WO2022049728A1 - 歯科診療椅子用衛生シールド及び歯科診療装置 - Google Patents

歯科診療椅子用衛生シールド及び歯科診療装置 Download PDF

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Publication number
WO2022049728A1
WO2022049728A1 PCT/JP2020/033619 JP2020033619W WO2022049728A1 WO 2022049728 A1 WO2022049728 A1 WO 2022049728A1 JP 2020033619 W JP2020033619 W JP 2020033619W WO 2022049728 A1 WO2022049728 A1 WO 2022049728A1
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WO
WIPO (PCT)
Prior art keywords
shield
headrest
joint
dental
arm
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Application number
PCT/JP2020/033619
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English (en)
French (fr)
Japanese (ja)
Inventor
哲也 山田
真司 松場
Original Assignee
タカラベルモント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by タカラベルモント株式会社 filed Critical タカラベルモント株式会社
Priority to JP2022546821A priority Critical patent/JPWO2022049728A1/ja
Priority to PCT/JP2020/033619 priority patent/WO2022049728A1/ja
Publication of WO2022049728A1 publication Critical patent/WO2022049728A1/ja

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—Parts, details or accessories

Definitions

  • This disclosure relates to a hygiene shield for a dental chair attached to a dental chair in a dental clinic, and a dental device to which the hygiene shield for the dental chair is attached.
  • a person to be treated lies on a dental clinic chair with the backrest tilted like a bed, and a dentist, a dental hygienist, etc. (hereinafter referred to as “the practitioner") perform the treatment.
  • the oral cavity is treated with the face close to the person's mouth.
  • cutting dust such as teeth scatters and the water ejected from the syringe splashes, so the practitioner sucks these cutting dust and splashed water droplets (hereinafter referred to as "dust, etc.”) with a vacuum. do.
  • the practitioner wears a mask to prevent virus infection due to dust and the like.
  • the practitioner wears a transparent face shield large enough to cover the entire face on his / her head as a countermeasure against the infectious disease.
  • the practitioner feels uncomfortable with the tightening and weight of the head by the face shield, and because the face shield has poor breathability, it becomes cloudy with the practitioner's sweat and breath, which hinders the treatment. ..
  • the face shield is displaced from the head, it is troublesome for the practitioner to correct the position of the face shield by himself, and when the practitioner manually corrects the position of the face shield, the practitioner puts it in the patient's oral cavity. If the touched hand touches its face, it can be infected with the virus.
  • Patent Document 1 the invention described in Patent Document 1 below (hereinafter referred to as "known invention in the literature") has a shielding plate and a vacuum that can be used independently in the vicinity of a dental chair. Since the invention known in the literature is moved by a caster or the like and the shielding plate and the vacuum are connected by a flexible hose or the like, the practitioner can use the shielding plate and the vacuum at any position. Therefore, it is possible to prevent the danger to the practitioner as described above.
  • the invention known in the literature may interfere with the treatment because it independently occupies the place in the vicinity of the dental chair. Further, since the shielding plate and the vacuum are arbitrarily arranged, they may be arranged at a position where it is difficult for the practitioner to perform the treatment depending on the path and the bending condition of the flexible hose.
  • This disclosure was proposed in view of the above circumstances. That is, it is an object of the present invention to provide a sanitary shield for a dental treatment chair and a dental treatment apparatus that do not interfere with the treatment and can prevent the infection of a virus due to dust or the like.
  • the sanitary shield for a dental clinic includes a support portion extending laterally from the headrest of the dental clinic chair, and a support portion extending from the support portion toward the front side of the headrest. It has an arm portion having an extended arm main body portion, a plurality of joint portions formed on the arm portion, and a shield main body portion attached to the tip of the arm portion and arranged on the front side of the headrest. It is characterized by that.
  • the shield main body is connected to the arm main body via the first joint, which is one of the joints, and the shield main body is the first. It is characterized in that it rotates in a direction toward the headrest or in a direction away from the headrest depending on the joint portion.
  • the arm main body is connected to the support via a second joint which is one of the joints, and the arm main body is the second joint.
  • the unit is characterized in that it rotates to the side opposite to the support portion or the support portion side with respect to the headrest.
  • the sanitary shield for a dental clinic is characterized in that the arm main body is curved or bent toward the outside.
  • the arm main body is connected to the support via a third joint, which is one of the joints, and the arm main body is the third joint. It is characterized in that it rotates up and down of the headrest depending on the portion.
  • the arm body portion is separated from the headrest by the support portion to such an extent that the practitioner's arm passes between the arm body portion and the headrest. It is characterized by.
  • the arm main body is connected to the support via a fourth joint which is one of the joints, and the arm main body is the fourth joint.
  • the headrest is characterized in that it retracts from the front side and rotates toward the crown side depending on the portion.
  • the hygiene shield for dental clinics is characterized by having a regulatory means for restricting the rotation of the arm main body portion to the back side rather than the crown side of the headrest.
  • the sanitary shield for a dental treatment chair regulates a predetermined operation of the backrest of the dental treatment chair when the arm main body is in a position extending toward the front side of the headrest. It is a feature.
  • the support portion is connected to the headrest via a fifth joint portion which is one of the joint portions, and the arm portion is connected by the fifth joint portion. It is characterized in that it rotates around the headrest about the thickness direction of the headrest.
  • the hygiene shield for a dental clinic is characterized by having a second shield main body attached to the arm main body.
  • the shield main body portion has a flat plate shape, and in a quadrangle, at least the side opposite to the support portion with respect to the headrest and the crown side of the headrest. It is characterized by having a shape with cut corners.
  • the sanitary shield for dental clinics is a first joint member having an end portion of the support portion opposite to the headrest, and a third joint portion and a fourth joint portion which are one of the joint portions.
  • the first joint member and the second joint member having the second joint portion and the third joint portion, which are one of the joint portions, are connected to each other by the fourth joint portion.
  • the second joint member and the arm body portion are connected by the second joint portion, and the second joint member is connected by the second joint portion.
  • the arm main body portion and the shield support member having the first joint portion which is one of the joint portions are connected by the first joint portion, and the shield main body portion has a flat plate shape and the shield support member.
  • the shield body is rotated by the first joint in a direction toward the headrest or away from the headrest, and the arm body is rotated by the second joint with respect to the headrest. It is characterized in that it rotates to the side opposite to the support portion or to the support portion side, rotates up and down the headrest by the third joint portion, and rotates to the crown side of the headrest by the fourth joint portion. And.
  • the dental medical apparatus is characterized in that an auxiliary light that illuminates the mouth of the person to be treated is arranged between the shield main body and the mouth of the person to be treated.
