CN1861215B - Method for positioning irradiation distance of phototherapeutic apparatus, and said apparatus therewith - Google Patents
Method for positioning irradiation distance of phototherapeutic apparatus, and said apparatus therewith Download PDFInfo
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- CN1861215B CN1861215B CN2005100256979A CN200510025697A CN1861215B CN 1861215 B CN1861215 B CN 1861215B CN 2005100256979 A CN2005100256979 A CN 2005100256979A CN 200510025697 A CN200510025697 A CN 200510025697A CN 1861215 B CN1861215 B CN 1861215B
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Abstract
A method for determining the radiation distance of a phototherapeutic apparatus features that two visual laser devices are obliquely installed at both sides of light source and the distance between said two laser devices can be calculated according to the distance between skin and phototherapeutic apparatus and the included angle between said two laser devices by tangent function.
Description
Technical field
The present invention relates to be used for the treating skin disease field, a kind of department of dermatologry particularly, the present invention relates to a kind of method of laser spacing and Phototherapeutic instrument that utilizes this method of adopting with the localized method and apparatus of irradiation distance in the Phototherapeutic instrument in Phototherapeutic instrument.
Technical background
Phototherapy is commonplace in the application of department of dermatologry.The patient need carry out the treatment of 6 to 8 weeks even longer time usually continuously, during phototherapy, distance between radiation source and the skin surface is far and near to be directly connected to the irradiance that skin surface skin lesion place receives and (to shine the luminous power on the unit are, unit: mW/cm2) just, the phototherapy curative effect is all relevant with exposure dose (product of irradiance and time) with side effect.
Therefore, in order to ensure curative effect with reduce the generation of untoward reaction, should guarantee that the skin lesion position accepts dose irradiation accurately, and then when requiring each irradiation, the necessary relative fixed of the distance of light source and skin lesion.
In fact, every kind of type phototherapy unit is all advised best irradiation distance, but the method for confirming irradiation distance seldom is provided, and this makes troubles for clinical practice.At present, existing people is installed in ribbon on the phototherapy unit, earlier ribbon is pulled out and is adjusted the distance between phototherapy unit and the illuminated position and realize spacing before irradiation; Yet this method is that a hard thing is touched on the skin inevitably, particularly when there are pus or other body fluid in the skin lesion place, can pollute or infect.
At present, the Phototherapeutic instrument that has adopted clinically generally is divided into three kinds, the flexible light guide Phototherapeutic instrument that comprises treatment small size or dispersion skin lesion, be used for the treatment of large tracts of land and concentrate the horizontal Phototherapeutic instrument or the vertical Phototherapeutic instrument of skin lesion, but the Phototherapeutic instrument of the sort of type no matter all exists can't make things convenient for and the defective of spacing exactly.
Summary of the invention
Given this, the object of the present invention is to provide a kind of Phototherapeutic instrument positioning irradiation distance, utilize this method, can make things convenient for and definite simply irradiation distance, only need visually just can determine whether to reach predetermined distance, and needn't contact damage skin.
For achieving the above object, the invention provides a kind of Phototherapeutic instrument positioning irradiation distance, may further comprise the steps:
1) in a Phototherapeutic instrument, two visible light semiconductor lasers is installed obliquely in the both sides of light source;
2) according to the distance between described Phototherapeutic instrument and the illuminated skin surface, and the angle between two laser instrument, utilize tangent trigonometric function relation to calculate two laser instrument distance therebetween, and described visible light semiconductor laser is fixed in the described Phototherapeutic instrument;
During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
Preferably, described visible light semiconductor laser is made of laser diode.
Preferably, described two semiconductor lasers send HONGGUANG simultaneously, perhaps send green glow simultaneously, perhaps send one red one green light.
Preferably, the angle between described two semiconductor lasers is in 45 °~90 ° scopes.
Preferably, the angle between described two semiconductor lasers is 60 °.
Use method of the present invention, only utilize and estimate the irradiation distance whether distance that just can observe easily between light source and the illuminated skin surface reaches regulation, and in adjusting apart from process, Phototherapeutic instrument does not directly contact with damaged skin, thereby has avoided the danger of polluting or infecting.
