JP6778452B1 - Dental treatment unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dental treatment unit which suppresses a situation in which droplets from a patient's oral cavity and an aerosol containing the droplets diffuse and stay in a treatment space as much as possible in dental treatment. SOLUTION: A reflecting mirror is provided behind a light source lamp, the light from the light source lamp is reflected by the reflecting mirror and projected forward, and the oral cavity of a patient seated in the dental treatment chair is irradiated with a light beam. The surgical light 20 and the air tube 60 arranged in the headrest so as to surround the head of a patient who is seated in the dental treatment chair and undergoing dental treatment, and the air circulating in the air tube is air. An air tube having a plurality of outlets 61 for blowing out of the tube and configured such that an air flow from the back of the head side to the face side of the patient is formed by the air blown from the outlet, and the air tube. A suction device that sucks a predetermined fluid containing air blown out from the outlet, and the suction port 71 is arranged in the shadowless lamp. [Selection diagram] FIG. 7

Description

The present invention relates to a dental treatment unit.

Patent Document 1 discloses a sterilization tube that sterilizes bacteria in the oral cavity of a patient in dental treatment, and also sterilizes dust and bacteria floating in or near the oral cavity and sucks and exhausts them. According to this technique, the intake port provided at the tip of the sterilization tube is arranged in a shadowless lamp or the like provided in the dental treatment unit. Then, the surgical light or the like on which the intake port of the sterilization tube is arranged is attracted to the vicinity of the patient, so that dust and bacteria floating in the mouth of the patient are sucked.

Patent Document 2 discloses a configuration in which a vacuum tube is freely pulled out from a work table in a dental treatment unit. According to this technique, the intake port of the vacuum tube is pulled out from the work table to the vicinity of the patient, so that the contaminated air near the patient's oral cavity is taken in and discharged.

Japanese Unexamined Patent Publication No. 5-049681 Japanese Unexamined Patent Publication No. 7-031634

According to the dental treatment unit provided with the sterilization tube shown in Patent Document 1, the intake port of the sterilization tube is arranged by the dental treatment practitioner or assistant in order to suck the dust and bacteria floating in the mouth of the patient. It is necessary to draw a shadowless lamp or the like close to the patient. Here, if the surgical light or the like is moved together with the intake port of the sterilization tube, the operation by the dental treatment practitioner is hindered. That is, according to this technique, dust and bacteria floating in the mouth of the patient cannot be sucked during the operation by the practitioner. If the number of times the dust and bacteria floating in the patient's mouth are sucked is reduced because the practitioner dislikes the fact that the treatment is hindered, the dust and bacteria are likely to diffuse and stay in the treatment space. ..

Further, according to the dental treatment unit shown in Patent Document 2, in order to inhale and discharge the contaminated air near the patient's oral cavity, the dental treatment practitioner or assistant moves the intake port of the vacuum tube close to the patient. It is necessary to pull it out, which puts a burden on the practitioner of dental treatment. Further, even if the intake port of the vacuum tube is pulled out near the patient by the assistant during the treatment by the practitioner, the intake port is located near the practitioner's hand, so that the practitioner There may be situations where the procedure has to be interrupted. On the other hand, if the intake port of the vacuum tube is pulled out at a position where the operation by the practitioner is not easily hindered, the contaminated air near the patient's oral cavity cannot be sufficiently inhaled and discharged, and the contaminated air enters the treatment space. It becomes easy to diffuse and stay.

Further, in order to inhale and exhaust the contaminated air near the patient's oral cavity without diffusing it, it is conceivable to cover the patient's face with a shield to inhale and exhaust the air in the shield, but near the practitioner's hand. Since the shield is located in, there is a risk that the practitioner's operation will be hindered. In addition, the light of the surgical light is reflected by the shield, which may obstruct the view of the practitioner or induce eye strain of the practitioner.

An object of the present invention is to prevent a situation in which droplets from the patient's oral cavity and aerosols containing the droplets diffuse and stay in the treatment space as much as possible without interfering with the treatment of dental treatment. There is.

