CN2514550Y - Composite pulse generator for electric pulse beautifying apparatus - Google Patents
Composite pulse generator for electric pulse beautifying apparatus Download PDFInfo
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- CN2514550Y CN2514550Y CN 00242519 CN00242519U CN2514550Y CN 2514550 Y CN2514550 Y CN 2514550Y CN 00242519 CN00242519 CN 00242519 CN 00242519 U CN00242519 U CN 00242519U CN 2514550 Y CN2514550 Y CN 2514550Y
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Abstract
A composite pulse generator of electric pulse beautifiers comprises an electric pulse generator for generating electric pulse strings of finite frequency and finite amplitude, a waveform conversion device for converting the electric pulse strings into a series of composite pulse strings and then outputting the composite pulse strings to the head of the beautifier. The electric pulse beautifiers which employ the utility model of the composite pulse generator have the advantages of small size and light weight, and additionally the utility model can greatly improve the microcirculations of human skin tissues, thereby providing good beauty effects.
Description
The utility model relates to a kind of electric pulse beauty instrument, and or rather, the utility model relates to a kind of composite pulse generating means that is used for the electric pulse beauty instrument.
As everyone knows, human body will make bioelectricity not flow in order to keep the normal condition of its organism with stopping, so will carry out the contractile motion of cellular activity and muscle.In addition, people also know and utilize electric pulse that skin and muscle are stimulated, can excite and promote the activity of cell and the contractile motion of muscle, thereby promote metabolism, promotion microcirculation, recovery skin elasticity, the increase skin gloss of epithelium and connective tissue, and then have the beautification function that wrinkles, brightens.
Chinese patent application CN 1213523A discloses a kind of " with the corresponding pulse face beautifying device of body weight ", and this invention is according to by the parameter of the human body of being improved looks, and the quantity of stimulus that the calculating setting by computer should give carries out cosmetic treatments.But the employed equipment of this patent application is too huge, cost an arm and a leg, complicated operation, is not suitable for general beauty parlor and uses, and particularly is not suitable for family and the individual uses.
In addition, the cosmetic result that uses existing beauty appliance and produced is all not too satisfactory.Its main cause is that the frequency and the amplitude of the existing beauty appliance electric pulse that acts on human body is unreasonable, thereby can not impose sufficient stimulation to skin and muscle, is difficult to produce desirable cosmetic result.
The purpose of this utility model just provides a kind of composite pulse generating means that is used for the electric pulse beauty instrument, makes that the electric pulse beauty instrument volume that adopts composite pulse generating means of the present utility model is little and has good cosmetic result.
For this reason, the utility model provides a kind of composite pulse generating means that is used for the electric pulse beauty instrument, comprises an electric pulse generator, is used to produce the electric pulse string with certain frequency and certain amplitude; A Waveform converting device is used for converting described electric pulse string to a series of composite pulse strings, and described composite pulse string is outputed to the beauty treatment head of described electric pulse beauty instrument.
Electric pulse generator and the Waveform converting device that is used for the composite pulse generating means of electric pulse beauty instrument of the present utility model can be realized with computer, also can realize with integrated circuit or discrete device, therefore has little, the lightweight advantage of volume.In addition, the frequency of the pulse train that produces by suitable selection electric pulse generator and the switching levels of Waveform converting device, make and adopt the electric pulse beauty instrument of composite pulse generating means of the present utility model can improve the microcirculation of human skin tissue significantly, thereby can produce good cosmetic result.
In conjunction with the drawings to the description of preferred embodiment of the present utility model, advantage and the beneficial effect that is used for the composite pulse generating means of electric pulse beauty instrument of the present utility model will be more readily understood, wherein:
Fig. 1 is the principle block diagram that is used for the composite pulse generating means of electric pulse beauty instrument of the present utility model;
Fig. 2 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model first preferred embodiment;
Fig. 3 shows the process schematic diagram that the composite pulse generating means that is used for the electric pulse beauty instrument that utilizes the utility model first preferred embodiment forms a kind of composite wave-shape pulse;
Fig. 4 shows a kind of composite wave-shape pulse of the composite pulse generating means formation that is used for the electric pulse beauty instrument that utilizes the utility model first preferred embodiment;
Fig. 5 shows the another kind of composite wave-shape pulse of the composite pulse generating means formation that is used for the electric pulse beauty instrument that utilizes the utility model first preferred embodiment;
Fig. 6 shows the another kind of composite wave-shape pulse of the composite pulse generating means formation that is used for the electric pulse beauty instrument that utilizes the utility model first preferred embodiment;
Fig. 7 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model second preferred embodiment;
Fig. 8 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model the 3rd preferred embodiment.
