JP3083056U - Surgical light - Google Patents

Abstract

(57) Abstract: There is provided a surgical light using a metal halide lamp having a ballast circuit provided with a high-voltage circuit section as a light source lamp of the surgical light. A shadowless lamp having a reflecting mirror behind a light source lamp, wherein the reflecting mirror reflects light from the light source lamp and irradiates the light forward of the light source lamp. The light source lamp 1 is of a high voltage application type, and includes a ballast circuit 13 provided with a high voltage circuit unit 12 for generating at least a high voltage applied to the light source lamp 1.
And a metal halide lamp having

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an operating lamp for irradiating an affected part of a patient in dental treatment, medical treatment and the like.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, in dental treatment and the like, a surgical light has been widely used as a lighting device for irradiating an affected part of a patient.

In this surgical light, a light shielding plate is provided in front of the light source lamp so as not to directly irradiate the light from the light source lamp, and a reflection mirror (scattering mirror) is provided behind the light source lamp. Thus, the number of light sources is substantially infinite (in other words, as a surface light source) so that the shadow of the object to be irradiated cannot be formed, and is suitable for irradiating the affected part in dental treatment or the like.

A halogen lamp is widely used as a light source lamp of such an operating light. However, a metal halide lamp (hereinafter, referred to as “metahara”) having a white light, that is, a color rendering property close to that of sunlight and having good luminous efficiency. It was more desirable to adopt a lamp.)

[0005]

[Problems to be solved by the invention]

 However, the conventional meta-hala lamp does not respond immediately when the switch is turned on and off, and it takes a long time until the light is turned on or off, or a long waiting time when the light is turned on again after the light is turned off. There's a problem.

Further, the number of times that the meta-halar lamp can be repeatedly turned on is about 1000 times, and there is a problem that its life is short.

[0007] The present invention is intended to solve such a problem, and an object of the present invention is to provide an operating lamp which can solve the conventional problems and can make use of the features of the meta-harahara lamp.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the operating light according to claim 1 has a reflecting mirror behind the light source lamp, and reflects the light from the light source lamp with the reflecting mirror to project the light forward of the light source lamp. In the operating lamp, the light source lamp is a metal halide lamp having a ballast circuit provided with at least a high voltage circuit unit for generating a high voltage applied to the light source lamp. It is characterized by having been done.

In this device, since a metal halide lamp is used, its spectrum is wider than that of a halogen lamp, and its whiteness is high, so that it has excellent color rendering properties. The brightness (brightness) of the projected light can be increased.

Further, this metal halide lamp solves the conventional problems of lighting and relighting time and the problem of the number of times of repeated lighting, so that it can be favorably used as a surgical light.

According to a second aspect of the present invention, in the first aspect, the high-voltage circuit section of the ballast circuit and the lamp section of the metal halide lamp are provided in close proximity to each other.

In this device, since the ballast circuit having the high-voltage circuit portion and the lamp portion of the metal halide lamp are provided close to each other, these connections can be shortened, and leakage of high voltage from this connection can be prevented. Electric shock can be prevented.

According to a third aspect of the present invention, in the surgical light according to any one of the first and second aspects, the high-voltage circuit section of the ballast circuit is provided in the main body of the surgical light, and the ballast circuit is provided in the ballast circuit. The low-voltage circuit portion of the circuit is provided separately from or in the main body of the surgical light.

In this case, since only the low-voltage circuit portion of the ballast circuit is provided separately from the body portion of the operating lamp, the body portion of the operating lamp can be downsized.

Further, the low-voltage circuit section can be provided in the main body of the surgical light, and in this case, the ballast circuit can be integrated to be compact.

According to a fourth aspect of the present invention, there is provided a surgical light according to any one of the first to third aspects, further comprising: a voltage control unit configured to control a supply voltage applied to the light source lamp to control illuminance of the light source lamp. Provided.

