CN103006343A - Dental implant micro-electrical stimulation healing device - Google Patents
Dental implant micro-electrical stimulation healing device Download PDFInfo
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- CN103006343A CN103006343A CN2012105927927A CN201210592792A CN103006343A CN 103006343 A CN103006343 A CN 103006343A CN 2012105927927 A CN2012105927927 A CN 2012105927927A CN 201210592792 A CN201210592792 A CN 201210592792A CN 103006343 A CN103006343 A CN 103006343A
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Abstract
The invention discloses a dental implant micro-electrical stimulation healing device. The device comprises an adjustable constant-voltage circuit which is used for transmitting constant voltage to an electrode, an adjustable constant current circuit which is used for transmitting constant current to the electrode, a singlechip which is used for controlling to selectively use the adjustable constant voltage circuit or the adjustable constant current circuit, adjusting the output voltage of the adjustable constant voltage circuit, adjusting the output current of the adjustable constant current circuit, and controlling the set working time of the healing device, a power supply which is used for supplying power to the singlechip, and an electrode which comprises a cathode and an anode and is used for leading out voltage or current output from the adjustable constant voltage circuit or the adjustable constant current circuit and respectively supplying voltage or current to a dental implant and human skin or soft tissue, wherein the cathode is fixed on the dental implant. According to the healing device, stem cell migration can be effectively improved, healing of bone and soft tissue on the periphery of the dental implant and combination of the bone and soft tissue with the dental implant can be promoted, quick healing of the dental implant can be effectively promoted, and the healing period can be remarkably shortened. The healing device is simple in structure, easy to operate and convenient to use.
Description
Technical field
The present invention relates to the electricity irritation healing instrument, particularly for the dentistry implant micro-electrical stimulation healing instrument that promotes the dentistry implant healing.
Background technology
Dentistry implant is by in the upper mandibular bone of operating mode with its implant into body agomphosis position, behind its operation wound heal, implantation body and synosteosis, the device of repairing artificial tooth is installed at an upper portion thereof.
The sixties in 20th century, Sweden scholar professor Branemark finds, the formation of combining closely between the surface microstructure of Titanium and osseous tissue " bone integration ".The basis that bone integrated interface theory has been established modern oral implantology.The bone integrated interface is the basis of guaranteeing bone regeneration around implant osseous tissue energy stable for extended periods of time and bearing functional burdening.
The successful healing at interface and to keep stable also be the successful key factor of plantation between mucosa and the implantation body.Tooth implant penetrates mucous membrane tissue and is exposed to the oral cavity, need to set up a good connective tissue sealing, prevents that for implantation body provides oral cavity bacterium and toxin thereof from entering one barrier of interior environment.The mucous membrane tissue of bone regeneration around implant is similar to the periodontal gum tissue of nature, but compares with the natural teeth gingiva, this layer relatively avascular soft tissue defense mechanism a little less than.
Plantation reparation is the focus of present clinical oral and stomatology research, and the healing level that improves gingiva tissue and osseous tissue is facing of task.Mesenchymal stem cells MSCs migrate to implantation body-bone interface and deposit sclerotin, epidermis and periodontal tissue stem cell migrate to implantation body-gingiva interface and form implantation body and gingival epithelium between combination be the key that implantation body succeeds.
Be widely used aspect the growth of the healing that the method for galvanic stimulation is fractured in promotion, the treatment of wound, nerve.
The therapeutic equipments of the related bone healing of putting down in writing in the existing patent, the method of having used galvanic stimulation such as Chinese patent application CN201120200642.8, CN90100934.2, the disclosed therapeutic equipments of CN200610061732.7 promotes union of fracture, and the Therapeutic Method and the instrument that adopt the galvanic stimulation method to promote implantation body and jawbone and gingival epithelium organizational integration are not yet arranged at present.And these instruments all are to promote its wound healing by galvanism bone, and these instruments or with the host computer of heaviness, or with capacitor plate, carry inconvenience, have limitation.