  • the dental medical apparatus is characterized in that the auxiliary light is supported by a flexible hose for a light, and the flexible hose for a light is attached to the headrest, the arm portion, or the shield main body portion.
  • the suction nozzle of the dental treatment vacuum arranged outside the oral cavity of the person to be treated in the dental treatment is supported by the flexible hose for the suction nozzle, and the shield main body and the person to be treated are supported. It is characterized in that the flexible hose for a suction nozzle, which is arranged between the mouth and the mouth, is attached to the headrest, the arm portion or the shield main body portion.
  • the dental treatment device is characterized by having the above-mentioned hygiene shield for a dental treatment chair.
  • the sanitary shield for a dental clinic includes a support portion extending laterally from the headrest of the dental clinic chair and an arm portion having an arm body portion extending from the support portion toward the front side of the headrest. It has a plurality of joints formed on the arm portion and a shield main body portion attached to the tip of the arm portion and arranged on the front side of the headrest. That is, the arm portion extends to a position that does not interfere with the treatment, and the shield main body portion is arranged at a position that does not interfere with the treatment.
  • the shield main body is arranged between the practitioner and the practitioner on the front side of the practitioner. Therefore, the sanitary shield for dental clinic chairs does not interfere with the treatment, and can block dust and the like to prevent virus infection.
  • FIG. 1 is a perspective view showing the appearance of the dental care apparatus according to the embodiment of the present disclosure.
  • FIG. 2 is an upper view showing the dental care apparatus according to the embodiment of the present disclosure from above.
  • FIG. 3 is a perspective view showing the appearance of the dental care apparatus according to the embodiment of the present disclosure, in which the joint portion of the hygiene shield for dental care is in operation.
  • FIG. 4 is an upper view showing a state in which the dental treatment apparatus according to the embodiment of the present disclosure is shown from above and the joint portion of the hygiene shield for dental treatment is in operation.
  • FIG. 5 is a perspective view showing the appearance of the dental care apparatus according to the embodiment of the present disclosure, in which the joint portion of the hygiene shield for dental care is in operation.
  • FIG. 1 is a perspective view showing the appearance of the dental care apparatus according to the embodiment of the present disclosure.
  • FIG. 2 is an upper view showing the dental care apparatus according to the embodiment of the present disclosure from above.
  • FIG. 3 is a perspective view showing the appearance of the dental care apparatus according to
  • FIG. 6 is an upper view showing a state in which the dental treatment apparatus according to the embodiment of the present disclosure is shown from above and the joint portion of the hygiene shield for dental treatment is in operation.
  • FIG. 7 is an external perspective view of the sanitary shield for dental practice according to the embodiment of the present disclosure.
  • FIG. 8 is an upper view showing the hygiene shield for dental practice according to the embodiment of the present disclosure from above.
  • FIG. 9 is a side view showing the hygiene shield for dental practice according to the embodiment of the present disclosure from the side.
  • FIG. 10 is a front view showing the hygiene shield for dental practice according to the embodiment of the present disclosure from the front side.
  • FIG. 11 is an upper view showing a modified example of the sanitary shield for dental practice according to the embodiment of the present disclosure from above.
  • FIG. 12 is a side view showing a modified example of the sanitary shield for dental practice according to the embodiment of the present disclosure from the side.
  • FIG. 13 is a front view showing a modified example of the sanitary shield for dental practice according to the embodiment of the present disclosure from the front side.
  • FIG. 14 is a side view showing the usage state of the dental medical equipment according to the embodiment of the present disclosure from the side.
  • FIG. 15 is an upper view showing the usage state of the dental care apparatus according to the embodiment of the present disclosure from above.
  • FIG. 16 is a side view showing the usage state of the dental care device according to the embodiment of the present disclosure from the side, and the joint portion of the hygiene shield for dental care is in operation.
  • FIG. 13 is a front view showing a modified example of the sanitary shield for dental practice according to the embodiment of the present disclosure from the front side.
  • FIG. 14 is a side view showing the usage state of the dental medical equipment according to the embodiment of the present disclosure from the side.
  • FIG. 15 is an upper view showing the usage
  • FIG. 17 is an upper view showing a state in which the dental treatment apparatus according to the embodiment of the present disclosure is shown from above and the joint portion of the hygiene shield for dental treatment is in operation.
  • FIG. 18 is a side view showing the usage state of the dental care device according to the embodiment of the present disclosure from the side, and the joint portion of the hygiene shield for dental care is in operation.
  • FIG. 19 is an upper view showing a state in which the dental treatment apparatus according to the embodiment of the present disclosure is shown from above and the joint portion of the hygiene shield for dental treatment is in operation.
  • FIG. 20 is an external perspective view of a suction nozzle provided in the dental care apparatus according to the embodiment of the present disclosure.
  • FIG. 21 is an upper view showing a suction nozzle provided in the dental treatment apparatus according to the embodiment of the present disclosure from above.
  • FIG. 22 is a cross-sectional view of a suction nozzle provided in the dental treatment apparatus according to the embodiment of the present disclosure in a used state.
  • the shield main body is connected to the arm main body via the first joint, which is one of the joints, and the shield main body is headrested by the first joint. Rotate toward or away from the headrest.
  • the shield main body portion is arranged at a position that does not interfere with the treatment and can block dust and the like.
  • the arm main body is connected to the support portion via the second joint portion, which is one of the joint portions, and the arm main body portion is attached to the headrest by the second joint portion. On the other hand, it rotates to the opposite side to the support part or to the support part side.
  • the shield main body portion is arranged at a position that does not interfere with the treatment and that can block dust and the like.
  • the arm main body is curved or bent toward the outside. Therefore, when the shield main body is arranged at a desired position, the arm main body does not interfere with the face even when the arm main body approaches the face of the person to be treated.
  • the arm main body is connected to the support portion via the third joint portion, which is one of the joint portions, and the arm main body portion is connected to the headrest by the third joint portion. Rotate up and down.
  • the arrangement of the shield main body with respect to the practitioner can be freely changed up and down. Therefore, the shield main body portion is arranged at a position that does not interfere with the treatment and that can block dust and the like.
  • the arm body is separated from the headrest by the support to the extent that the practitioner's arm passes between the arm body and the headrest. Therefore, when the practitioner performs the treatment from the crown side of the practitioner, the practitioner can place the arm on the side of the face of the practitioner, and the arm body portion does not interfere with the arm.
  • the arm main body is connected to the support portion via the fourth joint portion, which is one of the joint portions, and the arm main body portion is connected to the headrest by the fourth joint portion. It retracts from the front side and rotates toward the crown side. That is, the orientation of the shield main body is deviated from the front side, and the shield main body is arranged on the crown side of the person to be treated, so that the shield main body does not interfere with the person to be treated when the person to be treated gets up.
