CN1108959A - Phototherapeutic instrument - Google Patents
Phototherapeutic instrument Download PDFInfo
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- CN1108959A CN1108959A CN 94103025 CN94103025A CN1108959A CN 1108959 A CN1108959 A CN 1108959A CN 94103025 CN94103025 CN 94103025 CN 94103025 A CN94103025 A CN 94103025A CN 1108959 A CN1108959 A CN 1108959A
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- light
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- aspheric surface
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Abstract
The phototherapeutic apparatus for cervicitis is composed of power supply box controlled by main engine and phototherapecctic head. It features that the light from buomine-tungsten lamp as illuminart is fully reflected out by big-aperture non-sphencal gathering lens, concentric reflecting bowl and internally reflecting guid tabe, and a full-closed internally circulating cooling system is also included. Its advantages are over the existing ones in utilization rate of light energy, output power, service life, size and weight.
Description
The present invention relates to medical therapeutic Instrument.
The present invention is a kind of medical therapeutic Instrument, is to design on the basis of the biological effect of infiltration that causes behind the biological tissue of human body and heat effect according to the absorption characteristic and the light quantum energy of human body skin to the radiant light of different-waveband.Light has caused people's very big interest and attention as the naturopathy means, as: ultraviolet light, visible light, infrared light, therapeutic equipmentss such as laser generally use in medical profession, up to the present, the light that Medical Instruments is used all belongs to monochromatic category, and it acts on the biological tissue of human body effect and all is subjected to certain limitation.
In recent years, have and utilize iodine-tungsten lamp (also claiming halogen tungsten lamp) to make the therapeutic equipments of light source, but all have following shortcoming:
1. the efficiency of light energy utilization is low, and Output optical power is little;
2. the Acceptable life of condenser system is short, the maintenance cost height, and lamp is changed inconvenience;
3. desirable not to the utmost to the Cooling Design of light source and optical focusing system;
4. complex structure, the cost height.
The objective of the invention is to overcome the shortcoming that existing therapeutic equipments exists, it is wide to design a kind of light radiation wavelength band, and luminous power is higher and adjustable continuously, can treat the light exposure treatment instrument of a kind of polychromatic light of multiple disease.
To the absorption of various light with see through the light radiation characteristic of characteristic and light source, irradiation causes spectral region under the perfect condition of biological effect to biological tissue of human body to have studied light in conjunction with human body skin in the present invention.Light action size of caused biological effect behind biological tissue of human body has or not, and depends primarily on biological tissue and has absorbed how much luminous energy, when light and biological tissue interact, at first to pass through skin, in spectrum analysis, skin there is a specific optical window, promptly to 0.4～1.3 μ light
Optical system adopts JGS
3The quartz crystal optical material, seeing through wave band is 0.26～3.5 μ, although JGS
3See through a spot of ultraviolet, but the peak wavelength during its highest colour temperature 3200K of bromine tungsten filament lamp decision is 0.9 μ, still based on visible light and infrared light composition, the radiant energy of ultraviolet light only has about 0.2% spectral band.The present invention selects work to reduce filament temperature (the highest colour temperature T=2500K) in the process of curing the disease, peak wavelength moves about 200nm to the infrared wavelength direction, essentially no ultraviolet light composition in the radiation energy, effective spectral radiance scope of the present invention is 0.38 μ～3.5 μ, and the spectral wavelength of this scope all has the optical radiation power density that satisfies the treatment needs.
In a word, the present invention is in the mechanism of having studied spectral radiance treatment disease, and the rayed characteristic of light source is on the basis of optical material characteristic and light, mechanical, electrical, control technology, overcome the deficiency that existing photo-therapeutic instrument exists, design a kind of brand-new, more practical, more economical Phototherapeutic instrument.
The present invention partly is made up of host computer control power supply and light exposure treatment head two: the host computer control power supply is by water tank, compositions such as minisize electromagnetic pump, transformator, control circuit board; The treatment head is made up of light source, cavity, transmission-type aspheric surface collecting lens and total internal reflection entity light guide etc.The present invention will be described below in conjunction with accompanying drawing: Fig. 1 is the structural representation of Phototherapeutic instrument, and Fig. 1 (a) is the power supply box structure, and Fig. 1 (b) is the treatment header structure.Fig. 2 is the light path sketch map of optical radiation therapeutic instrument, and Fig. 2 (a) is that one side is aspheric surface, and one side is the collecting lens of sphere, and Fig. 2 (b) is that two faces all are the collecting lenses of aspheric surface.Fig. 3 is a Phototherapeutic instrument cavity sidepiece cooling water water outlet circulation waterway sketch map.