At present, the healing of dentistry implant generally needed about 3-4 month clinically, the patient who accepts plantation will stand pain and the inconvenience that brings in implantation body's agglutination within the so long time cycle, will help the patient to avoid long pain torment if can shorten healing cycle.
Summary of the invention
In order to address the above problem, the inventor has carried out with keen determination research, found that: by constant current or constant voltage the dentistry implant of implanting jawbone is carried out the healing that electricity irritation can promote dentistry implant and bone and gingiva, particularly, regulate the output voltage size of adjustable constant voltage circuit or the output current size of adjustable constant-flow circuit by single-chip microcomputer, and provide dentistry implant and skin or soft tissue electricity irritation by electrode with constant voltage electricity or Constant Electric Current, can effectively promote the quickly-healing of dentistry implant, can set further the working time of adjustable constant voltage circuit or adjustable constant-flow circuit by single-chip microcomputer, i.e. working time of this healing instrument, so that the healing instrument use is more convenient, thereby finished the present invention.
The object of the present invention is to provide following aspect:
(1) dentistry implant micro-electrical stimulation healing instrument is characterized in that, this healing instrument comprises:
The adjustable constant voltage circuit, to electrode delivered constant voltage,
The adjustable constant-flow circuit, to electrode delivered constant electric current,
Single-chip microcomputer (34) is used for control choice for use adjustable constant voltage circuit or adjustable constant-flow circuit, regulates the size of the output voltage of adjustable constant voltage circuit, regulates the size of the output current of adjustable constant-flow circuit, and controls the setting working time of described healing instrument,
Power supply (31), for single-chip microcomputer provides power supply,
Electrode comprises negative electrode (20) and anode (21), and being used for derives and offer respectively dentistry implant and human body skin or soft tissue with the electric current of adjustable constant voltage circuit or the output of adjustable constant-flow circuit,
Wherein, negative electrode (20) is fixed on the dentistry implant.
(2) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Shell is encapsulated in outside power supply, single-chip microcomputer, adjustable constant voltage circuit and the adjustable constant-flow circuit.
(3) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Negative electrode (20) is fixed on the dentistry implant cover screw fixture cover.
(4) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Negative electrode (20) by electrode fixed connection apparatus card embrace, clamping, chimeric or encircle on dentistry implant or dentistry implant cover screw fixture cover.
(5) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Anode is contact electrode, adhesive electrode, thrust electrode, metal hanger or metal handle.
According to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that (6) this dentistry implant micro-electrical stimulation healing instrument also comprises:
Control panel (35), it links to each other with single-chip microcomputer, adjustable constant voltage circuit and adjustable constant-flow circuit respectively, by control panel (35) thus upper mode of operation functional keys control single chip computer choice for use adjustable constant voltage circuit or the adjustable constant-flow circuit that arranges, by control panel (35) thus upper working time functional keys control single chip computer control adjustable constant voltage circuit or adjustable constant-flow circuit working time, i.e. the healing instrument working time that arranges.
(7) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Adjustable constant voltage/constant-current circuit is set, selects adjustable constant voltage circuit or adjustable constant-flow circuit by on-off control;
Wherein adjustable constant voltage/constant-current circuit comprises:
Supply module, for the constant voltage/constant current control module provides power supply,
The constant voltage/constant current control module, the power supply that supply module is provided converts constant voltage/electric current to and outputs to electrode.
(8) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Supply module comprises:
Alternating current power supply is used for providing alternating current power supply,
Voltage changing module (1) is converted to dc source with alternating current power supply and outputs to power switch (2),
Power switch (2) is used for the opening and closing of the dc source of control voltage changing module output,
Unidirectional current transducer (10) will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
Unidirectional current transducer (11) will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
Unidirectional current transducer (12) will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
Radiator (3) is the supply module heat radiation.
