CN206252731U - Beauty instrument high-frequency electromagnetic wave generation circuit - Google Patents
Beauty instrument high-frequency electromagnetic wave generation circuit Download PDFInfo
- Publication number
- CN206252731U CN206252731U CN201620837219.1U CN201620837219U CN206252731U CN 206252731 U CN206252731 U CN 206252731U CN 201620837219 U CN201620837219 U CN 201620837219U CN 206252731 U CN206252731 U CN 206252731U
- Authority
- CN
- China
- Prior art keywords
- inductance
- frequency electromagnetic
- beauty instrument
- generation circuit
- electromagnetic wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model embodiment provides a kind of beauty instrument high-frequency electromagnetic wave generation circuit, is related to beauty apparatus field.Beauty instrument high-frequency electromagnetic wave generation circuit includes tunable capacitor, the first inductance, the second inductance, the 3rd inductance and the 4th inductance, first inductance respectively with second inductance and the 3rd inductive, 4th inductance is electrically connected between the two ends of first inductance, and the treatment head, second inductance, the tunable capacitor, the 3rd inductance and the negative plate are electrically connected with successively.The beauty instrument high-frequency electromagnetic wave generation circuit that the utility model is provided can produce the frequency electromagnetic waves that can be used for human body skin beauty after powered up, when beauty is carried out using frequency electromagnetic waves beauty instrument laminating human body skin, producing frequency electromagnetic waves can import human body skin through treatment head, in the process, the Electromagnetic Field of generation reaches good cosmetic result in human body skin.
Description
Technical field
The utility model is related to beauty apparatus field, in particular to a kind of beauty instrument high-frequency electromagnetic wave generation circuit.
Background technology
Beauty instrument is exactly a kind of equipment for utilizing the methods such as physics, electronic technology, optics to give people beauty.
Beauty instrument common on the market at present has based on electric current, pulse, vibrations, vacuum suction, ultrasonic wave, magnetic field, radio frequency
And the principle such as high light beauty, its species is various.But in beauty instrument conventional at present, many beauty instruments are on cosmetic result
All there is a problem of that cosmetic result is poor.
Utility model content
In view of this, the purpose of the utility model embodiment be provide a kind of beauty instrument high-frequency electromagnetic wave generation circuit with
Improve above mentioned problem.
To achieve the above object, the technical scheme of the beauty instrument high-frequency electromagnetic wave generation circuit that the utility model is provided
It is as described below：
A kind of beauty instrument high-frequency electromagnetic wave generation circuit, is applied to frequency electromagnetic waves beauty instrument, the high-frequency electromagnetic Baume
Looks includes treatment head and negative plate, and the beauty instrument high-frequency electromagnetic wave generation circuit includes：Tunable capacitor, the first inductance,
Two inductance, the 3rd inductance and the 4th inductance, first inductance respectively with second inductance and the 3rd inductive, institute
State the 4th inductance to be electrically connected between the two ends of first inductance, the treatment head, second inductance, the adjustable electric
Hold, the 3rd inductance and the negative plate are electrically connected with successively.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that beauty instrument high-frequency electromagnetic wave generation circuit is also
Including the first primary coil, the first secondary coil, the first diode and the second diode, first primary coil is used to connect defeated
Enter power supply, first primary coil is coupled with first secondary coil, the two ends of first secondary coil respectively with institute
The anode of the anode and second diode of stating the first diode is electrically connected with, and one end of the 4th inductance is electrically connected with
Between the negative electrode of first diode and the negative electrode of second diode, the other end is electrically connected at first inductance
Two ends between.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that the quantity of the 4th inductance is 2, two
The individual 4th inductance series connection.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that the inductance value of each the 4th inductance is equal
It is 10mH.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that beauty instrument high-frequency electromagnetic wave generation circuit is also
Including current sense terminal, the current sense terminal is electrically connected at first secondary coil.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that beauty instrument high-frequency electromagnetic wave generation circuit is also
Including the second primary coil, second subprime coil, the 5th inductance, adjustable resistance, the first triode and the second triode, described
Two primary coils are used to connect input power, and second primary coil is coupled with the second subprime coil, the one or three pole
The emitter stage of the emitter stage of pipe and second triode is electrically connected between the two ends of the second subprime coil, institute
The base stage of the base stage and second triode of stating the first triode is electrically connected with the two ends of the 5th inductance, described
The colelctor electrode of the colelctor electrode of the first triode and second triode is electrically connected with the two ends of first inductance, institute
One end ground connection of adjustable resistance is stated, the other end is electrically connected between the two ends of the 5th inductance.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that beauty instrument high-frequency electromagnetic wave generation circuit is also
Including the first electric capacity and the second electric capacity, the second subprime is electrically connected at after first electric capacity and second capacitances in series
Between the two ends of coil.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that beauty instrument high-frequency electromagnetic wave generation circuit is also
Including the 3rd electric capacity and the 4th electric capacity, the 3rd electric capacity and the 4th electric capacity are electrically connected at the second subprime coil
Two ends between.
