CN102125431B - Nerve plexus stimulation system, nerve plexus stimulator and nerve plexus stimulation method - Google Patents
Nerve plexus stimulation system, nerve plexus stimulator and nerve plexus stimulation method Download PDFInfo
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- CN102125431B CN102125431B CN201110084267XA CN201110084267A CN102125431B CN 102125431 B CN102125431 B CN 102125431B CN 201110084267X A CN201110084267X A CN 201110084267XA CN 201110084267 A CN201110084267 A CN 201110084267A CN 102125431 B CN102125431 B CN 102125431B
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Abstract
The invention discloses a nerve plexus stimulation system, a nerve plexus stimulator and a nerve plexus stimulation method, which are designed to solve the problem of inaccurate nerve plexus positioning in the conventional peripheral nerve block operation. The nerve plexus stimulation system comprises the nerve plexus stimulator, an auxiliary electrode and a nerve plexus stimulating needle, wherein the auxiliary electrode and the nerve plexus stimulating needle are connected with the nerve plexus stimulator through connectors; and the nerve plexus stimulator comprises a working parameter regulating and setting module, a microprocessor, a simulative impulse transmission and control module, a display module and a power supply module. Based on the structure and simulation method, the system can position the nerve plexus objectively, directly and accurately, and thus, problems of the conventional subjective and unquantized blink detection method are solved.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of plexus nervorum stimulating system, plexus nervorum stimulator.
Background technology
Peripheral nervous retardance is a lot of operating essential steps, and the position of accurately locating plexus nervorum is the successful key of blocking operation.Traditional peripheral nervous blocking operation combines internal anatomy to adopt blind spy method, and the experience and the patient that promptly rely on the doctor judge to the feedback of different sense whether the injection needle point arrives suitable position.This method is difficult to accurately locate plexus nervorum, if the patient is in stupor or when mismatching, this method promptly can't be implemented.If patient obese patient particularly, its body surface because pile up significant quantities of fat, the body surface anatomic landmark is not obvious, this method effect promptly becomes very limited; Or the lacking experience of doctor, the method that this blindness is soundd out may cause damage to the patient.
It is thus clear that there is following drawback in above-mentioned the needs through souning out and being difficult to quantized localization method: in the exploration process,, possibly cause neural mechanical injuries, cause suffering to the patient if accidentally the injection point is directly contacted with neural; If final localized position needs more substantial anesthetis from neural remote, not only cause waste but also can produce bad side effect the patient.Therefore, this subjectivity, difficult quantized localization method are confirmed to need to give the great dose of patient also to propose bigger challenge to the doctor.If in operation process, to cause the patient in operation, to wake up be the very serious thing of part consequence because do not control dose well.
Summary of the invention
To the problems referred to above, the purpose of this invention is to provide a kind of plexus nervorum stimulating system, the plexus nervorum stimulator that can objective, direct, accurately confirm the plexus nervorum position.
For achieving the above object; Plexus nervorum stimulating system according to the invention; Comprise: plexus nervorum stimulator, auxiliary electrode and plexus nervorum stimulate pin, and said auxiliary electrode stimulates pin to be connected with the boost pulse current output terminal of said plexus nervorum stimulator through adapter with said plexus nervorum; Wherein,
Said plexus nervorum stimulator comprises: running parameter is regulated module, microprocessor, boost pulse transmission control module, display module and power module is set; Wherein,
Said running parameter is regulated module is set, and comprises at least one adjusting button and/or knob, and each regulates button or knob links to each other with said microprocessor through key press detecting circuit or rotary coding testing circuit; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, regulate amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor according to each touching signals;
Said boost pulse sends control module, reads the boost pulse electric current that also outwards sends according to the running parameter control of storing in the said microprocessor stores medium;
Said display module links to each other with the shows signal outfan of said microprocessor, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module provides the work of said plexus nervorum electric stimulation required voltage;
Preferably; Can judge well for ease of user whether said auxiliary electrode pastes the jail; Plexus nervorum stimulator according to the invention also comprises: the impedance measurement module; Measure said plexus nervorum and stimulate pin and the interpolar impedance of said auxiliary electrical; Said microprocessor calculates actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to measuring the gained resistance value, exports alarm signal according to comparative result, and resistance value is outputed to said display module shows.