  • the hygiene shield for dental clinics has a regulatory means for restricting the rotation of the arm body portion to the back side rather than the crown side of the headrest. That is, even if the practitioner places the leg on the back side of the headrest, the arm body does not interfere with the practitioner's leg.
  • the predetermined operation of the backrest of the dental clinic chair is restricted.
  • the person to be treated may get up with the movement of the backrest, but when the shield body is on the front side of the headrest, the backrest does not move, so the person to be treated does not get up with the person to be treated. It is also prevented that a person hits the shield body. Also, since the backrest does not work, the shield body does not interfere with peripheral devices.
  • the support portion is connected to the headrest via the fifth joint portion, which is one of the joint portions, and the arm portion is oriented in the thickness direction of the headrest by the fifth joint portion. Rotate around the headrest as an axis.
  • the arm portion is arranged on the right side, the crown side, or the left side of the headrest. Therefore, the practitioner can perform the treatment on the treated person from either the left or right side or the crown.
  • the sanitary shield for dental clinic chairs has a second shield main body attached to the arm main body.
  • the second shield body is arranged between the practitioner and the person to be treated on the side of the arm body. Therefore, the shield main body portion is arranged at a position that does not interfere with the treatment and can block dust and the like for a plurality of practitioners.
  • the shield main body has a flat plate shape, and in a quadrangle, at least the corner opposite to the support portion with respect to the headrest and the crown side of the headrest is cut. Shape. Therefore, the practitioner can perform the treatment by bringing the body closer to the practitioner on the side of the practitioner, which is the position where the practitioner sits, and on the crown side of the practitioner, without interfering with the shield main body. can.
  • the end of the support portion opposite to the headrest and the first joint member having the third joint portion and the fourth joint portion, which are one of the joint portions, are formed.
  • the first joint member, which is connected by the fourth joint portion, and the second joint member having the second joint portion and the third joint portion, which are one of the joint portions, are connected by the third joint portion, and the second joint portion is connected.
  • the member and the arm body are connected by the second joint, and the arm body and the shield support member having the first joint, which is one of the joints, are connected by the first joint and shielded.
  • the main body is flat and attached to the shield support member, the shield main body is rotated by the first joint in the direction toward the headrest or away from the headrest, and the arm main body is rotated by the second joint.
  • the third joint rotates up and down the headrest, and the fourth joint rotates toward the crown side of the headrest.
  • an auxiliary light that illuminates the mouth of the person to be treated is arranged between the shield main body and the mouth of the person to be treated. That is, there is no shield main body between the auxiliary light and the mouth of the person to be treated, and there is no shadow. Therefore, the mouth is directly illuminated by the light of the auxiliary light. Since the existing lighting of the dental clinic is arranged above the shield main body, the shield main body may reflect the light of the lighting or the lighting may be reflected on the shield main body. These may interfere with the procedure.
  • the auxiliary light is supported by the flexible hose for the light, and the flexible hose for the light is attached to the headrest, the arm portion or the shield main body portion. That is, the auxiliary light can move freely and stands still at an arbitrary position. Therefore, the practitioner can direct the auxiliary light to any position that does not interfere with the treatment, and can move the practitioner to any position that does not hit the auxiliary light when he / she gets up.
  • the suction nozzle of the vacuum for dental treatment which is arranged outside the oral cavity of the person to be treated in the dental treatment, is supported by the flexible hose for the suction nozzle, and the shield main body and the mouth of the person to be treated are used.
  • a flexible hose for the suction nozzle is attached to the headrest, the arm portion or the shield main body portion. That is, the suction nozzle of the vacuum for dental practice can move freely and stands still at an arbitrary position. Therefore, the practitioner can point the suction nozzle of the dental vacuum to any position that does not interfere with the procedure, and the practitioner can point the suction nozzle of the dental vacuum to any position that does not hit the suction nozzle of the dental vacuum when the practitioner gets up.
  • the dental treatment device has a hygiene shield for a dental treatment chair. Therefore, the dental treatment device has the same effect as the hygiene shield for the dental treatment chair described above.
  • FIG. 1 and 2 show the appearance of a dental care device 1 having a sanitary shield 12 for a dental care chair.
  • the direction facing the headrest 6 of the dental treatment chair 2 is set to the front (Front) with the dental treatment chair 2 of the dental treatment device 1 as a reference, and the back side of the headrest 6 is shown.
  • the direction toward the back is the back (Back)
  • the direction toward the headrest 6 is upward (Up) in the longitudinal direction of the dental clinic chair 2
  • the direction toward the footrest 4 is (Down)
  • the sides are left and right sides (Left Side). , Right Side).
  • the dental treatment device 1 is attached to the dental treatment chair 2 on which the patient P (see FIGS. 14 to 19) lies and the dental treatment chair 2.
  • the auxiliary light 51 is supported by the flexible hose 59 for the light.
  • the light flexible hose 59 is attached to the headrest 6.
  • the suction nozzle 14 of the dental vacuum 13 is supported by a flexible hose for the suction nozzle (not shown), and is arranged between the sanitary shield 12 for the dental chair and the mouth of the person to be treated P.
  • the device on which the shield control unit is mounted is arbitrary. Therefore, the shield control unit is mounted on, for example, a dental clinic chair 2, a cuspider unit 8, and other peripheral devices.
  • the dental treatment chair 2 is connected to the seat 3 on which the person to be treated P sits, the footrest 4 which is connected to the lower side of the seat 3 and on which the legs of the person to be treated P are placed, and the upper side of the seat 3 to be treated.
  • the backrest 5 on which the upper body of the person P is placed, the headrest 6 on which the head of the person to be treated P is placed connected to the upper side of the backrest 5, and the person to be treated are arranged on the left and right sides of the seat 3. It has an armrest 7 on which the arm of P can be placed.
  • the dental clinic chair 2 freely moves up and down, the backrest 5 freely expands and contracts, falls or rises, and the headrest 6 freely expands and contracts, falls or rises, and the angle changes.
  • the posture of the dental clinic chair 2 changes arbitrarily by being operated by the practitioner, and automatically changes to a predetermined posture.
  • the cuspider unit 8 includes an assistant table 9 for holding an instrument (not shown), a spitton 10 for discharging the water contained in the mouth of the treated person P, and a water supply for supplying water to the treated person P. It has a machine 11 and a dental light (not shown) that illuminates the mouth of the person to be treated P.
  • the instrument held on the assistant table 9 is, for example, a turbine, a micromotor, an air motor, a scaler, a syringe, or the like.
  • shield 12 for dental clinic chairs
  • FIGS. 5 and 6 show a state in which the shield 12 is turned upward.
