CN1024448C - Multifunctional phototherapy instrument - Google Patents
Multifunctional phototherapy instrument Download PDFInfo
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- CN1024448C CN1024448C CN 92104862 CN92104862A CN1024448C CN 1024448 C CN1024448 C CN 1024448C CN 92104862 CN92104862 CN 92104862 CN 92104862 A CN92104862 A CN 92104862A CN 1024448 C CN1024448 C CN 1024448C
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Abstract
The present invention relates to a multifunctional phototherapy instrument which is characterized in that a halogen light source is placed at a concave spherical curvature center at the inner side of the top part of a casing, and a first aspheric plano-convex thick lens (4), a second spherical biconvex lens (5), a third aspheric plano-convex thick lens (6) and a solid photoconductor (7) are in order arranged at the back of the halogen light source. The lenses (4), (6) in the same shape are symmetric to the component (5), and the convex surfaces of the lenses (4), (6) face the component (5). The exit end of the component (7) is made into the shape of an inclined surface, a conical surface, etc. according to different need, an angle can also be cut down at the end of the component (7), which is near the component (6), a circular hole is arranged on a corresponding position of the casing, and an endoscope is arranged in a position vertical to an axial line of the component (7). Focuses can be visually and accurately observed or recorded.
Description
The present invention relates to a kind of wide-band spectrum therapeutic instrument, particularly a kind of light radiation that utilizes simulated solar spectrum 0.35-5 mum wavelength produces the optical radiation therapeutic instrument of curative effect in the diseased region of the multiple disease of people's body surface or housing surface, mainly include the light source head, optically focused parts and optical transmission component.
For disease in some cavitys, for example cervix uteri is rotten expects aphtha, gangrenosum acne mucus periadenitis, infectious oral ulcer, otitis media, rhinitis, Wen Senshi mouth gingivitis, gingiva periodontitis, cervical polyp, leukoplakia vulvae, trichomonal vaginitis, colpitis mycotica etc. can be treated in the method for diseased region with light radiation.Various laser therapeutic apparatus are arranged at present, and for example the carbon dioxide laser instrument can be treated above-mentioned disease.
But the therapeutic instrument of type of laser, the facula area of irradiation is little, will take method for scanning to cover lesion region for the position of pathological changes, so unavoidable some places irradiation less than, treatment is difficult for thoroughly, and it is very high that laser irradiation simultaneously heats up diseased region, and patient has burning sensation and stink.
The disclosed a kind of near infrared-ray treating device that is mainly used in the treatment cancer in oral cavity of the patent application of Chinese invention patent 85105520A, this near infrared-ray treating device is made optical emitter with halogen tungsten lamp, this near infrared-ray treating device is effective in cure to above-mentioned disease, and overcome the shortcoming of conventional laser therapeutic instrument to a certain extent, it is reflective that but the light that the related near infrared-ray treating device of this patent application adopts is assembled conduction device, conversion efficiency is low in the conductive process, thermal losses is big, wave spectrum narrow (0.4-3 μ) is unfavorable for effective treatment of pathological tissues, this device is equipped with the metal reflective mirror as its optically focused parts at halogen tungsten lamp light source rear, the taper hollow light pipe is equipped with as light conduction and emission element in light source the place ahead, the light that light source sends is through the laggard light inlet duct entry of metal reflective mirroring, through the metal coating on the hollow light guide inside pipe wall light is carried out multiple reflection again, last light penetrates through the light guide front end, shines patient's lesions position and treats.Light is owing to need in hollow light pipe through multiple reflection, in the conductive process, optical energy loss is big, therefore, need the more powerful light source of configuration, cause device volume big, the cooling system complexity, power consumption is many, and the loss of light energy simultaneously causes the heating of device outer wall, is easy to scald the tissue that contacts with light guide in the treatment operation.And, at the illuminator afterbody focusing system is housed, time-consuming, should not grasp.
The disclosure of the Invention of Chinese patent application numbers 91100301.0 a kind of optical curing device, this therapeutic apparatus construction features is.Illuminator between reflection shield and two director sphere lens sends scattered light, the luminous reflectance that reflector is rearward dispersed lamp is to the place ahead, the two director sphere lens that are positioned at lamp the place ahead are concentrated into more approximate directional light with scattering and the light that reflexes to the place ahead, and project the receiving terminal of the fiber optic cable before two director sphere lens, the transmitting terminal that again light is transmitted to fiber optic cable radiate, shine lesions position, treat, this instrument is two director sphere lens owing to what adopt, and in the light conductive process, loss is big, for reaching the therapeutic purposes of anticipation, just must improve the light intensity of illuminator, light intensity will improve the ultraviolet spectral line of transillumination after improving greatly, and makes whole spectral line to the ultraviolet field offset, cause and kill and wound or canceration Normocellular, in addition, the aperture mirror angle of two director sphere lens is little, can not eliminate spherical aberration, the spectral line of illuminator will narrow down in conductive process in distortion, reduced conversion efficiency, whole spectral line ability is offset to ultraviolet, unfavorable to normal cell.