Main frame electric control power supply architecture is seen accompanying drawing 1(a), water tank (18), minisize electromagnetic pump (17), transformator (19), control circuit board (20), (21), the water pipe (15) that water tank (18) is drawn inserts in the storage box (16) of treatment head, and the power line of drawing from transformator inserts on the magnetic holder (12) for the treatment of in the head.The structure of treatment head is seen accompanying drawing 1(b); bromine tungsten filament lamp (4) is contained on the magnetic holder (12); the rear of homocentric pencil of rays reflector (2) is storage box (16); the place ahead is transmission-type non-spherical lens (5); around the lens (5) is annular cooling bath (23); trim ring tube (8) presses solidly lens (5); garden shape sealing drum (6) is enclosed within on cavity (3) the front end outer surface; taper protective cover (7) links to each other with garden shape sealing drum (6); seal cover (1) is connected sealing with cavity (3); the light of the two ends of entity light guide (9) and insulation bushing (11) arrangement wave band has certain penetration capacity; the light of other spectral bands; can only partial reflection or absorbed by epidermis; in other words, can only see through the rayed of human body skin, could cause biological effect the biological tissue of human body of certain depth; and the rayed of its all band can only cause biological effect to human epidermal.Light action size of caused biological agent behind biological tissue of human body has or not, outside the Pass having with biological properties, also with the relating to parameters of light, most importantly two parameters of wavelength and dosage, spectrographic different-waveband is corresponding one by one with the light quantum different-energy, spectrographic wavelength difference, can cause different biological effects to different biomolecule, light quantum dosage characterizes a weak physical quantity of exposure light intensity, in physical medicine, said light dosage is meant that vertical irradiation is to being subjected to according to the light quantity subnumber on place's unit are, i.e. energy density.Optical radiation power density is strong, be mainly used to destroy pathological tissues, reach therapeutic purposes, as treat disease such as cervicitis, and adopt the mode of photocoagulation that diseased region is shone, make its histone thermocoagulation necrosis, through after a while, downright bad organizing voluntarily comes off, and epithelial tissue on every side is wound repairing thereupon, reaches healing fully.A little less than the optical radiation power density, to biological tissue's not damaged, the heat effect of light can improve histiocytic function, accelerates the catalytic action of enzyme, impels local vascular dilation, accelerate blood flow, and make the local organization metabolism vigorous, strengthen cytophagy etc., if the irradiation human acupoint, then can replace traditional hot to process stimulation, can receive the effect of curing the disease accordingly.
It is very important that various heat radiation light sources are selected, and existing photo-therapeutic instrument device is generally used iodine-tungsten lamp, and all surpasses iodine-tungsten lamp in the luminous efficiency of the bromine tungsten filament lamp that the present invention selects for use and service life.The bromine tungsten filament lamp volume is little, and the luminous intensity height sends continuous spectrum, and scope is very wide, and the radiant energy of visible light accounts for 25%, and near-infrared, the radiant energy of mid-infrared light accounts for about 75%.From the spectral power distribution characteristic of lamp, when the supply voltage rising, electric current increases, and filament temperature raises, and its spectral radiance peak wavelength moves to the shortwave direction, otherwise, then move to long wavelength's direction.According to Wien's displacement law: λ
Max=2898/T, 2898 is constant in the formula, T is a filament temperature, λ
(max)Be peak wavelength, can be calculated by formula that bromine tungsten filament lamp radiating peak wavelength in 1000～2500K reference color temperature that the present invention needs is about 1.1～1.3 μ, as required, the present invention changes filament temperature, promptly aligns voltage and changes colour temperature.Tightly, the outside also is with stainless steel protection pipe (10), and lead (24) that dual transformer (19) draws and the water pipe (15) of drawing from water tank (18) are arranged in the hollow bakelite handle (13).