In this apparatus, since the voltage supplied to the meta-halar lamp is controlled and the illuminance can be controlled, the supply voltage applied to the meta-halar lamp is completely shut off even when the meta-halar lamp is on standby. Since the standby mode can be set without waiting, the metahalal lamp can be started more quickly, and dazzling of the metahalal lamp during standby can be prevented.

Further, it is possible to control the illuminance to an appropriate level according to each treatment purpose.

According to a fifth aspect of the present invention, in the surgical light according to any one of the first to fourth aspects, a filter for each treatment purpose is movably or detachably provided in an optical path of the light source lamp.

In this device, since filters for each treatment purpose are provided, it can be used not only for dark area illumination but also for polymerization and bleaching.

According to a sixth aspect of the present invention, in the surgical light according to any one of the first to fifth aspects, in the optical path of the light source lamp, a reflection mirror for each treatment purpose is provided so as to be exchangeable.

In this case, since the reflecting mirrors for each treatment purpose are provided interchangeably, a reflecting mirror suitable for the irradiation range according to each treatment purpose can be freely selected.

According to a seventh aspect of the present invention, in the operating light according to the fifth or sixth aspect, the filter or the reflecting mirror is formed for photopolymerization or bleaching.

In this case, the filter or the reflection mirror is formed only for photopolymerization or for breaching.

According to an eighth aspect of the present invention, in the operating light according to the seventh aspect, the filter or the reflecting mirror is configured such that the one formed for photopolymerization and the one formed for bleaching can be exchanged.

In this case, the filters or reflecting mirrors for photopolymerization and bleaching can be easily replaced and used.

A surgical light according to a ninth aspect of the present invention is the operating light according to any one of the first to eighth aspects, wherein a flexible arm having a receiving end provided at a tip thereof is connected to the surgical light. The light source lamp is formed so that it can be detached and attached to the above-mentioned holder to be usable.

In this apparatus, since the light source lamp of the surgical light can be detached and attached to the receiver, the light source lamp of the dental treatment by photopolymerization can be used by using the light source lamp of the surgical light. Can also be used as

A surgical light according to a tenth aspect of the present invention is the operating light according to the ninth aspect, wherein the light source lamp is mounted on a receiving part of the flexible arm, and a light guide is provided in the receiving part.

In this apparatus, since the light source lamp of the surgical light can be removed and attached to the receiver for use, the light source lamp of the surgical light can also be used, and the receiver is provided with a light guide. Therefore, it is possible to guide necessary illumination to a position corresponding to each treatment purpose.

An operating light according to an eleventh aspect is the operating light according to the tenth aspect, wherein the light guide is detachably replaceable with respect to the receiver.

In this case, since the light guide can be detachably exchanged with the receiving device, the light guide corresponding to each treatment purpose can be easily exchanged.

According to a twelfth aspect of the present invention, in the surgical light according to any one of the first to eleventh aspects, the light source lamp is provided with a cooling fan for cooling the light source lamp.

[0034] In this device, the light source lamp composed of the meta-hala lamp is cooled by the cooling fan, so that the performance of the light source lamp is exhibited well without the lamp becoming high in temperature. .

[0035]

[Embodiment of the invention]

 Hereinafter, the surgical lamp A according to the present invention will be described with reference to the drawings.

The surgical light A according to the present invention is used for dental treatment, medical treatment, and the like. In this embodiment, an example of a surgical lamp used for dental treatment will be described.

FIG. 1 is an overall perspective view of a dental treatment room for explaining the surgical light according to the present invention. Generally, a treatment chair B on which a patient is placed is installed in the dental treatment room, and a table C on which a treatment instrument is placed is provided near the head B1 of the treatment room. A spitting section D for performing the operation is provided.

The doctor is located around the head B1 of the treatment chair B and performs dental treatment for the patient. In order to irradiate the inside of the patient's mouth at the time of this dental treatment, the present invention is applied. An operating light A is used.

