CN201701200U - High-power purple green red LED light diagnosis therapeutic apparatus - Google Patents
High-power purple green red LED light diagnosis therapeutic apparatus Download PDFInfo
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- CN201701200U CN201701200U CN2010202366715U CN201020236671U CN201701200U CN 201701200 U CN201701200 U CN 201701200U CN 2010202366715 U CN2010202366715 U CN 2010202366715U CN 201020236671 U CN201020236671 U CN 201020236671U CN 201701200 U CN201701200 U CN 201701200U
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Abstract
The utility model discloses a high-power purple green red LED light diagnosis therapeutic apparatus, which comprises an optical emission head, a power supply, a control system and a machine body and is characterized in that the optical emission head is internally provided with a bowl-shaped light condensation cover; the middle part inside the light condensation cover is provided with a substrate; the substrate is provided with a plurality of low-power LED combination chip devices at the same wave band; the LED chip devices are positioned by an optical protective plate; the front part of the light condensation cover is provided with an optical big lens, while the rear part thereof is provided with a cooling device; the front lateral surface of the light condensation cover is provided with a plurality of vent holes; and light emitted by the LED chip devices is converged on a working surface used as a diagnosis and treatment working region. The utility model has the advantage that a plurality of beams of purple green red LED light at special wave bands are converged into high-power output LED light by combining optical systems and the wave bands can be matched with an absorption spectrum of a photosensitizer such as ALA, hematoporphyrin and the like to take photodynamics effect so as to effectively diagonose and treat the most common face diseases, such as acne, malignant edema pain and the like.
Description
Technical field
This utility model 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 application more and more widely as a kind of effective treatment means on clinical and engineering.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 are summarized and are got up to have four types: photic decomposition, photooxidation, photo polymerization and photic sensitization.The biological effect that light produced of different-waveband also has difference, and thus, people have researched and developed some Therapeutic Method and therapeutic equipmentss at the different-waveband of various disease.Generalized saying, infrared light mainly are the heat effects 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 calmness, can diagnose, locate malignant tumor; Ultraviolet light mainly utilizes its high-energy radiation sterilization, treats various germ dermatosiss, can also excite porphyrins to produce fluorescence in order to the diagnosis cancerous tumor cell.
At present, take all factors into consideration 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 emittingdiode, LED) be on 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 with constant power, with low cost, life-span length helps applying.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 multiple disease at home and abroad, but owing to Output optical power little in therapeutic domain the low therapeutic effect that influenced 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 influences therapeutic effect of optical power density, provide a kind of LED HONGGUANG and more than the green glow Output optical power 2W, effective luminous 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.
The technical solution of the utility model 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 be symmetrically distributed a plurality of low power led chip device of wave band of the same race of star formula; described led chip device is an integral body that is combined into by semiconductor light emitting chip and optical collimation lens; the led chip device is whole locatees with an optics baffle; the big 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 big 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 effectively luminous power is greater than 0.8W, and the effective luminous power energy density that converges in the φ 60mm zone at operating distance 200mm place purple light reaches 30mW/cm
2More than; Green light LED chip device, its optical band are 510nm-540nm, and effectively luminous power is greater than 2W; Red LED chip device, its optical band are 610nm-640nm, and effectively luminous power is greater than 2W; At operating distance 200mm place LED green glow, HONGGUANG converged in that its luminous power energy density reaches 80mW/cm in the φ 60mm zone
2More than.
The light emission angle of described led chip device is less than 120 °.
The beneficial effects of the utility model are: because this utility model 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 the effective luminous power of purple light 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 photosensitizer such as ALA, blood leaf quinoline, produce photodynamic action, and then effective diagnosis and the modal denomination disease-acne of treatment and pernicious disease such as swell and ache.
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 this utility model diagnosis and treatment is: lesion tissue to sensitiser absorption after metabolic speed difference, within a certain period of time, photosensitizer only in the lesion tissue cell accumulation higher concentration 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 less pathological tissues in view of the above, and provides accurate location for treatment.
Description of drawings
Fig. 1 is an optical emitting header structure sketch map;
Fig. 2 is a monochromatic LED light emission header structure sketch map;
Fig. 3 is a light path principle figure;
Fig. 4 is a 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 be symmetrically distributed 12 low power led chip devices 1 of wave band of the same race of star formula; described led chip device 1 is an integral body that is combined into by semiconductor light emitting 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 big 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 light emitting chip 8 sends is through separately optical collimation lens 5 with again on the big lens 4 of optics are focused at work surface 10 as the diagnosis and treatment working area.This utility model 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, effective luminous 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 optics compound lens in each bowl-type snoot, and this optical system can be at operating distance 200mm place converges in LED green glow, HONGGUANG that its luminous power energy density reaches 80mW/cm in the φ 60mm zone
2More than, and effective luminous power energy density that purple light converges in the φ 60mm zone reaches 30mW/cm
2More than, 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.
This utility model 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.
This utility model control system 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/the start-up system operate as normal.
2. the luminous power preset value is controlled the output current of LED driving power after the D/A conversion.By regulating the size of output current control LED luminous power.
Light radiation gauge tap circuit be a two-way signal with 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 and afterwards control the switch of LED light radiation.
4.LED the optical drive power supply adopts constant voltage/current isolator, totally 3 groups drive corresponding LED combined chip (purple, green, red) respectively, 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 has LED optical power correction system, can pass through panel button, 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
2More than, clinical diagnosis and the treatment acne of being used for obtains promising result in certain front three hospital laser face amount chamber.Output purple LED optical band is 405nm ± 10nm, effectively luminous 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, also can take a picture and write down fluorescence by narrow band pass filter so that effective diagnosis goes out less pathological tissues.
Claims (4)
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 be symmetrically distributed a plurality of low power LED combined chip device of wave band of the same race of star formula; described led chip device is an integral body that is combined into by semiconductor light emitting chip and optical collimation lens; the led chip device is whole locatees with an optics baffle; the big 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 big lens of optics are focused at work surface as the diagnosis and treatment working area.
2. high-power purple-green-red LED light diagnosis and treatment instrument according to claim 1, it is characterized in that, 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.
3. 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, effectively luminous power is greater than 0.8W, and the effective luminous power energy density that converges in the φ 60mm zone at operating distance 200mm place purple light reaches 30mW/cm
2More than; Green light LED chip device, its optical band are 510nm-540nm, and effectively luminous power is greater than 2W; Red LED chip device, its optical band are 610nm-640nm, and effectively luminous power is greater than 2W; At operating distance 200mm place LED green glow, HONGGUANG converged in that its luminous power energy density reaches 80mW/cm in the φ 60mm zone
2More than.
4. 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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CN2010202366715U CN201701200U (en) | 2010-06-24 | 2010-06-24 | High-power purple green red LED light diagnosis therapeutic apparatus |
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CN2010202366715U CN201701200U (en) | 2010-06-24 | 2010-06-24 | High-power purple green red LED light diagnosis therapeutic apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101862507A (en) * | 2010-06-24 | 2010-10-20 | 上海市激光技术研究所 | High-power purple-green-red LED light diagnosis and treatment instrument |
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2010
- 2010-06-24 CN CN2010202366715U patent/CN201701200U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101862507A (en) * | 2010-06-24 | 2010-10-20 | 上海市激光技术研究所 | High-power purple-green-red LED light diagnosis and treatment instrument |
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