(9) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
The constant voltage/constant current control module comprises:
Controller (5) comprising:
Digital to analog converter (5a) is used for output and is worth proportional control voltage as input signal with the setting constant voltage, and input operational amplifier (4a),
Analog-digital converter (5c) is used for the signal that reception operational amplifier (4b) and operational amplifier (4c) are exported,
Data/address bus (5d), with the information output of digital to analog converter (5a) the output display screen (6b) to display,
Input/output port (5b), with the input information of analog-digital converter (5c) output to display lamp (6a);
Operational amplifier group (4) comprises
Operational amplifier (4a) becomes the signal (Vin) of controller input into the voltage signal of equal proportion and with voltage signal input sample resistance (8) and operational amplifier (4b),
Operational amplifier (4b) receives the signal that sampling resistor and operational amplifier (4a) are exported, and exports signal to switch and controller, realizes constant current output by closed loop feedback,
Operational amplifier (4c) receives the signal of load (9) output and exports switch to and controller; With
Switch (7) is used for control and is chosen as adjustable constant-flow circuit or adjustable constant voltage circuit.
(10) according to above-mentioned aspect described dentistry implant micro-electrical stimulation healing instrument, it is characterized in that,
Digital to analog converter (5a) is 12 figure place weighted-voltage D/A converters;
Analog-digital converter (5c) is 10 analog-digital converters;
Operational amplifier (4a) is the OPA551 device;
Operational amplifier (4b) and operational amplifier (4c) are the AD620 device.
According to dentistry implant micro-electrical stimulation healing instrument provided by the invention, can regulate at any time as required size and the working time of operating current or voltage, the migration of energy Effective Raise stem cell, the healing of promotion dentistry implant surrounding tissue reaches is combined with dentistry implant, effectively promote the quickly-healing of dentistry implant, significantly shorten healing cycle, and this healing instrument structure is simple and direct, easy operating, easy to use.
Description of drawings
Fig. 1 illustrates the structural representation of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 2 illustrates the user mode structural representation of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 3 illustrates the supply module structural representation of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 4 illustrates the constant voltage/constant current control module structural representation of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 5 illustrates the constant voltage/constant current control module circuit diagram of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 6 illustrates the control panel sketch map of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention;
Fig. 7 illustrates the control panel sketch map of the dentistry implant micro-electrical stimulation healing instrument of a kind of preferred implementation according to the present invention.
The drawing reference numeral explanation:
The 1-voltage changing module
The 2-power switch
The 3-radiator
4-operational amplifier group
The 4a-operational amplifier
The 4b-operational amplifier
The 4c-operational amplifier
The 5-controller
The 5a-digital to analog converter
The 5b-input/output port
The 5c-analog-digital converter
The 5d-data/address bus
The 6-display
The 6a-display lamp
The 6b-display screen
The 7-switch
The 8-sampling resistor
The 9-load
10-unidirectional current transducer
11-unidirectional current transducer
12-unidirectional current transducer
The 20-negative electrode
The 21-anode
22-dentistry implant cover screw fixture cover
23-electrode fixed connection apparatus
The 31-power supply
32-adjustable constant-flow circuit
33-adjustable constant voltage circuit
The 34-single-chip microcomputer
The 35-control panel
The 41-on and off switch
42-constant voltage mode button
43-electric field intensity is selected knob
44-selection of time knob
The 45-Pause key
46-constant current mode button
47-current intensity is selected knob
48-selection of time knob
The 49-start key
50-dentistry implant micro-electrical stimulation healing instrument
The specific embodiment
Below by the present invention is described in detail, characteristics of the present invention and advantage will become more clear, clear and definite along with these explanations.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although accompanying drawing unless otherwise indicated, needn't be drawn in proportion in the various aspects of embodiment shown in the drawings.
The inventor finds through research, after tissue damaged hinders namely damaged tissue with form a stable slightly less Endogenous Electrical Fields (about 100-200mv) between the damaged tissue, this electric field persistent period is grown (a few days is to several weeks), be distributed in around the damaged tissue in several millimeters the spatial dimension, nearer apart from damaged tissue, slightly larger; The new bone apposition of generation that always can be constant at the nagative potential place, and the positive potential place often produces bone resorption, this discloses displaceable electric charge to the significance of osteogenesis process.In addition, the research about skin progenitor cell shows that also under the effect of electric microfield, epidermal stem cells is to the movable cathode of electric field.Therefore, the inventor thinks: tooth implant is applied the migration that external electric field can the Effective Raise stem cell, promote the healing of Peri-implant tissues and is combined with implantation body, improve the healing of implantation body, the raising success rate.
