CN101862507B - High-power purple-green-red LED light diagnosis and treatment instrument - Google Patents
High-power purple-green-red LED light diagnosis and treatment instrument Download PDFInfo
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- CN101862507B CN101862507B CN2010102088945A CN201010208894A CN101862507B CN 101862507 B CN101862507 B CN 101862507B CN 2010102088945 A CN2010102088945 A CN 2010102088945A CN 201010208894 A CN201010208894 A CN 201010208894A CN 101862507 B CN101862507 B CN 101862507B
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Abstract
The invention discloses a high-power purple-green-red LED light diagnosis and treatment instrument which comprises an optical emitting head, a power supply, a control system and an instrument body. The high-power purple-green-red LED light diagnosis and treatment instrument is characterized in that a bowl-shaped snoot is installed in the optical emitting head; the middle in the snoot is provided with a base plate; a plurality of low-power LED combined chip devices with same wave bands are installed on the base plate; the LED chip devices are positioned by an optical protecting plate; the front of the snoot is provided with an optical large lens, the rear is provided with a cooling device, and the front side surface is provided with a plurality of through holes; and the light emitted by the LED chip devices is converged on the working surface of a diagnosis and treatment working area by the optical large lens. Because multiple beams of purple-green-red LED light in a specific wave band are converged into LED light with high-power output by a combined optical system, the wave bands can be matched with an absorption spectrum of a photosensitizer, such as ALA, ludisia quinoline, and the like and generate a photodynamic function, thereby effectively diagnosing and treating the most common face and forehead disease, namely acne and diseases, such as malignant sore pain, and the like.
Description
Technical field
The present invention relates to a kind of therapeutic instrument, particularly a kind of high-power purple-green-red LED light diagnosis and treatment instrument.
Background technology
Phototherapy is just obtaining using more and more widely on clinical and engineering as a kind of effective treatment means.Absorb luminous energy and luminous energy is transformed into heat energy and chemical energy causes producing in the body a series of chain chemical reactions thereby the theoretical basis of phototherapy is biological tissue.These chemical reactions have summed up Four types: photic decomposition, photooxidation, photo polymerization and photic sensitization.The biological effect that the light of different-waveband produces also has difference, and thus, people have researched and developed some Therapeutic Method and therapeutic equipmentss for the different-waveband of various disease.That summarizes says, infrared light mainly is the heat effect of utilizing it, and body causes fervescence after absorbing infrared light, part or whole body vasodilation, and blood flow rate is accelerated to enhance metabolism and hyperplasia, and antiinflammatory and analgesic activity are arranged; Green glow is used for calm, can diagnose, Tumor; Ultraviolet light mainly utilizes its high-energy radiation sterilization, treats various germ dermatosiss, can also excite porphyrins to produce fluorescence in order to diagnose cancerous tumor cell.
At present, consider the sensitiser absorption characteristic and organize the saturating characteristic of light, the light source that optical dynamic therapy and fluorescence diagnosis use mostly is LASER Light Source.Fast development along with semiconductor technology, large-power light-emitting diodes (light emitting diode, LED) be on the parameters performances such as luminous intensity, peak wavelength, half-wave bandwidth, all to improve a lot, in recent years the LED technology is applied to the LASER Light Source field gradually, and the LED luminescent spectrum narrows down gradually, even can reach peak width about 10nm, simultaneously the intensity rank .LED light source that can reach tens milliwatts is compared the LASER Light Source of Same Efficieney, with low cost, life-span length is conducive to apply.Therefore led light source can substitute the light source that laser becomes the novel therapeutic instrument gradually.At present led light source has begun to be applied to treat various diseases at home and abroad, but owing to Output optical power little in therapeutic domain the low therapeutic effect that affected of optical power density.