The dental treatment unit disclosed in the present application is a dental treatment chair on which a patient sits, and has a dental treatment chair having a headrest provided on the upper part of a backrest and a reflection mirror behind the light source lamp, and is provided from the light source lamp. A surgical light that reflects light by the reflection mirror and projects it forward to irradiate the oral cavity of the patient sitting in the dental treatment chair with a light beam, and the head of the patient sitting in the dental treatment chair and receiving dental treatment. An air tube arranged on the headrest so as to surround the portion, having a plurality of outlets for blowing out the air flowing in the air tube to the outside of the air tube, and the air blown out from the outlet of the patient. An air tube configured to form an air flow from the back of the head side to the face side, and a suction device that sucks a predetermined fluid including air blown out from the outlet of the air tube. A suction device having a mouth arranged in the surgical light is provided.

According to the disclosure of the present application, it is possible to suppress a situation in which droplets from the patient's oral cavity and aerosols containing the droplets in the dental treatment diffuse and stay in the treatment space without interfering with the treatment of the dental treatment. be able to.

It is a figure for demonstrating the dental treatment unit which concerns on 1st Embodiment. It is a figure for demonstrating the arrangement of the suction port to a shadowless lamp. It is the first figure for demonstrating attachment / detachment of a suction port with respect to a vacuum hose. It is a 2nd figure for demonstrating attachment / detachment of a suction port with respect to a vacuum hose. It is the first figure for demonstrating the arrangement of an air tube to a headrest. It is a 2nd figure for demonstrating the arrangement of an air tube to a headrest. FIG. 1 is a first diagram for explaining an example in which a predetermined fluid including air blown out from an air outlet of an air tube is sucked by a suction port of a suction device. FIG. 2 is a second diagram for explaining an example in which a predetermined fluid including air blown out from an air outlet of an air tube is sucked by a suction port of a suction device. FIG. 5 is a flowchart of a process performed by the control device in the second embodiment to control the supply of air to the air tube and the operation of the suction device. FIG. 5 is a flowchart of a process performed by the control device in the modified example of the second embodiment for controlling the supply of air to the air tube and the operation of the suction device.

In the disclosure of the present application, the dental treatment unit is a dental treatment chair, a shadowless lamp, an air tube arranged on the headrest of the dental treatment chair, and a suction device whose suction port is arranged on the shadowless lamp to suck a predetermined fluid. And. According to such a configuration, the oral cavity of the patient seated in the dental treatment chair is irradiated by the light flux from the surgical light. Further, on the headrest of the dental treatment chair, an air tube is arranged so as to surround the head of a patient who is seated in the dental treatment chair and is undergoing dental treatment. Here, a known flexible tube can be used as the air tube, and the shape of the air tube surrounding the patient's head can be adjusted according to the size of the patient's head. Such air tubes may be arranged along the upper side surface and the left and right side surfaces of the headrest. In this case, the upper and lateral sides of the patient's head will be surrounded by the air tube. Further, the air tube may be arranged so that the tube branched from the form arranged as described above passes under the patient's jaw. In this case, the upper, lateral and lower parts of the patient's head will be surrounded by the air tube. Then, air from a compressor or the like is supplied to the air tube, and a plurality of outlets are formed to blow out the air flowing through the air tube to the outside of the air tube. Further, the air tube is configured so that the air blown out from the outlet forms an air flow from the occipital side to the facial side of the patient. Then, an air curtain is formed so as to surround the head of the patient who is sitting in the dental treatment chair and undergoing dental treatment, and the droplets from the patient's oral cavity and the aerosol containing the droplets in the dental treatment are released. The inside of the air curtain (the side where the patient's head is located) can be easily fastened. Further, according to such an air curtain, an object that interferes with the treatment operation is not located near the practitioner's hand. Therefore, the practitioner can smoothly proceed with the dental treatment.

