CN106267558A - A kind of impedance detecting method, system and there is the electronic equipment of this system - Google Patents
A kind of impedance detecting method, system and there is the electronic equipment of this system Download PDFInfo
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- 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
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
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- 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
- A61N1/36007—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of urogenital or gastrointestinal organs, e.g. for incontinence control
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- 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
- A61N1/36125—Details of circuitry or electric components
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- 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
- A61N1/372—Arrangements in connection with the implantation of stimulators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
- A61N2001/083—Monitoring integrity of contacts, e.g. by impedance measurement
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Abstract
The present invention provides a kind of impedance detecting method, system and has the electronic equipment of this system, and described impedance detecting method comprises the following steps: choose test pulse to gather at least one positive phase voltage and at least one negative voltage with predetermined selection rule in multiple boost pulses of output；By the positive phase voltage collected, negative voltage in order to calculate the resistance value in described electrode loop.Impedance detecting method of the present invention, system and have the electronic equipment of this system and can accurately test out the interelectrode impedance of sacral nerves stimulator for implantation, more preferably adjust machine to play directive function patient.
Description
Technical field
The invention belongs to sacral nerves technical field, relate to a kind of method of testing and system, particularly relate to a kind of impedance and survey
Method for testing, system and there is the electronic equipment of this system.
Background technology
The bladder such as urinary incontinence, frequent micturition system disease generally causes because of nervous system spinal cord injury, and medical research and practice are
Confirmed, it is a kind of effective Therapeutic Method to relevant neural applying electricity irritation.Many studies have shown that, stimulate sacral nerves S2 S3
Before S4, root can affect the action of detrusor of bladder and EUS, thus utilizes suitable stimulus signal can suppress wing
Guang detrusor overactivity, reaches to alleviate the purpose of urinary incontinence；Specific stimulating pulsatile series can also be used, excite bladder
Detrusor and EUS coordination are to realize controlled urinating.
Current existing sacral nerve stimulation product or technology, be all the control of forward, i.e. sends stimulus signal to sacral nerves.
The effect stimulated the most directly is measured, and can only pass through health external presentation, such as the change of micturition frequency, indirectly make weighing apparatus
Amount and evaluation.
Sacral nerves stimulator for implantation is the armarium that comparison is accurate and complicated.Must be introduced between stimulator electrode in application
The test of impedance, preferably to instruct patient to adjust machine to use.But it is interelectrode to sacral nerves stimulator for implantation in prior art
The test of impedance is inaccurate, it is impossible to adjust machine to play directive function patient.
Therefore, how a kind of impedance detecting method, system are provided and there is the electronic equipment of this system, to solve existing skill
Art cannot accurately test out the interelectrode impedance of sacral nerves stimulator for implantation, and patient adjusts machine do not have the defect of directive function,
Become the technical problem that practitioner in the art is urgently to be resolved hurrily.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of impedance detecting method, system
And there is the electronic equipment of this system, it is used for solving prior art cannot accurately test out between sacral nerves stimulator for implantation electrode
Impedance, patient is adjusted the problem that machine does not has directive function.
For achieving the above object and other relevant purposes, one aspect of the present invention provides a kind of impedance detecting method, is applied to
Sacral nerves stimulator for implantation, described sacral nerves stimulator for implantation includes at least two electrodes, described at least two electrodes composition
Electrode loop output test electric current, described impedance detecting method comprises the following steps: with in advance in multiple boost pulses of output
Determine selection rule and choose test pulse to gather at least one positive phase voltage and at least one negative voltage；The positive that will collect
Voltage, negative voltage are in order to calculate the resistance value in described electrode loop.
In one embodiment of the invention, described test pulse is the equivalent of described sacral nerves stimulator for implantation output,
Continuous print boost pulse；Described boost pulse includes positive pulse and negative pulse.
In one embodiment of the invention, gather at least one positive phase voltage and at least one negative voltage step it
Before, described impedance detecting method also includes the neural voltage between acquisition electrode, and the neuroelectricity pressure collected is amplified,
Neuroelectricity pressure after amplification carries out analog digital conversion, generates multiple boost pulse, described boost pulse gathers positive phase voltage and
Negative voltage.
In one embodiment of the invention, described predetermined selection rule includes the first predetermined selection rule, described first pre-
Determine selection rule for choosing N number of continuous print boost pulse in multiple boost pulses as test pulse, gather each test
The positive phase voltage of pulse and negative voltage；N is more than or equal to 1.
