CN105363127A - Sacral nerve stimulation generator - Google Patents
Sacral nerve stimulation generator Download PDFInfo
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- CN105363127A CN105363127A CN201510861185.XA CN201510861185A CN105363127A CN 105363127 A CN105363127 A CN 105363127A CN 201510861185 A CN201510861185 A CN 201510861185A CN 105363127 A CN105363127 A CN 105363127A
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Abstract
The present invention discloses a sacral nerve stimulation generator. The sacral nerve stimulation generator comprises a MCU control module, a stimulation generation module, a UI control module, a power supply management module and a protective circuit module. The sacral nerve stimulation generator is used through combination of an electrode converter and an implanted electrode and is able to generate continuous electric pulse stimulation, and the continuous electric pulse stimulation is transmitted to a human body stimulation target spot through the electrode converter and the implanted electrode and is configured to perform electrical stimulation of target nerves at multiple positions. According to the invention, satisfactory effects of application in the fields of treatments of urinary incontinence, urinary retention, Parkinson disease, spinal cord neuralgia and peripheral electric stimulation, peripheral electric stimulation treatment and the like are achieved.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of sacral nerve stimulation generator.
Background technology
For the patient of spinal cord injury, often there is the phenomenon of the reflection of detrusor of bladder height and detrusor sphincter dyssynergia, cause urine retention and renal damage, mostly adopted Drug therapy in the past, interrupted catheterization treatment and various operative treatment etc., but it is undesirable to there is effect, treatment cycle is long, the shortcomings such as complication is many, until the appearance of sacral nerve roots stimulator, it is based on the detrusor principle different with sphincter biological characteristics, when adopting discontinuous pulses to stimulate, can because urinating appears in the intravesical pressure of lasting rising between twice stimulation period, but this mode of urinating belongs to one and manually to urinate pattern, stimulus parameter can not adjust by suitable carrying out, intravesical pressure is very high sometimes causes injury of kidney, secondly before sacral nerves, root comprises the nerve fiber of some domination lower limb, the shake of lower limb can be there is when stimulating, the use of inconvenient patient, before using early stage sacral nerves during root stimulating system, sacral posterior rhizotomy must be carried out, the height can eliminating detrusor like this opens reflection, but do like this and also can produce some problems, such as: lose defecation reflex and erection reflex, for some male patients, such cost is unacceptable.
Rijkhoff in 1991 etc. propose anode block technique, the conduction of the nerve that suppression diameter is large can be selected by this technology, realize minor diameter neural excited separately, this technology is applied in the process of root electricity irritation before sacral nerves by we, thus makes pattern physiological more of urinating.Before application anode block technique carries out electricity irritation sacral nerves, the method for root not only can be used for improvement and urinates, easy to use, also defecation may be improved in the future, make sacral nerve root stimulation technology be more suitable for the patient of incomplete injury of spinal cord, eliminate pain problem during incomplete injury of spinal cord patient electricity irritation.In addition, do not need to carry out sacral posterior rhizotomy by this kind of method treatment spastic bladder and will become possibility yet.
Some medical science and technology companies, comprise U.S.'s Medtronic, Hangzhou China promise medical science and technology company limited develop relevant full-implantation type sacral nerve stimulator system in succession.But before formal implant into body, client need is by an examination of curative effect process, and in this process of 2 weeks by a definite date, doctor uses stimulated in vitro generator and stimulating electrode, Reality simulation electric pulse stimulation inspection curative effect.Patient only has by just can formally implant sacral nerve stimulator system after therapeutic efficacy screening.
Summary of the invention
In view of this, the object of the invention is to propose one both can independently use, the external sacral nerve stimulation generator that can use with sacral nerve stimulation system support again, coordinate electrode converter, utilize intervention means that stimulating electrode is implanted specific sacral nerves, and the stimulating current of short pulse in addition, the electrophysiological characteristics of neurocyte itself is deprived with this, to activate excited artificially or to suppress nervous pathway, the sacral nerves reflex arc that interference is abnormal, and then affect and regulate bladder, the behavior of the effector organ of sacral nerves domination such as at the bottom of sphincter of urethra and basin, play the effect of neuroregulation, treatment lower urinary tract and pelvic floor dysfunction disease.
Based on above-mentioned purpose a kind of sacral nerve stimulation generator provided by the invention, comprise MCU control module, stimulate generation module, UI control module, power management module and protection circuit module, wherein,
There is module and UI control module is connected respectively with described stimulation in described MCU control module, the signal received from UI control module is carried out treatment and analysis, control signal exported to stimulate module occurs;
Described stimulation generation module comprises to stimulate amplifying circuit and stimulates circuit for generating, after stimulating generation module to receive the control signal from MCU control module, arranges, produces boost pulse, export boost pulse by UI control module to stimulus frequency, pulsewidth;
Described UI control module comprises feedback unit, display unit, push-button unit and channel selection unit, and described feedback unit, display unit are connected with described MCU control module with push-button unit, and described channel selection unit module occurs is connected with described stimulation; Feedback unit, by after the voltage acquisition process of stimulation target spot, is exported to MCU control module and is carried out analytical calculation, at least can obtain the resistance value stimulating target spot.