Disclosed by the invention is a kind of dentistry implant micro-electrical stimulation healing instrument that can promote the dentistry implant healing, uses this healing instrument to be beneficial to the healing of tooth implant, improves the success rate that clinical plantation is repaired.
In according to a preferred embodiment of the present invention, as shown in Fig. 1-2, provide
Dentistry implant micro-electrical stimulation healing instrument 50 is characterized in that, this healing instrument comprises:
The adjustable constant voltage circuit, to electrode delivered constant voltage,
The adjustable constant-flow circuit, to electrode delivered constant electric current,
Single-chip microcomputer is used for control choice for use adjustable constant voltage circuit or adjustable constant-flow circuit, regulates the size of the output voltage of adjustable constant voltage circuit, regulates the size of the output current of adjustable constant-flow circuit, and controls the setting working time of described healing instrument,
Electrode comprises negative electrode 20 and anode 21, and being used for derives and offer respectively dentistry implant and human body skin or soft tissue with the electric current of adjustable constant voltage circuit or the output of adjustable constant-flow circuit,
Wherein, negative electrode 20 is fixed on the dentistry implant.
In the present invention, adjustable constant voltage circuit or adjustable constant-flow circuit can only be selected a use.
In according to a preferred embodiment of the present invention, dentistry implant micro-electrical stimulation healing instrument also comprises control panel 35, it links to each other with single-chip microcomputer, adjustable constant voltage circuit and adjustable constant-flow circuit respectively, thereby by mode of operation functional keys control single chip computer choice for use adjustable constant voltage circuit or the adjustable constant-flow circuit that arranges on the control panel 35, thereby by working time functional keys control single chip computer control adjustable constant voltage circuit or adjustable constant-flow circuit working time, i.e. the healing instrument working time that arranges on the control panel 35.
In according to a preferred embodiment of the present invention, this dentistry implant micro-electrical stimulation healing instrument also comprises:
Shell is encapsulated in outside power supply, single-chip microcomputer, adjustable constant voltage circuit and the adjustable constant-flow circuit, is arranged at the outside of this healing instrument, whole healing instrument is played a protective role,
In according to a preferred embodiment of the present invention, negative electrode 20 can be fixed on dentistry implant or the dentistry implant cover screw fixture cover by the electrode fixed connection apparatus.Especially, negative electrode 20 can block embrace, clamping, chimeric or encircle on dentistry implant or dentistry implant cover screw fixture cover.
In according to a preferred embodiment of the present invention, anode can be for adhesive electrode, thrust electrode, metal hanger or metal handle, so that human body skin or soft tissue easily contact.
When needs are used this healing instrument dentistry implant are carried out electricity irritation, negative electrode is installed in dentistry implant cover screw fixture cover 22 or dentistry implant top, and anode is fixed on the patient body-surface skin, provide constant voltage or Constant Electric Current to dentistry implant and skin respectively by negative electrode and anode, carry out electricity irritation.
In further preferred embodiment, dental impression silica is clogged around negative electrode 20 and dentistry implant with silicone rubber or dental wax, seal negative electrode and 22 effects of dentistry implant cover screw fixture cover to play, thereby isolated saliva avoids tongue and cheek soft tissue to affect electrode.
In according to dentistry implant micro-electrical stimulation healing instrument provided by the invention, be not particularly limited for adjustable constant voltage circuit and adjustable constant-flow circuit, can use adjustable constant voltage circuit commonly used and adjustable constant-flow circuit.
In according to a preferred embodiment of the present invention, the adjustable constant voltage circuit can be designed as public identical original paper with the adjustable constant-flow circuit, and is adjustable constant voltage circuit or adjustable constant-flow circuit by on-off control.
