power consumption alarm device; Only need software control can realize detecting the system failure or the warning automatically of unusual back, in time notify patient to fix a breakdown or unusually, energy consumption is minimum when pulse generator.
The system failure of described pulse generator self check or abnormal signal are that battery is unusual, electrode is unusual, system resets, one or more the combination in the self check fault.The alarm module 203 of patient's controller 2 can be one or more the combination in speaker, buzzer, photoelectric alarm or the vibrating motor, when the pulse generator self check is broken down or be unusual, sends sound, light or vibration signal etc. and can in time be notified patient by the automatic warning of the signal of patient's perception.
Pulse generator 1 and patient's controller 2 all have the state of listening to and communications status two states at least at full speed; When said pulse generator 1 detects the system failure or unusual back when patient's controller 2 sends wake-up signals, said pulse generator 1 all is in the state of listening to patient's controller 2; When warning message that said patient's controller 2 received pulse generators transmit, said pulse generator 1 all is in communications status at full speed with patient's controller 2.
When said pulse generator 1 detects the system failure or when unusual, can have multiple communication mode that warning message is passed to patient's controller 2.First kind of communication mode be, first wireless communication module 101 of pulse generator 1 continues to send wake-up signal to second wireless communication modules 201 of patient's controller 2, and second wireless communication module 201 of patient's controller 2 also is in all the time and continues to listen to state.This communication mode can guarantee that pulse generator 1 passes to patient's controller 2 in the very first time with warning message, but power consumption relatively.
Second kind of communication mode is; When pulse generator 1 detects the system failure or when unusual; First wireless communication module 101 of said pulse generator 1 regularly sends wake-up signal to second wireless communication module 201 of patient's controller 2; Because patient's controller 2 does not receive the restriction of battery capacity, second wireless communication module 201 of said patient's controller 2 is in all the time and continues to listen to state.
The third communication mode is; When said pulse generator detects the system failure or when unusual; First wireless communication module 101 of said pulse generator 1 regularly sends wake-up signal to second wireless communication module 201 of patient's controller 2; Second wireless communication module 201 and first wireless communication module 101 of said patient's controller 2 are in the state of listening to synchronously and periodically, and this communication mode is more saved energy consumption with respect to above-mentioned other two kinds.
Implantable nerve electric stimulation with automatic warning function of the present invention can be a kind of in implanted brain deep electric stimulation, implanted cortex electric stimulation, implanted spinal cord stimulation trial system, implanted sacral nerves electric stimulation or the implanted vagus nerve electric stimulation.
Embodiment two:
Identical among the pulse generator of the implantable nerve electric stimulation of this embodiment and the embodiment one; Different with embodiment one is; Shown in accompanying drawing 2; Said patient's controller 2 has also increased by the 3rd communication module 205 on the basis of embodiment one, the warning message that said the 3rd communication module 205 is sent the pulse generator that receives 1 is uploaded to its attending doctor's remote supervision system through cellular radio communication network or standard telephone network.The doctor can see these warning messages and in time handling through the NMS of safety.In the time of necessary, the doctor can also open the treatment prescription to this implant patient through the working condition of this system's adjustment patient device, has saved patient the come and go time and the expense of hospital.
After patient's controller 2 received the warning message that pulse generator 1 sends, said the 3rd communication module 205 can automatically be uploaded this warning message to remote supervision system, uploaded after also can being confirmed this warning message by patient, to avoid maloperation again.
The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence; Those skilled in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the scope of claim protection of the present invention.