Fig. 1 is the principle block diagram that is used for the composite pulse generating means of electric pulse beauty instrument of the present utility model.As shown in Figure 1, the composite pulse generating means that is used for the electric pulse beauty instrument of the present utility model comprises an electric pulse generator 10 and a Waveform converting device 30.Electric pulse generator 10 is used to produce the electric pulse string with certain amplitude, and the frequency values of this electric pulse string can change as required; Waveform converting device 30 is used for converting the electric pulse string that electric pulse generator 10 produces to a series of composite pulse strings, and this composite pulse string is sent to the beauty treatment head of electric pulse beauty instrument.
Fig. 2 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model first preferred embodiment.In Fig. 2, electric pulse generator 10 is made up of CPU (CPU) 15, first pulse generator 11, second pulse generator 12 and the 3rd pulse generator 13.Wherein CPU15 controls the operation of first pulse generator 11, second pulse generator 12 and the 3rd pulse generator 13, makes it starting of oscillation successively.First, second frequency with the 3rd pulse generator 11,12 and 13 pulse signals that produce is respectively first frequency F
1, second frequency F
2With the 3rd frequency F
3First frequency F
1, second frequency F
2With the 3rd frequency F
3Basically be the multiple relation.In the present embodiment, first frequency F
1=666KHz, second frequency F
2=1MHz, the 3rd frequency F
3=2MHz.
The switching levels of first to the 5th level translator 41-45 is respectively L1-L5, and the switching levels of the 6th level translator 46 is 0V.In the present embodiment, L1-L5 is respectively 2V, 3V, 4V, 3V and 2V.Wave-form synthesizer 47 receives the output of first to the 6th level translator, and the composite pulse string after will synthesizing is then exported to the beauty treatment head of electric pulse beauty instrument.
Below in conjunction with the simple operating process of describing the composite pulse generating means that is used for the electric pulse beauty instrument of first preferred embodiment of the present utility model of circuit diagram shown in Figure 2.Behind the power connection, CPU15 starts working after initialization, at first controls 11 starting of oscillations of first pulse generator by CPU15, and making it to produce frequency is F
1Square waves, this square waves at first is sent to first level translator 41 through second counter controller 32 and sequencing control transducer 33.At this moment, 41 conductings of sequencing control transducer 33 controls first level translator are closed and control other level controllers 42-46.Therefore, the square waves sent of first pulse generator 11 is sent to wave-form synthesizer 47 by first level translator 41 that is in conducting state.While CPU15 controls first counter controller 31 and second counter controller 32 is counted.Second counter controller 32 is that (in the present embodiment, m=15), it sends a command signal for sequencing control transducer 33 every m pulse for the counter of a m frequency division.Sequencing control transducer 33 just switches to second level translator 42 after the command signal of receiving second counter controller 32.First level translator 41 is closed as a result, and 42 conductings of second level translator.Thereby the square waves that first pulse generator 11 sends is sent to wave-form synthesizer 47 by second level translator 42 that is in conducting state.Cao Zuo result like this, make respectively the pulse train formed by m pulse be sent to wave-form synthesizer 47 by first level translator 41, second level translator 42, the 3rd level translator 43, the 4th level translator 44 and the 5th level translator 45 of conducting successively, and it is identical with the output signal frequency of first pulse generator to make first to the 5th level translator 41-45 export its frequency successively respectively, and amplitude is respectively the set of pulses of the level L1-L5 that limits through first to the 5th level translator 41-45.
At this moment, first pulse generator 11 has continued n=km pulse of output.Because first counter controller 31 is counters of a n frequency division, after n pulse of first pulse generator, 11 outputs, first counter controller 31 produces spill over, to low level signal of CPU15 output.Behind the low level signal of receiving from first counter controller 31, CPU15 controls first pulse generator 11 and quits work and first counter controller 31 is resetted.The high level signal that is t0 to the 6th level translator 46 outputs duration simultaneously, the signal that to make the 6th level translator 46 be the switching levels L6=0V of t0 with a duration outputs to wave-form synthesizer 47.In the present embodiment, t0=20 microsecond.After the first such cyclic process, be F by wave-form synthesizer 47 synthetic frequencies
1(that is symmetrical three grades of first group of step-like composite pulse strings of envelope 666KHz).
Then, CPU15 controls 12 work of second pulse generator, and making second pulse generator 12 produce frequency is F
2Pulse train.Situation when the operating process of Waveform converting device 30 is worked with first pulse generator 11 is identical.By second cyclic process identical, be F by wave-form synthesizer 47 synthetic frequencies with first cyclic process
2(that is symmetrical three grades of second group of step-like composite pulse strings of envelope 1MHz).
