JPH09154852A - Reflecting mirror and reflecting plate in multiple light type medical unshadowable illuminating lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lighten the whole body, and simplify and lighten a supplementary mechanism as much as possible by constituting it of a reflecting mirror where a base board molded by a heat resistant resin film is coated with a heat-ray transmissive film and a reflecting plate coated with a ray reflecting film. SOLUTION: In a lamp 17, a heat-ray transmissive film 2 formed on a reflecting mirror 3 to the light source light 18 emitted from a light source 11, transmits a heat ray 19 contained in the light source light 18, and radiates heat through a base board 1, on the one hand, it reflects only visible radiation 20, and sends it to a reflecting plate 6. A heat-ray reflecting film 5 formed on the reflecting plate 6 reflects a heat ray 19 in the light source light 18 unreflected by the heat ray transmissive film 2 of the reflecting mirror 3 and a heat ray 19 contained in the visible radiation 20 reflected by the reflecting mirror 3, and transmits only the visible radiation 20. Therefore, the reflecting plate 6 can finally send only the cold light to the operation performing object side similarly to a heat-ray absorbing glass plate. When the reflecting mirror 3 and the reflecting plate 6 are formed of a resin film instead of glass, it can be remarkably lightened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical shadowless illumination lamp used in surgery and the like, and more particularly to a reflector and a reflector in a multi-lamp medical shadowless illumination lamp.

[0002]

2. Description of the Related Art Conventionally, as a reflecting mirror and a reflecting plate of a lamp in a multi-lamp type medical shadowless illumination lamp used in an operation or the like, as shown in FIG. 5, a light source (25) such as a halogen lamp is used. A hemispherical glass reflector using glass as a substrate, which transmits the heat ray (27) and reflects only the visible ray (28) of the light source light (26) emitted from the glass and sends it to the heat ray absorbing glass plate (29) side. (30) and the glass reflector (3
The heat ray (27) slightly contained in the visible light ray (28) reflected by (0) and the heat ray (27) in the light source light (26) not reflected by the reflecting mirror (30) are absorbed. , A disk-shaped heat-ray absorbing glass plate (29) attached below the reflecting mirror (30), and the glass reflecting mirror (30) and the heat-ray absorbing glass plate (29) are provided at their peripheral portions as appropriate. There is one that is mounted by a mounting member (not shown). And a glass reflecting mirror (30) including the light source (25) and a heat ray absorbing glass plate (29).
3 is incorporated into a housing (10) of a multi-light medical shadowless illumination lamp to form a multi-light medical shadowless illumination lamp, as shown in FIGS. 3 and 4.

Here, as the glass reflecting mirror (30),
On the inner surface of the glass substrate (31), an alternating laminated film (32) in which a large number of thin films having a high refractive index and thin films having a low refractive index are alternately laminated, is formed. The thickness is adjusted so that the heat ray (27) in the light source light (26) is transmitted and only the visible ray (28) is reflected to the heat ray absorbing glass plate (29) side. On the other hand, the heat ray absorbing glass plate (29) is made of a material such as special glass containing phosphoric acid, and the heat ray (27) in the light source light (26) not reflected by the glass reflecting mirror (30) is used. , Which absorbs the heat ray (27) slightly contained in the visible light ray (28) reflected by the glass reflecting mirror (30) and irradiates only the visible light ray (28) which has become cold light to the subject side. It is used.

[0004]