The object of the invention is to overcome many shortcomings of above-mentioned near infrared-ray treating device, and a kind of conversion efficiency height is provided, and luminous energy is strong, spectral width (0.35-5 μ m), power saving, the light transmission-type multifunctional light therapy apparatus that helps the effective treatment of pathological tissues that volume is little.
Multifunctional phototherapy instrument involved in the present invention is mainly by the light source head, and optically focused parts and optical transmission component are formed.The light source head comprises housing (1), cooling water channel (2) and halogen tungsten lamp (3), the optically focused parts comprise: the first, the 3rd aspheric surface plano-convex thick lens (4), (6) and be positioned at (4), (6) intermediary second sphere biconvex lens (5), optical transmission component comprises: can send light to light source and conduct entity optical conductor (7) with total transmissivity.
The optically focused parts of this photo-therapeutic instrument are because the structure that adopts is to add a sphere biconvex lens between two aspheric surface plano-convex thick lenses, thereby increased the aperture mirror angle, eliminated spherical aberration, broadening spectral line, improved conversion efficiency, reduced the ultraviolet section, thermal losses is little in its light conductive process, therefore do not need to be provided with the too high light source of power, also do not cause the head of entity optical conductor overheated, keep away and exerted oneself in the therapeutic process, scorching hot scald patient and operator's phenomenon takes place.
Describe the present invention in detail below in conjunction with accompanying drawing:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the sketch map of a kind of form of part (7);
Accompanying drawing 3 has part (7) sketch map of heat shield;
Wherein (1) is housing, and (2) are cooling water channel, and (3) are Halogen lamp LED, (4) be the first aspheric surface plano-convex thick lens, (5) are the second sphere biconvex lens, and (6) are the 3rd aspheric surface plano-convex thick lens, (7) be the entity optical conductor, (8) are protective metal shell, and (9) are the non-girdle prism that waits, (10) be object lens, (11) be prism, (12) are amplifier unit, and (13) are scarf, (14) be heat shield, (15) are speculum. Known that by figure the present invention is mainly by the light source head, the first aspheric surface plano-convex thick lens (4), the second sphere biconvex lens (5), the 3rd aspheric surface plano-convex thick lens (6), entity optical conductor (7) and protective metal shell (8) form.
The light source head is located at the forefront of device, by housing (1), cooling water channel (2) and Halogen lamp LED (3) form, housing (1) is the cylinder cartridge type, inboard head is the spill sphere, Halogen lamp LED (3) is placed on the center of curvature of the anterior spill sphere of housing (1) inner chamber, part (4), (5), (6) be successively placed on Halogen lamp LED (3) back, and pack into successively together and be arranged in the protective metal shell (8) of housing (1) inner chamber, it is latter half of that entity optical conductor (7) is placed on protective metal shell (8) inner chamber, cavity (8) make two sections dismantled and assembled, be positioned at the 3rd aspheric surface plano-convex thick lens (6) afterwards, housing (1) is equipped with cooling water channel (2) on every side
The first, the 3rd aspheric surface plano-convex thick lens (4) and (6) shape are just the same, symmetry is placed on the both sides of the second sphere biconvex lens (5), the plane of the first aspheric surface plano-convex thick lens (4) is near described Halogen lamp LED (3), its convex surface vertex curvature radius R2± (11-16) between the mm; A convex surface of the second sphere biconvex lens (5) is near the convex surface of the described first aspheric surface plano-convex thick lens (4), and another convex surface is near the convex surface of the 3rd aspheric surface plano-convex thick lens (6), and the radius surface of second biconvex lens (5) is at ± (50-60) mm; The plane of the 3rd aspheric surface plano-convex thick lens (6) is near described entity optical conductor (7), and the convex surface vertex curvature radius of the 3rd aspheric surface plano-convex thick lens (6) is also between (11-16) mm.
The light that Halogen lamp LED (3) produces is similar to the optical wavelength that sunshine sends, namely from ultraviolet until infrared continuous spectrum, the second aspheric surface biconvex lens (5), angular aperture is greater than the angular aperture of mirror (4) and (6), convex lens (4) is near light source, and angular aperture is about 120 degree, radius surface R1As far as possible big. With receive better, the directly light that sent by Halogen lamp LED (3) of transmission and the light of housing (1) reflection.
The convex surface of the first aspheric surface plano-convex thick lens when high order aspheric surface is adopted on its surface, has been eliminated spherical aberration except as realizing improving the component part of angular aperture purpose.Convex surface makes one times of imaging of filament simultaneously.Convex surface vertex curvature radius R
2Determined the curved surface characteristic of aspheric surface convex surface jointly with the aspheric surface characteristic, the curved surface characteristic is relevant with the quality of eliminating spherical aberration.