  • 7 to 10 show the appearance of the shield 12.
  • 11 to 13 show a modification of the shield 12.
  • the shield 12 separates the face of the practitioner and the face of the practitioner P to block dust and the like.
  • the shield 12 has an arm portion 20 extending from the back surface of the headrest 6 to the front side, and a shield main body portion 41 attached to the tip of the arm portion 20 and arranged on the front side of the headrest 6.
  • the arm portion 20 has a support portion 21 connected to the back portion of the headrest 6 and extended to the left, and the left end of the support portion 21 opposite to the headrest 6 to the front side of the headrest 6.
  • the arm main body 25 extending toward the arm body 25, the first joint member 26 and the second joint member 27 connecting the arm main body 25 and the support portion 21, and the shield support member 37 connected to the arm main body 25 are formed.
  • the arm portion 20 has a plurality of joint portions.
  • the joints are the first joint 28 (see FIG. 5) connecting the shield support member 37 and the arm body 25, the second joint 29 connecting the arm body 25 and the second joint member 27, and the second joint.
  • the five joints 32 Therefore, as shown in FIGS. 3 to 6, the shield 12 is oriented in various directions by the joints 28, 29, 30, 31, 32, changes into various postures, and is placed in various positions. Will be done. Sensors (not shown) are attached to all joints or specific joints. The sensor outputs a signal according to the state of the joint portion to the shield control unit.
  • the support portion 21 has a long plate shape.
  • the right end of the support portion 21 is connected to the back surface portion of the headrest 6, and the left end of the support portion 21 is connected to the arm main body portion 25 via the first joint member 26 and the second joint member 27.
  • the support portion 21 is connected to a base support piece 22 connected to the back surface portion of the headrest 6, an inclined support piece 23 connected to the base support piece 22 and inclined to the upper left, and connected to the inclined support piece 23. It has an upright support piece 24 that has risen upward.
  • the base support piece 22 is connected to the headrest 6 by a fifth joint portion 32, which is one of the joint portions.
  • the fifth joint portion 32 is centered on the front direction and the back direction, which are the thickness directions of the headrest 6.
  • the range of motion of the arm portion 20 about the fifth joint portion 32 is, for example, about 180 degrees when the state in which the support portion 21 extends to the left from the headrest 6 is set to zero degrees (see FIG. 1). ..
  • the standing support piece 24 is connected to the first joint member 26 by a fourth joint portion 31, which is one of the joint portions.
  • the standing support piece 24 has locking holes 36 formed at two locations around the fourth joint portion 31.
  • the first joint member 26 has a fourth joint portion 31 and a third joint portion 30, and a regulatory operation unit 33 that regulates the movement of the fourth joint portion 31.
  • the regulation operation unit 33 has an operation main body unit 34 and a locking hole 36 to which the operation main body unit 34 is locked.
  • the operation body portion 34 includes an operation shaft portion 45 that penetrates the first joint member 26 to the left and right, an operation handle 35 attached to the left end of the operation shaft portion 45 on the left side of the first joint member 26, and the first joint member 26. It has a spring (not shown) arranged inside the joint and through which the operation shaft portion 45 is passed. The restoring force of the spring pushes the operation shaft portion 45 to the right side and causes it to project to the right side of the first joint member 26.
  • the operation shaft portion 45 retracts to the inside of the first joint member 26, and when the operation handle 35 is released, the operation shaft portion 45 is first driven by the restoring force of the spring. It overhangs to the right side of the joint member 26. The overhanging operation shaft portion 45 is inserted into the locking hole 36 of the upright support piece 24. If there is no spring, the operation main body 34 is operated by an external force.
  • the fourth joint portion 31 is formed above the operation main body portion 34 in the first joint member 26, and is centered on the left-right direction which is the width direction of the headrest 6.
  • the first joint member 26 is arranged on the left surface of the standing support piece 24 and is connected by the fourth joint portion 31. Therefore, when the first joint member 26 rotates about the fourth joint portion 31, the arm main body portion 25 deviates from the front side of the headrest 6 and rotates toward the crown side (see FIGS. 5 and 6).
  • the range of motion of the arm body 25 about the fourth joint 31 is, for example, from about 90 degrees upward when the arm body 25 is vertically oriented at zero degrees (see FIG. 9). It is about 120 degrees.
  • the range of motion of the arm body 25 is regulated and determined by the regulation operation unit 33.
  • the third joint portion 30 is formed in front of the fourth joint portion 31 in the first joint member 26, and is centered on the left-right direction which is the width direction of the headrest 6.
  • the first joint member 26 is connected to the second joint member 27 by the
  • the second joint member 27 has a second joint portion 29, which is one of the joint portions, and a third joint portion 30. Since the third joint portion 30 has an axis in the left-right direction, when the second joint member 27 rotates about the third joint portion 30, the arm body portion 25 rotates up and down the headrest 6.
  • the range of motion of the arm body 25 about the third joint 30 is, for example, about 30 degrees upward when the arm body 25 is vertically oriented at zero degrees (see FIG. 9). It is about 30 degrees downward.
  • the second joint portion 29 is formed in front of the third joint portion 30 in the second joint member 27, and has an axis in the vertical direction, which is the length direction of the headrest 6.
  • the second joint member 27 is connected to the arm main body portion 25 by the second joint portion 29.
  • the arm main body 25 is long and is curved or bent toward the outside, which is the opposite side of the headrest 6.
  • the arm body portion 25 has a first joint portion 28, which is one of the joint portions, and a second joint portion 29.
  • the second joint portion 29 is formed at the back side end portion of the arm main body portion 25, and the first joint portion 28 is formed at the front side end portion of the arm main body portion 25. Since the second joint portion 29 has an axis in the vertical direction, when the arm main body portion 25 rotates about the second joint portion 29, the arm main body portion 25 is on the side opposite to the support portion 21 with respect to the headrest 6. It rotates to the right or to the left, which is the support 21 side (see FIGS. 3 and 4).
  • the range of motion of the arm body 25 about the second joint 29 is, for example, about 45 degrees to the right and about 45 degrees to the left when the vertical direction is zero degrees (see FIG. 8). ..
  • the arm main body portion 25 is connected to the shield support member 37 by the first joint portion 28.
  • the first joint portion 28 is centered on the vertical direction, which is the length direction of the headrest 6.
  • the shield support member 37 has a pair of upper and lower holding portions 38 and 39 facing each other, an opening / closing handle 40 attached to the upper holding portion 38, and a first joint portion 28 formed in the lower holding portion 39. ing.
  • the upper and lower holding portions 38 and 39 have a flat plate shape, and a space in which the shield main body portion 41 is sandwiched is formed.