Particularly, such as Fig. 3, Fig. 4 and shown in Figure 5, adjustable constant voltage/constant-current circuit is set, selects adjustable constant voltage circuit or adjustable constant-flow circuit by on-off control;
Wherein adjustable constant voltage/constant current comprises:
Supply module, for the constant voltage/constant current control module provides power supply,
The constant voltage/constant current control module, the power supply that supply module is provided converts constant voltage/electric current to and outputs to electrode.
Wherein, supply module comprises:
Alternating current power supply is used for providing alternating current power supply,
Unidirectional current transducer 10 will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
Unidirectional current transducer 11 will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
Unidirectional current transducer 12 will convert the unidirectional current of required size to from the unidirectional current of power switch input, and output to the constant voltage/constant current control module,
The constant voltage/constant current control module comprises:
Digital to analog converter 5a is used for output and is worth proportional control voltage as input signal with the setting constant voltage, and input operational amplifier 4a,
Analog-digital converter 5c is used for the signal that reception operational amplifier 4b and operational amplifier 4c export,
Data/address bus 5d, with the information output of the digital to analog converter 5a output display screen 6b to display,
Input/output port 5b, with the input information of analog-digital converter 5c output to display lamp 6a;
Switch 7 is used for control and is chosen as adjustable constant-flow circuit or adjustable constant voltage circuit.
Especially, digital to analog converter 5a is 12 figure place weighted-voltage D/A converters; Analog-digital converter 5c is 10 analog-digital converters; Operational amplifier 4a is the OPA551 device; Operational amplifier 4b and operational amplifier 4c are the AD620 device.
Below in conjunction with figure summary constant voltage/constant current work process.
As shown in Figure 3, external power source (AC220V) is through voltage changing module (transformator), power switch, external power source is converted to DC12V, supplies with respectively radiator and DC/DC device, output ± 15V ,+5V ,+3.3V supplies with respectively operational amplifier group, controller and display.
As shown in Figure 4 and Figure 5, the constant voltage/constant current pattern is selected by " V/I switch "; The output of controller D/A module is sent into amplifying device (OPA551) with the proportional control voltage of setting constant voltage/constant current value as input signal (Vin); The voltage signal KVin of amplifier output and front end input signal (Vin) equal proportion; Load voltage VLoad sends into amplifier AD620, and AD620 output is sent into front-end amplifier OPA551 as feedback signal under the constant voltage mode, realizes constant voltage output by closed loop feedback; Load Road rear end series connection sampling resistor Rm, instrument amplifier AD620 is sent in the pressure drop at sampling resistor two ends, and AD620 output is sent into front-end amplifier OPA551 as feedback signal under the constant current mode, realizes constant current function by closed loop feedback.
Voltage and current is respectively by two amplifier AD620, and output signal is sent into respectively controller and finished the AD conversion, and the voltage/current data are sent to display screen and show.
In according to dentistry implant micro-electrical stimulation healing instrument provided by the invention, control panel can arrange as required, the special requirement not to this.For example, Fig. 6 and Fig. 7 show two kinds of control panels, wherein, on and off switch 41 links to each other with power switch 2, be used for controlling the on and off switch of whole circuit, constant current mode button 46 links to each other with switch 7 respectively with constant voltage mode button 42, be used for the conversion between control adjustable constant-flow circuit and the adjustable constant voltage circuit, electric field intensity selects knob 43 and current intensity to select knob 47 to be used for the size of control circuit electric current and voltage, selection of time knob 44 and selection of time knob 48 are used for controlling treatment time, timing is set, and start key 49 and Pause key 45 are used for time-out and the unlatching of control healing instrument.
In the preferred implementation of dentistry implant micro-electrical stimulation healing instrument according to the present invention, the adjustable constant voltage circuit provides the following voltage of 5V; The adjustable constant-flow circuit provides the following electric current of 500 μ A.Further preferably, the adjustable constant voltage circuit provides 50-5000mV voltage; The adjustable constant-flow circuit provides 10-500 μ A electric current.