Then, in the dental treatment unit disclosed in the present application, a predetermined fluid containing air blown out from the outlet of the air tube is sucked from the suction port of the suction device. Here, the predetermined fluid is a fluid containing air blown out from the outlet of the air tube, droplets from the oral cavity of the patient in dental treatment, and an aerosol containing the droplets. As described above, since the suction port of the suction device is arranged in the shadowless lamp, the suction port does not hinder the operation by the practitioner. In addition, the above-mentioned aerosol or the like is sucked together with the air from the outlet of the air tube, and a shadowless lamp (a suction port is arranged in the shadowless lamp) is used for illuminating the patient's oral cavity. By being arranged substantially in front of the patient, it is possible to suitably aspirate droplets from the patient's oral cavity in dental treatment and an aerosol containing the droplets. Therefore, the situation in which the above-mentioned aerosol or the like diffuses and stays in the treatment space is suppressed as much as possible.

As described above, according to the dental treatment unit disclosed in the present application, droplets from the patient's oral cavity and aerosol containing the droplets in the dental treatment diffuse and stay in the treatment space without interfering with the dental treatment operation. It is possible to suppress the situation as much as possible.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. The configuration of the following embodiments is an example, and the disclosure of the present application is not limited to the configuration of the embodiment.

<First Embodiment>
The dental treatment unit according to the first embodiment will be described with reference to FIG. FIG. 1 is a diagram for explaining a dental treatment unit according to the present embodiment. The dental treatment unit 1 according to the present embodiment includes a dental treatment chair 10 in which a patient undergoing dental treatment sits, a surgical light 20 that irradiates the oral cavity of the patient seated in the dental treatment chair 10, and an instrument holder. A pedestal having an instrument 31 housed in the 30 and a spitton 40, a vacuum device for sucking excrement and the like excreted in the spitton 40, and a compressor for supplying compressed air and the like to the instrument 31. A section 50, an air tube 60 arranged so as to surround the head of a patient who is seated in a dental treatment chair 10 and undergoing dental treatment, and a suction device 70 whose suction port 71 is arranged in a surgical light 20. , Equipped with.

The dental treatment chair 10 is a known dental treatment chair having a seating portion 11, a backrest portion 12, and a headrest 13. The patient will be seated on the seating portion 11 of the dental treatment chair 10, and the upper body will be fixed to the backrest portion 12 and the headrest 13 to receive dental treatment. For such a patient, the practitioner pulls out the instrument 31 from the instrument holder 30 to perform dental treatment. Here, the instrument 31 is connected to a compressor built in the pedestal portion 50 by an instrument hose 32, and compressed air or the like from the compressor is supplied to the instrument 31 via the instrument hose 32. Will be done. The supply of compressed air or the like to the instrument 31 is controlled by the operation of the foot pedal by the practitioner, and the practitioner can adjust the rotation speed of the air turbine by, for example, operating the foot pedal. In addition, since dust caused by dental treatment is likely to diffuse into the oral cavity of the patient, the patient can gargle at a predetermined frequency and excrete the excrement or the like to the spitton 40.

In addition, the oral cavity of the patient undergoing dental treatment is irradiated by the surgical light 20. Here, the shadowless lamp 20 has a reflection mirror behind the light source lamp, and the light from the light source lamp is reflected by the reflection mirror and projected forward to the oral cavity of the patient seated in the dental treatment chair 10. It irradiates a light source. As the light source lamp, a known configuration such as an LED can be used. The surgical light 20 is configured so that its arrangement can be moved by the linear motion or rotational motion of the connected arm 21, and the practitioner can irradiate the surgical light 20 according to the treatment action. Can be adjusted.

Then, the suction port 71 of the suction device 70 is arranged in the shadowless lamp 20. Here, the suction device 70 is a device for sucking droplets from the oral cavity of a patient in dental treatment and aerosols containing the droplets, and connects the suction port 71 and a known extraoral vacuum 73. It is configured to have a vacuum hose 72. A wet and dry vacuum cleaner may be used instead of the extraoral vacuum 73. Further, the vacuum hose 72 is fixed to the arm 21 supporting the shadowless lamp 20 by a binding band or the like, and linearly or rotationally moves integrally with the arm 21. Therefore, in the present embodiment, the vacuum hose 72 is formed in a bellows shape, and the smooth movement of the vacuum hose 72 is realized.