Summary of the invention
For overcome existing LED laser therapeutic apparatus owing to Output optical power little in therapeutic domain the low shortcoming that affects therapeutic effect of optical power density, provide a kind of LED HONGGUANG and more than the green glow Output optical power 2W, the efficient light power of the purple light output of diagnosis usefulness reaches 0.8W, and will diagnose and treat the high-power purple-green-red LED light diagnosis and treatment instrument that combines.
Technical scheme of the present invention is; a kind of high-power purple-green-red LED light diagnosis and treatment instrument; comprise the optical emitting head; power supply; control system and body; be characterized in; three flange-cooled bowl-type snoots are housed in the described optical emitting head; substrate is equipped with at middle part in each bowl-type snoot; on the substrate with the star formula symmetrical a plurality of low power led chip device of wave band of the same race; described led chip device is an integral body that is combined into by semiconductor luminous chip and optical collimation lens; the led chip device is whole locates with an optics baffle; the large lens of optics are installed in the front portion of described bowl formula snoot; a chiller is installed at rear portion at snoot; leading flank at snoot is provided with some passages, the light that described each led chip device sends through behind the optical collimation lens separately again on the large lens of optics are focused at work surface as the diagnosis and treatment working area.
The a plurality of low power led chip device of wave band of the same race is selected purple light, green glow or red LED chip device in described each bowl-type snoot, according to the needs of combination phototherapy, select the combination of a kind of, two kinds or three kinds in purple light, green glow or the red LED chip device.
Described purple LED chip device, its optical band are 395nm-415nm, and efficient light power is greater than 0.8W, and the efficient light power energy density that converges in the φ 60mm zone at operating distance 200mm place purple light reaches 30mW/cm
2Above; Green light LED chip device, its optical band are 510nm-540nm, and efficient light power is greater than 2W; Red LED chip device, its optical band are 610nm-640nm, and efficient light power is greater than 2W; At operating distance 200mm place, converge in the LED green glow in the φ 60mm zone, the luminous power energy density of HONGGUANG reaches respectively 80mW/cm
2Above.
The light emission angle of described led chip device is less than 120 °.
The invention has the beneficial effects as follows: because the present invention is by the LED light of combinative optical system with the multi beam specific band, pool the LED light of high-power output, the red luminous power of all kinds of its medium green is all greater than 2W, and purple light efficient light power is greater than 0.8W.This light source is narrow spectrum light source, and its specific band is purple light: 395nm-415nm, green glow: 510nm-540nm, HONGGUANG: 610nm-640nm.These wave bands can be complementary with the absorption spectrum of the photosensitizer such as ALA, blood leaf quinoline, produce photodynamic action, and then effectively diagnose and treat the diseases such as modal denomination disease-acne and Malignant tumor.
The characteristics of this therapeutic instrument
1, adopt LED as the diagnosis and treatment light source, light source is constant, the life-span is long, low price, favourable applying.
2, effect significantly, instant effect, have no side effect.
3, selectivity is good, safe, simple to operate.
4, noncontact diagnosis and treatment, the patient easily accepts.
The Ji Li of diagnosis and treatment of the present invention is: lesion tissue to sensitiser absorption after the speed of metabolism different, within a certain period of time, photosensitizer only in the lesion tissue cell the higher concentration of accumulation become target tissue.When through specific band green glow: 510nm-540nm, HONGGUANG: after the 610nm-640nm LED rayed, produce the photodynamics reflection and generate singlet oxygen, its toxicity causes focus target tissue necrocytosis apoptosis, and normal structure is unaffected.When through specific band purple light 395nm-415nmLED rayed, those target tissues that gather the higher concentration photosensitizer can be stimulated and penetrate the fluorescence of 610nm-650nm reddish orange, and normal structure can not sent fluorescence, can diagnose out accordingly less pathological tissues, and provides accurate location for treatment.
Description of drawings
Fig. 1 is optical emitting header structure schematic diagram;
Fig. 2 is monochromatic LED light emission header structure schematic diagram;
Fig. 3 is light path principle figure;
Fig. 4 is control system circuit block diagram.