Clinical trial
For the 10 routine clinical patients of accepting dentistry implant, installation is according to dentistry implant micro-electrical stimulation healing instrument of the present invention, observe the dentistry implant healing cycle and be 1-2 month, and the patient that dentistry implant micro-electrical stimulation healing instrument is not installed, the clinical observation healing cycle is 3-4 month.
Show thus, can effectively promote the dentistry implant quickly-healing according to dentistry implant micro-electrical stimulation healing instrument provided by the invention, shorten healing cycle.
Abovely in conjunction with the specific embodiment and exemplary example the present invention is had been described in detail, but these explanations can not be interpreted as limitation of the present invention.It will be appreciated by those skilled in the art that in the situation that does not depart from spirit and scope of the invention can carry out multiple replacement of equal value, modify or improve technical solution of the present invention and embodiment thereof, these all fall within the scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. dentistry implant micro-electrical stimulation healing instrument is characterized in that, this healing instrument comprises:
Adjustable constant voltage circuit (33), to electrode delivered constant voltage,
Adjustable constant-flow circuit (32), to electrode delivered constant electric current,
Single-chip microcomputer (34) is used for control choice for use adjustable constant voltage circuit or adjustable constant-flow circuit, regulates the size of the output voltage of adjustable constant voltage circuit, regulates the size of the output current of adjustable constant-flow circuit, and controls the setting working time of described healing instrument,
Power supply (31), for single-chip microcomputer provides power supply,
Electrode comprises negative electrode (20) and anode (21), and being used for derives and offer respectively dentistry implant and human body skin or soft tissue with the electric current of adjustable constant voltage circuit or the output of adjustable constant-flow circuit,
Wherein, negative electrode (20) is fixed on the dentistry implant.
2. dentistry implant micro-electrical stimulation healing instrument according to claim 1 is characterized in that,
This healing instrument also comprises:
Shell is encapsulated in outside power supply, single-chip microcomputer, adjustable constant voltage circuit and the adjustable constant-flow circuit.
3. dentistry implant micro-electrical stimulation healing instrument according to claim 1 is characterized in that,
Negative electrode (20) is fixed on the dentistry implant cover screw fixture cover.
4. according to claim 1 or 3 described dentistry implant micro-electrical stimulation healing instruments, it is characterized in that,
Negative electrode (20) by electrode fixed connection apparatus card embrace, clamping, chimeric or encircle on dentistry implant or dentistry implant cover screw fixture cover.
5. dentistry implant micro-electrical stimulation healing instrument according to claim 1 is characterized in that,
Anode is contact electrode, adhesive electrode, thrust electrode, metal hanger or metal handle.
6. dentistry implant micro-electrical stimulation healing instrument according to claim 1 is characterized in that, this dentistry implant micro-electrical stimulation healing instrument also comprises:
Control panel (35), it links to each other with single-chip microcomputer, adjustable constant voltage circuit and adjustable constant-flow circuit respectively, by control panel (35) thus upper mode of operation functional keys control single chip computer choice for use adjustable constant voltage circuit or the adjustable constant-flow circuit that arranges, by control panel (35) thus upper working time functional keys control single chip computer control adjustable constant voltage circuit or adjustable constant-flow circuit working time, i.e. the healing instrument working time that arranges.
7. dentistry implant micro-electrical stimulation healing instrument according to claim 1 is characterized in that,
Adjustable constant voltage/constant-current circuit is set, selects adjustable constant voltage circuit or adjustable constant-flow circuit by on-off control;
Wherein adjustable constant voltage/constant-current circuit comprises:
Supply module, for the constant voltage/constant current control module provides power supply,
The constant voltage/constant current control module, the power supply that supply module is provided converts constant voltage/electric current to and outputs to electrode.