Preferably, said plexus nervorum stimulator also comprises: alarm modules, and it comprises display lamp and/or buzzer; Said microprocessor receives the resistance value of said impedance measurement module output; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.
Preferably, described power module also comprises a reverse-connection preventing circuit.
For achieving the above object, plexus nervorum stimulator according to the invention comprises: running parameter is regulated module, microprocessor, boost pulse transmission control module, display module and power module is set; Wherein,
Said running parameter is regulated module is set, and comprises at least one adjusting button or knob, and each regulates button or knob links to each other with said microprocessor through key press detecting circuit or rotary coding testing circuit; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, regulate amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor according to each touching signals;
Said boost pulse sends control module, reads the boost pulse electric current that also outwards sends according to the running parameter control of storing in the said microprocessor stores medium;
Said display module links to each other with the shows signal outfan of said microprocessor, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module provides the work of said plexus nervorum stimulator required voltage;
Preferably; Plexus nervorum stimulator according to the invention also comprises: the impedance measurement module; Measurement is external in plexus nervorum stimulation pin and the interpolar impedance of auxiliary electrical that said boost pulse sends the control module outfan; Said microprocessor calculates actual boost pulse electric current and itself and said boost pulse is sent the target stimulus pulse current that control module exports and compare according to measuring the gained resistance value; According to comparative result output alarm signal, and resistance value is outputed to said display module show.
Preferably, plexus nervorum stimulator according to the invention also comprises: alarm modules, and it comprises display lamp and/or buzzer; Said microprocessor receives the resistance value of said impedance measurement module output; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.
Preferably, described power module also comprises a reverse-connection preventing circuit.
The invention has the beneficial effects as follows: the position that can determine plexus nervorum objective, directly, accurately; Avoided existing subjectivity, need that difficult quantized localization method caused repeatedly to locate the misery that searching brings to the patient; Or because of localized position from the more substantial anesthetis of neural remote needs, or because of problems such as the inaccurate dose of plexus nervorum position judgment are not enough.
Description of drawings
Fig. 1 is the structural representation of plexus nervorum stimulating system according to the invention;
Fig. 2 is the schematic appearance of plexus nervorum stimulator according to the invention;
Fig. 3 is the internal circuit schematic diagram of plexus nervorum stimulator according to the invention;
Fig. 4 is a 95V booster circuit block diagram of the present invention;
Fig. 5 is the circuit block diagram of reverse-connection preventing circuit according to the invention;
Fig. 6 is that load impedance of the present invention is measured equivalent circuit diagram.
The specific embodiment
Do detailed description below in conjunction with the Figure of description specific embodiments of the invention.
Be illustrated in figure 1 as the structural representation of said plexus nervorum stimulating system; Said plexus nervorum stimulating system comprises: plexus nervorum stimulator, auxiliary electrode 11 and plexus nervorum stimulate pin 9, and said auxiliary electrode 11 stimulates pin 9 to be connected with the boost pulse current output terminal of said plexus nervorum stimulator through adapter 15 with said plexus nervorum; Wherein,
Said plexus nervorum stimulator comprises: running parameter is regulated module 13, microprocessor 12, boost pulse transmission control module 8, display module 6 and power module 5 is set; Wherein,
Said running parameter is regulated module 13 is set, and comprises at least one adjusting button and/or knob, and each regulates button or knob links to each other with said microprocessor 12 through key press detecting circuit or rotary coding testing circuit 14; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, regulate amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor 12 is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor 12 according to each touching signals;
Said boost pulse sends control module 8, reads the boost pulse electric current that also outwards sends according to the running parameter control of storing in said microprocessor 12 storage mediums;
Said display module 6 links to each other with the shows signal outfan of said microprocessor 12, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module 5 is used to provide the work of said plexus nervorum stimulating system required voltage.
