CN206026870U - Implanted vagal stimulation system - Google Patents
Implanted vagal stimulation system Download PDFInfo
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- CN206026870U CN206026870U CN201620436804.0U CN201620436804U CN206026870U CN 206026870 U CN206026870 U CN 206026870U CN 201620436804 U CN201620436804 U CN 201620436804U CN 206026870 U CN206026870 U CN 206026870U
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- heart rate
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Abstract
The utility model provides an implanted vagal stimulation system, including implanting the external part of subtotal, wherein implant the part including stimulating electrode, microcontroller, pulsed electricity signal generation unit and wireless communication unit to and implanted rhythm of the heart sensor, microcontroller passes through the rhythm of the heart sensor and gathers heart rate signal, control the pulsed electricity signal of pulsed electricity signal generation unit in order to produce pulse width, amplitude, tunable frequency acts on vagus nerve through stimulating electrode, the change situation of the rhythm of the heart of microcontroller in according to certain time quantum sets up pulsed electricity signal generation unit's mode, this implanted vagal stimulation system does not rely on the action of external part, opens interim mode by oneself according to patient's the state of an illness.
Description
Technical field
A kind of implanted vagal stimulation system of this utility model, belongs to Implanted medical system technical field.
Background technology
Nerve stimulation is by as the therapy to many diseases.The example of neural stimulation therapy includes asking for breathing
Topic, such as sleep disordered breathing (sleep disordered breathing), controlling of blood pressure, such as treating hypertension
(hypertension), cardiac rhythm management (cardiac rhythm management), myocardial infarction and ischemia (myocardial
Infarction and ischemia), heart failure (heart failure, HF), epilepsy (epilepsy), depression
(depression), pain, migraine (migraines), drinking and eating irregularly (eating disorder) and obesity
(obesity), and the dyskinesia (movement disorder) neural stimulation therapy.
In prior art, existing various embedded system embodiments include pulse generator, and which is adapted to pass through implanted
Electrode delivery electric signals to vagus nerve, so as to provide Vagus Nerve Stimulation treatment with the intensity for programming.The signal of telecommunication has programming
Parameter, so as to program intensity provide Vagus Nerve Stimulation treatment.Meanwhile, pulse generator also provide one in response to from
The action of outside functional unit and open the mode of operation of the delivering signal of telecommunication.For example, common opening ways are included using control
Magnet processed, is opened so as to the action near the pulse generator being close to and leaving in response to the control Magnet as functional unit
Open the odd-job pattern of the delivering signal of telecommunication.However, scheme of the prior art has many defects, send out including user disease
Had difficulties using functional unit when making, and the accident of mode of operation is opened caused by presence interference magnetic field or Magnet misoperation
It is dynamic.
Meanwhile, the serious complication of embedded nerve stimulator is electrode fracture, especially in the initial stage for the treatment of；And
And, it is in the harder metalwork of middle and late stage Neural stimulation electrodes and compared with soft conduit connection as firmness change gradient is big, softer
Electrode cable it is easily tired, with tissue and nerve compliance it is poor.
The content of the invention
The purpose of this utility model is to provide a kind of action for not relying on extraneous part and start odd-job pattern
Implanted vagal stimulation system, odd-job pattern can voluntarily be opened according to the state of an illness of patient, and be adapted to long-term
Implantation human body and neural compliance are good, and bulk strength graded is uniform.