In addition, also provide the multiple Phototherapeutic instrument that utilizes said method according to the present invention, these Phototherapeutic instrument spacings are convenient, can observe intuitively with range estimation, and are simple in structure, and can transform simply existing Phototherapeutic instrument, are fit to promotion and application.
Therefore, on the one hand, according to a kind of Phototherapeutic instrument of the present invention, a kind of flexible light guide Phototherapeutic instrument is provided, described flexible light guide Phototherapeutic instrument comprises a housing, in described housing, be provided with a light source that constitutes by flexible light-transmitting fibre, be set with two visible light semiconductor lasers obliquely so that have the angle that to select between the two described visible light semiconductor lasers in the both sides of described light source; Distance between the two described semiconductor lasers is calculated by tangent trigonometric function relation according to the size of distance between described Phototherapeutic instrument and the illuminated skin surface and described angle and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
On the other hand, according to a kind of Phototherapeutic instrument of the present invention, a kind of horizontal Phototherapeutic instrument is provided, described horizontal Phototherapeutic instrument comprises the lamp box of a horizontal positioned, in described lamp box, flatly be provided with one group of medical special-purpose fluorescent tube to constitute radiation source, be set with two visible light semiconductor lasers obliquely so that have the angle that to select between the two described visible light semiconductor lasers in the both sides of described light source; Distance between the two described semiconductor lasers is calculated by tangent trigonometric function relation according to the size of the described angle of distance between described Phototherapeutic instrument and the illuminated skin surface and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
Again on the one hand, according to a kind of Phototherapeutic instrument of the present invention, vertical Phototherapeutic instrument is provided, described vertical Phototherapeutic instrument comprises a movable vertical type phototherapy control device, one lamp box is installed on it, in described lamp box, be provided with a radiation source, but be set with two visible light semiconductor lasers obliquely so that have the angle that to select between the two described visible light semiconductor lasers in the both sides of described light source; Distance between the two described semiconductor lasers is calculated by tangent trigonometric function relation according to the size of distance between described Phototherapeutic instrument and the illuminated skin surface and described angle and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
Description of drawings
Fig. 1 is the sketch map of Phototherapeutic instrument positioning irradiation distance of the present invention;
Fig. 2 is the flexible light guide Phototherapeutic instrument that adopts method shown in Figure 1;
Fig. 3 is another embodiment of Phototherapeutic instrument as shown in Figure 2;
Fig. 4 is a Phototherapeutic instrument user mode reference diagram shown in Figure 2;
Fig. 5 is the horizontal Phototherapeutic instrument user mode reference diagram that adopts method shown in Figure 1; And
Fig. 6 is the vertical Phototherapeutic instrument user mode reference diagram that adopts method shown in Figure 1.
The specific embodiment
As shown in Figure 1, there is shown the sketch map of Phototherapeutic instrument positioning irradiation distance of the present invention.Is example at this with the flexible light guide Phototherapeutic instrument, but is appreciated that method of the present invention can also be applied in the Phototherapeutic instrument of other type, and this can understand hereinafter.
According to the present invention, in Phototherapeutic instrument, in the both sides of irradiates light delivery 11 two visible light semiconductor lasers 2,2 ' are installed obliquely, according to the distance H between this Phototherapeutic instrument and the illuminated skin surface, and select two angle 2 α between the laser instrument, then, calculate two laser instrument 2,2 ' distance L therebetween, and laser instrument is fixed in the Phototherapeutic instrument.
In this method, employed semiconductor laser can be to send HONGGUANG simultaneously, also can send green glow simultaneously, perhaps can be one red one green.In addition, semiconductor laser is battery-powered, and independently on and off switch is arranged.In the present invention, angle 2 α between two laser beams can be chosen in any angle between 45 °~90 °, and preferable angle 2 α are about 60 °.Angle angle hour spacing precision is poor slightly, precision height when angle is big.
During use, the power supply of opening laser instrument makes its A that gives off laser beam, A ', vertically moves the light source of Phototherapeutic instrument relative to illuminated skin, when two bundle laser overlap on skin surface, shown in luminous point C among Fig. 1, then light source promptly is the irradiation distance of regulation to the distance between the illuminated skin surface.When laser beam is rendered as two luminous point C, C ' that separate on illuminated skin surface, then show the distance of light source between the illuminated skin surface less than or greater than the irradiation distance of regulation, and can not reach best radiation response.