Described power management module comprises battery, DCDC electric pressure converter and LDO linear voltage regulator, and battery is connected with LDO linear voltage regulator respectively with by DCDC electric pressure converter, is other module for power supply after the two conversion;
There is module be connected with power management module with described stimulation in described protection circuit module, at least comprises electrostatic protection unit and voltage monitoring unit, carries out overvoltage protection, electrostatic protection to stimulating the output that module occurs; Polarity protection is carried out to power management module., there is model calling with stimulation in electrostatic protection unit, carries out electrostatic defending to stimulation output port; Voltage monitoring unit, carries out voltage monitoring to electric stimulation pulse, overvoltage protection and overcurrent protection.
Preferably, there is module by stimulating electrode transducer and stimulating electrode conbined usage in described stimulation, directly carries out effective stimulus to stimulation target spot by stimulating electrode.
Preferably, described display unit comprises LCD display and display button.
Preferably, described channel selection unit comprises the mechanical switch selected for stimulation channels.
Preferably, described DCDC electric pressure converter connects described stimulation generation module and protection circuit module.
Preferably, described LDO linear voltage regulator connects described MCU control module, display unit and push-button unit.
Preferably, the amplitude range of described boost pulse is 0V-10V, and stimulation voltage step-length is more than or equal to 50mV.
Preferably, described boost pulse frequency range is 1-140Hz, and stimulus frequency step-length is more than or equal to 1Hz.
Preferably, the pulse duration range of described boost pulse is 50-500us, stimulates pulsewidth step-length to be more than or equal to 30us.
In sum, the sacral nerve stimulation generator that the present invention describes, can produce lasting electric pulse, by electrode converter, electric pulse be delivered to implanted stimulating electrode, and then can carry out electricity irritation at multiple position to target nerve; Patient can hand-held stimulated in vitro generator arranging systematic parameter on UI interface.Sacral nerve stimulation generator of the present invention, before formal implanted sacral nerve stimulator implant into body, carries out effective serviceability test; Also sacral nerve stimulation system can be coordinated after the implantation to use.Avoid the unnecessary waste to the unnecessary damage and sacral nerve stimulation system being not suitable for sacral nerve stimulator patients with implantation.
Accompanying drawing explanation
Fig. 1 is the entire block diagram of the sacral nerve stimulation generator of the embodiment of the present invention;
Fig. 2 is the detailed construction schematic diagram of the sacral nerve stimulation generator of the embodiment of the present invention;
Fig. 3 is a physical circuit sketch of the sacral nerve stimulation generator of the embodiment of the present invention;
Fig. 4 is the electric pulse stimulation waveform schematic diagram of the sacral nerve stimulation generator of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Consult shown in Fig. 1-3, for the entire block diagram of the sacral nerve stimulator of the embodiment of the present invention, detailed construction schematic diagram and electrical schematic diagram wherein,
A kind of sacral nerve stimulation generator 100, comprises MCU control module 101, stimulates generation module 102, UI control module 103, power management module 104 and protection circuit module 105, wherein,
There is module 102 and UI control module 103 is connected respectively with described stimulation in described MCU control module 101, the signal received from UI control module 103 is carried out treatment and analysis, control signal exported to stimulate module 102 occurs;
There is module 102 and comprise stimulation amplifying circuit and stimulate circuit for generating in described stimulation, after stimulating generation module 102 to receive the control signal from MCU control module 101, stimulus frequency, pulsewidth are arranged, produce boost pulse, export boost pulse to electrode converter 200 by UI control module 103; The waveform schematic diagram of boost pulse is see Fig. 4.
Described UI control module 102 comprises feedback unit 131, display unit 132, push-button unit 133 and channel selection unit 134, described feedback unit 131, display unit 132 are connected with described MCU control module 101 with push-button unit 133, and described channel selection unit 134 module 102 occurs is connected with described stimulation; Feedback unit 131, by after the voltage acquisition process of stimulation target spot 400, is exported to MCU control module 101 and is carried out analytical calculation, at least can obtain the resistance value stimulating target spot 400; Push-button unit one specific embodiment is the level that the switching be made up of resistance R1 and K switch 1 changes input MCU control module 101, to change the output control instruction of MCU control module 101.
Described power management module 104 comprises battery 140, DCDC electric pressure converter 142 and LDO linear voltage regulator 141, and battery 140 is connected with LDO linear voltage regulator 141 respectively with by DCDC electric pressure converter 142, is other module for power supply after the two conversion;
There is module 102 be connected with power management module 104 with described stimulation in described protection circuit module 105, at least comprises electrostatic protection unit and voltage monitoring unit, carries out overvoltage protection, electrostatic protection to stimulating the output that module 102 occurs; Polarity protection is carried out to power management module 104., there is module 102 with stimulation and be connected in electrostatic protection unit, carries out electrostatic defending to stimulation output port; Voltage monitoring unit, carries out voltage monitoring to electric stimulation pulse, overvoltage protection and overcurrent protection.