Wherein, the microprocessor of microprocessor 12 described in the present invention for having the low-power consumption characteristic, when being in holding state in system, microprocessor gets into the low-power consumption mode operation; If microprocessor is not carried out any operation in a period of time, microprocessor can shut down automatically.But it is conductive material that the plexus nervorum described in the present invention stimulates pin, and it is directly exposed outside that tip portion is removed on its surface, and remainder all scribbles insulant.Said adapter is connected the pulse output end of said plexus nervorum stimulator, is specially a twin conductor that is connected with the plexus nervorum stimulator, and being used for connecting auxiliary electrode and plexus nervorum stimulates pin, and it comprises: a button joint is used to connect said auxiliary electrode; And a splicing ear, being used to connect said plexus nervorum stimulates pin.
As further embodiment of the present invention; The present invention is the position that can confirm plexus nervorum more accurately; Also comprise an impedance measurement module 10; Said impedance measurement module 10 stimulates pin 9 to be connected (as shown in Figure 1) with said auxiliary electrode 11 with said plexus nervorum respectively, and being used to measure said plexus nervorum stimulates the impedance between pin 9 and the said auxiliary electrode 11, and resistance value is transferred in the said microprocessor 12.Said microprocessor 12 calculates actual boost pulse electric current and itself and said boost pulse is sent the target stimulus pulse current that control module exports according to the resistance value that receives and compares; If actual boost pulse current amplitude and target stimulus pulse current amplitude difference are greater than threshold value when excessive (be resistance value between plexus nervorum stimulation pin 9 and the auxiliary electrode 11); Show that then auxiliary electrode 11 does not paste the jail and need stick auxiliary electrode 11 again and maybe need change plexus nervorum and stimulate pin 9; Stimulate resistance value reduction between pin 9 and the auxiliary electrode 11 until plexus nervorum, promptly actual boost pulse current amplitude and target stimulus pulse current amplitude difference are in threshold range.
In a concrete embodiment, described impedance measurement module 10 is an impedance measuring circuit, the equivalent circuit diagram of this impedance measuring circuit as shown in Figure 6, and its operation principle:
When input 1001 is not imported,, collect the voltage V of 3 of A, B, C through the built-in AD acquisition module of microprocessor 12
AO, V
BO, V
COBehind input input pulse signal, gather the voltage V of 3 of A, B, C
A, V
B, V
C, therefore when input pulse is arranged:
V
R_Load=V
Cc-R
7* I
3-V
The pressure drop of electric capacity(6)
I
Test＝I
1+I
2-I
3 (7)
Can calculate the load resistance value by formula (1) to (8).If calculate the R of gained
LoadBe worth excessively, also having reacted auxiliary auxiliary electrode possibly contact, maybe need change plexus nervorum stimulation pin.
As further embodiment of the invention, the present invention also comprises: alarm modules 7, it comprises display lamp and/or buzzer.Said microprocessor 12 receives the resistance value of said impedance measurement module 10 outputs; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.In a specific embodiment, display lamp of the present invention can be light emitting diode (LED) display lamp, and this LED light can adopt the red and green color LED light.Microprocessor is can be through the red light of control LED light bright or green light is bright or the red light green light is simultaneously bright indicates three kinds of different state.Microprocessor according to the situation of target current and actual current send control instruction with control said buzzer send the frequency volume different alarm tone.For example; The difference of amplitude of sending the target pulse electric current that control module sends to plexus nervorum stimulation pin when actual boost pulse current amplitude that calculates according to the resistance value of impedance measurement module 10 output through said microprocessor 12 and boost pulse is during greater than threshold value; Microprocessor 12 sends alarm signal and gives alarm modules 7; Buzzer 113 will send rapid and sharp-pointed sound, LED light 111 blinking red lamps this moment; When difference was in threshold range, microprocessor 12 sent alarm signal and gives alarm modules 7, and buzzer 113 will send the mitigation lullaby this moment, the flicker of LED light 111 green lights; When difference equaled threshold value, microprocessor 12 sent alarm signal and gives alarm modules 7, and buzzer 113 will send the normal sound of volume frequency this moment, and the red light of LED light 111 and green light are simultaneously bright.