The technical solution of the utility model is：
A kind of implanted vagal stimulation system, including implant part and external part, wherein：
Implant part includes stimulating electrode, microcontroller, pulse electrical signal generation unit and radio communication unit, Yi Jizhi
Enter formula heart rate sensor；Wherein described stimulating electrode is suitable for exporting electricity irritation to vagus nerve；The microcontroller passes through the heart
Rate sensor acquisition heart rate signal, controls the pulse electrical signal generation unit to produce the pulse of pulsewidth, amplitude, frequency-adjustable
The signal of telecommunication, acts on vagus nerve by stimulating electrode；Change shape of the microcontroller according to the heart rate in certain period of time
Condition arranges the mode of operation of the pulse electrical signal generation unit；The pulse electrical signal generation unit adopts constant pressure or constant current side
Formula exports pulse electrical signal, according to the impedance of stimulating electrode, arranges output size；The stimulating electrode is using spiral god
Jing stimulating electrodes, including a spiral type main body for being suitable to be wound on vagus nerve with inner surface, and are arranged at described
The conductor part of inner surface；
External part is by man-machine interaction unit, radio communication unit and electric power generating composition；The nothing of implant part and external part
Line communication is using electromagnetic communication mode；
The extension lead includes the connecting line of inside, outside sleeve pipe, and is located inside described sleeve pipe away from stimulation
The encapsulating portion of device one end；
The encapsulating portion in 4-24 times that the length that inside pipe casing extends is the connecting line external diameter, so as to ensure connection
While bonding strength between line, sleeve pipe, it is ensured that the overall flexibility of extension lead.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The mode of operation of pulse electrical signal generation unit described in the ratio setting of change, when second heart rate and first heart rate
When ratio exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The numerical value of change arranges the mode of operation of the pulse electrical signal generation unit, when second heart rate and first heart rate
When difference exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The speed of change arranges the mode of operation of the pulse electrical signal generation unit, when first heart rate is to second heart rate
When rate of change exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
Preferably, the encapsulating portion is in 8-16 times that the length that inside pipe casing extends is the connecting line external diameter.
By using above technical scheme, this utility model can voluntarily open odd-job according to the state of an illness of patient
Pattern.
Description of the drawings
Fig. 1 is the implanted vagal stimulation system structure diagram of the present invention.
Fig. 2 is the electrode structure schematic diagram of the implanted vagal stimulation system of the present invention.
Specific embodiment
As shown in Figure 1, a kind of implanted vagal stimulation system 10, including implant part and external part, wherein：
Implant part is implanted in 12 body of patient, including stimulator 14, extension lead 16, stimulating electrode 18, and implantation
Formula heart rate sensor 20, wherein stimulator 14 include microcontroller, pulse electrical signal generation unit and radio communication unit again, from
And receive and perform the instruction from programmable device 22；Wherein the stimulating electrode 18 is suitable for exporting electricity irritation to vagus nerve 24
And fixed by fixed component 26；The microcontroller gathers heart rate by the heart rate sensor 20 contacted with cardiac muscular tissue 28
Signal, controls the pulse electrical signal generation unit to produce the pulse electrical signal of pulsewidth, amplitude, frequency-adjustable, by stimulating
Electrode 18 acts on vagus nerve 24；The microcontroller arranges the arteries and veins according to the changing condition of the heart rate in certain period of time
Rush the mode of operation of signal of telecommunication generation unit；The pulse electrical signal generation unit adopts constant pressure or current constant mode output pulse electricity
Signal, according to the impedance at stimulating electrode 18, arranges output size.
External part includes programmable device 22, is mainly made up of man-machine interaction unit 30, radio communication unit 32；Implant part
Wireless telecommunications with external part adopt electromagnetic communication mode.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The mode of operation of pulse electrical signal generation unit described in the ratio setting of change, when second heart rate and first heart rate
When ratio exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The numerical value of change arranges the mode of operation of the pulse electrical signal generation unit, when second heart rate and first heart rate
When difference exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
Preferably, the changes in heart rate situation includes that by the first changes in heart rate be the second heart rate, and microcontroller is according to heart rate
The speed of change arranges the mode of operation of the pulse electrical signal generation unit, when first heart rate is to second heart rate
When rate of change exceedes threshold value, the pulse electrical signal generation unit enters odd-job pattern by normal mode of operation.
As shown in Figure 2, extension lead 16 includes the connecting line 161 of inside, outer sleeve 162, and encapsulating portion 163.
Two connecting lines 161 are typically provided with sleeve pipe 162, the connecting line 161 is stretched out in the one end of sleeve pipe 162, and by being located at
The encapsulating portion 163 of the end is mutually fixed with outer sleeve 162.Encapsulating portion 163 extends certain length inside sleeve pipe 162, to protect
The bonding strength of both cards.But, if encapsulating minister spends the overall flexibility that can reduce greatly extension lead, affect patient's
Use.In order to while the bonding strength between connecting line 161, sleeve pipe 162 is ensured, it is ensured that the entirety of extension lead 16 is soft
Property, the length that encapsulating portion 163 extends inside sleeve pipe 162 is generally 4-24 times of 161 external diameter of the connecting line, and is preferably
8-16 times.