  • the opening / closing handle 40 penetrates the upper and lower holding portions 38 and 39 up and down and has a screw structure. When the open / close handle 40 is tightened while the left end of the shield main body 41 is sandwiched from the front and back by the upper and lower holding portions 38 and 39, the shield main body 41 is supported by the shield support member 37. When the opening / closing handle 40 is loosened, the shield main body 41 is released, removed, and cleaned or replaced.
  • the range of motion of the shield main body 41 about the first joint 28 is about 45 degrees to the front side, for example, when the shield main body 41 is oriented horizontally to zero degrees (see FIG. 8). , About 45 degrees on the back side.
  • the shield main body 41 has a flat plate shape having a size of, for example, A4 paper or A3 paper, and has a shape similar to a quadrangle. More specifically, the shield main body 41 has a shape in which the first corner 42, which is the upper right corner, and the second corner 43, which is the upper left corner, are cut in a quadrangle.
  • the shield main body 41 is transparent.
  • a second shield main body 44 is attached to the shield 12.
  • the second shield main body 44 has a substantially rectangular flat plate shape, and is attached to the outside of the arm main body 25.
  • the second shield main body 44 is freely attached and detached.
  • the shield 12 is configured.
  • the arm portion 20 extending from the back surface of the headrest 6 to the front side and the shield main body portion 41 attached to the tip of the arm portion 20 and arranged on the front side of the headrest 6 are provided. is doing.
  • the arm portion 20 has a support portion 21 connected to the back portion of the headrest 6 and extended to the left, and the left end of the support portion 21 opposite to the headrest 6 to the front side of the headrest 6.
  • the arm main body 25 extending toward the arm body 25, the first joint member 26 and the second joint member 27 connecting the arm main body 25 and the support portion 21, and the shield support member 37 connected to the arm main body 25 are formed.
  • the arm portion 20 has a plurality of joint portions 28, 29, 30, 31, 32 (see FIG.
  • the shield 12 is oriented by the joints 28, 29, 30, 31, 32 in various directions, changes into various postures, and has various positions. Is placed in. Therefore, the arm portion 20 extends to a position that does not interfere with the treatment, and the shield main body portion 41 is arranged at a position that does not interfere with the treatment, and the shield 12 does not interfere with the treatment and shields dust and the like. , Can prevent virus infection.
  • the shield 12 has a first joint portion 28 connecting the shield support member 37 and the arm main body portion 25, and the first joint portion 28 has an axis in the vertical direction (see FIG. 9). ).
  • the shield support member 37 rotates about the first joint portion 28, the shield support member 37 rotates in a direction approaching the face of the practitioner or in a direction away from the face of the practitioner P. Therefore, the arrangement of the shield main body 41 with respect to the practitioner can be freely changed, and the shield main body is located at a position that does not interfere with the treatment and can block dust or the like according to the posture of the practitioner. 41 is arranged.
  • the shield 12 has a second joint portion 29 connecting the arm main body portion 25 and the second joint member 27, and since the second joint portion 29 has an axis in the vertical direction, the arm main body When the portion 25 rotates about the second joint portion 29, the arm main body portion 25 rotates to the right, which is the opposite side of the support portion 21, or to the left, which is the support portion 21 side, with respect to the headrest 6 (FIG. 16 and FIG. 17). Therefore, the arrangement of the shield main body 41 with respect to the person to be treated P can be freely changed, and the shield main body 41 is arranged at a position that does not interfere with the treatment and can block dust and the like.
  • the arm main body 25 is long and is curved or bent toward the outside, which is the opposite side of the headrest 6 (see FIG. 8).
  • the position where it begins to bend or bend is on the front side of the subject P's ear. Therefore, when the shield main body 41 is arranged at a desired position, the arm main body 25 does not interfere with the face even when the arm main body 25 approaches the face of the person to be treated P (FIGS. 14 and 14). See 15.).
  • the shield 12 has a third joint portion 30 in which the first joint member 26 and the second joint member 27 are connected, and the third joint portion 30 has a left-right direction as an axis.
  • the arm main body portion 25 rotates up and down the headrest 6 (see FIGS. 14 and 15). Therefore, the arrangement of the shield main body 41 with respect to the practitioner can be freely changed up and down, and the shield main body 41 is arranged at a position that does not interfere with the treatment and can block dust and the like. ..
  • the shield 12 has a fourth joint portion 31 connecting the second joint member 27 and the support portion 21, and since the fourth joint portion 31 has an axis in the left-right direction, the first joint
  • the member 26 rotates about the fourth joint portion 31 as an axis
  • the arm main body portion 25 retracts from the front side of the headrest 6 and rotates toward the crown side, and the direction of the shield main body portion deviates from the front side (FIG. 18 and FIG. 19). Therefore, when the person to be treated P gets up, the shield main body 41 does not interfere with the person to be treated P.
  • the first joint member 26 has a fourth joint portion 31 and a regulation operation unit 33 that regulates the operation by the fourth joint portion 31 (see FIG. 8).
  • the regulation operation unit 33 has an operation body unit 34 and a locking hole 36 to which the operation body unit 34 is locked, and the operation shaft portion 45 of the operation body unit 34 is inserted into the locking hole 36. Therefore, the movement by the fourth joint portion 31 is restricted. Since the arm body 25 is restricted from rotating toward the back side of the headrest 6 by the regulation operation unit 33, if the practitioner places the legs on the back side of the headrest 6. Even if there is, the arm body 25 does not interfere with the practitioner's legs.
  • the shield 12 has a fifth joint portion 32 connecting the support portion 21 and the headrest 6. Since the fifth joint portion 32 has the front direction and the back direction as axes, when the support portion 21 rotates about the fifth joint portion 32, the arm portion 20 rotates around the headrest 6. That is, the arm portion 20 is arranged on the right side, the crown side, or the left side of the headrest 6. Therefore, the practitioner can perform the treatment on the treated person P from either the left or right side or the crown.
  • the support portion 21 has a long plate shape, the right end of the support portion 21 is connected to the back surface portion of the headrest 6, and the left end of the support portion 21 is the first joint member 26 and the second joint member. It is connected to the arm main body 25 via 27. That is, the arm main body 25 is separated from the headrest 6 by the support portion 21, and the arm main body 25 and the headrest 6 are separated to the extent that the practitioner's arm can pass through (see FIG. 15). Therefore, when the practitioner performs the treatment from the crown side of the treated person P, the practitioner can place the arm on the side of the face of the treated person P, and the arm body portion 25 does not interfere with the arm.
  • the shield main body 41 has a quadrangular shape in which the first corner 42 and the second corner 43 are cut, respectively.