As further embodiment of the invention, power module 5 of the present invention also comprises a reverse-connection preventing circuit 4.Through reverse-connection preventing circuit 4, the user, the user who particularly the product electrical characteristic is had little understanding, with the reverse battery place in circuit time, therefore the circuit in the plexus nervorum stimulating system can't be damaged.In a concrete embodiment, the circuit theory diagrams of described reverse-connection preventing circuit are as shown in Figure 5.Except that reverse-connection preventing circuit shown in Figure 5; Reverse-connection preventing circuit of the present invention can also use the circuit of the nonpolarity syndeton of battery of any kind of the prior art; Its concrete operation principle can be referring to related art, and the present invention can be incorporated herein by reference.
Plexus nervorum stimulator of the present invention comprises: running parameter is regulated module, microprocessor, boost pulse transmission control module, display module and power module is set; Wherein,
Said running parameter is regulated module is set, and comprises at least one adjusting button or knob, and each regulates button or knob links to each other with said microprocessor through key press detecting circuit or rotary coding testing circuit; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor according to each touching signals;
Said boost pulse sends control module, reads also and outwards sends the boost pulse electric current according to the running parameter control of storing in the said microprocessor stores medium;
Said display module links to each other with the shows signal outfan of said microprocessor, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module provides the work of said plexus nervorum stimulator required voltage.
As the further embodiment of the present invention; Said plexus nervorum stimulator also comprises: the impedance measurement module; Measurement is external in plexus nervorum stimulation pin and the interpolar impedance of auxiliary electrical that said boost pulse sends the control module outfan; Said microprocessor calculates actual boost pulse electric current and itself and said boost pulse is sent the target stimulus pulse current that control module exports and compare according to measuring the gained resistance value; According to comparative result output alarm signal, and resistance value is outputed to said display module show.
As further embodiment of the invention, said plexus nervorum stimulator also comprises: alarm modules, it comprises display lamp and/or buzzer.Said microprocessor receives the resistance value of said impedance measurement module output; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.
The present invention avoids because of auxiliary electrode connects the damage that causes plexus nervorum stimulator internal circuit on the contrary, and described power module also comprises a reverse-connection preventing circuit.
Be the external view and the internal circuit schematic diagram of a specific embodiment of plexus nervorum stimulator according to the invention as shown in Figures 2 and 3.Plexus nervorum stimulator as shown in Figure 2 comprises: OLED display screen 101; Shift knob 102; Stimulating current amplitude maximum adjustable adjusting range button 103 is set; The stimulating current frequency button 104 is set; The stimulating current pulsewidth button 105 is set; Navigation of display screen menu and ACK button 106～109; Regulate the rotary knob 110 of stimulating current amplitude; LED light 111; Buzzer 113 and be arranged on the intravital microprocessor of said plexus nervorum stimulator shell; Battery 112; Connecting circuit (as shown in Figure 3) between each voltage raising and reducing circuit and each parts.
As shown in Figure 3; Internal circuit catenation principle figure embodiment illustrated in fig. 2; Be specially: 9V battery 201 is the input voltage that 9V output control circuit 203 provides 9V through reverse-connection preventing circuit 202, and 203 outputs of 9V output control circuit can be by the output voltage D9V of microprocessor 216 controls.9 volts of voltages of reverse-connection preventing circuit 202 outputs are reduced to 3.3V through reduction voltage circuit 209 and are supplied microprocessor 216.Simultaneously, 3.3V voltage is the input voltage that 3.3V output control circuit 208 and key press detecting circuit 211 provide 3.3V.Wherein, 3.3V output control circuit 208 output can be by the output voltage of microprocessor 216 controls, the piping and bright lamp of said buzzer of this output voltage may command and said LED lamp.It is OLED display screen and the required running voltage of rotary coding testing circuit that the D9V voltage of 9V output control circuit 203 output is risen to 12V through booster circuit 204; And the D9V voltage of 9V output control circuit 203 outputs is risen to 95V through booster circuit 215; Send the input voltage of control module (being specially boost pulse sending controling circuit 214 in the present embodiment) as boost pulse; Load is connected on the impedance measurement module (being specially load resistance measuring circuit 213 in the present embodiment), when pulse output is arranged, can detects the size of load impedance.