Here, FIG. 2 is a diagram for explaining the arrangement of the suction port 71 on the shadowless lamp 20. FIG. 2A shows a perspective view of the shadowless lamp 20 in which the suction port 71 is arranged, and FIG. 2B shows a view seen from the arrow b in FIG. 2A. According to FIG. 2, it can be seen that the suction port 71 is arranged so as to surround the side surface of the shadowless lamp 20. Here, the suction port 71 of the present embodiment is divided into upper and lower parts, and the side surface of the shadowless lamp 20 is covered by the suction port 71 from the vertical direction. When the suction ports 71 are divided into upper and lower parts in this way, vacuum hoses 72 connected to the suction ports 71 are provided corresponding to the suction ports 71. It should be noted that there is no intention of limiting the configuration in which the suction port 71 is arranged so as to surround the side surface of the shadowless lamp 20, and the suction port 71 is arranged in the shadowless lamp 20 so that aerosol or the like can be sucked from the suction port 71. If so, the mode does not matter. Further, as described above, since the arrangement of the shadowless lamp 20 is movable, the arrangement of the suction port 71 arranged in the shadowless lamp 20 is also moved together with the shadowless lamp 20. Therefore, the practitioner can suck the aerosol or the like existing around the patient by, for example, pulling the surgical light 20 close to the patient. The vacuum hose 72 may be provided with a known sterilization / disinfection device for killing a virus or the like.

FIG. 3 is a first diagram for explaining attachment / detachment of the suction port 71 to / from the vacuum hose 72. As shown in FIG. 3, the suction port 71 is configured to be detachable from the vacuum hose 72. Specifically, an adapter 74 is provided at the end of the vacuum hose 72 on the shadowless lamp 20 side, and the end of the suction port 71 on the vacuum hose 72 side is inserted into the adapter 74 to allow the suction port to be inserted. The 71 is configured to be detachable from the vacuum hose 72. According to such a configuration, the suction port 71 can be exchanged for each patient, and the treatment space can be kept clean. The suction port 71, which can be replaced in this way, can be used again by disinfecting it with alcohol or the like.

Further, FIG. 4 is a second diagram for explaining attachment / detachment of the suction port 71 to / from the vacuum hose 72. The suction device 70 shown in FIG. 3 is provided with a vacuum hose 72 and an adapter 74 for each of the upper and lower suction ports 71, and the suction device 70 according to the present embodiment is shown in FIG. 4 (a). ), The vacuum hose 72 and the adapter 74 may be provided at positions corresponding to any of the upper and lower suction ports 71. Further, in the suction device 70 according to the present embodiment, as shown in FIG. 4B, the suction ports 71 may be integrally formed vertically. In this case, the integrally formed suction port 71 is attached from the front of the shadowless lamp 20.

An air tube 60 is arranged on the headrest 13. As described above, the air tube 60 is arranged so as to sit on the dental treatment chair 10 and surround the head of the patient undergoing dental treatment. Here, FIG. 5 is a first diagram for explaining the arrangement of the air tube 60 on the headrest 13. 5 (a) shows a perspective view of the headrest 13 in which the air tube 60 is arranged, FIG. 5 (b) shows a view seen from an arrow b in FIG. 5 (a), and FIG. 5 (c) shows a view. , The figure seen from the arrow c in FIG. 5 (a) is shown. The arrow b refers to the surface of the headrest 13 to which the patient's head is fixed, and the arrow c refers to the surface behind the headrest 13. Then, according to FIG. 5, it can be seen that the air tube 60 is arranged so as to surround the side surface of the headrest 13. As a result, the air tube 60 is arranged so as to sit on the dental treatment chair 10 and surround the head of the patient undergoing dental treatment. A known flexible tube can be used for the air tube 60. According to this, the shape of the air tube 60 surrounding the patient's head can be adjusted according to the size of the patient's head.