Generally, a multi-lamp type medical shadowless illumination lamp has a sufficient weight with respect to the weight of the illumination lamp mounted on the ceiling or wall surface of a room such as an operating room. It is supported or suspended by a supporting device such as a supporting arm having sufficient strength or a suspension mechanism. In the multi-lamp medical shadowless illumination lamp, if the number of lamps incorporated in the housing of the illumination lamp increases, the size and weight of the illumination lamp itself increases. Alternatively, the suspension mechanism becomes bulky, and the weight of these devices and the mechanism itself increases. Therefore, there is a problem that the ceiling and walls of the room in which they are installed also need to be reinforced so that they can sufficiently bear the weight of these devices and mechanisms. In the case of the multi-lamp medical shadowless illumination lamp (A), since about 4 to 14 lamps are usually incorporated in the housing (10), the above problem is serious.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention solves the above problems and reduces the weight of the reflector and reflector of the lamp without impairing the function of the lamp, thereby providing a multi-lamp medical system. Reflector for a multi-lamp medical shadowless illumination lamp, which can reduce the weight of the shadowless illumination lamp as a whole, and can simplify and lighten the supporting device of the illumination lamp or an auxiliary mechanism including a suspension mechanism as much as possible. The purpose is to provide a plate, a reflector formed by coating a heat-resistant resin film with a heat ray transmitting film, and a substrate formed by a heat-resistant resin film with a heat ray reflecting film. It is characterized by being composed of a reflector. In this way, by constructing the substrate of the reflecting mirror and the reflecting plate with the heat-resistant resin film, the self-weight of the lamp itself can be significantly reduced compared to the conventional lamp, and the entire medical shadowless illumination lamp, and This also reduces the weight of the supporting device and the suspension device.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The reflector and reflector in the multi-lamp medical shadowless illumination lamp according to the present invention include a reflector formed by coating a heat-resistant resin film on a substrate and a heat-resistant resin. It is composed of a substrate formed of a resin film and a reflector coated with a heat ray reflective film. As the substrate of the reflection plate, any resin film may be used as long as it is a resin film having heat resistance that can sufficiently cope with heat generation of a light source, without coloring the visible light irradiated to the affected area. It is preferable to use a fluororesin film in order to obtain an effect that does not hinder operations such as surgery.

In the reflecting mirror and the reflecting mirror in the reflecting plate in the multi-lamp type medical shadowless illumination lamp configured as described above, the heat rays contained in the light of the light source are transmitted and only the visible light is reflected to the reflecting plate side. Let In the reflector, the heat rays in the light of the light source not reflected by the reflector and the heat rays slightly contained in the visible light reflected by the reflector are reflected to the reflector side, and only the cold light is treated. Send to the body side.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a reflector and a reflector in a multi-lamp medical shadowless illumination lamp according to the present invention will be described below with reference to the accompanying drawings. 1 is an embodiment of a reflector and a reflector in a multi-lamp medical shadowless illumination lamp according to the present invention, and FIGS. 2 to 4 are medical reflectorless reflectors and a reflector in FIG. 3A and 3B respectively show the state of being mounted in the housing of FIG.

The reflecting mirror and the reflecting plate in the multi-lamp medical shadowless illumination lamp according to the present invention shown in FIG. 1 are, for example, a substrate (1) molded of a polyimide heat-resistant resin film.
A high refractive index thin film such as a titanium oxide film,
A semi-spherical reflecting mirror (3) having a heat ray transmitting film (2) formed by laminating a large number of thin films having a low refractive index such as a magnesium fluoride film by alternately adjusting the deposition thickness by a vapor deposition method, and a fluorine-based material. Similar to the above, a high refractive index thin film such as a titanium oxide film and a low refractive index thin film such as a magnesium fluoride film are alternately deposited on a substrate (4) formed of a resin film by a vapor deposition method. Heat ray reflective film that is adjusted and laminated in large numbers (5)
And a disc-shaped reflector (6).
That is, the heat ray reflection film (5) and the heat ray transmission film (2) are formed by changing the film thickness of the high refractive index thin film and the low refractive index thin film. As shown in FIG. 2, the reflecting mirror (3) includes an annular portion (7) for holding a flange portion (3a) formed on the outer periphery of the lower end portion of the reflecting mirror (3), and a lamp mounting arm (8). A halogen lamp as a light source (11) is attached to a socket (10) attached to the annular portion (7) of a lamp support (9) consisting of, and attached to the top of the lamp attachment arm (8), The rotating shafts (12) projectingly provided on both side surfaces in the diametrical direction including the center of the annular portion (7) of the lamp support (9),
Brackets (1
The lamp supporter (9) is pivotally attached to the housing (3) so that the lamp supporter (9) can be tilted with respect to the central axis of the housing (14) so that the depth of focus of a multi-lamp lamp can be adjusted. ing. In the figure, (15) shows a rod for tilting and driving the lamp support (9). Where the lamp support (9)
The annular portion (7) of the outer frame (7a) and the inner frame (7)
It is used that the flange portion (3a) of the reflecting mirror (3) is sandwiched between the b) and b, and the three members are fixed by screws (16).