The specific embodiment
By Fig. 1; shown in Figure 2; a kind of high-power purple-green-red LED light diagnosis and treatment instrument; comprise the optical emitting head; power supply; control system and body; be characterized in; three flange-cooled bowl-type snoots 3 are housed in the described optical emitting head; substrate 2 is equipped with at middle part in each bowl-type snoot 3; on the substrate 2 with the star formula symmetrical 12 low power led chip devices 1 of wave band of the same race; described led chip device 1 is an integral body that is combined into by semiconductor luminous chip 8 and optical collimation lens 5; the light emission angle of described led chip device is less than 120 °; the led chip device is whole with an optics baffle 6 location; the large lens 4 of optics are installed in the front portion of described bowl formula snoot 3; a chiller 9 is installed at rear portion at bowl formula snoot 3; leading flank at bowl formula snoot 3 is provided with some passages 7; by shown in Figure 3, the light that each semiconductor luminous chip 8 sends is through separately optical collimation lens 5 with again on the large lens 4 of optics are focused at work surface 10 as the diagnosis and treatment working area.The present invention has reached a watt level greatly by the luminous power of combined optical path output LED light, green glow, HONGGUANG are all separately more than the Output optical power 2W, the efficient light power of purple light output is greater than 0.8W, the optical emitting head mainly is to be made of a plurality of low-power LED chip devices and optical combination lens in each bowl-type snoot, this optical system can converge in the LED green glow in the φ 60mm zone at operating distance 200mm place, the luminous power energy density of HONGGUANG reaches respectively 80mW/cm
2Above, and the efficient light power energy density that purple light converges in the φ 60mm zone reaches 30mW/cm
2Above, reach the use threshold value requirement of corresponding treatment and diagnosis.Chiller 9 adopts air blast cooling or semiconductor refrigerating mode according to the watt level of led light source.
The present invention is that three bowl-type snoots are assembled in instrumental optics emitting head of formation on the plate face, the a plurality of low power led chip device 1 of wave band of the same race is selected purple light, green glow or red LED chip device in described each bowl-type snoot 3, according to the needs of combination phototherapy, select the combination of a kind of, two kinds or three kinds in purple light, green glow or the red LED chip device.
Control system of the present invention is shown in Fig. 4 circuit block diagram, and it comprises that mainly control system resets and start-up circuit, luminous power prewired circuit, light radiation gauge tap circuit, LED optical drive power supply, calibration system.
1. control system resets and start-up circuit: this is a two-way control system, adopts watchdog circuit, carries out one-time detection every 20ms/ time, and the software and hardware duplicate protection guarantees that control system and system reset/start-up system works.
2. the luminous power preset value is controlled the output current of LED driving power after the D/A conversion.Size by regulation output Current Control LED luminous power.
Light radiation gauge tap circuit be a two-way signal phase and the gauge tap circuit: outside start signal one tunnel is sent control system; (system whether is in SBR and urgency stops protection switch and whether interlock switch work is normal) provides start signal after control system is judged; another road through, urgency is stopped protection switch and interlock switch provides, two-way start signal phase and the rear switch of controlling the LED light radiation.
4.LED optical drive power acquisition constant voltage/current isolator, totally 3 groups drive respectively corresponding LED combined chip (purple, green, red), and output current send control circuit after sample resistance sampling A/D conversion.
5. calibration system: the corresponding relation of LED photoelectric current and LED luminous power has been stipulated when device is produced by the form of tabling look-up.Have deviation after considering use, this device can pass through panel button with LED optical power correction system, revises electric current/luminous power synopsis.
Application example
With this therapeutic instrument output green light LED optical band be the 510nm-540nm luminous power greater than 2W, the red-light LED optical band is that the 610nm-640nm luminous power is greater than 2W.In the working area of φ 60mm, the luminous power energy density reaches 80mW/cm
2Above, clinical in acne in certain front three hospital laser face amount chamber, obtain promising result.Output purple LED optical band is 405nm ± 10nm, efficient light power is 0.8W, in the working area of φ 60mm, carry out focal zone and shine fast, can with the naked eye observe directly reddish orange fluorescence in order to effectively diagnose out less pathological tissues, also can take a picture to record fluorescence by narrow band pass filter.