Here, as shown in FIG. 5 (b), when the headrest 13 is viewed from the arrow b in FIG. 5 (a), the surface of the air tube 60 arranged so as to surround the side surface of the headrest 13 has a plurality of surfaces. The outlet 61 of the above is formed. By forming the air outlet 61 in the air tube 60 in this way, the air flowing through the air tube 60 is blown out of the air tube 60 from the air outlet 61. Then, in the present embodiment, two rows of outlets 61 configured to surround the side surface of the headrest 13 are formed on the side closer to the headrest 13 and the side far from the headrest 13, and the periphery of the headrest 13. In, the outlets 61 of each row are provided alternately. Further, the air tube 60 in which such a plurality of outlets 61 are formed can be fixed to the headrest 13 by the support member 62 and the fixing member 63. As shown in FIG. 5C, the fixing member 63 is fixed to the back surface of the headrest 13, and the air tube 60 is supported by a plurality of supporting members 62 connected to the fixing member 63. Here, as the support member 62, a known string-shaped elastic body or tape-shaped elastic body can be used. Further, as the fixing member 63, a known surface fastener or the like can be used. There is no intention of limiting the fixing of the air tube 60 to the headrest 13, and any type of air tube 60 can be used as long as it can be fixed to the headrest 13.

Further, FIG. 6 is a second diagram for explaining the arrangement of the air tube 60 on the headrest 13. As shown in FIG. 6, two air tubes 60 may be arranged so as to surround the side surface of the headrest 13. According to this, it is possible to more preferably form an air flow from the back of the head side to the face side of the patient due to the air blown out from the air outlet 61 of the air tube 60, which will be described later.

Here, as a result of diligent studies, the present inventor has formed an air flow from the back of the head side of the patient to the side of the face by the air blown out from the outlet 61 of the air tube 60, and the blow of the air tube 60. By sucking a predetermined fluid containing air blown out from the outlet 61 from the suction port 71 of the suction device 70, the droplets from the patient's oral cavity and the aerosol containing the droplets in the dental treatment are not hindered. It was found that can be preferably sucked. This will be described with reference to FIG.

FIG. 7 is a first diagram for explaining an example in which a predetermined fluid containing air blown out from an air outlet 61 of an air tube 60 is sucked by a suction port 71 of a suction device 70. According to FIG. 7, it can be seen that the air blown from the air outlet 61 of the air tube 60 forms an air flow from the back of the patient's head to the face. Then, an air curtain is formed so as to surround the head of the patient sitting on the dental treatment chair 10 and undergoing dental treatment. When the air curtain is formed in this way, droplets from the patient's oral cavity in dental treatment and aerosols containing the droplets tend to stay inside the air curtain, that is, on the side where the patient's head exists. Become. In other words, droplets from the patient's oral cavity and aerosols containing the droplets are less likely to diffuse to the outside of the air curtain. Further, according to such an air curtain, no object that interferes with the treatment operation is located near the practitioner's hand. Therefore, the practitioner can smoothly proceed with the dental treatment. In order to prevent the practitioner's face from being exposed to the air blown from the air outlet 61 of the air tube 60, the practitioner may cover his / her face with a known face guard. Further, for supplying air to the air tube 60, a compressor that supplies compressed air to the instrument 31 may be used, or a dedicated compressor may be used.

Then, the air curtain formed by the air blown out from the air outlet 61 of the air tube 60 is sucked from the suction port 71 of the suction device 70. Here, as described above, droplets from the patient's oral cavity and aerosols containing the droplets are likely to stay inside the air curtain. Therefore, the fluid containing the air blown out from the air outlet 61 of the air tube 60 and the above-mentioned aerosol and the like is sucked from the suction port 71. According to this, droplets from the patient's oral cavity in dental treatment and aerosols containing the droplets can be suitably sucked, so that the aerosol and the like can diffuse and stay in the treatment space. It is suppressed.

