JP2005080959A - Mode displaying method for lighting device for diagnostic examination and apparatus therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mode displaying method for a lighting device for diagnostic examination capable of discriminating the time of a treating mode and a composite mode solving the problem that it becomes difficult for a medical doctor or an assistant to determine a dark lighting intensity of the treatment mode or a lighting intensity of the composite mode only by seeing the light quantity emitted from the lighting device when making it possible to switch the lighting intensity in the current treating mode. <P>SOLUTION: In the mode displaying method for the lighting device for diagnostic examination, a light source 61a for displaying such as a light emitting diode emitting at least two kinds of color light is arranged at a position capable of being seen from any direction in a lighting device for lighting an operation site at the time of the examination, the brightness at the time of examination mode is displayed by selectively lighting the light source for displaying according to the difference in the brightness at the time of the examination, further the composite mode is displayed by blinking the light source for displaying in a lighting condition at the time of the composite mode. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an illumination device that illuminates a patient's mouth in medical treatment, in particular, dental treatment, when a high illuminance state and a low illuminance state are used for treating a patient, and when a composite resin is used. Mode display method and apparatus for a medical illuminator capable of knowing the treatment mode by viewing the mode display means attached to the illuminator from the outside by clearly displaying the illuminance display state at the time of treatment About.

  In a conventional illuminator that illuminates the patient's mouth during dental treatment, it is turned on when treating dental caries and the like, and is used as a means for turning off when the treatment is completed. For example, Japanese Utility Model Publication No. 7-1125 discloses a technique of using a contact switch to turn on a light by holding the hand over the non-contact switch when the light is turned off, and turning off the light by holding the hand over the non-contact switch again. Is disclosed. And as the effect, it was that it was hygienic by a non-contact switch.

  In this known example, since the lighting lamp is simply controlled to be turned on / off, the treatment was performed in the dental caries prevention treatment in the state where the lighting lamp was lit at the brightness for treatment. When a composite resin is buried in the part, there is a problem that the composite resin being treated is cured.

In order to solve such a problem, the present applicant has applied for Japanese Patent Application No. 2002-104966, which is an earlier application. In the invention of this application, switching between a treatment (medical treatment) mode with high illuminance and a composite mode with low illuminance is performed by a non-contact switch, and the time for holding the hand over the non-contact switch is shortened to turn on an illuminating lamp. -It is a technology that can be turned off, and can change the illuminance by storing a plurality of illuminances in the treatment mode.
No. 7-1125

  By the way, when the illuminance can be switched in the treatment mode as described above, just by looking at the amount of light emitted from the illuminator by the doctor or assistant, whether the illuminance is dark in the treatment mode or in the composite mode. There was a problem that it was difficult to determine whether it was illuminance.

  The present invention is intended to solve the above-described problems, and its object is to enable switching of at least three illuminances in total between at least two illuminances in the treatment mode and the composite mode, and By arranging the display means for displaying the status of each of the three modes at a position that can be recognized from any direction of the illuminator, it is easy to confirm which mode the illuminance from the illuminator is in. It is an object of the present invention to provide a mode display method and apparatus for a medical illuminator that can be grasped.

  The mode display method of the medical illuminator according to the present invention is intended to achieve the above-mentioned object, and the means of claim 1 is to view the illuminating device for illuminating the treatment site at the time of medical examination from any direction. A light source for display such as a light emitting diode that emits at least two colors at a position where light can be emitted, and the light source for display is selectively lit according to the difference in illuminance in the medical mode. Is displayed, and in the composite mode, the display light source in the lit state is blinked to indicate that it is in the composite mode.

  According to a second aspect of the present invention, in the above-mentioned means of the first aspect, when the lamp is turned off so as not to energize the control circuit by cutting off the main power supply, the display light source is turned off to turn on the power. It is characterized in that it can be determined whether or not.

  The means of claim 3 in the mode display device of the medical illuminator according to the present invention includes an illuminating device for illuminating a treatment site during medical treatment, and at least two colors attached at positions that can be seen from any direction. A light source for display such as a light emitting diode that emits the color of the light, an illuminance switching means for selecting and lighting the display light source in order to change the illuminance by operating in the medical mode, and switching from the medical mode to the composite mode A mode switching means for blinking the lit display light source, and the display light source is selected and lit by operating the illuminance switching means, and the lit display light source is blinked by the mode switching means. A control circuit.