  • the first corner 42 is on the right side opposite to the support portion 21 with respect to the headrest 6 and on the upper side on the crown side of the headrest 6 (see FIG. 17). Therefore, the practitioner can perform the treatment by bringing the body closer to the shield main body 41 from the vicinity of the upper right of the practitioner P, which is the position where the practitioner generally sits.
  • the shield 12 has a second shield main body 44 attached to the outside of the arm main body 25 (see FIGS. 11 to 13).
  • the second shield main body 44 is arranged between the practitioner and the practitioner P on the left side of the arm main body 25. Therefore, for example, the shield main body 41 separates the dentist from the treated person P, and the second shield main body 44 separates the dental hygienist from the treated person P.
  • the dental clinic device 1 has a shield control unit that regulates a predetermined operation of the dental clinic chair 2 according to the posture of the sanitary shield 12 for the dental clinic chair.
  • the shield control unit receives signals according to the states of the joint portions 28, 29, 30, 31, 32 from the sensors attached to the joint portions 28, 29, 30, 31, 32.
  • the shield control unit regulates a predetermined operation of the backrest 5 when the arm main body 25 is in a position extending toward the front side of the headrest 6 (see FIGS. 14 and 15).
  • the predetermined operation is arbitrary and preset.
  • the predetermined operation includes, for example, an operation in which the backrest 5 exceeds a predetermined angle, and the operation of finely adjusting the posture of the backrest 5 is excluded.
  • the person to be treated P may get up with the movement of the backrest 5, but when the shield main body 41 is on the front side of the headrest 6, the backrest 5 is restricted from the predetermined movement and therefore is subject to the treatment.
  • the practitioner P is not hung up and does not get up, and the practitioner P is prevented from hitting the shield main body 41. Further, since the backrest 5 does not operate, the shield main body 41 does not interfere with peripheral devices.
  • the auxiliary light 51 that illuminates the mouth of the person to be treated P is arranged between the shield main body 41 and the mouth of the person to be treated P. That is, there is no shield main body 41 between the auxiliary light 51 and the mouth of the person to be treated P, and there is no shadow. Therefore, the mouth is directly illuminated by the light of the auxiliary light 51. Further, since the auxiliary light 51 is supported by the flexible hose 59 for the light, it can move freely and stands still at an arbitrary position. Therefore, the practitioner can point the auxiliary light 51 at any position that does not interfere with the treatment, and can move the auxiliary light 51 to any position that does not hit the auxiliary light 51 when the person to be treated gets up.
  • the suction nozzle 14 is supported by a flexible hose for the suction nozzle and is arranged between the shield main body 41 and the mouth of the person to be treated P.
  • the flexible hose for the suction nozzle is attached to the headrest 6, the arm portion 20, or the shield main body portion 41. That is, the suction nozzle 14 can move freely and stands still at an arbitrary position. Therefore, the practitioner can point the suction nozzle 14 at an arbitrary position that does not interfere with the treatment, and can move the suction nozzle 14 to an arbitrary position that does not hit the suction nozzle 14 when the person to be treated P gets up.
  • the shield main body 41 does not exist between the suction nozzle 14 and the mouth of the person to be treated P, and there is no obstacle. Therefore, the practitioner can perform an appropriate treatment. Further, since the suction nozzle 14 sucks dust and the like, the shield main body 41 is not contaminated by the dust and the like.
  • FIG. 20 and 21 show the appearance of the suction nozzle 14.
  • FIG. 22 shows the usage state of the suction nozzle 14.
  • the dental vacuum 13 has a suction nozzle 14 arranged outside the oral cavity of the person to be treated P in the dental treatment.
  • the dental vacuum 13 is arranged between the hose 50 connected to the cuspider unit 8, the suction nozzle 14 connected to the hose 50, and the suction nozzle 14 and the mouth of the person to be treated P.
  • It has an auxiliary light 51 that illuminates the mouth of the practitioner P, and a vacuum control unit (not shown) that performs various controls according to the position of the suction nozzle 14.
  • the auxiliary light 51 is supported by the flexible hose 59 for light and can move freely, and is directed to an arbitrary position.
  • the vacuum control unit has a suction control unit that controls suction according to the posture of the suction nozzle 14, and a chair control unit that regulates a predetermined operation of the dental clinic chair 2.
  • the device on which the vacuum control unit is mounted is arbitrary. Therefore, the vacuum control unit is mounted on, for example, a dental clinic chair 2, a cuspider unit 8, and other peripheral devices.
  • the hose 50 is on the left side of the dental clinic chair 2, and is connected to the headrest 6 or the backrest 5 or supported by a self-supporting support arm (not shown). Since the support arm extends from the back surface of the dental clinic chair 2 toward the front side and can move freely, the support arm is to the right, which is the direction toward the dental clinic chair 2, or to the left, which is the direction away from the dental clinic chair 2. Is also mobile. Therefore, the suction nozzle 14 is arranged at an arbitrary position such as the side or the back side of the headrest 6 or the backrest 5 as the support arm moves.
  • a sensor (not shown) is attached to the suction nozzle 14 or the hose 50. The sensor outputs a signal corresponding to the posture of the suction nozzle 14 to the vacuum control unit.
  • the suction nozzle 14 is bottle-shaped and transparent or translucent.
  • the suction nozzle 14 has a hollow cylindrical nozzle body 52, a connection port 53 formed in the nozzle body 52 and connected to the hose 50, and a bottom portion 54 facing the connection port 53.
  • the nozzle body 52 has a suction port 55 formed on a side surface thereof, and the nozzle body 52 has a receiving portion 56 connected under the suction port 55.
  • connection port 53 has a shape corresponding to the diameter of the hose 50, and the diameter of the nozzle body 52 is formed to be larger than the diameter of the connection port 53. Therefore, between the nozzle main body 52 and the connection port 53, a diameter-expanded portion 57 is formed in which the diameter of the nozzle main body 52 is gradually increased.
  • the connection port 53 can be attached to and detached from the hose 50.
  • the suction port 55 is an elongated hole or an ellipse along the lateral width in the longitudinal direction of the nozzle body 52.
  • the width of the suction port 55 is equal to or larger than the general mouth size of the subject P.
  • the vertical width of the suction port 55 orthogonal to the longitudinal direction is shorter than the diameter of the nozzle body 52.
  • the vertical width of the suction port 55 is, for example, about 3/4 or less of the diameter of the nozzle body 52.
  • the suction nozzle 14 is arranged below the shield main body 41 and at the mouth of the person to be treated P in a posture similar to a state in which the bottle is laid down sideways.
  • the side facing the mouth of the person to be treated P is the facing surface 58
  • the facing surface 58 is the side surface of the nozzle body 52.