In the lamp (17) of FIG. 1, the light source (1
For the light source light (18) emitted from 1), the heat ray transmitting film (2) formed on the reflecting mirror (3) transmits the heat ray (19) contained in the light source light (18), Board (1)
While radiating heat through, the visible light (20) is reflected and sent to the reflector (6) side. In the heat ray reflection film (5) formed on the reflection plate (6), heat rays (19) in the light source light (18) not reflected by the heat ray transmission film (2) of the reflection mirror (3), The heat ray (19) slightly contained in the visible light (20) reflected by the reflecting mirror (3) is reflected,
Only visible light (20) is transmitted. Thus, the reflector (6) in FIG. 1 is replaced by the heat ray absorbing glass plate (29) in FIG.
Similarly, only cold light is finally sent to the subject side.

FIG. 2 shows an embodiment in which the lamp (17) of FIG. 1 constructed as described above is attached to the housing (14) of a multi-lamp medical shadowless illumination lamp (A). The housing (14) is provided with a diffuser plate mounting hole (21) of a size corresponding to the irradiation surface of the lamp (17) at the mounting position of the lamp (17). Eight diffuser plate mounting holes (21) for medical shadowless lighting (A)
Are shown drilled into the housing (14).

The diffusion plate mounting hole (2) of the housing (14)
A semi-transparent diffusion plate (22) is fixed to 1) by screws (23). The diffusion plate (22) is formed in a concave shape having a flange, and the reflection plate (6) is housed in the concave portion. The reflection plate (6) is sandwiched from above and below by the outer periphery of the reflection plate (6) by a loop-shaped reflection plate fixing frame (24) made of stainless steel or the like, and is provided in the concave portion of the diffusion plate (22). It has been incorporated.

According to the embodiment thus constructed, the weight of the entire housing (14) including the lamp (17) is
The weight has been reduced by about 33% compared to the conventional one.

[0014]

As described above, according to the present invention, the substrate of the reflecting mirror and the reflecting plate in the multiple-light type medical shadowless illumination lamp is replaced with glass to be a resin film.
The weight of the lamp itself, including the reflector and reflector, has been significantly reduced compared to conventional lamps without impairing the function and strength of the lamp. The weight of can also be significantly reduced. Further, as a result of the reduction in weight of the lamp, the lamp, the bracket for mounting the lamp, and the like can be simplified and reduced in weight, and a wide range of materials can be selected.

A supporting device such as a supporting arm of a multi-light medical shadowless illumination lamp and a suspension device for suspending the supporting arm from the ceiling can be lightened, and the mechanism of these devices can be simplified. It is possible to improve and reduce the cost of the entire device as much as possible. In addition, reducing the weight of the multi-light medical shadowless illumination lamp as a whole is effective for safety problems such as earthquake resistance in a room in which the illumination lamp is installed. Furthermore, by using a fluorine-based resin as the substrate of the reflection plate, it has heat resistance that can sufficiently cope with the heat generation of the light source, and it does not give a color to visible light and does not hinder operations such as surgery. is there.

[Brief description of the drawings]

FIG. 1 is a mechanism explanatory view showing an embodiment of a reflecting mirror and a reflecting plate in a multi-lamp medical shadowless illumination lamp according to the present invention.

FIG. 2 is a side view showing a state in which a lamp having the mechanism of FIG. 1 is attached to a housing and a part of which is cut away.

FIG. 3 is a layout explanatory view showing a state in which the lamp of FIG. 1 is incorporated in an eight-lamp multi-light medical shadowless illumination lamp.

FIG. 4 is a side view of FIG. 3 in which a part of the housing is cut away.

FIG. 5 is an explanatory view of a mechanism of a reflecting mirror and a reflecting plate in a conventional multi-lamp medical shadowless illumination lamp.

[Explanation of symbols]

 1 ... Substrate 2 ... Heat ray transmitting film 3 ... Reflecting mirror 4 ... Substrate 5 ... Heat ray reflecting film 6 ... Reflector plate

Claims (2)

[Claims] 1. A reflector (3) having a substrate (1) molded of a heat-resistant resin film coated with a heat ray transparent film (2) and a substrate (4) molded of a heat-resistant resin film. A reflector and a reflector in a multi-lamp medical shadowless illumination lamp, comprising a reflector (6) coated with a film (5). 2. A reflector and a reflector in a multi-lamp medical shadowless illumination lamp according to claim 1, wherein the substrate (4) of the reflector (6) is made of a fluororesin film.