The air tube 60 may be arranged so that the tube branched from the form shown in FIG. 7 above passes under the jaw of the patient. Here, FIG. 8 is a second diagram for explaining an example in which a predetermined fluid including air blown out from the air outlet 61 of the air tube 60 is sucked by the suction port 71 of the suction device 70. According to FIG. 8, it can be seen that the upper part, the lateral side and the lower part of the patient's head are surrounded by the air tube 60. According to this, an air curtain is also formed below the patient's head. Therefore, it is possible to more preferably suppress the situation where droplets from the patient's oral cavity and the aerosol containing the droplets are diffused to the outside of the air curtain, and it is possible to more preferably suck the aerosol and the like.

As described above, according to the dental treatment unit disclosed in the present application, droplets from the patient's oral cavity and aerosol containing the droplets in the dental treatment diffuse and stay in the treatment space without interfering with the dental treatment operation. It is possible to suppress the situation as much as possible.

<Second embodiment>
The second embodiment will be described with reference to FIG. The dental treatment unit 1 according to the present embodiment includes a control device in addition to the configuration of the first embodiment described above. The control device is a device that controls the supply of air to the air tube 60 and the operation of the suction device 70 based on the operating state of the instrument 31, and is an electronic control unit composed of a CPU, RAM, ROM, and the like. Has. The CPU is an arithmetic processing unit and executes each process shown in FIG. 9 to be described later. The RAM is a memory in which a program executed by the CPU and data used by the control program are expanded. The ROM is a device that stores a program executed by the CPU and data used by the control program. In this embodiment, a dedicated compressor can be used to supply air to the air tube 60. In addition, in order to suck the droplets from the patient's oral cavity and the aerosol containing the droplets generated in the dental treatment using the instrument 31, the control device at least when the instrument 31 is operating, air. A dedicated compressor for supplying air to the tube 60 is operated, and an extraoral vacuum 73 for sucking a predetermined fluid containing the air is operated.

FIG. 9 is a flowchart of a process performed by the control device in the present embodiment to control the supply of air to the air tube 60 and the operation of the suction device 70. First, in S101, the operating state of the instrument 31 is acquired. The control device can acquire the operating state of the instrument 31, for example, by acquiring a detection signal from a sensor that detects the operation of the foot pedal by the practitioner. Further, the control device is provided in, for example, a compressor that supplies compressed air or the like to the instrument 31, and by acquiring a detection signal from a sensor that detects the operating state of the compressor, the operating state of the instrument 31 May be obtained. Then, when the processing of S101 is completed, the process proceeds to S102.

In S102, it is determined whether or not the operation of the instrument 31 is completed based on the operating state of the instrument 31 acquired in the process of S101. Then, if an affirmative determination is made in S102, the process proceeds to S103, and if a negative determination is made in S102, the process returns to S101.

If an affirmative decision is made in S102, then in S103, the elapsed time after the operation of the instrument 31 is completed is acquired. Then, in S104, it is determined whether or not a predetermined time has elapsed since the operation of the instrument 31 was completed, based on the elapsed time acquired in the process of S103. Here, the above-mentioned predetermined time is the time required to suck the droplets from the patient's oral cavity and the aerosol containing the droplets from the suction port 71 of the suction device 70 in the dental treatment using the instrument 31. Based on, it is predetermined. Then, if an affirmative determination is made in S104, the process proceeds to S105, and if a negative determination is made in S104, the process returns to S103.

If a positive determination is made in S104, then in S105, the supply of air to the air tube 60 and the operation of the suction device 70 are terminated. The control device can end the supply of air to the air tube 60 by stopping the dedicated compressor that supplies air to the air tube 60. Further, the control device can end the operation of the suction device 70 by stopping the extraoral vacuum 73.

According to the treatment described above, the time for sucking the above-mentioned aerosol or the like generated in the dental treatment using the instrument 31 is secured. Therefore, as compared with the case where the air supply to the air tube 60 and the operation of the suction device 70 are terminated when the operation of the instrument 31 is terminated, the above-mentioned aerosol or the like diffuses and stays in the treatment space. The situation is suppressed as much as possible.