The displaying contents of microprocessor 216 control OLED display screens 206.Microprocessor 216 is given LED control circuit 206 and buzzer control circuit 212 according to the running parameter output control instruction of pulse current; Display lamp sends the passage of scintillation light of the light or the different frequency of different colours under the control of LED control circuit 206, buzzer sends the alarm tone of different frequency and different volumes under the control of buzzer control circuit 212.Rotary coding testing circuit 207 and key press detecting circuit 211 detect the triggering signal of knob and button respectively.What microprocessor 216 adopted is the external crystal-controlled oscillation 210 of 5MHz.
Wherein, the theory diagram of booster circuit 215 is as shown in Figure 4: with the input of D9V as the high-power inductance 301 and the chip 303 that boosts, the output of the chip 303 that boosts is through power MOSFET 302 outputs.The chip that boosts can be selected all products of the prior art that are suitable for for use, comprises the product that is preferably Max1771.
Reverse-connection preventing circuit 202 its schematic diagrams also can be the circuit of the nonpolarity syndeton of battery of any kind of the prior art with above-mentioned Fig. 5.
Said load impedance measuring circuit is with above-mentioned impedance measuring circuit equivalent circuit diagram shown in Figure 6.
The work process of plexus nervorum stimulator of the present invention is described below:
When the shift knob 102 of plexus nervorum stimulator was in opening, OLED display screen 101 demonstrated running parameter and stimulator information under the control of microprocessor.Said running parameter comprises: the scope of the amplitude of stimulating current, frequency, pulsewidth, stimulating current amplitude maximum adjustable joint; Said stimulator information comprises: the battery electric quantity icon.Wherein, the maximum adjustable adjusting range of the size of the frequency of boost pulse electric current and pulsewidth and amplitude keeps the preceding settings of shutdown last time.
Each running parameter that shows on the said OLED display screen 101 is regulated in the following manner:
When microprocessor through key press detecting circuit receive the user through the stimulating current frequency the touching signals that button 104 sends is set the time; Microprocessor calculates and revises the frequency values of the stimulating current of having stored in its internal memory according to the touching signals that receives, and this frequency values is transferred in the display module on OLED display screen 101, shows;
When microprocessor through key press detecting circuit receive the user through the stimulating current pulsewidth the touching signals that button 105 sends is set the time; Microprocessor calculates and revises the pulsewidth of the stimulating current of having stored in its internal memory according to the touching signals that receives, and this pwm value is transferred in the display module on OLED display screen 101, shows;
When microprocessor through key press detecting circuit receive the user through stimulating current amplitude maximum adjustable adjusting range the touching signals that button 103 sends is set the time; Microprocessor calculates and revises the amplitude peak adjustable extent of the stimulating current of having stored in its internal memory according to the touching signals that receives, and this value range is transferred in the display module on OLED display screen 101, shows.