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that the maximum resistance of the adjustable resistance is
4.7KΩ。
Beauty instrument high-frequency electromagnetic wave generation circuit as described above, it is preferable that the second subprime coil ground connection.
Compared with prior art, beauty instrument high-frequency electromagnetic wave generation circuit of the present utility model has the advantages that：
The beauty instrument high-frequency electromagnetic wave generation circuit that the utility model is provided can produce can be used for human body skin after powered up
The frequency electromagnetic waves of skin beauty, when beauty is carried out using frequency electromagnetic waves beauty instrument laminating human body skin, produce high-frequency electromagnetic
Ripple can import human body skin through treatment head, and in the process, the Electromagnetic Field of generation reaches good beauty in human body skin
Effect.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other related accompanying drawings are obtained with according to these accompanying drawings.
The connection diagram of the beauty instrument high-frequency electromagnetic wave generation circuit that Fig. 1 is provided for the utility model preferred embodiment.
The connection signal of the another beauty instrument high-frequency electromagnetic wave generation circuit that Fig. 2 is provided for the utility model preferred embodiment
Figure.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of the utility model embodiment for showing can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
Additionally, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
Can be to be slightly tilted.It is not the expression structure if " level " refers to only its direction with respect to more level for " vertical "
Must be fully horizontal, and can be to be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to, can is two connections of element internal.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Fig. 1 is referred to, the utility model embodiment provides a kind of beauty instrument high-frequency electromagnetic wave generation circuit, the beauty instrument
High-frequency electromagnetic wave generation circuit is applied to frequency electromagnetic waves beauty instrument, and electromagnetic wave beauty instrument includes treatment head ZL and negative plate FJ,
Beauty instrument high-frequency electromagnetic wave generation circuit includes the first primary coil R11, the first secondary coil R12, the first diode D1,
Two diode D2, tunable capacitor CB, the first inductance L1, the second inductance L2, the 3rd inductance L3 and the 4th inductance L4.
Wherein, the first primary coil R11 is used to connect input power, the first secondary coil R12 and the first primary coil R11 couplings
Close, the two ends of the first secondary coil R12 electrically connect with the anode of the first diode D1 and the anode of the second diode D2 respectively
Connect, one end of the 4th inductance L4 is electrically connected between the negative electrode of the negative electrode of the first diode D1 and the second diode D2, another
End is electrically connected between the two ends of the first inductance L1, the electric current that the first secondary coil R12 is produced can through the first diode D1 or
After second diode D2, current limliting is carried out by the 4th inductance L4, play a part of smooth electric current.