Use method of the present invention, only utilize and estimate the irradiation distance whether distance that just can observe easily between light source and the illuminated skin surface reaches regulation, and in adjusting apart from process, Phototherapeutic instrument does not directly contact with damaged skin, thereby has avoided the danger of polluting or infecting.
Again as shown in Figure 2, method of the present invention can be applicable to (not shown main part) in the present flexible light guide Phototherapeutic instrument.Particularly, the light delivery of this flexible light guide Phototherapeutic instrument comprises a housing 3, is provided with a light source 1 that is made of flexible light-transmitting fibre in housing 3.Be respectively equipped with a visible light semiconductor laser 2,2 ' that is made of laser diode in outfan 11 both sides of flexible light guide, this laser instrument 2,2 ' is connected with a set of cells 4, and by the connecting and disconnecting of a switch 5 control power supplys.
In this flexible light guide Phototherapeutic instrument, visible light semiconductor laser 2,2 ' is installed obliquely in the both sides of radiation source outfan 11, according to the distance H between this Phototherapeutic instrument and the illuminated skin surface, and select two angle 2 α between the laser instrument, then, calculate two laser instrument 2,2 ' distance therebetween by tangent trigonometric function relation, and laser instrument is fixed in the Phototherapeutic instrument.
Fig. 3 shows the similar flexible light guide Phototherapeutic instrument with Fig. 2, is with difference embodiment illustrated in fig. 2, also is provided with a support mounting groove 31 at housing 3 in embodiment illustrated in fig. 2, is used for this Phototherapeutic instrument is installed on (not shown) on the support; Phototherapeutic instrument shown in Figure 3 then is not provided with this support mounting groove, and therefore, this Phototherapeutic instrument is suitable for using hand-heldly.
Fig. 4 shows Fig. 2 and user mode embodiment illustrated in fig. 3, this shows, two its luminous point of bundle laser beam C that visible light semiconductor laser sends overlap at illuminated skin place, at this moment, distance between radiation source and the illuminated skin is the regulation irradiation distance, can reach best therapeutic effect, the minimum of side effect simultaneously.
Again as shown in Figure 5, there is shown the situation that method of the present invention is applied to horizontal Phototherapeutic instrument.This Phototherapeutic instrument generally is used for the treatment of large tracts of land, concentrated skin lesion.This horizontal Phototherapeutic instrument comprises the lamp box 3 of a horizontal positioned, in lamp box, be provided with one group of special-purpose fluorescent tube 1 of medical treatment with as radiation source, be respectively equipped with visible light semiconductor laser 2,2 ' in the both sides of fluorescent tube, this laser instrument is connected with a power supply 4 and is controlled by a laser instrument switch 5.
In this Phototherapeutic instrument, visible light semiconductor laser 2,2 ' is installed obliquely in the both sides of fluorescent tube, according to the distance H between this Phototherapeutic instrument and the illuminated skin surface, and select two angle 2 α between the laser instrument, then, calculate two laser instrument 2,2 ' distance therebetween by tangent trigonometric function relation, and laser instrument is fixed in the Phototherapeutic instrument.
During use, the power supply of opening laser instrument makes its A that gives off laser beam, A '.As shown in the figure, the visible luminous point C of laser beam does not at this moment overlap at illuminated skin surface, then shows the against regulation irradiation distance of distance between light source and the illuminated skin, need be moved further the distance between the illuminated relatively skin of Phototherapeutic instrument.
Referring to shown in Figure 6, there is shown the situation that method of the present invention is applied to vertical Phototherapeutic instrument again.This Phototherapeutic instrument generally is used for the treatment of large tracts of land, concentrated skin lesion, and complete machine can move.This vertical Phototherapeutic instrument comprises a movable vertical type phototherapy control device 3, one lamp box 4 is installed on it, both sides corresponding to light source 1 on lamp box are provided with visible light semiconductor laser 2,2 ', and this laser instrument is connected with a power supply (not shown) and is controlled by a laser instrument switch (not shown).