  • the facing surface 58 has a suction port 55 formed smaller than the facing surface 58, and the suction port 55 is horizontally long along the mouth of the person to be treated P.
  • the receiving portion 56 is arranged below the suction port 55 on the facing surface 58.
  • the auxiliary light 51 is located at the mouth of the person to be treated P, at a position where the auxiliary light 51 is displaced from the position facing the suction port 55 and does not interfere with suction.
  • the suction nozzle 14 is configured.
  • the suction nozzle 14 is formed on a bottle-shaped nozzle body 52 having a bottom portion 54 and a suction port 55 and a hollow cylindrical shape, and a side surface of the nozzle body portion 52. It has a suction port 55 and a receiving portion 56 connected under the suction port 55 (see FIGS. 20 and 21). With this configuration, even when the water sucked from the suction port 55 adheres to the inner surface of the nozzle body 52 and becomes water droplets, the water droplets collect in the receiving portion 56. Therefore, the suction nozzle 14 can prevent water droplets from dripping.
  • connection port 53 has a shape corresponding to the diameter of the hose 50, and the diameter of the nozzle body 52 is formed to be larger than the diameter of the connection port 53. Since the size of the suction port 55 depends on the size of the nozzle body 52, if the size of the nozzle body 52 is the same as that of the connection port 53, the size of the suction port 55 is connected. It will depend on the size of the mouth 53. In the present embodiment, since the size of the nozzle main body 52 is larger than that of the connection port 53, the size of the suction port 55 is determined and appropriate without depending on the size of the connection port 53.
  • the suction port 55 is formed smaller than the facing surface 58.
  • the suction port 55 has an elongated hole or an elliptical shape along the lateral width in the longitudinal direction of the nozzle body 52, and the vertical width orthogonal to the longitudinal direction is shorter than the diameter of the nozzle body 52 (). See FIGS. 20 and 21). That is, since the vertical width of the suction port 55 is shorter than the diameter of the nozzle body 52, the receiving portion 56 is formed. With this configuration, while having the receiving portion 56, the shape is suitable for sucking at the mouth of the person to be treated P, and the shape is suitable for realizing negative pressure at the suction port 55.
  • connection port 53 can be attached to and detached from the hose 50. Therefore, it can be attached to and detached from the existing vacuum hose for dental practice.
  • the suction nozzle 14 is transparent or translucent. Therefore, the practitioner can visually recognize the dust and the like accumulated inside the nozzle main body 52, and can determine whether or not cleaning or replacement is performed.
  • the support arm extends from the vicinity of the headrest 6 or the backrest 5 and stands on its own without being fixed to peripheral devices. Since the water droplets collect in the receiving portion 56, the practitioner does not have to worry about the water droplets dripping, and therefore does not need to support the suction nozzle 14 by hand. Therefore, the suction nozzle 14 can be supported by the support arm to be self-supporting. Further, the practitioner can move the suction nozzle 14 together with the support arm when it is not necessary.
  • the hose 50 is on the left side of the dental clinic chair 2 and is supported by a support arm connected to the headrest 6 or the backrest 5. Since the support arm can be freely moved, it can also be moved to the right, which is the direction toward the dental treatment chair 2, or to the left, which is the direction away from the dental treatment chair 2. Therefore, the suction nozzle 14 is arranged at an arbitrary position such as the side or the back side of the headrest 6 or the backrest 5 as the support arm moves. That is, when the suction nozzle 14 is separated from the mouth of the person to be treated P, the suction nozzle 14 does not interfere with the person to be treated P when the person to be treated P rises up.
  • the suction nozzle 14 is arranged on the back side of the dental clinic chair 2, when the person to be treated P gets up, the suction nozzle 14 does not interfere with the person to be treated P, and the suction nozzle 14 also interferes with peripheral devices. do not do.
  • auxiliary light 51 that is arranged between the suction nozzle 14 and the mouth of the person to be treated P and illuminates the mouth of the person to be treated P (see FIG. 22). That is, there is no suction nozzle 14 or other device between the auxiliary light 51 and the mouth of the person to be treated P, and there is no shadow. Therefore, the mouth is directly illuminated by the light of the auxiliary light 51. Since the existing dental light of the dental treatment apparatus 1 is arranged above the suction nozzle 14, the suction nozzle 14 may be a shadow.
  • the dental vacuum 13 has a vacuum control unit that performs various controls according to the position of the suction nozzle 14.
  • the vacuum control unit receives a signal according to the posture of the suction nozzle 14 from the sensor attached to the suction nozzle 14 or the hose 50.
  • the suction control unit stops suction when the suction nozzle 14 is separated from the mouth of the person to be treated P. Therefore, the practitioner does not need to separately operate the movement of the suction nozzle 14 and the stop of suction when it is not necessary, which is convenient.
  • the chair control unit regulates a predetermined operation of the backrest 5 when the suction nozzle 14 is at the mouth of the person to be treated P.
  • the predetermined operation is arbitrary and preset.
  • the predetermined operation includes, for example, an operation in which the backrest 5 exceeds a predetermined angle, and the operation of finely adjusting the posture of the backrest 5 is excluded.
  • the person to be treated P may get up with the movement of the backrest 5, but when the suction nozzle 14 is at the mouth of the person to be treated P, the backrest 5 is subject to the predetermined movement because the predetermined movement is restricted.
  • the practitioner P is not hung up and does not get up, and the practitioner P is prevented from hitting the suction nozzle 14. Further, since the backrest 5 does not operate, the suction nozzle 14 does not interfere with peripheral devices.
  • the number of joints is arbitrary as long as it is two or more. Therefore, other embodiments include, for example, only the first and second joints, only the first and third joints, only the first and fourth joints, and the first and fifth joints. Joints only, 2nd and 3rd joints only, 2nd and 4th joints only, 2nd and 5th joints only, 3rd and 4th joints only, 3rd It has only the joints and the fifth joint, and only the fourth and fifth joints.
  • it is only necessary that the shield main body portion is connected to the arm main body portion via the first joint portion. Therefore, in other embodiments, the shield main body portion and the arm main body portion are connected to the first joint portion. Is directly linked by.
  • the shield main body and the shield support member are integrated.
  • the arm body portion is connected to the support portion via the second joint portion. Therefore, in another embodiment, the arm body portion and the support portion are directly connected to the support portion by the second joint portion. It is connected. That is, other embodiments do not have a first joint member and a second joint member.
  • the arm body portion and the first joint member are directly connected by the second joint portion. That is, other embodiments do not have a second joint member. In the present disclosure, it is only necessary that the arm body portion is connected to the support portion via the third joint portion.
  • the arm body portion and the support portion are directly connected to the support portion by the third joint portion. It is connected. That is, other embodiments do not have a first joint member and a second joint member.