In one embodiment of the invention, when choosing described first predetermined selection rule, the described electrode of described calculating returns
The step of the resistance value in road includes: the positive phase voltage of each test pulse obtains N number of positive resistance value divided by test electric current,
The absolute value of the negative voltage of each test pulse obtains N number of negative resistance value divided by test electric current；By N number of positive resistance value
It is added with N number of negative resistance value, and divided by 2N to obtain the resistance value in described electrode loop.
In one embodiment of the invention, described predetermined selection rule includes the second predetermined selection rule, described second pre-
Determine selection rule for choosing 2M continuous print boost pulse in multiple boost pulses as test pulse, before gathering M continuous
The positive phase voltage of test pulse, and the negative voltage of M test pulse after gathering；Or gather top n continuous print test pulse
Negative voltage, and the positive phase voltage of M test pulse after gathering, M is more than or equal to 1.
In one embodiment of the invention, when choosing described second predetermined selection rule, the described electrode of described calculating returns
The step of the resistance value in road includes: the positive phase voltage of each test pulse in front M continuous print test pulse is divided by survey
Examination electric current obtains M positive resistance value, and the negative voltage of each test pulse in rear M continuous print test pulse is divided by survey
Examination electric current obtains M negative resistance value；M positive resistance value and M negative resistance value are added, and described to obtain divided by 2M
Resistance value in electrode loop；Or the negative voltage of each test pulse in front M continuous print test pulse is divided by test
Electric current obtains M negative resistance value, and the positive phase voltage of each test pulse in rear M continuous print test pulse is divided by test
Electric current obtains M positive resistance value；M negative resistance value and M positive resistance value are added, and divided by 2M to obtain described electricity
Resistance value in loop, pole.
Another aspect of the present invention provides a kind of impedance test system, is applied to sacral nerves stimulator for implantation, described sacral nerves
Stimulator for implantation includes at least two electrodes, the electrode loop output test electric current of described at least two electrodes composition, described resistance
Anti-test system includes: acquisition module, for choosing test with predetermined selection rule in the multiple described boost pulse of output
Pulse is to gather at least one positive phase voltage and at least one negative voltage；Computing module, for by the positive phase voltage collected,
Negative voltage is in order to calculate the resistance value in described electrode loop.
In one embodiment of the invention, the neural voltage that described processing module is additionally operable between acquisition electrode, and will adopt
Collect to neuroelectricity pressure be amplified, the neuroelectricity pressure after amplification carries out analog digital conversion to gather positive phase voltage and negative voltage.
Another aspect of the invention provides a kind of electronic equipment, is connected with sacral nerves stimulator for implantation, described electronic equipment bag
Include: described impedance test system.
As it has been described above, the impedance detecting method of the present invention, system and there is the electronic equipment of this system, have following useful
Effect:
Impedance detecting method of the present invention, system and there is the electronic equipment of this system can accurately test out sacral nerves
The interelectrode impedance of stimulator for implantation, more preferably adjusts machine to play directive function patient.
Accompanying drawing explanation
Fig. 1 is shown as the impedance detecting method of present invention schematic flow sheet in an embodiment.
Fig. 2 is shown as the boost pulse schematic diagram of the present invention.
Fig. 3 is shown as the impedance test system of present invention theory structure schematic diagram in an embodiment.
Fig. 4 is shown as the electronic equipment of present invention theory structure schematic diagram in an embodiment.
Element numbers explanation
1 impedance test system
11 first acquisition modules
12 amplification modules
13 analog-to-digital conversion modules
14 output modules
15 second acquisition modules
16 computing modules
2 electronic equipments
S1～S4 step
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by the most different concrete realities
The mode of executing is carried out or applies, the every details in this specification can also based on different viewpoints and application, without departing from
Various modification or change is carried out under the spirit of the present invention.It should be noted that, in the case of not conflicting, following example and enforcement
Feature in example can be mutually combined.
It should be noted that the diagram provided in following example illustrates the basic structure of the present invention the most in a schematic way
Think, the most graphic in component count, shape and size time only display with relevant assembly in the present invention rather than is implemented according to reality
Drawing, during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is also
It is likely more complexity.
Embodiment one
The present embodiment provides a kind of impedance detecting method, is applied to sacral nerves stimulator for implantation, and described sacral nerves implants thorn
Swashing device sacral nerve stimulator, described sacral nerve stimulator includes external controller and the implant stimulator implanted, institute
State implant stimulator and include that electrode bundle, electrode bundle include at least two electrode loops formed electricity with output test electric current
Pole, the end of every electrode all has the stimulation point for contacting with sacral nerves, and wherein two electrodes are working electrode.Described resistance
Anti-method of testing comprises the following steps:
Test pulse is chosen just to gather at least one with predetermined selection rule in the multiple described boost pulse of output
Phase voltage and at least one negative voltage；
By the positive phase voltage collected, negative voltage in order to calculate the resistance value in described electrode loop.