Claims (3)
1. high-power purple-green-red LED light diagnosis and treatment instrument; comprise the optical emitting head; power supply; control system and body; it is characterized in that; three flange-cooled bowl-type snoots are housed in the described optical emitting head; substrate is equipped with at middle part in each bowl-type snoot; on the substrate with the star formula symmetrical a plurality of low power LED combined chip device of wave band of the same race; described led chip device is an integral body that is combined into by semiconductor luminous chip and optical collimation lens; the led chip device is whole locates with an optics baffle; the large lens of optics are installed in the front portion of described bowl-type snoot; a chiller is installed at rear portion at snoot; leading flank at snoot is provided with some passages; the light that described each led chip device sends through behind the optical collimation lens separately again on the large lens of optics are focused at work surface as the diagnosis and treatment working area; the a plurality of low power led chip device of wave band of the same race is selected purple light in described each bowl-type snoot; green glow or red LED chip device; according to the needs of combination phototherapy, select purple light; a kind of in green glow or the red LED chip device; the combination of two kinds or three kinds.
2. high-power purple-green-red LED light diagnosis and treatment instrument according to claim 1, it is characterized in that, described purple LED chip device, its optical band is 395nm-415nm, efficient light power is greater than 0.8W, and the efficient light power energy density that converges in the φ 60mm zone at operating distance 200mm place purple light reaches 30mW/cm
2Above; Green light LED chip device, its optical band are 510nm-540nm, and efficient light power is greater than 2W; Red LED chip device, its optical band are 610nm-640nm, and efficient light power is greater than 2W; At operating distance 200mm place, converge in the LED green glow in the φ 60mm zone, the luminous power energy density of HONGGUANG reaches respectively 80mW/cm
2Above.
3. high-power purple-green-red LED light diagnosis and treatment instrument according to claim 1 is characterized in that, the light emission angle of described led chip device is less than 120 °.
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| CN2010102088945A CN101862507B (en) | 2010-06-24 | 2010-06-24 | High-power purple-green-red LED light diagnosis and treatment instrument |
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| CN101862507B true CN101862507B (en) | 2013-04-24 |
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| EP2961478A4 (en) * | 2013-03-01 | 2017-01-11 | Klox Technologies Inc. | Phototherapeutic device, method and use |
| CN104474638B (en) * | 2014-12-17 | 2017-11-14 | 深圳半岛医疗有限公司 | A kind of ultraviolet light therapeutic apparatus |
| US10967197B2 (en) | 2018-08-29 | 2021-04-06 | Azulite, Inc. | Phototherapy devices and methods for treating truncal acne and scars |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010027180A (en) * | 1999-09-10 | 2001-04-06 | 이기수 | Remote control equipment for remote control mouse |
| CN2577108Y (en) * | 2002-08-08 | 2003-10-01 | 杨舜 | High-aperture high-efficiency light-focusing system |
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| CN201701200U (en) * | 2010-06-24 | 2011-01-12 | 上海市激光技术研究所 | High-power purple green red LED light diagnosis therapeutic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010027180A (en) * | 1999-09-10 | 2001-04-06 | 이기수 | Remote control equipment for remote control mouse |
| CN2577108Y (en) * | 2002-08-08 | 2003-10-01 | 杨舜 | High-aperture high-efficiency light-focusing system |
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Address after: 200233 No. 770, Xuhui District, Shanghai, Yishan Road Patentee after: Shanghai Laser Technology Research Institute Co.,Ltd. Address before: 200233 No. 770, Xuhui District, Shanghai, Yishan Road Patentee before: Shanghai Institute of Laser Technology |
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