First inductance L1 is coupled with the second inductance L2 and the 3rd inductance L3 respectively, and treatment head ZL, the second inductance L2, adjustable
Electric capacity CB, the 3rd inductance L3 and negative plate FJ are electrically connected with successively, and treatment head ZL is used for human body skin of being fitted in beauty therapeutic,
Negative plate FJ is connected with the housing of beauty instrument.Tunable capacitor CB, the first inductance L1, the second inductance L2 and the 3rd inductance L3 are constituted
One resonance circuit, produces electric field and magnetic field and is produced under the collective effect in electric field and magnetic field and can be used for the high frequency of beauty during conducting
Electromagnetic wave, frequency electromagnetic waves return to negative plate FJ via treatment head ZL to human body skin and by electromagnetic wave beauty instrument, so as to be formed
One complete loop, in the process, the through human body skin substrate of frequency electromagnetic waves of generation is applied to the moisture in collagen
Son, bipolar hydrone high speed vibration rotation, frictional heat is reached to the effect of dermal collagen heating, and dermal tissue experiences temperature
Degree stimulates, and elastomer chain generations is that property is swift in response and tightens up, and skin consolidation is lifted, and reinvents profile.Meanwhile, by optimal stimulation
Capillary can send help signal to brain, brain control peripheral cell produce a large amount of collagens it is carried out repair and
Supplement, tropocollagen molecule is gradually combined into the collagen of aligned orderly, so as to reach the effect of tightening skin and removing wrinkles.Secondly, enhance and control
Treat blood circulation and the Lymphatic Circulation at position, the tachymetabolism of the tissue that reduces fat.In addition, bio-heating effectiveness causes fat cell
Adipose tissue solution be free fatty and glycerine, eventually pass through body metabolism and excrete, reach fat melting weight reducing effect.
Preferably, in the present embodiment, the quantity of the 4th inductance L4 is two, and two the 4th inductance L4 are sequentially connected in series and inductance
Amount is 10mH.
Further, to realize carrying out real-time monitoring to the size of current of the first secondary coil R12 outputs, the present embodiment is carried
The beauty instrument high-frequency electromagnetic wave generation circuit of confession is additionally provided with current sense terminal J1, and current sense terminal J1 is electrically connected at
One secondary coil R12, in this way, during using beauty instrument by real by the size of current for detecting current sense terminal J1
Now the size of current to the first secondary coil R12 outputs is monitored.
Fig. 2 is referred to, another beauty instrument high-frequency electromagnetic wave generation circuit, the beauty instrument high-frequency electrical is present embodiments provided
Magnetic wave generation circuit also includes the second primary coil R21, second subprime coil R22, the 5th inductance L5, adjustable resistance RP,
One triode Q1 and the second triode Q2.
Second primary coil R21 is used to connect input power, and second subprime coil R22 is coupled simultaneously with the second primary coil R21
The emitter stage of ground connection, the emitter stage of the first triode Q1 and the second triode Q2 is electrically connected at second subprime coil R22
Two ends between, the base stage of the base stage of the first triode Q1 and the second triode Q2 is electrically connected with the 5th inductance L5 two
The colelctor electrode of end, the colelctor electrode of the first triode Q1 and the second triode Q2 is electrically connected with the two ends of the first inductance L1,
One end ground connection of adjustable resistance RP, the other end is electrically connected between the two ends of the 5th inductance L5.Wherein, adjustable resistance RP is most
Big resistance value is 4.7K Ω.
When the second primary coil R21 is powered, second subprime coil R22 output alternating currents, the first triode Q1 and second
Triode Q2 is turned on, and to the first inductance L1 input currents, the resistance sizes of regulation adjustable resistance RP change the first inductance of input
The size of current of L1, so as to realize adjusting the energy size of the electromagnetic wave that resonance circuit is produced.
Further, Fig. 2 is referred to, beauty instrument high-frequency electromagnetic wave generation circuit is additionally provided with the first electric capacity C1, the second electricity
Hold C2, the 3rd electric capacity C3 and the 4th electric capacity C4, the first electric capacity C1 is electrically connected at second subprime line after being connected with the second electric capacity C2
Enclose R22 two ends between, the 3rd electric capacity C3 and the 4th electric capacity C4 be electrically connected at the second subprime coil R22 two ends it
Between.First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and the 4th electric capacity C4 can be used for realization and filter radio-frequency component electric current.