Stimulating electrode 18 in implant part is fixed on vagus nerve 24 using spiral fixed component 26.The fixed part
Part 26 includes that one is suitable to the spiral type main body 261 that is wound on vagus nerve with inner surface, and one with extension lead 16 in
The connecting portion 262 that the connecting line 161 in portion is fixedly connected with.Connecting line 161 inside extension lead 16 is electrically connected with stimulating electrode 18, from
And the impulse stimulation signal of telecommunication is delivered to into stimulating electrode 18 from the stimulator 14.
The above is only it is of the present utility model preferred embodiment, those skilled in the art can with this utility model essence
Other changes are done in god, and these changes done according to this utility model spirit should all be included in required by this utility model and protect
In the range of shield.
Claims (2)
1. a kind of extension lead of implanted vagal stimulation system, the implanted vagal stimulation system include implantation
Part and external part, wherein：
Implant part is implanted in patient（12）In vivo, including stimulator（14）, extension lead（16）, stimulating electrode（18）, and
Implanted heart rate sensor（20）, wherein stimulator（14）Include microcontroller, pulse electrical signal generation unit and channel radio again
News unit, so as to receiving and performing from programmable device（22）Instruction；Wherein described stimulating electrode（18）Suitable for absent-minded to being confused
Jing（24）Output electricity irritation, which passes through fixed component（26）It is fixed；The microcontroller by with in-vivo tissue（28）Contact
Heart rate sensor（20）Collection heart rate signal, controlling the pulse electrical signal generation unit can to produce pulsewidth, amplitude, frequency
The pulse electrical signal of tune, by stimulating electrode（18）Act on vagus nerve（24）；The microcontroller is according to certain period of time
The changing condition of interior heart rate arranges the mode of operation of the pulse electrical signal generation unit；The pulse electrical signal generation unit
Using constant pressure or current constant mode output pulse electrical signal, according to stimulating electrode（18）The impedance at place, arranges output size；
External part includes programmable device（22）, mainly by man-machine interaction unit（30）, radio communication unit（32）Constitute；Implanting portion
The wireless telecommunications with external part are divided to adopt electromagnetic communication mode；
Characterized in that, the extension lead（16）Including internal connecting line（161）, outside sleeve pipe（162）, and be located at
Described sleeve pipe（162）The internal encapsulating portion away from stimulator one end（163）；
The encapsulating portion（163）In sleeve pipe（162）The internal length for extending is the connecting line（161）4-24 times of external diameter, from
And ensureing connecting line（161）, sleeve pipe（162）Between bonding strength while, it is ensured that extension lead（16）Overall flexibility.
2. extension lead according to claim 1, it is characterised in that the encapsulating portion（163）In sleeve pipe（162）Prolong inside
The length stretched is the connecting line（161）8-16 times of external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436804.0U CN206026870U (en) | 2016-05-13 | 2016-05-13 | Implanted vagal stimulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436804.0U CN206026870U (en) | 2016-05-13 | 2016-05-13 | Implanted vagal stimulation system |
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| CN206026870U true CN206026870U (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620436804.0U Active CN206026870U (en) | 2016-05-13 | 2016-05-13 | Implanted vagal stimulation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252524A (en) * | 2017-04-25 | 2017-10-17 | 北京品驰医疗设备有限公司 | A kind of electrode fixes anchor |
| CN111481830A (en) * | 2020-04-24 | 2020-08-04 | 上海交通大学 | Closed-loop electrical nerve stimulation system and method for setting parameters of closed-loop electrical nerve stimulation |
-
2016
- 2016-05-13 CN CN201620436804.0U patent/CN206026870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252524A (en) * | 2017-04-25 | 2017-10-17 | 北京品驰医疗设备有限公司 | A kind of electrode fixes anchor |
| CN111481830A (en) * | 2020-04-24 | 2020-08-04 | 上海交通大学 | Closed-loop electrical nerve stimulation system and method for setting parameters of closed-loop electrical nerve stimulation |
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