After this, CPU15 controls 13 work of the 3rd pulse generator, and making the 3rd pulse generator 13 produce frequency is F
3Pulse train.Situation when the operating process of Waveform converting device 30 is worked with first pulse generator 11 is identical.By three cyclic process identical, be F by wave-form synthesizer 47 synthetic frequencies with first cyclic process
3(that is symmetrical three grades of the 3rd group of step-like composite pulse strings of envelope 2MHz).
Like this, under the control of CPU15, through first to the 3rd cyclic process, frequency of wave-form synthesizer 47 outputs is respectively F
1, F
2And F
3, the midfeather time is symmetrical three groups three grades step-like composite pulse strings of the envelope of t0.
Afterwards, CPU15 controls first pulse generator 11 and starts working, and repeats above-mentioned first to the 3rd cyclic process, just can periodically produce above-mentioned three groups three grades step-like composite pulse strings.
Fig. 3 shows the process schematic diagram that forms a kind of composite wave-shape pulse according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model first preferred embodiment.As shown in Figure 3, wherein first pulse train A1 of A row represents that the frequency that first pulse generator 11 produces is F
1First pulse train of forming by m pulse (being the 1st to the 15th pulse in the present embodiment), through the conversion of first level translator 41, by first step of the first composite pulse string G1 of wave-form synthesizer 47 output shown in the G row.Equally, first pulse train B1 of B row represents that the frequency that first pulse generator 11 produces is F
1Second pulse train of forming by m pulse (being the 16th to the 30th pulse in the present embodiment), through the conversion of second level translator 42, by second step of the first composite pulse string G1 of wave-form synthesizer 47 output shown in the G row.The rest may be inferred, and first pulse train C1, D1, the E1 of C, D, E row represents that respectively the frequency that first pulse generator 11 produces is F
1Third and fourth, five pulse trains of forming by m pulse, through the conversion of the 3rd to the 5th level translator 43-45, by the first composite pulse string G1 of wave-form synthesizer 47 output shown in the G row third and fourth, five steps.As a result, wave-form synthesizer 47 has been exported the first composite pulse string G1 of G row as shown in Figure 3, and this composite pulse string G1 is that frequency is F
1, amplitude is respectively L1-L5, the symmetrical three grades of step-like composite pulse strings of envelope.
Equally, wave-form synthesizer 47 can be exported the second composite pulse string G2 and the 3rd composite pulse string G3 of G row as shown in Figure 3.The frequency of the second composite pulse string G2 is F
2, the frequency of the 3rd composite pulse string G3 is F
3, be spaced apart t0 between first, second and the 3rd composite pulse string G1-G3.
The aforesaid operations process repeats continuously, and wave-form synthesizer 47 will produce a series of electric pulse waveforms of the composite pulse generating means that is used for the electric pulse beauty instrument of first preferred embodiment of being made up of above-mentioned composite pulse string G1-G3 of the present utility model as shown in Figure 4.
Fig. 5 shows the another kind of composite wave-shape pulse that outputs to the beauty treatment head of electric pulse beauty instrument according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model first preferred embodiment.When producing composite wave-shape pulse shown in Figure 5, need control electric pulse generator 10 and Waveform converting device 30 by CPU15, make it to produce at first successively composite pulse string G1-G3 and be the high level signal of t0 to the 6th level translator 46 output durations.Then, frequency and amplitude according to required composite wave-shape pulse, in first to the 5th pulse generator 11-15, select a signal generator (being first pulse generator 13 in the present embodiment) to send pulse signal by CPU15, the level translator (being the 3rd level translator 43 in the present embodiment) that while control timing control transformation device 33 direct gatings have required switching levels.Like this, just can produce the 4th to the 6th composite wave-shape pulse G4-G6 as shown in Figure 5.Certainly, if regulate the switching levels of first to the 5th level translator 41-45 they are equated, for example be equal to 4V, then by sequencing control transducer 33 make first to the 5th level translator 41-45 successively the mode of conducting also can produce as shown in Figure 5 the 4th to the 6th composite wave-shape pulse G4-G6.Control continuously by this way, just can periodically produce first to the 3rd composite wave-shape pulse G1-G3 and the 4th to the 6th pulse train that composite wave-shape pulse G4-G6 forms by as shown in Figure 5.
Remain unchanged if control the frequency of the pulse signal that electric pulse generator 10 produced and the switching levels of Waveform converting device 30 from the beginning, just can produce pulse signal as shown in Figure 6.