  According to a fourth aspect of the present invention, in the above-mentioned means of the third aspect, when the main power supply is shut off and the control circuit is not energized, the display light source is not energized. It has a circuit configuration.

  According to a fifth aspect of the present invention, there is provided the light diffusing lens for uniformly emitting the light from the display light source, wherein the display light source is accommodated in a lower end of a yoke for mounting the illumination device. Is arranged opposite to the display light source, and the illuminance switching means is attached to the substrate on which the display light source is attached.

  The means of claim 6 is the means of claim 3 described above, wherein the mode switching means is a non-contact switch, and the means of claim 7 is the means of claim 3, wherein the mode switching means is , It is arranged on the lower surface side of the bracket frame for mounting the mirror in the lighting device.

  As described above, according to the present invention, the brightness in the medical mode is displayed by selectively lighting the display light source according to the difference in illuminance in the medical mode. By flashing the light source, the composite mode is displayed, so that the doctor or assistant can clearly determine the state of illuminance from the lighting device, and therefore from the lighting device during medical treatment (treatment) Since it is possible to know the light without directly checking it with eyes, it is possible to prevent the possibility that the resin will be hardened accidentally during the treatment using the composite resin.

  In addition, when the lamp that is not energized to the control circuit is turned off, the display light source is turned off, so it can be determined whether or not the main power supply is turned on. Even when necessary, it can be confirmed that the lamp is not energized from the extinguished state of the display light source, and there is no electric shock.

  Furthermore, since the light from the display light source is irradiated through the light diffusing lens, it is possible to check the lighting state (illuminance state) of the lighting device from any direction, thereby preventing operational errors by doctors and assistants. Can do.

  Further, since the mode switching means is a non-contact switch, the mode can be switched without touching a switch that needs to be frequently switched, and there is an advantage that it is advantageous in terms of hygiene.

  According to the present invention, at least two illuminances in the treatment mode and at least three illuminances can be switched between the composite mode, and display means for displaying the state of each of the three modes is provided from any of the illuminators. It was placed at a position that could be recognized from the direction.

Hereinafter, an embodiment of a mode display device (when applied to dentistry) of a medical illuminator according to the present invention will be described with reference to FIGS.
1 and 2 show a front view and a side view of the whole. 1 is, for example, an L-shaped stand that is erected from a device equipped with a device used by a spit-on ball or an assistant, and 2 is the stand. A balance arm 3 that is pivotally supported at one end at the front end of the horizontal portion of the rod 1 so as to be rotatable about a vertical axis as a fulcrum, and 3 is rotatable at the other end of the balance arm 2 with a horizontal axis as a fulcrum. As an attached yoke, the yoke 3 is composed of a yoke joint 3a pivotally supported by the balance arm 2 and a yoke body 3b formed to be rotatable with respect to the yoke joint 3a.

  The yoke body 3b is formed with a semi-arc-shaped arm 3c extending obliquely downward, and a bracket frame (not shown) is attached to the arm 3c so as to be rotatable about a horizontal axis. The lighting device 4 is fixed to the bracket frame. A handle 4a is fixed to both the left and right sides of the lighting device 4. By operating the handle 4a, the lighting device 4 can be displaced in the horizontal direction, the vertical direction, and the left / right direction by the above-described shaft portions. Thereby, it is possible to direct the emitted light radiated | emitted from the illuminating device 4 to a patient's mouth. Reference numeral 4b denotes a bracket cover that covers the back surface of the bracket frame.

  Below the bracket frame, a non-contact switch that is the mode switching means 5 or a toggle switch that is operated by hand is attached, and switching from the medical care (such as dental caries treatment) state to the composite state by switching the mode switching means 5. Alternatively, the reverse switching is performed. As the non-contact switch, for example, the infrared ray from the infrared LED is reflected by a human body (palm) and the reflected infrared ray is detected to switch the switch.

  Next, the details of the mode display device 6 which is the main part of the present invention will be described with reference to FIGS. The mode display device 6 is attached to the lower portion of the yoke body 3b. The mode display device 6 receives the light from the display light source 61a, the substrate 61 to which the display light source is attached, and the display light source 61a. The light diffusing lens 62 is made of acrylic resin or the like that diffuses and radiates to the outside.