Optical system of the present invention is seen Fig. 2, and large aperture aspherics collecting lens (5) is arranged in the place ahead of bromine tungsten filament lamp, is equipped with an entity light guide (9) in the place ahead of lens (5), and a homocentric pencil of rays reverberation bowl (2) is housed at the rear of bromine tungsten filament lamp.Fig. 2 (a) is that one side is the collecting lens of sphere for aspheric surface, one side; Fig. 2 (b) is that two faces all are the collecting lenses of aspheric surface, and Fig. 2 (b) has bigger superiority than Fig. 2 (a), and convergent pencil of rays is greater than 100 °, and promptly optically focused is better, efficiency of light energy utilization height, and light path is shorter, can dwindle the volume of treatment head widely.Aspheric parameter is as follows: aspheric surface vertex curvature radius R can 4 millimeters to 15 millimeters (R4-15), can adopt quadratic surface or high order curved surface, the quadratic surface eccentric ratio e
2Be 0.5-2.25, the high order curved surface is better than quadratic surface optically focused performance, and spherical radius R is 20 millimeters to 60 millimeters (R20-60), and the amplification of aspheric surface collecting lens is 0.8-2.5 times, can realize the variation of amplification by mobile lens; Bromine tungsten filament lamp adopt 50 watts to 500 watts light source all can, light source is interchangeable, decides according to the needs of treatment case; The length of entity light guide is 40 millimeters to 155 millimeters, and diameter is 2 millimeters to 10 millimeters, and the entity light guide is interchangeable, selects the light guide of different size, decides according to the treatment diseased region, also can be designed to have tapering and crooked light guide.
The present invention adopts totally-enclosed internal recycle cooling, see accompanying drawing 3, cooling water inserts the storage box (16) of treatment from water pipe (8), go into collecting lens (5) annular cooling bath (23) on every side along garden, upper end orifice flow in the box, cooling bath (23) below links to each other with cavity Z type water channel (24), the lower end of Z type water channel (24) links to each other with water nozzle (25), has a root rubber pipe that faucet (25) is linked to each other with water tank (18).Twitch cooling water in the water tank (18) by the minisize electromagnetic pump in the power supply cabinet (17) during work, water promptly flows to the water nozzle (14) of treatment head cavity body posterior end along pipe (15), enter the storage box (16) of treatment back of head, in water level reaches box during the extreme higher position, flow in the collecting lens tube annular cooling bath (23) on every side along upper end hole in the box, because the differential pressure action between water inlet and the water outlet, the full annular cooling bath (23) of cooling water flow is after the hole, garden of below, cooling bath (23) right side enters cavity Z type water channel (24), enter cavity posterior end and water inlet tap (14) faucet (25) arranged side by side from Z type water channel (24) again, flow out after another root rubber pipe flows into water tank (18) again by faucet (25), so move in circles, promptly played cooling effect, after the water cycle work, light bromine tungsten filament lamp (4), the light beam that filament penetrates is previously injected wide-aperture aspheric surface collecting lens (5), light beam converges to the input end face of entity light guide (9) through aspheric surface collecting lens (5), in other words, for lens (5), the input end face of filament and light guide (9) forms conjugated real image, light beam total internal reflection in entity light guide (9), by the output end face divergent beams of entity light guide (9), the angle of divergence is adjustable.The radiating light beam in filament back is returned along original optical path again by after reflector (2) reflects with one heart, makes light beam enter lens (5) in a manner described, also from the output end face output of entity light guide (9), increases the efficiency of light energy utilization so at last.
The present invention compares with existing technology, has the following advantages:
1. the selection of light source has more reasonability, thereby the luminous efficiency height, and the life-span is long;
2. optical system is the simplest, only utilize an aspheric surface collecting lens, lens replace the polylith lens, and the reflection loss of luminous energy lens face significantly reduces like this, and light absorption also significantly reduces, processing capacity also significantly reduces, make efficiency of light energy utilization height, cost reduces, and the optical system quality improves greatly, entity light guide size is interchangeable, has increased clinical application range;
3. the protecting tube material of light-guide device is easy to doctor's sterilization and handles not corrosion, light-guide device and protecting tube two ends adopt the polytetrafluoroethylene cover to isolate, the heat transmission that makes light-guide device can not scalded the epidermal tissue that touches around the focus less than protecting tube during treatment, safe in utilization;
4. the optical therapeutic head surface does not have trip bolt, water cooling tube etc., and replacing bulb is convenient, and the optical therapeutic head is easy to use like this, and volume is little, and is in light weight;
5. the film-cooled heat of cooling system is big, and cooling evenly, and is water-tight, good cooling results;
6. the bidimensional adjustment can be carried out in the filament center, guarantees the alignment of optical system, and the light-guide device input end face becomes filament image planes conjugation with the aspheric surface collecting lens, promptly overlaps and axially adjusts, and guarantees maximum luminous energy output;
7. Overall Power Consumption is less than 300W, and weight is less than 12Kg;
8. clinical manipulation is simple and convenient, and adnexa is general interchangeable, is convenient to maintenance, and the cost of complete machine reduces greatly, and serviceability all is better than existing various photo-therapeutic instrument devices.