The operating light A is provided with an ON / OFF switch A1, which is attached to the tip of a known support so that the illumination position of the operating light A can be freely adjusted. I am able to do it.

FIGS. 2A and 2B are a cross-sectional view and a front view of the surgical light according to the present invention.

The operating light A is provided with a light shielding plate 2 in front of the light source lamp so as not to irradiate the light of the light source lamp directly, and a reflecting mirror 3 (scattering plate) behind the light source lamp. The number of light sources is set to substantially infinite (in other words, as a surface light source) so that the shadow of the illuminated object cannot be formed.

In the present invention, the light source lamp is of a high voltage application type, and includes a metal halide lamp (hereinafter referred to as “metahara It is also referred to as a “lamp.”

The light shielding plate 2 is for preventing the light from the metahalar lamp 1 from being directly radiated to the patient, thereby keeping the surface light source uniform. The light leaking forward from the meta-halar lamp 1 can be reflected by the light shielding plate 2 to the reflection mirror 3 and reflected again by the reflection mirror 3 to be used for illumination.

The reflection mirror 3 serves to reflect light emitted backward from the meta-halar lamp 1 toward the front as a surface light source, and is formed in an arc shape.

The reflecting mirror 3 reflects visible light by 90% or more by a combination of a special parabolic curve surface and a wavy curve in which the light collection and the shadowless effect are calculated.

It is to be noted that a special coating capable of absorbing infrared rays may be applied to the back surface of the reflection mirror 3 to serve as a heat sink.

The reflected light from the reflecting mirror 3 is irradiated forward, but in this embodiment, a light irradiation member 4 is further provided on the front surface of the surgical lamp A.

Since such a light irradiating member 4 is provided in the optical path of the meta-harahara lamp 1, the reflected light from the meta-haralam lamp 1 is not directly radiated to the patient, and dazzling due to the reflected light can be prevented.

Further, a cooling fan 17 is provided behind the light source lamp 1 to prevent the temperature of the lamp from becoming high due to the heat generated by the light emission of the lamp. Is cooled so as not to reach a certain temperature or higher, so that the performance of the light source lamp 1 is sufficiently exhibited.

FIGS. 3A and 3B are an exploded perspective view and a longitudinal sectional view of the metahalar lamp according to the present invention.

The meta-haram lamp 1 is of a high-voltage application type, and has a lamp section 11 and a ballast circuit 13 provided with a high-voltage circuit section 12 for generating a high voltage applied thereto. The circuit 13 is provided with a low voltage circuit section 14 that is linked to the ON / OFF switch A1.

Further, it is preferable that the lamp section 11 and the high-voltage circuit section 12 of the ballast circuit 13 are provided close to each other. High voltage leakage and discharge from this connection can be prevented.

Such a ballast circuit 13 is housed in a protective case 15 in order to suppress the heat generation and prevent an external impact.

An opening is provided at the front of the protective case 15, and the mounting part 16 provided at the base end of the lamp part 11 is connected to the ballast circuit 13.

The meta-halar lamp 1 having such a structure is installed in the surgical lamp 1 so that the light of the lamp section 11 is emitted toward the rear reflecting mirror 2 as shown in FIG. I have.

FIG. 4 is an explanatory view schematically showing the surgical light shown in FIG.

In the surgical light A configured as described above, as shown by the arrow in the figure, the light flux emitted from the metahara lamp 1 is reflected by the rear reflecting mirror 3 and then passes through the light irradiation member 4. Irradiated to the affected area of the patient.

Therefore, according to the surgical lamp A according to the present invention, since the meta-halar lamp 1 is used, the spectrum is wider and the whiteness is higher than that of the halogen lamp, so that the color rendering properties are excellent. Since it has five times the brightness, the brightness (brightness) of the light projected to the patient can be increased.

Further, the meta-halar lamp 1 solves the problems of conventional lighting and relighting time and the problem of the number of times of repeated lighting, so that it can be favorably used as the surgical light A.