Certainly, can change the shape and the amplitude of the composite wave-shape pulse of wave-form synthesizer 47 outputs by the switching levels L1-L5 that adjusts each level translator 41-45.
In other words, the number of the level translator that the frequency of number by the included pulse generator of appropriate change electric pulse generator 10 and the pulse signal that is produced thereof, Waveform converting device 30 are included and the divider ratio m and the n of the switching levels and first and second counter controllers 31,32 thereof, the composite pulse generating means that is used for the electric pulse beauty instrument of the present utility model just can produce any composite wave-shape pulse with required frequency, amplitude and waveform.
The composite pulse generating means that is used for the electric pulse beauty instrument to first preferred embodiment of the present utility model is described above.But foregoing description is illustrative and nonrestrictive.A plurality of parameters of the composite pulse generating means that is used for the electric pulse beauty instrument of Shi Shiing can change as required by this way.Can decide according to the number of the frequency of the required electric pulse of the composite pulse generating means that is used for the electric pulse beauty instrument such as, the number of the pulse generator that electric pulse generator is included, can be less than three or more than three.The frequency of the pulse that each pulse generator produced also can change as required.Comprise at electric pulse generator under the situation of three pulse generators that the frequency of the pulse signal that each pulse generator produced can also be respectively 1MHz, 2MHz and 4MHz, can also be respectively 2MHz, 4MHz and 8MHz or the like.The switching levels of each level translator also can be adjusted as required, for example adjusts in the 4V-8V scope.In addition, the time interval t0 between each composite pulse string also can correspondingly adjust.
Fig. 7 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model second preferred embodiment.As shown in Figure 7, electric pulse generator according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model second preferred embodiment is made up of a sine-wave oscillator 110, and Waveform converting device 30 then is made up of staircase generator 132 and modulator 134.The carrier signal of this circuit is the high_frequency sine wave signal that sinusoidal wave oscillator 110 sends, modulation signal is the staircase waveform that staircase generator 132 sends, and the signal that outputs to the beauty treatment head of electric pulse beauty instrument is subjected to the identical high-frequency signal of frequency of the carrier signal that staircase waveform modulation, its frequency and sine-wave oscillator 110 provide for its amplitude.Sine-wave oscillator 110 and staircase generator 132 can be formed with integrated circuit, also can be made up of discrete component.The frequency of the sine wave signal that sine-wave oscillator 110 is produced can be a single-frequency, also can present different frequencies in the different periods.In the present embodiment, the frequency of the sine wave signal that sine-wave oscillator 110 is produced is preferably the one or more combination among 666KHz, 1MHz, 2MHz, 4MHz and the 8MHz, and the amplitude of sine wave signal is preferably 4-8V.The amplitude that the amplitude of the step signal that staircase generator 132 is produced preferably is respectively its first and the 5th step is the 2-4 volt; The amplitude of the second and the 4th step is the 3-5 volt; The amplitude of the 3rd step is the 4-8 volt.The step width of the step signal that staircase generator 132 is produced is the integral multiple in the cycle (inverse of frequency) of the sine wave signal that produced of sine-wave oscillator 110.In the present embodiment, corresponding with first embodiment of the present utility model as shown in Figure 2, the step width of the step signal that staircase generator 132 is produced equals 15 times of cycle of the sine wave signal that sine-wave oscillator 110 produced.Certainly, as required, the step width of this step signal can change.
Fig. 8 is the circuit diagram according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model the 3rd preferred embodiment.As shown in Figure 8, basic identical according to the circuit of the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model the 3rd preferred embodiment with circuit according to the composite pulse generating means that is used for the electric pulse beauty instrument of the utility model second preferred embodiment.Different is that staircase generator 132 is replaced by square-wave generator 232, and modulator 134 is replaced by gate circuit 234.Wherein, the square-wave signal of square-wave generator 232 outputs is as the triggering signal of gate circuit 234, its amplitude is preferably 4-8V, its cycle is preferably the integral multiple of 12.5 μ s, the highest cycle can be 300 μ s, error can deduct 7 μ s ± 3 μ s and the width of square-wave pulse can be its cycle in ± 10% scope.Gate circuit 234 is a kind of NAND gate circuit of being made up of integrated circuit or discrete component.When the triggering signal from square-wave generator 232 was high level, gate circuit 234 conductings were passed through the high-frequency signal from sine-wave oscillator 110, became positive signal output through paraphase again.When the triggering signal from square-wave generator 232 was low level, gate circuit 234 was closed, and the high-frequency signal from sine-wave oscillator 110 can not be passed through.Like this, gate circuit 234 is output as interrupted high-frequency signal, and its frequency is identical with the frequency of the sine wave signal that sine-wave oscillator produces, and its interrupting time then is subjected to the control from the triggering signal of square-wave generator 232.