Further, even with the dental treatment unit described above, the situation in which the droplets from the patient's oral cavity and the aerosol containing the droplets in the dental treatment diffuse and stay in the treatment space without interfering with the dental treatment operation. It can be suppressed as much as possible.

<Modified example of the second embodiment>
A modified example of the second embodiment will be described with reference to FIG. FIG. 10 is a flowchart of a process performed by the control device in this modification to control the supply of air to the air tube 60 and the operation of the suction device 70. In each of the processes shown in FIG. 10, substantially the same processes as those shown in FIG. 9 above are designated by the same reference numerals, and detailed description thereof will be omitted.

In this modification, if a positive determination is made in the process of S104, then in S205, the supply of air to the air tube 60 is terminated. Then, after the processing of S205 is executed, that is, after the supply of air to the air tube 60 is terminated, the operation of the suction device 70 is terminated in S206.

According to such a process, the air from the air outlet 61 of the air tube 60 can be sucked from the suction port 71 of the suction device 70 without diffusing into the treatment space. Then, the droplets from the patient's oral cavity and the aerosol containing the droplets that stay inside the air curtain formed by the air from the air outlet 61 of the air tube 60 are also sucked by the suction device 70 without diffusing to the surroundings. It will be sucked from the mouth 71. Therefore, the situation in which the above-mentioned aerosol or the like diffuses and stays in the treatment space is suppressed as much as possible.

1 ... Dental treatment unit 10 ... Dental treatment chair 13 ... Headrest 20 ... Surgical light 60 ... Air tube 61 ... Air outlet 70 ... Suction device 71 ... Suction port

Claims (3)

A dental chair on which the patient sits, with a headrest at the top of the backrest, and a dental chair.
A shadowless lamp having a reflective mirror behind the light source lamp, reflecting the light from the light source lamp by the reflective mirror and projecting it forward, and irradiating the oral cavity of the patient seated in the dental treatment chair with a luminous flux.
Wherein a dental treatment chair seated on the first air tube disposed in the headrest so as to surround the head of a patient undergoing dental treatment, the second air flowing through the said first air tube A first configuration having a plurality of outlets blown from one air tube toward the surgical light, and the air blown from the outlets forms an air flow from the back of the head side to the face side of the patient . and an air tube,
A U-shaped air tube that is arranged so as to pass under the patient's jaw and has a U-shaped opening on the side of the back of the head, and blows air flowing through the air tube from the air tube toward the surgical light. A second air tube with multiple outlets and
Have,
The first air tube and the second air tube surround the upper, lateral and lower parts of the patient's head.
A suction device that sucks a predetermined fluid containing air blown out from the outlet of the first air tube and the second air tube , and the suction port is arranged in the shadowless lamp. ,
Equipped with a,
The suction port is vertically divided into a first suction port and a second suction port, and the side surface of the shadowless lamp is the first suction port in the upward direction and the first suction port in the downward direction. Covered with a second suction port,
A first vacuum hose connected to a first adapter provided at the end of the first suction port on the shadowless lamp side is provided corresponding to the first suction port.
A second vacuum hose connected to a second adapter provided at the end of the second suction port on the shadowless lamp side is provided corresponding to the second suction port.
Dental treatment unit. An instrument that is used for dental treatment of a patient seated in the dental treatment chair and is operated by a predetermined power.
A control device that controls the supply of air to the air tube and the operation of the suction device based on the operating state of the instrument, and after a lapse of a predetermined time from the end of the operation of the instrument, A control device that terminates the supply of air to the air tube and the operation of the suction device, and
The dental treatment unit according to claim 1, further comprising. The control device is
When the supply of air to the air tube and the operation of the suction device are terminated, the supply of air to the air tube is terminated first, and then the operation of the suction device is terminated.
The dental treatment unit according to claim 2.