After above-mentioned running parameter was regulated and accomplished, described plexus nervorum stimulator can connect the epineural clump stimulated pin and auxiliary electrode to use, and its concrete operations step is following:
(1) specific location at body surface sticks an auxiliary electrode, and stimulates pin to insert in the human body ad-hoc location plexus nervorum;
(2) user can be provided with the amplitude of boost pulse electric current through rotary knob 110; When microprocessor receives the touching signals that the user sends through rotary knob 110 through the rotary coding testing circuit; Microprocessor calculates and revises the amplitude of the stimulating current of having stored in its internal memory according to the touching signals that receives, and this range value is transferred in the display module on OLED display screen 101, shows;
(3) with amplitude adjusted to the 1.0～1.5mA of stimulating current, whether patient's muscle of observing the patient has contractile response.Said plexus nervorum stimulates pin if no significant reaction then continues deep insertion; If patient's muscle has tangible contractile response; Lower current amplitude, when the stimulating current amplitude is reduced to 0.2～0.5mA (setting threshold), if still can observe tangible muscle contraction reaction; Promptly think needle point that said plexus nervorum stimulates pin near plexus nervorum, can stimulate the pin injecting narcotic this moment through said plexus nervorum.
Wherein, buzzer 113 can send the alarm sound of different frequency and/or different volumes and the light of different colours according to the situation of target current and actual current with LED light 111.For example; If the difference of the desired value of stimulating current amplitude and actual value is greater than threshold value; Then buzzer 113 will send rapid and sharp-pointed sound; LED light 111 blinking red lamps, need stick said auxiliary electrode again this moment or change said plexus nervorum stimulates pin, continues to repeat above-mentioned each step after the completion again; If the difference of the desired value of stimulating current amplitude and actual value is in threshold range, then buzzer 113 will send the mitigation lullaby, and the flicker of LED light 111 green lights shows that auxiliary electrode and plexus nervorum stimulate pin all normal.
In addition; When microprocessor receives the touching signals that the user sends through navigation of display screen menu and ACK button 106～109 through key press detecting circuit; Microprocessor sends corresponding may command according to this touching signals and instructs to said display module; Display module is presented on the OLED display screen according to the instruction reading corresponding data and with it, so that the user checks each running parameter and stimulator information.
The stimulating method of plexus nervorum stimulating system according to the invention may further comprise the steps:
Step 1, stick an auxiliary electrode, and stimulate pin to insert in the human body ad-hoc location plexus nervorum in the specific location of body surface;
Step 2, regulate through running parameter the scalable amplitude range that module is provided with pulse current is set, and regulate amplitude, frequency and/or the pulsewidth of boost pulse electric current respectively;
Step 3, microprocessor are monitored said running parameter adjusting in real time each touching signals that module is sent are set; And calculate amplitude, frequency and/or the pulsewidth of pulse current respectively according to each touching signals; And be stored in the storage medium of said microprocessor, simultaneously above-mentioned parameter is shown in display module;
Step 4, boost pulse send amplitude, frequency and the pulsewidth that control module reads the pulse current in the microprocessor stores medium, and outwards export the boost pulse electric current according to the parameter control that reads;
After step 5, plexus nervorum stimulate pin to connect the boost pulse electric current that is sent by boost pulse transmission control module, observe and judge human muscle's contractile response, if no significant reaction then continues deeply to insert said plexus nervorum stimulation pin; If reaction is violent, then regulate the amplitude that module continues to reduce the boost pulse electric current that is provided with through running parameter, current amplitude is during to setting threshold, if the reaction of observed muscle contraction is still violent, then said plexus nervorum stimulates the position of pin insertion near plexus nervorum.
As further embodiment of the present invention; The method of the invention also comprises: measuring said plexus nervorum stimulates pin and the interpolar impedance of said auxiliary electrical; Calculate actual boost pulse current amplitude and itself and target stimulus pulse current amplitude are compared according to resistance value
If the difference of actual boost pulse current amplitude and target stimulus pulse current amplitude is greater than threshold value; Then alarm modules gives the alarm; Need stick said auxiliary electrode again or change plexus nervorum stimulates pin, continue this step until the difference of actual boost pulse current amplitude and target stimulus pulse current amplitude in threshold range;
If the difference of actual boost pulse current amplitude and target stimulus pulse current amplitude in threshold range, then continues above-mentioned steps 1～step 5 until determining position that said plexus nervorum stimulates the pin insertion near plexus nervorum.