By the way, as shown in FIG. 3, the high-voltage circuit section 12 of the ballast circuit 13 is an essential circuit for the high-voltage application type meta-haram lamp 1, It is provided inside the department.

The ballast circuit 13 is provided with a low-voltage circuit section 14 in addition to the high-voltage circuit section 12. The low-voltage circuit section 14 is separate from the main body of the surgical light A, or It can be provided in the main body.

If only the low-voltage circuit section 14 is provided separately from the main body of the surgical lamp A, the main body of the surgical lamp A can be downsized.

On the other hand, the low-voltage circuit section 14 can be provided in the main body of the surgical light A similarly to the high-voltage circuit section 12. In this case, the low-voltage circuit section can be integrated with the ballast circuit 13. it can.

FIG. 5 is a block diagram showing another example of the surgical light according to the present invention.

Although a high voltage is applied to the meta-harahara lamp 1, in FIG. 5, a voltage control section 21 for controlling a supply voltage from the power supply 20 is provided, and the illuminance of the meta-harahara lamp 1 can be controlled. Showing things.

If such a voltage control unit 21 is provided, the illuminance can be controlled by controlling the supply voltage to the meta-halar lamp 1. For example, the voltage is applied to the meta-halar lamp 1 even during standby. Since the standby mode can be set without completely shutting off the supply voltage, the meta-halar lamp 1 can be started quickly and dazzling of the meta-halar lamp 1 during standby can be prevented.

In addition, it is possible to control the illuminance to be appropriate for each purpose of treatment.

FIG. 6 is an explanatory view schematically showing another embodiment of the surgical light according to the present invention.

As described above, in the surgical light A according to the present invention, the luminous flux emitted from the metahalar lamp 1 is reflected by the rear reflecting mirror 3 and then radiated to the affected part of the patient through the light radiating member 4. You.

In the surgical light A shown in FIG. 6, a filter 5 for each treatment purpose is provided movably or detachably in the optical path of the metahalar lamp 1.

For example, in this figure, a filter 5 for each treatment purpose is provided movably or detachably on the front surface of the light irradiation member 4. Depending on the treatment purpose, the filter 5 may be used instead of the light irradiation member 4. May be provided.

Similarly, the reflection mirror 3 can be exchangeably provided for each treatment purpose, and by exchanging the reflection mirror 3, the irradiation range can be adapted to each treatment purpose. be able to.

Here, the purpose of each treatment is formed not only for the purpose of irradiating the affected part of the patient as described above but also for other purposes, for example, for photopolymerization or bleaching used in dental treatment. .

If such a filter 5 or a reflecting mirror 3 for each treatment purpose can be replaced, the operating light A of the present invention can be used not only for dark area illumination but also for polymerization and bleaching used in dental treatment. it can.

In addition, the filters 5 and / or the reflectors 3 used for photopolymerization and for breaching can be interchangeably formed, respectively. In addition, the filters 5 and the reflecting mirrors 3 can be easily replaced according to each treatment purpose.

FIG. 7 is a schematic explanatory view showing still another embodiment of the surgical light according to the present invention.

The operating light A has a structure in which a flexible arm 7 having a receiving member 6 at the tip is connected to the one shown in FIGS.

The flexible arm 7 provided with such a receiving member 6 is known, and the conventional receiving member 6 is provided with a light source lamp (not shown) separate from a light source lamp.

The receiver 6 condenses, for example, a light beam emitted from the light source lamp (not shown) by the condensing means 61 and irradiates the converged light to the affected part of the patient. It is used for dental treatment by photopolymerization.

The operating light A according to the present invention is intended to be used by using the meta-hara lamp 1 as a light source provided in the receiving device 6. Therefore, the meta-hara lamp 1 of the operating light A is This is detached and attached to the receiving member 6 so as to be usable.

Specifically, the mounting portion 6a to which the meta-hara lamp 1 can be mounted on the receiving member 6 is formed in the same manner as the mounting portion 1a of the meta-hara lamp 1 of the surgical light A. If it is removed and replaced with the receiver 6, this can also be used as a light source lamp of the receiver 6.