In this Phototherapeutic instrument, visible light semiconductor laser 2,2 ' installs obliquely in the both sides of lamp box, according to the distance H between this Phototherapeutic instrument and the illuminated skin surface, and select two angle 2 α between the laser instrument, then, calculate two laser instrument 2,2 ' distance therebetween, and laser instrument is fixed in the Phototherapeutic instrument by tangent trigonometric function relation.
During use, the power supply of opening laser instrument makes its A that gives off laser beam, A '.As shown in the figure, the luminous point C of visible laser beam at this moment overlaps at illuminated skin surface, then shows the distance irradiation distance up to specification between light source and the illuminated skin.
Below in conjunction with specific embodiments method of the present invention and application thereof are described in detail; but be appreciated that; though only listed three types Phototherapeutic instrument herein; but the skilled person can also be applied to method of the present invention in the Phototherapeutic instrument of other type in connotation scope of the present invention in the art, and these are used and still belong to the present invention's scope required for protection.
Claims (25)
1. a Phototherapeutic instrument positioning irradiation distance is characterized in that, may further comprise the steps:
1) in a Phototherapeutic instrument, two visible light semiconductor lasers is installed obliquely in the both sides of light source;
2) according to the distance between described Phototherapeutic instrument and the illuminated skin surface, and the angle between two laser instrument, calculate two laser instrument distance therebetween by tangent trigonometric function relation, and described visible light semiconductor laser is fixed in the described Phototherapeutic instrument;
During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
2. localization method as claimed in claim 1 is characterized in that described visible light semiconductor laser is made of laser diode.
3. localization method as claimed in claim 1 is characterized in that, described two semiconductor lasers send HONGGUANG simultaneously, perhaps send green glow simultaneously, perhaps sends one red one green light.
4. localization method as claimed in claim 1 is characterized in that, the angle between described two semiconductor lasers is in 45 °~90 ° scopes.
5. localization method as claimed in claim 4 is characterized in that, the angle between described two semiconductor lasers is 60 °.
6. flexible light guide Phototherapeutic instrument of realizing positioning irradiation distance, described flexible light guide Phototherapeutic instrument comprises a housing, in described housing, be provided with a light source that constitutes by flexible light-transmitting fibre, it is characterized in that, be set with two visible light semiconductor lasers obliquely in the both sides of described light source so that have the angle that to select between the two described visible light semiconductor lasers; Distance between the two described semiconductor lasers is calculated by tangent trigonometric function relation according to the size of distance between described Phototherapeutic instrument and the illuminated skin surface and described angle and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
7. flexible light guide Phototherapeutic instrument as claimed in claim 6 is characterized in that described visible light semiconductor laser is made of laser diode.
8. flexible light guide Phototherapeutic instrument as claimed in claim 6 is characterized in that, described two semiconductor lasers send HONGGUANG simultaneously, perhaps send green glow simultaneously, perhaps sends one red one green light.
9. flexible light guide Phototherapeutic instrument as claimed in claim 6 is characterized in that, the angle between described two semiconductor lasers is in 45 °~90 ° scopes.
10. flexible light guide Phototherapeutic instrument as claimed in claim 9 is characterized in that, the angle between described two semiconductor lasers is 60 °.
11. flexible light guide Phototherapeutic instrument as claimed in claim 6 is characterized in that, described laser instrument is connected with a power supply and by a laser instrument on-off control.
12. flexible light guide Phototherapeutic instrument as claimed in claim 6 is characterized in that, described housing is provided with a support mounting groove.
13. horizontal Phototherapeutic instrument of realizing positioning irradiation distance, described horizontal Phototherapeutic instrument comprises the lamp box of a horizontal positioned, in described lamp box, flatly be provided with one group of medical special-purpose fluorescent tube to constitute radiation source, it is characterized in that, be set with two visible light semiconductor lasers obliquely in the both sides of described light source so that have the angle that to select between the two described visible light semiconductor lasers; Distance between the two described optical semiconductor lasers is calculated by tangent trigonometric function relation according to the size of distance between described Phototherapeutic instrument and the illuminated skin surface and described angle and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
14. horizontal Phototherapeutic instrument as claimed in claim 13 is characterized in that described visible light semiconductor laser is made of laser diode.