Because the style characteristic and the refractive index of different wavelengths of light in lens of above-mentioned convex surface are different, light has various scatterings during from the convex surface outgoing.The second sphere biconvex lens (5) is near the convex surface of the first aspheric surface plano-convex thick lens (4), accurately the scattered light of convex surface is assembled in set, reassociate and be transmitted on the 3rd aspheric surface plano-convex thick lens (6), the coma and the distortion of imaging have been eliminated, thereby improved conversion ratio, guaranteed the breadth of spectrum line that light source sent.
The 3rd aspheric surface plano-convex thick lens (6) and first aspheric surface plano-convex thick lens (4) symmetrical placement, action principle and mirror (4) are same, and what also make entity optical conductor (7) conduction simultaneously is the real image of filament.
The filament real image coupling that one end of entity optical conductor (7) and above-mentioned mirror (6) generate conducts uniform beam at the other end, shines diseased region.Entity optical conductor (7) diameter is beneficial to the cavity lesion that reaches the people less than the diameter of (6).The outside of entity optical conductor is an air, so produce total internal reflection at the conductor inwall when most of light conducts therein, optical energy loss is very little.
Above Jian Shu device of the present invention and principle, device has significantly reduced the transmission loss of light source as can be seen, and makes the intensity distributions of light beam even, has reduced the volume of cooling system, has saved electric energy.
The present invention is also owing to can do following design to increase the function of this photo-therapeutic instrument to solid light conductor (7)
1, the function of direct observation and record focus:
As shown in the figure at entity optical conductor (7) near next angle of cutting sth. askew, an end end of the 3rd aspheric surface plano-convex thick lens (6), and on the housing relevant position, open a circular hole, place cylindrical sight glass perpendicular to entity optical conductor (7) axis in the circular hole, this sight glass is by being placed on circular sight glass housing bottom, non-isosceles prism (9) with entity optical conductor (7) optical cement, be placed on the object lens (10) on the prism (9) and be placed on prism (11) on the object lens (10), make the light A that shines on the focus through solid light conductor (7) and by its tangent plane vertical reflection to non-isosceles prism (9), by object lens (10), prism (11) carries out optical imaging makes focus the image observed or record in the treatment operation that shines through amplifier unit (12) again.
2, the transmitting terminal of entity light guide (7) also can make the oblique section (13) of 45 degree, as shown in Figure 2, makes transmission can reach the side of light guide (7), increases the range of exposures of the transmission of a certain direction.
The transmitting terminal of entity light guide (7) also can be equipped with various filter lenss, and the spectrum that makes emission is to the most effective spectrum of certain specified disease.
Collet (14) can be adorned in the end of entity light guide (7) and protective metal shell (8), and as shown in Figure 3, collet (14) can be made by nontoxic polytetrafluoroethylplastic plastic material, to avoid in the treatment operation because of running into scaring and the sense of discomfort that the patient causes accidentally.
Concave mirror (15) can be housed, as shown in Figure 1 in the light source head of apparatus of the present invention.The filament of Halogen light (3) is positioned at the center of curvature of concave mirror (15), can reduce the loss of light with luminous reflectance to increase transmitted light intensity with concentric reflecting mirror (15), and the work that alleviates cooling system.Mirror surface can be plated the metal film that 0.35-5 μ m optical band is had good reflection, and present embodiment adopts aluminium coat, and adds plating silicon monoxide protecting film thereon, and concave mirror generally can be made sphere, also can make other curved surface that reduces aberration.
In order to make device of the present invention can shine people's narrow housing surface, as nasal cavity, the diseased region in the auditory meatus, entity light guide (7) also can be made into truncated cone shape or other shape that head dwindles.
Embodiments of the invention are:
The housing 1 of light source head is made by aluminium, and cooling water channel 2 can be forced cooling water is flow through with not shown device.Halogen tungsten lamp is arranged in the housing, power 250W-500W, the voltage of lamp 3 and electric current can be regulated by not shown device.The first aspheric surface plano-convex thick lens (4) is fixed on the special housing, and its planar section makes angular aperture reach 120 degree near light source.Radius surface R
1Be 16mm, convex surface radius surface R
2Be 15mm.A convex surface of the second biconvex spherical lens (5) is 10mm apart from the convex surface of the first aspheric surface plano-convex thick lens, and two convex surface radius surfaces are 60mm.The 3rd aspheric surface plano-convex thick lens 6 and mirror 4 relative mirror 5 symmetrical placement, and parameter is identical with mirror 4.Entity light guide 7 falls within wherein the filament real image near the planar ends of the 3rd aspheric surface plano-convex thick lens.