  The display light source 61a is a pair of LEDs, such as a chip-type LED, and each LED is a composite LED that emits orange and green light, and the display light source 61a is turned on / off. Or the lighting circuit for making it blink is mounted. The pair of display light sources may be lit with only one color of orange and green, respectively, and the color is a color such as blue other than orange and green, or red, green, blue, etc. It may be a mixed color.

  Illumination switching means 63 such as a momentary switch for lighting the display light source 61a in orange or green is mounted on the substrate 61 in the medical care mode. Then, the substrate 61 and the light diffusion lens 62 are integrated into the yoke body 3b in an integrated state by means such as screwing, and the light diffusion lens 62 is exposed at the lower end of the yoke body 3b in the integrated state. It has become. In addition, the illuminance switching means 63 protrudes downward through the central portion of the light diffusion lens 62.

  The light diffusing lens 62 is formed with a lens portion 62a for diffusing light from the display light source 61a in the circumferential direction at a position facing the display light source 61a in an integrated state with the substrate 61. In addition, the reflection diffusion surface 62b is formed on the peripheral surface and the rough surface.

  A hook-like cap 64 made of a flexible material such as rubber is detachably attached to the lower surface of the light diffusing lens 62. By pushing the cap 64 from below, the operation portion 63a of the illuminance switching means 63 is pushed. Thus, the H-state lamp is switched to the L-state, the L-state lamp is switched to the H-state, and the light emission color of the lit display light source 61a is changed from green to orange. Or it can be switched from orange to green.

Next, a control circuit for controlling the lighting of the display light source 61a in the mode display device 6 will be described with reference to the block diagram of FIG. The control circuit is incorporated in, for example, a doctor table on the dental unit side.
63a is an illuminance switching means which is a push switch for switching the illuminance in the above-mentioned medical care mode, 5 is a mode switching means which is a non-contact switch and a toggle switch, 71 is incorporated in a doctor table which is a dental unit, etc. Unit-side operation switch for handling the power on / off and the same as the mode switching means, 72 for controlling various switches provided on the unit side (for example, up and down of the treatment chair, undulation of the backrest, etc.) A unit that determines from the switch that the unit-side operation switch 71 has been operated and sends a signal indicating that the power source has been turned on or off or the mode switching means has been operated to a signal processing circuit 73, which will be described later. It is a side control part.

  73 is a microcomputer signal processing circuit that performs operation control according to the flowcharts shown in FIGS. 6 to 8, 74 is a lighting circuit incorporated in the substrate 61 on which the display light source 61a is mounted, and 61a is the display light source 61a. Then, lighting (green, orange) and blinking are controlled via the lighting circuit 74 by the signal from the signal processing circuit 73 described above. Although not shown, the unit is provided with an original power switch for turning on / off the power of the control circuit.

Next, the operation of the block diagram will be described with reference to FIGS.
First, the display switching operation in the power-on state in FIG. 6 will be described.
The signal processing circuit 73 determines whether or not the main power source is turned on, and if there is a display light source 61a that is turned on when it is determined that the main power source is not turned on, the display light source 61a (hereinafter simply referred to as LED 61a) is extinguished, and even in the extinguished state, the process returns to step S1 and continues to monitor whether or not the original power is turned on (step S1).

  If it is determined in the above determination that the main power source has been turned on, the illuminance of the lamp in the lighting device 4 when the main power source was shut off last time is stored in the signal processing circuit 73. The signal processing circuit 73 determines whether or not it is H (step S3). If it is determined that it is H, the green LED 61a is turned on (step S4). If it is determined that it is L, the orange LED 61a is turned on (step S4). S5).

Next, the operation of switching the illuminance switching means 63 and switching the illuminance of the lamp 41 for the treatment in the medical care mode in a state where the above-described original power supply is turned on will be described with reference to FIG.
First, the signal processing circuit monitors whether or not the illuminance switching means 63, which is a momentary switch, has been operated. If it is determined that the operation has not been performed, the monitoring is continued until the illuminance switching means 63 is operated (step S11).

  When it is determined that the illuminance switching means 63 is operated in the monitoring, it is determined whether the illuminance of the lamp in the previous illumination device 4 was set to H (green LED is lit) (step S12). If it is H, the illuminance of the lamp is switched to L and the orange LED is turned on (step S13). If it is determined in the determination that the illuminance of the lamp is not H, the illuminance of the lamp is switched to H. At the same time, the green LED is turned on (step S14).