More than; Be merely preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. plexus nervorum stimulating system; It is characterized in that; Comprise: plexus nervorum stimulator, auxiliary electrode and plexus nervorum stimulate pin, and said auxiliary electrode stimulates pin to be connected with the boost pulse current output terminal of said plexus nervorum stimulator through adapter with said plexus nervorum; Wherein,
Said plexus nervorum stimulator comprises: running parameter is regulated module, microprocessor, boost pulse transmission control module, display module and power module is set; Wherein,
Said running parameter is regulated module is set, and comprises at least one adjusting button and/or knob, and each regulates button or knob links to each other with said microprocessor through key press detecting circuit or rotary coding testing circuit; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, regulate amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor according to each touching signals;
Said boost pulse sends control module, reads the boost pulse electric current that also outwards sends according to the running parameter control of storing in the said microprocessor stores medium;
Said display module links to each other with the shows signal outfan of said microprocessor, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module provides the work of said plexus nervorum stimulating system required voltage;
Said plexus nervorum stimulator also comprises: the impedance measurement module; Measure said plexus nervorum and stimulate pin and the interpolar impedance of said auxiliary electrical; Said microprocessor calculates actual boost pulse electric current and itself and said boost pulse is sent the target stimulus pulse current that control module exports and compare according to measuring the gained resistance value; According to comparative result output alarm signal, and resistance value is outputed to said display module show.
2. according to the said plexus nervorum stimulating system of claim 1, it is characterized in that said plexus nervorum stimulator also comprises: alarm modules, it comprises display lamp and/or buzzer; Said microprocessor receives the resistance value of said impedance measurement module output; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.
3. according to the said plexus nervorum stimulating system of claim 1, it is characterized in that described power module also comprises a reverse-connection preventing circuit.
4. a plexus nervorum stimulator is characterized in that, said plexus nervorum stimulator comprises: running parameter is regulated module, microprocessor, boost pulse transmission control module, display module and power module is set; Wherein,
Said running parameter is regulated module is set, and comprises at least one adjusting button or knob, and each regulates button or knob links to each other with said microprocessor through key press detecting circuit or rotary coding testing circuit; Be used to be provided with the maximum adjustable adjusting range of boost pulse current amplitude, regulate amplitude, frequency and/or the pulsewidth of output pulse current;
Said microprocessor is monitored said running parameter in real time and is regulated each touching signals that module is sent is set, and calculates amplitude, frequency and/or the pulsewidth of pulse current respectively and is stored in the storage medium of said microprocessor according to each touching signals;
Said boost pulse sends control module, reads the boost pulse electric current that also outwards sends according to the running parameter control of storing in the said microprocessor stores medium;
Said display module links to each other with the shows signal outfan of said microprocessor, is used to show amplitude, frequency and the pulsewidth of boost pulse electric current;
Said power module provides the work of said plexus nervorum stimulator required voltage;
Also comprise: the impedance measurement module; Measurement is external in plexus nervorum stimulation pin and the interpolar impedance of auxiliary electrical that said boost pulse sends the control module outfan; Said microprocessor calculates actual boost pulse electric current and itself and said boost pulse is sent the target stimulus pulse current that control module exports and compare according to measuring the gained resistance value; According to comparative result output alarm signal, and resistance value is outputed to said display module show.
5. according to the said plexus nervorum stimulator of claim 4, it is characterized in that, also comprise: alarm modules, it comprises display lamp and/or buzzer; Said microprocessor receives the resistance value of said impedance measurement module output; Calculate actual boost pulse electric current and the target stimulus pulse current that itself and said boost pulse send control module output is compared according to resistance value, send alarm signal to said alarm modules according to comparative result.
6. according to the said plexus nervorum stimulator of claim 4, it is characterized in that described power module also comprises a reverse-connection preventing circuit.
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| RU2017130351A (en) * | 2015-02-02 | 2019-03-04 | Новинтум Медикэл Текнолоджи Гмбх | DEVICES AND METHODS OF ELECTRICAL STIMULATION OF VEINS, AND ALSO THEIR APPLICATIONS |
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