Below with reference to diagram, the impedance detecting method described in the present embodiment is described in detail.Refer to Fig. 1, display
For impedance detecting method schematic flow sheet in an embodiment.As it is shown in figure 1, described impedance detecting method includes following
Step:
S1, gathers the neural voltage between two electrodes, and the neuroelectricity pressure collected is amplified, the god after amplification
Carry out analog digital conversion through voltage, generate multiple boost pulse.In the present embodiment, as a example by 2 boost pulses.
S2, exports multiple boost pulse, such as, exports 2 boost pulses.Refer to Fig. 2, be shown as boost pulse signal
Figure.Described boost pulse includes positive pulse and negative pulse.
S3, chooses test pulse to gather at least one positive with predetermined selection rule in multiple boost pulses of output
Voltage and at least one negative voltage.Described test pulse is the equivalent of described sacral nerves stimulator for implantation output, continuous print
Boost pulse.In the present embodiment, described predetermined selection rule includes that the first predetermined selection rule and/or second makes a reservation for choose
Rule.
Described first predetermined selection rule is for choosing N number of continuous print boost pulse as test arteries and veins in multiple boost pulses
Punching, gathers positive phase voltage and the negative voltage of each test pulse；N is more than or equal to 1.Such as, export multiple boost pulse, from
Multiple boost pulses choose 3 continuous print boost pulses as test pulse, gather the first, the second, the three test pulse
Positive phase voltage U1, U2, U3；Gather the negative voltage-U of the first, the second, the three test pulse1' ,-U'2,-U3'。
Described second predetermined selection rule is for choose 2M continuous print boost pulse as test in multiple boost pulses
Pulse, the negative voltage of M test pulse after the positive phase voltage of M continuous print test pulse, and collection before gathering；Or before gathering
The positive phase voltage of M test pulse after the negative voltage of N number of continuous print test pulse, and collection, M is more than or equal to 1.Such as, defeated
Go out multiple boost pulse, from multiple boost pulses, choose 2 boost pulses as test pulse, gather front 1 test pulse
Positive phase voltage, such as, u1；Gather the negative voltage of rear 1 test pulse, such as ,-u1'.Such as, multiple stimulation arteries and veins is exported
Punching, chooses 2 boost pulses from multiple boost pulses as test pulse, gathers the negative voltage of front 1 test pulse, example
As ,-u2；Gather the positive phase voltage of rear 1 test pulse, such as, u'2。
S4, by the positive phase voltage collected, negative voltage in order to calculate the resistance value in described electrode loop.
Specifically, by according in step S3 gather positive phase voltage, negative voltage, and known, constant test electric current I,
And resistance value=magnitude of voltage/current value, calculate the resistance value in electrode loop.
When choosing described first predetermined selection rule, the step bag of the resistance value in the described electrode loop of described calculating
Include:
The positive phase voltage of each test pulse obtains 3 positive resistance values, i.e. R divided by test electric current1=U1/ I, R2=
U2/ I, R3=U3/ I, the absolute value of the negative voltage of each test pulse obtains 3 negative resistance values, i.e. divided by test electric current
R1'=|-U1' |/I, R'2=|-U'2|/I, R3'=|-U3'|/I；
3 positive resistance values and 3 negative resistance values are added, and divided by 6 to obtain the impedance in described electrode loop
Value, i.e.
When choosing described second predetermined selection rule, the step bag of the resistance value in the described electrode loop of described calculating
Include:
The positive phase voltage of front 1 test pulse obtains 1 positive resistance value, i.e. r divided by test electric current1=u1/ I, latter 1
The negative voltage of test pulse obtains 1 negative resistance value r divided by test electric current1'=|-u1'|/I；
By positive resistance value r1With negative resistance value r1' be added, and divided by 2 to obtain the resistance value in described electrode loopOr
The negative voltage of front 1 test pulse obtains negative resistance value r divided by test electric current2=|-u2|/I, rear 1 test
The positive phase voltage of pulse obtains positive resistance value r divided by test electric current2'=|-u2'|/I；
By negative resistance value r2With positive resistance value r2' be added, and divided by 2 to obtain the resistance value in described electrode loop
Impedance detecting method described in the present embodiment can accurately test out the interelectrode impedance of sacral nerves stimulator for implantation, more
Machine is adjusted to play directive function patient well.