As described above, according to the surgical light A of the present invention, the meta-halar lamp 1 can be removed and attached to the holder 6 for use. It can also be used as a light source lamp for dental treatment by photopolymerization.

As shown in FIG. 7, the power supplied to the metahalar lamp 1 of the surgical light A and the power supplied to the receiver 6 are made common, and these are switched by the changeover switch SW. It is desirable to share them.

FIG. 8 is a schematic explanatory view showing another example of the receiving device shown in FIG.

FIG. 8 shows a state in which the meta-hara lamp 1 is mounted on the receiving member 6 of the flexible arm 7, and a detachable light guide 8 is provided on the front part of the receiving member 6 in a detachable manner.

The light guide 8 is provided with an optical fiber 81 and the like at the front thereof, and replaces the optical fiber 81 appropriately according to the purpose of treatment of the patient, and guides necessary illumination to a position corresponding to the purpose.

The receiving device 6 provided with such a light guide 8 can also use the meta-halar lamp 1 as a light source and the light guide 8 is detachably provided as in FIG. The required illumination can be guided to a position corresponding to the treatment purpose.

FIG. 9 is a schematic perspective view showing a further embodiment of the surgical light according to the present invention.

In this embodiment, an operating light A provided with the reflecting mirror 3 shown in FIGS. 1 to 7 is connected to the tip of a flexible arm 7 extended from the fixture 9.

The same members as those shown in FIGS. 1 to 7 are denoted by the same reference numerals, and description thereof is omitted.

According to such an operating light A, in addition to the effects of the operating light A described with reference to FIGS. It can be easily adjusted according to the purpose.

[0092]

[Effect of the invention]

 According to the present invention, the following effects are obtained.

According to the surgical lamp according to the first aspect, since the metal halide lamp is used, the spectrum is wider and the whiteness is higher than the halogen lamp, so that the color rendering is excellent, and the luminance is about five times higher. Therefore, the brightness (brightness) of the light projected to the patient can be increased.

Further, since this metal halide lamp has solved the problems of conventional lighting and relighting time and the problem of the number of times of repeated lighting, it can be favorably used as a surgical light.

According to the surgical light according to the second aspect, since the ballast circuit having the high-voltage circuit and the lamp of the metal halide lamp are provided close to each other, their connection can be shortened. High voltage leakage from the connection and electric shock can be prevented.

According to the third aspect of the invention, since only the low-voltage circuit of the ballast circuit is provided separately from the main body of the surgical light, the main body of the surgical light can be downsized.

Further, the low voltage circuit section can be provided in the main body of the surgical light, and in this case, the ballast circuit can be integrated to be compact.

According to the surgical light according to the fourth aspect, since the voltage control unit capable of controlling the supply voltage to the meta-halar lamp and controlling the illuminance thereof is provided, even when the meta-halar lamp is on standby, Since the standby mode can be set without completely shutting off the applied supply voltage, the meta-halar lamp can be started more quickly and the dazzling of the meta-halar lamp during standby can be prevented.

Further, it is possible to control the illuminance to an appropriate level according to each treatment purpose.

According to the surgical light according to the fifth aspect, since the filters for each treatment purpose are provided, it can be used not only for dark area illumination but also for polymerization and bleaching.

According to the surgical light according to the sixth aspect, since the reflecting mirror for each treatment purpose is replaceably provided, a reflecting mirror suitable for the irradiation range according to each treatment purpose can be freely selected. can do.

According to the surgical light according to the seventh aspect, the filter or the reflection mirror can be formed only for the purpose of photopolymerization or bleaching.

According to the surgical light according to the eighth aspect, filters for photopolymerization and bleaching or reflecting mirrors can be easily replaced and used.