Though the utility model is described in detail above in conjunction with the preferred embodiment that is used for the composite pulse generating means of electric pulse beauty instrument of the present utility model, but also may make various changes and modifications for the person of ordinary skill of the art, with reference to preferred embodiment of the present utility model.Protection range of the present utility model is only limited by appending claims.
Claims (12)
1. a composite pulse generating means that is used for the electric pulse beauty instrument is characterized in that, described composite pulse generating means comprises an electric pulse generator (10), is used to produce the electric pulse string with certain frequency and certain amplitude; A Waveform converting device (30) is used for converting described electric pulse string to a series of composite pulse strings, and described composite pulse string is outputed to the beauty treatment head of described electric pulse beauty instrument.
2. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 1 is characterized in that described electric pulse generator (10) comprises a CPU (15) and a pulse generator (11-13).
3. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 1 is characterized in that the frequency of the pulse signal that described electric pulse generator (10) is produced is 666KHz.
4. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 1 is characterized in that the frequency of the pulse signal that described electric pulse generator (10) is produced is the integral multiple of 1MHz.
5. as any one described electric pulse beauty instrument among the claim 1-4, it is characterized in that level translator (41-46) that described Waveform converting device (30) comprises that at least one has a switching levels (L1-L6) respectively and part or all that is used for the described level translator of gating (41-46) also control the sequencing control transducer (33) of its conducting order, can change in time by the described level translator (41-46) and the number thereof of described sequencing control transducer (33) institute gating.
6. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 5 is characterized in that described Waveform converting device (30) also comprises a wave-form synthesizer (47) that is used for the output signal of synthetic described level translator (41-46).
7. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 5 is characterized in that described Waveform converting device (30) also comprises and is used for sending command signal with second counter controller (32) of the handover operation of controlling described sequencing control transducer (33) be used for sending command signal so that described CPU (15) controls first counter controller (31) of the switching between the described pulse generator (11-13) to described CPU (15) to described sequencing control transducer (33).
8. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 5, it is characterized in that described Waveform converting device (30) comprises six level translators (41-46), the described first and the 5th level translator (41,45) switching levels (L1, L5) equate, the described second and the 4th level translator (42,44) switching levels (L2, L4) equate, and the switching levels (L1-L3) of described first to the 3rd level translator (41-43) is and increases progressively relation, and the switching levels of the 6th level translator (L6) equals 0V.
9. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 8, it is characterized in that, the described first and the 5th level translator (41,45) switching levels (L1, L5) equal 2V, the described second and the 4th level translator (42,44) (L2, L4) switching levels (L3) that equals 3V, described the 3rd level translator (43) equals 4V to switching levels.
10. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 5, it is characterized in that described Waveform converting device (30) comprises two level translators (41-46), and the switching levels of one of them level translator (41-45) is greater than zero, and the switching levels of another level translator (46) equals 0V.
11. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 1, it is characterized in that described electric pulse generator (10) is made up of a sinusoidal wave oscillator (110), described Waveform converting device (30) is made up of staircase generator (132) and modulator (134).
12. the composite pulse generating means that is used for the electric pulse beauty instrument as claimed in claim 1, it is characterized in that described electric pulse generator (10) is made up of a sinusoidal wave oscillator (110), described Waveform converting device (30) is made up of square-wave generator (232) and gate circuit (234).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242519 CN2514550Y (en) | 1999-09-28 | 2000-07-26 | Composite pulse generator for electric pulse beautifying apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99119473.X | 1999-09-28 | ||
| CN 99119473 CN1247766A (en) | 1999-09-28 | 1999-09-28 | Computerized beautifying instrument |
| CN 00242519 CN2514550Y (en) | 1999-09-28 | 2000-07-26 | Composite pulse generator for electric pulse beautifying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2514550Y true CN2514550Y (en) | 2002-10-02 |
Family
ID=34064306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00242519 Expired - Fee Related CN2514550Y (en) | 1999-09-28 | 2000-07-26 | Composite pulse generator for electric pulse beautifying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2514550Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN115177852A (en) * | 2022-06-21 | 2022-10-14 | 菲尔生物工程技术有限公司 | Stem cell exosome is with leading-in appearance of novel noninvasive intelligence |
-
2000
- 2000-07-26 CN CN 00242519 patent/CN2514550Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN115177852A (en) * | 2022-06-21 | 2022-10-14 | 菲尔生物工程技术有限公司 | Stem cell exosome is with leading-in appearance of novel noninvasive intelligence |
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