JP4272018B2 - Mode display device for medical lighting - Google Patents

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. It is related with the mode display apparatus of the medical illuminator which can know the treatment mode by seeing the mode display means attached to the illuminator from the outside by clearly displaying the display state of the illuminance at the time of treatment.

  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 the 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 further, the illuminance can be changed 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. The purpose is to provide a mode display device for a medical illuminator that can be grasped.

The mode display device of the medical illuminator according to the present invention is intended to achieve the above-described object, and the means of claim 1 includes an illuminating device that can be displaced to a position for illuminating the affected area during medical treatment, and a doctor or an assistant. A display light source mounted in the vicinity of an illuminating device that can be visually observed and mounted with a light emitting diode that emits at least two colors, and an illuminance switch that switches between lighting at low illuminance and lighting at high illuminance means and the illuminating device switches between care mode and a composite mode, when the illumination device in practice mode is lit composite mode for lighting the lighting device at a lower intensity than the low illuminance during the practice mode A mode switching means for switching to illuminance, and selecting and lighting one of the display light sources by operating the illuminance switching means, and the mode switching means Operated by characterized by comprising a control circuit for blinking the display light source.

According to a second aspect of the present invention, in the first aspect, the display light source is attached to a substrate housed at a lower end of a yoke that rotatably mounts the illumination device in a horizontal direction, and the substrate is attached to the substrate. The illuminance switching means is attached, and a light diffusion lens for diffusing light from the display light source and radiating it to the outside is attached to the yoke .

According to a third aspect of the present invention, the power supply to the display power supply is cut off when the power supply to the control circuit is cut off by turning off the main power supply .

According to a fourth aspect of the present invention, in the first aspect, the mode switching unit is a non-contact switch, and when the non-contact switch detects a palm equal to a time shorter than a preset time, the lighting device Is turned on and off, and when the hand equality is detected for a time longer than the set time, the mode is switched to the composite mode.

It means according to claim 5, in claim 4 mentioned above, the mode switching means is characterized in that attached to the lower surface side of the lube racket frame put on 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, and the display is in the lighting state in the composite 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 confirming 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 it is 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.

  In addition, 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, which 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. 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 radiated light radiated | emitted from the illuminating device 4 to a patient's mouth. Reference numeral 41 denotes a lamp housed in the lighting device 4, and 4b denotes a bracket cover that covers the back surface of the bracket frame.

  Below the bracket frame, a non-contact switch which is the mode switching means 5 or a toggle switch which 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 an acrylic resin or the like that diffuses and radiates to the outside.

  The display light source 61a is a pair of LED such as a chip-type LED, and each LED is a composite type 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. 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 lighting display light source 61a is changed from green to orange. Or it is switched from orange to green.

Next, a control circuit for controlling 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.
63 is an illuminance switching means that is a push switch for switching the illuminance in the above-described medical care mode, 5 is a mode switching means that is a non-contact switch and a toggle switch, and 71 is incorporated in a doctor table that is a dental unit. Unit-side operation switch for handling the power on / off and 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 the illuminance switching means 63 is operated is momentary switch, if it is determined that the operation is not performed continues to monitor until illuminance switching means 63 is operated ( Step S11).

  If it is determined that the illuminance switching means 63 has been operated in the monitoring, it is determined whether the illuminance of the lamp in the previous lighting 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 care mode to the composite mode or vice versa) and the blinking control of the lamp of the illuminating device will be described with reference to FIG. 8 by approaching 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.

When the time hand is brought close is determined to longer than the time the setting, the signal processing circuit 73 or the lighting state whether was (LED green lights) the lighting state of the lamp is H in the previous If it is determined (step S23), if 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 S2 4 ). The green LED in the middle is switched to the blinking operation indicating the composite mode, and the lamp is switched to LL which is the composite mode (step S2 5 ).

  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 (5)

An illuminating device that can be displaced to a position for illuminating the affected area during medical treatment;
A light source for display that is attached in the vicinity of a lighting device that can be seen by a doctor or assistant, and that is attached with a light emitting diode that emits at least two colors;
Illuminance switching means for switching between lighting at low illuminance and lighting at high illuminance for the lighting device;
A mode in which the lighting device is switched between a medical mode and a composite mode, and when the lighting device is in a lighting state in the medical mode, the lighting device is switched to a composite mode in which the lighting device is turned on with an illuminance lower than a low illuminance in the medical mode. Switching means;
A control circuit for selecting and lighting one of the display light sources by operation of the illuminance switching means, and for blinking the display light source by operation of the mode switching means;
A mode display device for a medical illuminator characterized by comprising:   The light source for display is attached to a substrate accommodated at a lower end of a yoke for rotatably attaching the illumination device in a horizontal direction, and the illuminance switching means is attached to the substrate, and the yoke is attached to the yoke. 2. The mode display device for a medical illuminator according to claim 1, further comprising a light diffusing lens that diffuses light from the display light source and emits the light to the outside.   2. The mode display device for a medical illuminator according to claim 1, wherein when the energization to the control circuit is interrupted by turning off the main power supply, the energization to the display power supply is interrupted. The mode switching means is a non-contact switch, and when the non-contact switch detects hand equality for a time shorter than a preset time, it controls on / off of the lighting device, and a time longer than the set time. 2. The mode display device for a medical illuminator according to claim 1, wherein the mode is switched to the composite mode when hand equality is detected.   The mode display device for a medical illuminator according to claim 4, wherein the mode switching means is attached to a lower surface side of a bracket frame in the illumination device.

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