According to the surgical light according to the ninth aspect, since the light source lamp of the surgical light can be detached and attached to the receiver, the light source lamp of the surgical light can be used for photopolymerization. It can also be used as a light source lamp for dental treatment.

According to the surgical light according to the tenth aspect, since the light source lamp of the surgical light can be removed and attached to the receiver, it can be used as a light source lamp of the surgical light. Since the light guide is provided, the necessary illumination can be guided to a position corresponding to each treatment purpose.

According to the surgical light according to the eleventh aspect, since the light guide can be detachably exchanged with the receiver, the light guide according to each treatment purpose can be easily replaced.

According to the surgical light according to the twelfth aspect, the light source lamp constituted by the meta-halar lamp is cooled by the cooling fan, so that the temperature of the lamp does not become high, and the light source lamp does not become hot. Good performance of.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a dental treatment room for explaining a surgical light according to the present invention.

FIG. 2 is a cross-sectional view and a front view of the surgical light according to the present invention.

3 (a) and 3 (b) are an exploded perspective view and a longitudinal sectional view of the metahalar lamp according to the present invention.

FIG. 4 is an explanatory view schematically showing the surgical light shown in FIG. 2;

FIG. 5 is a block diagram showing another example of the surgical light according to the present invention.

FIG. 6 is an explanatory view schematically showing another embodiment of the surgical light according to the present invention.

FIG. 7 is a schematic explanatory view showing still another embodiment of the surgical light according to the present invention.

FIG. 8 is a schematic explanatory view showing another example of the receiving device shown in FIG. 7;

FIG. 9 is a schematic perspective view showing still another embodiment of the surgical light according to the present invention.

[Explanation of symbols]

 Reference Signs List A shadowless lamp 1 light source lamp (metal halide lamp) 11 lamp unit 12 high-voltage circuit unit 13 ballast circuit 14 low-voltage circuit unit 17 cooling fan 21 voltage control unit 3 reflection mirror 5 filter 6 receiver 7 flexible arm 8 light guide

Claims (12)

[Utility model registration claims] 1. A surgical light having a reflecting mirror behind a light source lamp, wherein the reflecting mirror reflects light from the light source lamp and projects the light forward of the light source lamp. And a high-voltage application type, comprising a metal halide lamp having a ballast circuit provided with a high-voltage circuit unit for generating at least a high voltage applied to the light source lamp. 2. The operating lamp according to claim 1, wherein the high-voltage circuit section of the ballast circuit and the lamp section of the metal halide lamp are provided in close proximity to each other. 3. The ballast circuit according to claim 1, wherein the high-voltage circuit section of the ballast circuit is provided in a main body of the surgical light, and the low-voltage circuit section of the ballast circuit includes the shadowless lamp. An operating light provided separately from or in the main body of the lamp. 4. An operating lamp according to claim 1, further comprising a voltage control section capable of controlling a supply voltage applied to said light source lamp to control illuminance of said light source lamp. 5. The surgical light according to claim 1, wherein a filter for each treatment purpose is movably or detachably provided in an optical path of the light source lamp. 6. The surgical light according to claim 1, wherein a reflecting mirror for each treatment purpose is exchangeably provided in an optical path of the light source lamp. 7. The operating light according to claim 5, wherein the filter or the reflecting mirror is formed for photopolymerization or bleaching. 8. The operating light according to claim 7, wherein the filter or the reflecting mirror is interchangeable between those formed for photopolymerization and for bleaching. 9. The surgical light according to claim 1, wherein a flexible arm having a receiving end provided at a tip thereof is connected to the surgical light, and the light source lamp of the surgical light is detached. And an operating light formed to be usable by being attached to the receiving device. 10. The surgical light according to claim 9, wherein the light source lamp is mounted on a receiver of the flexible arm and a light guide is provided on the receiver. 11. The operating light according to claim 10, wherein the light guide is detachably replaceable with respect to the receiving member. 12. An operating lamp according to claim 1, wherein said light source lamp is provided with a cooling fan for cooling said light source lamp.