Next, the mode switching (from the medical mode to the composite mode or vice versa) and the blinking control of the lamp of the illumination device will be described with reference to FIG. 8 by bringing the hand close to the mode switching means 5 which is a non-contact switch.
When it is determined that the hand has approached the mode switching means 5 that is a non-contact switch, the signal processing circuit 73 determines whether or not the approaching time is shorter than a preset time (step S21). When it is determined that the time is shorter than the above time, the signal processing circuit 73 determines that the lamp on / off control is performed in the lighting device 4, and is turned off when the lamp is in the on state, and is turned on when the lamp is in the off state. (Step S22). In this state, only the lamp is turned on / off, and the display light source 61a is maintained in the state where the mode is switched.

  If it is determined that the time during which the hand can be approached is longer than the set time, the signal processing circuit 73 determines whether or not the previous lighting state of the lamp was the lighting state of H (LED green lighting). (Step S23) If it is determined that it is not H, the orange LED is switched to the blinking operation indicating the composite mode and the lamp is switched to LL which is the composite mode (Step S25). The LED is switched to the blinking operation indicating the composite mode, and the lamp is switched to LL which is the composite mode (step S26).

  In the above operation, the lamp on / off control is performed according to the time when the hand is brought close to the non-contact switch which is the mode switching means 5, and the switching from the medical mode to the composite mode or the reverse switching is performed. This operation can also be performed by a unit side operation switch provided in the unit. When the operation is switched by the unit side operation switch as described above, the non-contact switch as the mode switching means 5 may be replaced with a toggle switch.

  In the above-described embodiments, the dental mode display device has been described. However, in other medical treatments, for example, medical treatments and treatments in obstetrics and gynecology, urology, etc., the treatment affected part and the work site of the doctor are illuminated. It can also be applied to things.

It is a front view which shows the whole medical illuminating device. It is a side view same as the above. It is a perspective view which shows the principal part of the mode display apparatus of this invention. It is sectional drawing same as the above. It is a block diagram which shows the control circuit of a mode display apparatus. It is a flowchart which shows the display switching operation | movement by a power-on state. It is a flowchart which shows the display switching operation | movement by an illumination intensity switching means. It is a flowchart which shows the mode switching operation | movement by a mode switching means.

Explanation of symbols

4 Lighting device 5 Mode switching means (non-contact switch)
6 Mode display device 61a Light source for display (LED)
62 Light diffusing lens 63 Illuminance switching means

Claims (7)

A light source for display such as a light emitting diode that emits at least two colors is arranged at a position where it can be seen from any direction in an illuminating device for illuminating a treatment site at the time of medical examination, Depending on the difference, the display light source is selectively lit to display the brightness in the medical mode, and in the composite mode, the display light source in the lit state is blinked to indicate that it is in the composite mode. A method for displaying a mode of a medical illuminator, characterized by comprising: It is characterized in that it is possible to determine whether or not the power is on by turning off the light source for display when the lamp is not turned on and the control circuit is not energized. The mode display method of the medical illuminator according to claim 1. An illuminating device for illuminating the treatment site at the time of medical treatment, a light source for display such as a light emitting diode that emits at least two colors mounted at a position where it can be seen from any direction, and an operation at the time of medical treatment mode Illuminance switching means for selecting and lighting the display light source in order to make the illuminance different, mode switching means for switching from the medical care mode to the composite mode, and flashing the lighting light source for lighting, and the illuminance switching means A mode of a medical illuminator comprising: a control circuit for selecting and turning on the display light source by the operation and blinking the display light source being turned on by the mode switching means Display device. 4. The circuit configuration according to claim 3, wherein when the main power supply is shut off and the control circuit is not energized, the display light source is not energized. 5. Mode display device for medical lighting. The display light source is housed in a lower end of a yoke for attaching a lighting device, and a light diffusion lens for uniformly emitting light from the display light source is disposed to face the display light source. 4. The mode display device for a medical illuminator according to claim 3, wherein the illuminance switching means is attached to a substrate on which a display light source is attached. 4. The mode display device for a medical illuminator according to claim 3, wherein the mode switching means is a non-contact switch. The mode display device for a medical illuminator according to claim 3, wherein the mode switching means is arranged on a lower surface side of a bracket frame for mounting a mirror in the illumination device.

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