Embodiment two
The present embodiment provides a kind of impedance test system, is applied to sacral nerves stimulator for implantation, and described sacral nerves implants thorn
Swashing device sacral nerve stimulator, described sacral nerve stimulator includes external controller and the implant stimulator implanted, institute
State implant stimulator and include that electrode bundle, electrode bundle include at least two electrode loops formed electricity with output test electric current
Pole, the end of every electrode all has the stimulation point for contacting with sacral nerves, and wherein two electrodes are working electrode.Refer to
Fig. 3, is shown as impedance test system theory structure schematic diagram in an embodiment.As it is shown on figure 3, described impedance test system
1 includes: the first acquisition module 11, amplification module 12, analog-to-digital conversion module 13, output module the 14, second acquisition module 15 and meter
Calculate module 16.
Described first acquisition module 11 neural voltage between two electrodes of collection,
The amplification module 12 being connected with described first acquisition module 11 is used for being amplified the neuroelectricity pressure collected,
The analog-to-digital conversion module 13 being connected with described amplification module 12 neuroelectricity pressure after amplifying carries out modulus and turns
Change, generate multiple boost pulse.
The output module 14 being connected with described analog-to-digital conversion module 13 is used for exporting multiple boost pulse.
The second acquisition module 15 being connected with described output module 14 is used in multiple boost pulses of output with predetermined
Selection rule chooses test pulse to gather at least one positive phase voltage and at least one negative voltage.Described test pulse is institute
State the equivalent of sacral nerves stimulator for implantation output, continuous print boost pulse.In the present embodiment, described predetermined selection rule bag
Include the first predetermined selection rule and/or the second predetermined selection rule.
Described first predetermined selection rule is for choosing N number of continuous print boost pulse as test arteries and veins in multiple boost pulses
Punching, gathers positive phase voltage and the negative voltage of each test pulse；N is more than or equal to 1.
Described second predetermined selection rule is for choose 2M continuous print boost pulse as test in multiple boost pulses
Pulse, the negative voltage of M test pulse after the positive phase voltage of M continuous print test pulse, and collection before gathering；Or before gathering
The positive phase voltage of M test pulse after the negative voltage of N number of continuous print test pulse, and collection, M is more than or equal to 1.
The computing module 16 being connected with described second acquisition module 15 is for the positive phase voltage just collected, negative voltage
In order to calculate the resistance value in described electrode loop.
When choosing described first predetermined selection rule, it is as follows that described computing module 16 specifically calculates process:
The positive phase voltage of each test pulse obtains N number of positive resistance value, each test pulse divided by test electric current
Negative voltage absolute value divided by test electric current obtain N number of negative resistance value；
N number of positive resistance value and N number of negative resistance value are added, and divided by 2N to obtain the impedance in described electrode loop
Value.
When choosing described second predetermined selection rule, it is as follows that described computing module 16 specifically calculates process:
The positive phase voltage of each test pulse in front M continuous print test pulse is just obtaining M divided by test electric current
Phase resistance value, the negative voltage of each test pulse in rear M continuous print test pulse obtains M divided by test electric current and bears
Phase resistance value；
M positive resistance value and M negative resistance value are added, and divided by 2M to obtain the impedance in described electrode loop
Value；Or
The negative voltage of each test pulse in front M continuous print test pulse obtains M divided by test electric current and bears
Phase resistance value, the positive phase voltage of each test pulse in rear M continuous print test pulse is just obtaining M divided by test electric current
Phase resistance value；
M negative resistance value and M positive resistance value are added, and divided by 2M to obtain the impedance in described electrode loop
Value.
The present embodiment also provides for a kind of electronic equipment 2, and described electronic equipment 2 is connected with sacral nerves stimulator for implantation, please join
Readding Fig. 4, be shown as electronic equipment theory structure schematic diagram in an embodiment, as shown in Figure 4, described electronic equipment 2 includes
Above-mentioned impedance test system 1.
In sum, impedance detecting method of the present invention, system and there is the electronic equipment of this system can accurately survey
Try out the interelectrode impedance of sacral nerves stimulator for implantation, more preferably adjust machine to play directive function patient.So, effective gram of the present invention
Take various shortcoming of the prior art and have high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (10)
1. an impedance detecting method, it is characterised in that be applied to sacral nerves stimulator for implantation, described sacral nerves stimulator for implantation
Including at least two electrodes, the electrode loop output test electric current of described at least two electrodes composition, described impedance detecting method
Comprise the following steps:
Output multiple boost pulses in predetermined selection rule choose test pulse with gather at least one positive phase voltage and
At least one negative voltage；
By the positive phase voltage collected, negative voltage in order to calculate the resistance value in described electrode loop.