8. dentistry implant micro-electrical stimulation healing instrument according to claim 7 is characterized in that,
Supply module comprises:
Alternating current power supply is used for providing alternating current power supply,
Voltage changing module (1) is converted to dc source with alternating current power supply and outputs to power switch (2),
Power switch (2) is used for the opening and closing of the dc source of control voltage changing module output,
Unidirectional current transducer (10) will convert the unidirectional current of required size to from the unidirectional current of power switch (2) input, and output to the constant voltage/constant current control module,
Unidirectional current transducer (11) will convert the unidirectional current of required size to from the unidirectional current of power switch (2) input, and output to the constant voltage/constant current control module,
Unidirectional current transducer (12) will convert the unidirectional current of required size to from the unidirectional current of power switch (2) input, and output to the constant voltage/constant current control module,
Radiator (3) is the supply module heat radiation.
9. dentistry implant micro-electrical stimulation healing instrument according to claim 7 is characterized in that,
The constant voltage/constant current control module comprises:
Controller (5) comprising:
Digital to analog converter (5a) is used for output and is worth proportional control voltage as input signal with the setting constant voltage, and input operational amplifier (4a),
Analog-digital converter (5c) is used for the signal that reception operational amplifier (4b) and operational amplifier (4c) are exported,
Data/address bus (5d), with the information output of digital to analog converter (5a) the output display screen (6b) to display (6),
Input/output port (5b), with the input information of analog-digital converter (5c) output to display lamp (6a);
Operational amplifier group (4) comprises
Operational amplifier (4a) becomes the signal (Vin) of controller input into the voltage signal of equal proportion and with voltage signal input sample resistance (8) and operational amplifier (4b),
Operational amplifier (4b) receives the signal that sampling resistor and operational amplifier (4a) are exported, and exports signal to switch and controller, realizes constant current output by closed loop feedback,
Operational amplifier (4c) receives the signal of load (9) output and exports switch to and controller; With
Switch (7) is used for control and is chosen as adjustable constant-flow circuit or adjustable constant voltage circuit.
10. dentistry implant micro-electrical stimulation healing instrument according to claim 9 is characterized in that,
Digital to analog converter (5a) is 12 figure place weighted-voltage D/A converters;
Analog-digital converter (5c) is 10 analog-digital converters;
Operational amplifier (4a) is the OPA551 device;
Operational amplifier (4b) and operational amplifier (4c) are the AD620 device.
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| CN201210592792.7A CN103006343B (en) | 2012-12-31 | 2012-12-31 | Dental implant micro-electrical stimulation healing device |
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| CN201210592792.7A CN103006343B (en) | 2012-12-31 | 2012-12-31 | Dental implant micro-electrical stimulation healing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019082158A1 (en) | 2017-10-26 | 2019-05-02 | Universidade Do Minho | Dental implant with electrostimulation system and its production method |
| WO2019082154A1 (en) | 2017-10-26 | 2019-05-02 | Universidade Do Minho | Dental implant made of zirconia or alumina with healing electrical properties and its production method |
| CN113412096A (en) * | 2019-02-05 | 2021-09-17 | 拉斐尔·瑟吉斯 | Novel systems and methods for accelerating dental implant healing |
| CN117045966A (en) * | 2023-09-11 | 2023-11-14 | 北京领创医谷科技发展有限责任公司 | Combined mode adjusting method and device of nerve stimulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019082158A1 (en) | 2017-10-26 | 2019-05-02 | Universidade Do Minho | Dental implant with electrostimulation system and its production method |
| WO2019082154A1 (en) | 2017-10-26 | 2019-05-02 | Universidade Do Minho | Dental implant made of zirconia or alumina with healing electrical properties and its production method |
| CN113412096A (en) * | 2019-02-05 | 2021-09-17 | 拉斐尔·瑟吉斯 | Novel systems and methods for accelerating dental implant healing |
| CN113412096B (en) * | 2019-02-05 | 2023-10-13 | 拉斐尔·瑟吉斯 | Novel systems and methods for accelerating dental implant healing |
| CN117045966A (en) * | 2023-09-11 | 2023-11-14 | 北京领创医谷科技发展有限责任公司 | Combined mode adjusting method and device of nerve stimulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103006343B (en) | 2014-12-10 |
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