In sum, the beauty instrument high-frequency electromagnetic wave generation circuit that the utility model is provided can produce the high frequency for beauty
Electromagnetic wave, and human body skin is imported via treatment head ZL, in the process, the through human body skin base of frequency electromagnetic waves of generation
Bottom, is applied to the hydrone in collagen, and bipolar hydrone high speed vibration rotation, frictional heat is reached to dermal collagen heating
Effect, dermal tissue experiences thermal stimulus, and elastomer chain generation is that property is swift in response and tightens up, and the lifting of skin consolidation is reinvented
Profile.Meanwhile, the capillary by optimal stimulation can send help signal to brain, and brain control peripheral cell produces a large amount of
Collagen is repaired and supplemented to it, and tropocollagen molecule is gradually combined into the collagen of aligned orderly, is dispelled so as to reach Firm
The effect of wrinkle.Secondly, blood circulation and the Lymphatic Circulation of therapentic part, the tachymetabolism of the tissue that reduces fat are enhanced.In addition,
Bio-heating effectiveness causes the adipose tissue solution of fat cell to be free fatty and glycerine, eventually passes through body metabolism and discharges body
Outward, the effect of fat melting weight reducing is reached.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then need not further be defined and be explained in subsequent accompanying drawing to it.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of beauty instrument high-frequency electromagnetic wave generation circuit, is applied to frequency electromagnetic waves beauty instrument, the frequency electromagnetic waves beauty
Instrument includes treatment head and negative plate, it is characterised in that the beauty instrument high-frequency electromagnetic wave generation circuit includes：Tunable capacitor,
One inductance, the second inductance, the 3rd inductance and the 4th inductance, first inductance respectively with second inductance and it is described 3rd electricity
Sense coupling, the 4th inductance is electrically connected between the two ends of first inductance, the treatment head, second inductance,
The tunable capacitor, the 3rd inductance and the negative plate are electrically connected with successively.
2. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 1, it is characterised in that also including the first primary line
Circle, the first secondary coil, the first diode and the second diode, first primary coil are used to connect input power, and described the
One primary coil is coupled with first secondary coil, the two ends of first secondary coil respectively with first diode
The anode of anode and second diode is electrically connected with, and one end of the 4th inductance is electrically connected at the one or two pole
Between the negative electrode of the negative electrode of pipe and second diode, the other end is electrically connected between the two ends of first inductance.
3. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 2, it is characterised in that the number of the 4th inductance
It is 2 to measure, two the 4th inductance series connection.
4. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 3, it is characterised in that each described 4th inductance
Inductance value be 10mH.
5. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 2, it is characterised in that also including current detecting end
Son, the current sense terminal is electrically connected at first secondary coil.
6. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 1, it is characterised in that also including the second primary line
Circle, second subprime coil, the 5th inductance, adjustable resistance, the first triode and the second triode, second primary coil are used for
Connect input power, second primary coil is coupled with the second subprime coil, the emitter stage of first triode and
The emitter stage of second triode is electrically connected between the two ends of the second subprime coil, first triode
The base stage of base stage and second triode is electrically connected with the two ends of the 5th inductance, the collection of first triode
The colelctor electrode of electrode and second triode is electrically connected with the two ends of first inductance, the one of the adjustable resistance
End ground connection, the other end is electrically connected between the two ends of the 5th inductance.
7. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 6, it is characterised in that also including the first electric capacity and
Be electrically connected at after second electric capacity, first electric capacity and second capacitances in series second subprime coil two ends it
Between.
8. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 6, it is characterised in that also including the 3rd electric capacity and
4th electric capacity, the 3rd electric capacity and the 4th electric capacity are electrically connected between the two ends of the second subprime coil.
9. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 6, it is characterised in that the adjustable resistance is most
Big resistance value is 4.7K Ω.
10. beauty instrument high-frequency electromagnetic wave generation circuit according to claim 6, it is characterised in that the second subprime line
Circle ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837219.1U CN206252731U (en) | 2016-08-04 | 2016-08-04 | Beauty instrument high-frequency electromagnetic wave generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837219.1U CN206252731U (en) | 2016-08-04 | 2016-08-04 | Beauty instrument high-frequency electromagnetic wave generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206252731U true CN206252731U (en) | 2017-06-16 |
Family
ID=59022100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620837219.1U Active CN206252731U (en) | 2016-08-04 | 2016-08-04 | Beauty instrument high-frequency electromagnetic wave generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206252731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043958A (en) * | 2020-09-25 | 2020-12-08 | 广州皓醒湾科技有限公司 | Control method and device of beauty instrument and radio frequency beauty instrument |
-
2016
- 2016-08-04 CN CN201620837219.1U patent/CN206252731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043958A (en) * | 2020-09-25 | 2020-12-08 | 广州皓醒湾科技有限公司 | Control method and device of beauty instrument and radio frequency beauty instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101015725A (en) | Wearable physiotherapeutic instrument | |
| Leung et al. | Minimizing power loss in air-cored coils for TET heart pump systems | |
| CN206252731U (en) | Beauty instrument high-frequency electromagnetic wave generation circuit | |
| CN206252732U (en) | Electromagnetic wave beauty instrument | |
| CN106712312A (en) | Novel wireless energy transmission power supply generator system | |
| CN207994738U (en) | High power intelligent pressure-adjustable charging system based on resonance type wireless electric energy transmission technology | |
| CN107648751A (en) | The information-based ultrasonic physiotherapy equipment of multifunctional intellectual | |
| Lu et al. | S‐PS resonant topology of WPT system for implantable spinal cord stimulator | |
| CN201020165Y (en) | Wearable physiotherapeutic instruments | |
| CN209122436U (en) | A kind of physiotherapy and rehabilitation equipment based on high frequency heat penetration technology | |
| Chen et al. | Power loss analysis of a TET system for high power implantable devices | |
| CN209933832U (en) | Efficient boosting device based on transcranial magnetic stimulation therapeutic apparatus | |
| CN103326591B (en) | High-frequency high-voltage generator used for heating dielectric materials | |
| CN107693942A (en) | A kind of medical low-frequency electric pulse therapeutical instrument | |
| CN208626430U (en) | A kind of medical low-frequency electric pulse therapeutical instrument | |
| CN209517544U (en) | Electromagnetic heating circuit and electromagnetic oven | |
| Yokoi et al. | Impedance-Tuned Ultrasound Vibration Wireless Power Transfer System for Biomedical Devices | |
| KR20220003311A (en) | Wearable quantum treatment device | |
| CN203289332U (en) | High-frequency high-voltage generator for heating dielectric material | |
| CN106685104B (en) | Resonance type wireless power transfer | |
| CN203208545U (en) | Temperature control circuit of TDP treatment plate | |
| CN108478277A (en) | A kind of physiotherapy and rehabilitation equipment based on high frequency heat penetration technology | |
| CN206183656U (en) | Electromagnetism acupuncture device | |
| CN204932609U (en) | A kind of magnetic resonance far-infrared health-care physiotherapeutic equipment | |
| Sinha et al. | Design of an Induction Heating Unit Used in Hyperthermia Treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230427 Address after: 210000, 12th Floor, Building D-2, Intercity Space, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Luoshen (Nanjing) Intelligent Technology Co.,Ltd. Address before: Room 1001, 10th Floor, Building A, Dingye Baitai Biological Building, No. 10 Xinghuo Road, High tech Zone, Nanjing, Jiangsu Province, 211800 Patentee before: NANJING AVICI MEDICAL EQUIPMENT CO.,LTD. |