Further, there is module 102 by stimulating electrode transducer 200 and stimulating electrode 300 conbined usage in described stimulation, directly carries out effective stimulus to stimulation target spot 400 by stimulating electrode 300.
Further, described display unit 132 comprises LCD display and display button.
Further, described channel selection unit 134 comprises the mechanical switch selected for stimulation channels, is SW0-SW5 six mechanical switchs in specific embodiment.
Further, described DCDC electric pressure converter 142 connects described stimulation and module 102 and protection circuit module 105 occurs, and receives the high voltage control signal sent from MCU control module 101, and the exemplary voltages that DCDC electric pressure converter 142 exports is 12V.
Further, described LDO linear voltage regulator 141 connects described MCU control module 101, display unit 132 and push-button unit 133, and the exemplary voltages of output is 3V.
Further, the amplitude range of described boost pulse is 0V-10V, and stimulation voltage step-length is more than or equal to 50mV.
Further, described boost pulse frequency range is 1-140Hz, and stimulus frequency step-length is more than or equal to 1Hz.
Further, the pulse duration range of described boost pulse is 50-500us, stimulates pulsewidth step-length to be more than or equal to 30us.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a sacral nerve stimulation generator, is characterized in that, comprises MCU control module, stimulates generation module, UI control module, power management module and protection circuit module, wherein,
There is module and UI control module is connected respectively with described stimulation in described MCU control module, the signal received from UI control module is carried out treatment and analysis, control signal exported to stimulate module occurs;
Described stimulation generation module comprises to stimulate amplifying circuit and stimulates circuit for generating, after stimulating generation module to receive the control signal from MCU control module, arranges, produces boost pulse, export boost pulse by UI control module to stimulus frequency, pulsewidth;
Described UI control module comprises feedback unit, display unit, push-button unit and channel selection unit, and described feedback unit, display unit are connected with described MCU control module with push-button unit, and described channel selection unit module occurs is connected with described stimulation;
Described power management module comprises battery, DCDC electric pressure converter and LDO linear voltage regulator, and battery is connected with LDO linear voltage regulator respectively with by DCDC electric pressure converter, is other module for power supply after the two conversion;
There is module be connected with power management module with described stimulation in described protection circuit module, at least comprises electrostatic protection unit and voltage monitoring unit, carries out overvoltage protection, electrostatic protection to stimulating the output that module occurs; Polarity protection is carried out to power management module.
2. sacral nerve stimulation generator according to claim 1, is characterized in that, described stimulation module occurs by stimulating electrode transducer and stimulating electrode conbined usage, directly carries out effective stimulus to stimulation target spot by stimulating electrode.
3. sacral nerve stimulation generator according to claim 1, is characterized in that, described display unit comprises LCD display and display button.
4. sacral nerve stimulation generator according to claim 1, is characterized in that, described channel selection unit comprises the mechanical switch selected for stimulation channels.
5. sacral nerve stimulation generator according to claim 1, is characterized in that, described DCDC electric pressure converter connects described stimulation and module and protection circuit module occur.
6. sacral nerve stimulation generator according to claim 1, is characterized in that, described LDO linear voltage regulator connects described MCU control module, display unit and push-button unit.
7. sacral nerve stimulation generator according to claim 1, is characterized in that, the amplitude range of described boost pulse is 0V-10V, and stimulation voltage step-length is more than or equal to 50mV.
8. sacral nerve stimulation generator according to claim 1, is characterized in that, described boost pulse frequency range is 1-140Hz, and stimulus frequency step-length is more than or equal to 1Hz.
9. sacral nerve stimulation generator according to claim 1, is characterized in that, the pulse duration range of described boost pulse is 50-500us, stimulates pulsewidth step-length to be more than or equal to 30us.
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| CN201510861185.XA CN105363127A (en) | 2015-12-01 | 2015-12-01 | Sacral nerve stimulation generator |
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| CN201510861185.XA CN105363127A (en) | 2015-12-01 | 2015-12-01 | Sacral nerve stimulation generator |
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| CN106075726A (en) * | 2016-07-08 | 2016-11-09 | 上海力声特医学科技有限公司 | Stimulation state adjustment method in sacral nerve stimulator |
| CN109512503A (en) * | 2017-09-18 | 2019-03-26 | 四川锦江电子科技有限公司 | A kind of Collation surgery system carrying out stimulation output |
| CN110721404A (en) * | 2018-08-03 | 2020-01-24 | 沈平 | Wearable sacral plexus nerve stimulator and electrical stimulation method thereof |
| CN117582605A (en) * | 2024-01-16 | 2024-02-23 | 北京领创医谷科技发展有限责任公司 | Electric field coupling type nerve stimulation system |
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Application publication date: 20160302 |
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