15. horizontal Phototherapeutic instrument as claimed in claim 13 is characterized in that, described two semiconductor lasers send HONGGUANG simultaneously, perhaps send green glow simultaneously, perhaps send one red one green.
16. horizontal Phototherapeutic instrument as claimed in claim 13 is characterized in that, the angle between described two semiconductor lasers is in 45 °~90 ° scopes.
17. horizontal Phototherapeutic instrument as claimed in claim 13 is characterized in that, the angle between described two semiconductor lasers is 60 °.
18. horizontal Phototherapeutic instrument as claimed in claim 13 is characterized in that, described laser instrument is connected with a power supply and by a laser instrument on-off control.
19. vertical Phototherapeutic instrument of realizing positioning irradiation distance, described vertical Phototherapeutic instrument comprises a movable vertical type phototherapy control device, one lamp box is installed on it, in described lamp box, be provided with a radiation source, it is characterized in that, be set with two visible light semiconductor lasers obliquely in the both sides of described light source so that have the angle that to select between the two described visible light semiconductor lasers; Distance between the two described optical semiconductor lasers is calculated by tangent trigonometric function relation according to the size of distance between described Phototherapeutic instrument and the illuminated skin surface and described angle and is obtained; During use, vertically move the light source of Phototherapeutic instrument relative to illuminated skin, when the point of irradiation of two bundle laser on skin surface that sends when two visible light semiconductor lasers overlapped, then light source promptly was the irradiation distance of stipulating to the distance between the illuminated skin surface.
20. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that described visible light semiconductor laser is made of laser diode.
21. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that, described two semiconductor lasers send HONGGUANG simultaneously, perhaps send green glow simultaneously, perhaps send one red one green light.
22. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that, the angle between described two semiconductor lasers is in 45 °~90 ° scopes.
23. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that, the angle between described two semiconductor lasers is 60 °.
24. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that, described laser instrument is connected with a power supply and by a laser instrument on-off control.
25. vertical Phototherapeutic instrument as claimed in claim 19 is characterized in that described laser instrument is fixed on the described lamp box.
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CN2005100256979A CN1861215B (en) | 2005-05-09 | 2005-05-09 | Method for positioning irradiation distance of phototherapeutic apparatus, and said apparatus therewith |
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US9687669B2 (en) | 2011-11-09 | 2017-06-27 | John Stephan | Wearable light therapy apparatus |
CN109430675B (en) * | 2017-10-13 | 2023-11-28 | 河北华氏纪元高频设备有限公司 | High-frequency thawing device and high-frequency thawing method |
CN108992787B (en) * | 2018-08-15 | 2024-05-31 | 广东普门生物医疗科技有限公司 | Phototherapy instrument with constant light intensity output, constant light intensity output method and system |
CN110448813A (en) * | 2019-08-30 | 2019-11-15 | 北京君德医疗设备有限公司 | It is a kind of to position the device for determining phototherapy end and therapentic part distance using laser rays |
Citations (3)
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US6203539B1 (en) * | 1993-05-07 | 2001-03-20 | Visx, Incorporated | Method and system for laser treatment of refractive errors using offset imaging |
CN1504245A (en) * | 2002-12-04 | 2004-06-16 | 储希哲 | Photon therapeutic equipment |
CN2805814Y (en) * | 2005-05-09 | 2006-08-16 | 上海希格玛高技术有限公司 | Phototherapy apparatus with optical positioning apparatus |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6203539B1 (en) * | 1993-05-07 | 2001-03-20 | Visx, Incorporated | Method and system for laser treatment of refractive errors using offset imaging |
CN1504245A (en) * | 2002-12-04 | 2004-06-16 | 储希哲 | Photon therapeutic equipment |
CN2805814Y (en) * | 2005-05-09 | 2006-08-16 | 上海希格玛高技术有限公司 | Phototherapy apparatus with optical positioning apparatus |
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Denomination of invention: The irradiation distance positioning method of the phototherapy instrument and the phototherapy instrument using this method Effective date of registration: 20230525 Granted publication date: 20100414 Pledgee: Bank of Shanghai Limited by Share Ltd. Pudong branch Pledgor: Shanghai SIGMA High-tech Co.,Ltd. Registration number: Y2023310000212 |