The JGS that entity light guide (7) adopts Jinzhou quartz Glass Plant to produce
3The infrared quartz Glass rod, excellent diameter 10mm, the long 160mm of rod, there is protective metal shell (8) outside of light guide (7), between pipe and sheath air-gap is arranged, and each lens surface of optically focused parts is coated with tantalum silicon anti-reflection film, to increase light transmission rate, reduce the surface reflection loss of energy.
For making entity light guide (7) can shine the narrow housing surface of human body, can be made into taper shape, be of a size of: length 60mm, between the tip diameter 2-5mm.
Claims (5)
1, a kind of multifunctional phototherapy instrument, mainly comprise the light source head that contains housing and Halogen light, optically focused and optical transmission component, the light source head is located at the forefront of device, by housing (1), Halogen light (3) is formed, housing (1) is a cylinder barrel shaped, inboard head is the spill sphere, solid light conductor (7) is placed on the rear of device, housing (1) is equipped with cooling water channel (2) on every side, it is characterized in that Halogen light (3) is placed on the center of curvature of the anterior spill sphere of housing (1) inner chamber, the optically focused parts comprise first, the former lens of the 3rd aspheric surface plano-convex (4), (6), the second sphere biconvex lens (5), part (4), (5), (6) order be placed on the protective metal shell (8) that is arranged in housing (1) inner chamber Halogen light (3) afterwards, first, the former lens of the second aspheric surface plano-convex (4) and (6) shape are just the same, symmetry is placed on second sphere biconvex lens (5) both sides, the equal facing piece of convex surface (5), its convex surface vertex curvature radius R
2± (11-16) between the mm.
2, by the described multifunctional phototherapy instrument of claim 1, it is characterized in that next angle of to cut sth. askew in the end of the close lens (6) of solid light conductor (7), and open a circular hole perpendicular to the housing axis on relevant position, the face of cylinder at housing (1), vertical solid light conductor (7) axis is placed a cylindrical sight glass in the circular hole, this sight glass is by being placed on circular sight glass housing bottom, with the non-isosceles prism (9) of solid light conductor (7) optical cement, be placed on the object lens (10) on the prism (9) and be placed on prism (11) on the object lens (10) and amplifier unit (12) is formed.
3, by the described multifunctional phototherapy instrument of claim 1, it is characterized in that the exit end of entity optical conductor (7) can be equipped with heat shield (14) outward, make heat shield as nontoxic polytetrafluoroethylplastic plastic material.
4, by the described multifunctional phototherapy instrument of claim 1, it is characterized in that described entity optical conductor (7) exit facet can be equipped with the optical filter of a certain wavelength period of elimination.
5, by the described multifunctional phototherapy instrument of claim 1, it is characterized in that in the described light source head concave mirror (15) being housed, the filament of halogen light source is positioned at the center of curvature of concave mirror, the minute surface of concave mirror can be a sphere, also can be other curved surfaces, mirror surface can be plated layer of metal film aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104862 CN1024448C (en) | 1992-06-22 | 1992-06-22 | Multifunctional phototherapy instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104862 CN1024448C (en) | 1992-06-22 | 1992-06-22 | Multifunctional phototherapy instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1067591A CN1067591A (en) | 1993-01-06 |
| CN1024448C true CN1024448C (en) | 1994-05-11 |
Family
ID=4941036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92104862 Expired - Fee Related CN1024448C (en) | 1992-06-22 | 1992-06-22 | Multifunctional phototherapy instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1024448C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037581C (en) * | 1993-12-17 | 1998-03-04 | 中国科学院安徽光学精密机械研究所 | Spectral radiant therapeutic instrument |
| CN1070081C (en) * | 1998-04-15 | 2001-08-29 | 韩来增 | Use of carbon arc in therapy and carbon arc irradiation therapy health apparatus |
| US7309145B2 (en) * | 2004-01-13 | 2007-12-18 | Seiko Epson Corporation | Light source apparatus and projection display apparatus |
| CN102284140A (en) * | 2011-07-08 | 2011-12-21 | 武汉中科科理光电技术有限公司 | High-energy density optical therapeutic apparatus |
| CN103505816A (en) * | 2012-06-25 | 2014-01-15 | 重庆信涵光电科技有限公司 | Information-content broad-width optical band filter |
| CN104689482A (en) * | 2015-02-03 | 2015-06-10 | 中国科学院苏州生物医学工程技术研究所 | Irregular reflecting cup for phototherapy instrument |
| CN115153930B (en) * | 2022-07-20 | 2023-12-26 | 桂林市啄木鸟医疗器械有限公司 | Laser therapeutic instrument with motor |
-
1992
- 1992-06-22 CN CN 92104862 patent/CN1024448C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1067591A (en) | 1993-01-06 |
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