Impedance detecting method the most according to claim 1, it is characterised in that: described test pulse is that described sacral nerves is implanted
The equivalent of stimulator output, continuous print boost pulse；Described boost pulse includes positive pulse and negative pulse.
Impedance detecting method the most according to claim 1, it is characterised in that: gathering at least one positive phase voltage and at least
Before the step of one negative voltage, described impedance detecting method also includes the neural voltage between acquisition electrode, and will gather
To neuroelectricity pressure be amplified, the neuroelectricity pressure after amplification carries out analog digital conversion, generates multiple boost pulse, in described stimulation
Positive phase voltage and negative voltage is gathered in pulse.
Impedance detecting method the most according to claim 1, it is characterised in that: described predetermined selection rule includes that first makes a reservation for
Selection rule, described first predetermined selection rule is for choose N number of continuous print boost pulse as test in multiple boost pulses
Pulse, gathers positive phase voltage and the negative voltage of each test pulse；N is more than or equal to 1.
Impedance detecting method the most according to claim 3, it is characterised in that: when choosing described first predetermined selection rule
Time, the step of the resistance value in the described electrode loop of described calculating includes:
The positive phase voltage of each test pulse obtains N number of positive resistance value divided by test electric current, bearing of each test pulse
The absolute value of phase voltage obtains N number of negative resistance value divided by test electric current；
N number of positive resistance value and N number of negative resistance value are added, and divided by 2N to obtain the resistance value in described electrode loop.
Impedance detecting method the most according to claim 1, it is characterised in that: described predetermined selection rule includes that second makes a reservation for
Selection rule, described second predetermined selection rule is for choose 2M continuous print boost pulse as test in multiple boost pulses
Pulse, the negative voltage of M test pulse after the positive phase voltage of M continuous print test pulse, and collection before gathering；Or before gathering
The positive phase voltage of M test pulse after the negative voltage of N number of continuous print test pulse, and collection, M is more than or equal to 1.
Impedance detecting method the most according to claim 5, it is characterised in that: when choosing described second predetermined selection rule
Time, the step of the resistance value in the described electrode loop of described calculating includes:
The positive phase voltage of each test pulse in front M continuous print test pulse obtains M positive electricity divided by test electric current
Resistance, the negative voltage of each test pulse in rear M continuous print test pulse obtains M negative electricity divided by test electric current
Resistance；
M positive resistance value and M negative resistance value are added, and divided by 2M to obtain the resistance value in described electrode loop；
Or
The negative voltage of each test pulse in front M continuous print test pulse obtains M negative electricity divided by test electric current
Resistance, the positive phase voltage of each test pulse in rear M continuous print test pulse obtains M positive electricity divided by test electric current
Resistance；
M negative resistance value and M positive resistance value are added, and divided by 2M to obtain the resistance value in described electrode loop.
8. an impedance test system, it is characterised in that be applied to sacral nerves stimulator for implantation, described sacral nerves stimulator for implantation
Including at least two electrodes, the electrode loop output test electric current of described at least two electrodes composition, described impedance test system
Including:
Acquisition module, for choosing test pulse to gather extremely with predetermined selection rule in the multiple described boost pulse of output
A few positive phase voltage and at least one negative voltage；
Computing module, is used for the positive phase voltage collected, negative voltage in order to calculate the resistance value in described electrode loop.
Impedance test system the most according to claim 8, it is characterised in that: described processing module be additionally operable to acquisition electrode it
Between neural voltage, and the neuroelectricity pressure collected is amplified, the neuroelectricity pressure after amplification carries out analog digital conversion to gather
Positive phase voltage and negative voltage.
10. an electronic equipment, it is characterised in that be connected with sacral nerves stimulator for implantation, described electronic equipment includes:
Impedance test system according to any one of claim 8-9.
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Cited By (2)
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| CN112315446A (en) * | 2020-05-11 | 2021-02-05 | 健联医疗股份有限公司 | Instrument and method for dynamic measurement and correction of skin impedance |
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| US20120172742A1 (en) * | 2010-12-29 | 2012-07-05 | Shantha Arcot-Krishnamurthy | Systems and methods for using electrical impedance for neuro cardiac therapy |
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| CN113348014A (en) * | 2018-02-01 | 2021-09-03 | 斯蒂维科技公司 | System and method for sensing tissue impedance of stimulation electrodes |
| CN112315446A (en) * | 2020-05-11 | 2021-02-05 | 健联医疗股份有限公司 | Instrument and method for dynamic measurement and correction of skin impedance |
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