Phototherapeutic instrument of the present invention through clinical life-time service, all has fabulous curative effect to the cervix uteri patient of all kinds of lesion degrees, nearly 1000 many cases clinical treatment statistics show through how tame medical institutions, once irradiating (patients with mild 2-3 minute, moderate patient 5-6 minute, severe patient 8-10 minute) treatment, total effective rate is 100%, total cure rate is 96.7%, and treatment back 6-8 to patient's check, cured the back cervix uteri and do not have cicatrix after week, smooth surface, and the Shen malleability is good.In addition, Phototherapeutic instrument has also carried out a small amount of clinical practice to vulval eczema, vulva pruritus, leukoplakia vulvae, vaginitis, external hemorrhoid, proctoptosis, chilblain, scapulohumeral periarthritis, muscle and joint acute sprain, intervertebral disk hernia, epidermal wound disease such as fester, and tangible curative effect is also arranged.
Use medical worker's reflection of the present invention, have the following advantages:
1. light, the optical therapeutic volume is little, is easy to carry about with one, and is simple to operate, and the medical worker only need learn can grasp in one day, can carry out clinical treatment, is fit to the treatment after medical institutions generally investigate gynaecopathia;
2. treatment gynaecopathia method is simple, and the optical therapeutic head does not directly contact wound surface, and intrauterine device is not had influence, can avoid cross infection again, do not have in the therapeutic process and burn smog, free from extraneous odour, free from environmental pollution, patient's no pain, have no side effect short treating period, curative effect height after the treatment;
3. with the physical method of traditional treatment gynecological cervicitis, as electricity press, freezing, laser compares with chemical method, has more superiority; Compare with existing photo-therapeutic instrument device, be better than now existing photo-therapeutic instrument device on the performance, and cost reduces greatly.
Description of drawings:
1. storage box seal cover, 2. reflector,
3. cavity, 4. bromine tungsten filament lamp,
5. aspheric surface collecting lens, 6. sealing drum,
7. the taper protective cover 8. encloses tube,
9. entity light guide, 10. rustless steel pillar,
11. insulation bushing, 12. magnetic holders,
13. handle, 14. water nozzles,
15. water pipe, 16. storage boxes,
17. electromagnetic pump, 18. water tanks,
19. transformator, the 20.21. control circuit board,
22. corrugated tube, 23. annular cooling baths,
24. lead, 25. pick out water nozzle.
Claims (3)
1, a kind of Phototherapeutic instrument of being made up of light source, condenser system, light-guide device, cavity etc. is characterized in that being made up of control power supply box and light exposure treatment head two parts, wherein:
A., water tank (18) is arranged in the power supply box, water receiving pipe (15), and insert in the storage box (16) of treatment head; The lead that transformator (19) in the power supply box is drawn inserts on the magnetic holder (12) of treatment head; Also have minisize electromagnetic pump (17), control circuit board (20), (21) in the power supply box.
B. the bromine tungsten filament lamp (4) in the treatment head is contained on the magnetic holder (12), and the rear of bromine tungsten filament lamp (4) is homocentric pencil of rays reflector (2), is storage box (16) at its rear; The place ahead of bromine tungsten filament lamp (4) is a transmission-type high order aspheric surface lens light gathering system (5), is entity light guide (9) at its front end; Condenser system (5) is contained in the lens barrel (8), is annular cooling bath (23) on every side, and Z type water channel (24) is arranged in the cavity, picks out water nozzle (25), inserts water tank (18) through water pipe again; Circular seal tube (6) is enclosed within on the front end surface of cavity (3), and taper protective cover (7) links to each other with circular seal tube (6), seal cover (1) and cavity sealing-in; Protect insulation bushing (11) at the two ends of entity light guide (9), outside it, put the stainless steel protection pipe (10) of length and entity light guide (9) equal length.
2, therapeutic instrument as claimed in claim 1 is characterized in that described condenser system (5), is that an one side is an aspheric surface, and one side is the aspheric surface collecting lens of sphere;
3, therapeutic instrument as claimed in claim 1 is characterized in that described condenser system (5) also can be one two collecting lens that face all is an aspheric surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94103025 CN1108959A (en) | 1994-03-22 | 1994-03-22 | Phototherapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94103025 CN1108959A (en) | 1994-03-22 | 1994-03-22 | Phototherapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1108959A true CN1108959A (en) | 1995-09-27 |
Family
ID=5030901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94103025 Pending CN1108959A (en) | 1994-03-22 | 1994-03-22 | Phototherapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1108959A (en) |
-
1994
- 1994-03-22 CN CN 94103025 patent/CN1108959A/en active Pending
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