  • the second joint member and the support portion are directly connected by the third joint portion. That is, other embodiments do not have a first joint member.
  • it is only necessary that the arm body portion is connected to the support portion via the fourth joint portion. Therefore, in other embodiments, the arm body portion and the support portion are directly connected to the support portion by the fourth joint portion. It is connected. That is, other embodiments do not have a first joint member and a second joint member.
  • the second joint member and the support portion are directly connected by the fourth joint portion. That is, in other embodiments, it does not have a first joint member.
  • the regulatory means is formed on the second joint member.
  • a joint member such as a link mechanism is interposed between the support portion and the headrest. There is. Other embodiments do not have a fifth joint.
  • the third joint rotates up and down the headrest, and at the same time, retracts from the front side of the headrest and rotates to the crown side. This embodiment does not have a fourth joint.
  • the support portion only needs to extend laterally of the headrest, and in other embodiments, it is connected to the backrest and extends laterally from the headrest.
  • the arm body is straight and not curved or bent. In other embodiments, the arm body is close to the headrest and not far enough for the practitioner's arm to pass through. Other embodiments have no regulatory means.
  • the predetermined operation of the backrest regulated by the shield control unit is arbitrarily set. Therefore, for example, there are cases where the backrest expands and contracts, falls or rises, fine adjustment of posture, and the like are regulated, while the backrest expands and contracts, falls, and the like is not regulated.
  • the operation of the headrest and the raising and lowering of the dental clinic chair are regulated by the shield control unit.
  • the shape of the shield main body portion is arbitrary, for example, a polygon such as a quadrangle, a circle, an ellipse, or the like.
  • the third corner, which is the lower right corner, and the fourth corner, which is the lower left corner are each cut.
  • Another embodiment has a doctor table that the practitioner uses in the procedure.
  • Other embodiments do not have a dental vacuum.
  • Other embodiments consist of a dental chair and a sanitary shield for the dental chair and do not have a cuspider unit and a dental vacuum.
  • a monitor, an operation panel, or the like is attached to the arm portion.
  • a transparent or translucent curtain is attached around the shield body.
  • the curtain is long enough to shield the circumference of the practitioner's head, and is formed with a notch to allow the practitioner's hands and suction nozzle to be inserted inside the curtain.
  • the auxiliary light is supported by a normal pipe that does not deform freely.
  • a flexible hose for light is attached to an arm portion or a shield main body portion. Other embodiments do not have a flexible hose for the light. Other embodiments do not have an auxiliary light. Other embodiments do not have a flexible hose for the suction nozzle. Other embodiments do not have a suction nozzle for a dental vacuum.
  • the position of the facing surface and the shape of the nozzle body portion are arbitrary.
  • the bottom is a facing surface.
  • the suction port is formed at the bottom and is smaller than the bottom. Therefore, at the bottom, a receiving portion is formed below the suction port.
  • the nozzle body is a hollow sphere, a hollow polygonal prism, a hollow triangular pyramid such as a flask, or the like.
  • the bottom and side surfaces are facing surfaces, and if a suction port smaller than the diameter is formed on the facing surface, a receiving portion is formed below the suction port.
  • the nozzle body is a triangular pyramid, the bottom and side surfaces are facing surfaces, and if a suction port smaller than the diameter is formed on the facing surface, a receiving portion is formed below the suction port.
  • the diameter of the suction port is equal to or larger than the diameter of the nozzle body. For example, if the nozzle body is cylindrical and the diameter of the suction port is the same as the diameter of the nozzle body, but the suction port is in an upward position, the suction port is below the suction port on the facing surface.
  • a receiving part is formed.
  • the diameter of the nozzle body is equal to or smaller than the diameter of the connection port.
  • the width and height of the suction port are arbitrary.
  • the shape of the suction port is arbitrary.
  • the suction port is a polygon such as a circle or a square, a vertically long ellipse, or the like.
  • Other embodiments are neither transparent nor translucent, and are opaque.
  • Other embodiments do not have a support arm. In this case, the suction nozzle is supported by the practitioner.
  • Other embodiments do not have an auxiliary light.
  • the suction control unit and the chair control unit are separate. That is, the vacuum control unit has only the suction control unit or only the chair control unit.
  • the predetermined operation of the backrest regulated by the vacuum control unit is optionally set. Therefore, for example, there are cases where the backrest expands and contracts, falls or rises, fine adjustment of posture, and the like are regulated, while the backrest expands and contracts, falls, and the like is not regulated.
  • the vacuum control unit regulates the movement of the headrest and the raising and lowering of the dental clinic chair. Other embodiments do not have a vacuum control unit. Other embodiments do not have a dental vacuum. Other embodiments do not have a sanitary shield for dental chairs.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
PCT/JP2020/033619 2020-09-04 2020-09-04 歯科診療椅子用衛生シールド及び歯科診療装置 WO2022049728A1 (ja)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS464233Y1 (enrdf_load_stackoverflow) * 1965-09-04 1971-02-13
JPS5532375B2 (enrdf_load_stackoverflow) * 1977-10-06 1980-08-25
JPS59143414U (ja) * 1983-03-17 1984-09-26 林　仁彦 歯科技工用集塵装置
JPS649620U (enrdf_load_stackoverflow) * 1987-07-08 1989-01-19
JPH06169940A (ja) * 1992-12-08 1994-06-21 Daikichi:Kk 口腔外吸引装置
JPH0723985A (ja) * 1993-06-25 1995-01-27 Daikichi:Kk 口腔外吸引装置
JPH11169388A (ja) * 1997-12-15 1999-06-29 Nippon Kodo Iryo Kenkyukai:Kk 医療用プロテクトアタッチメント
JP2004073418A (ja) * 2002-08-15 2004-03-11 Osada Res Inst Ltd 歯科用治療ユニット
JP2004290429A (ja) * 2003-03-27 2004-10-21 Morita Mfg Co Ltd 歯科用診療台
JP2006122383A (ja) * 2004-10-29 2006-05-18 Takara Belmont Co Ltd 歯科治療装置の動作状態表示装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS464233Y1 (enrdf_load_stackoverflow) * 1965-09-04 1971-02-13
JPS5532375B2 (enrdf_load_stackoverflow) * 1977-10-06 1980-08-25
JPS59143414U (ja) * 1983-03-17 1984-09-26 林　仁彦 歯科技工用集塵装置
JPS649620U (enrdf_load_stackoverflow) * 1987-07-08 1989-01-19
JPH06169940A (ja) * 1992-12-08 1994-06-21 Daikichi:Kk 口腔外吸引装置
JPH0723985A (ja) * 1993-06-25 1995-01-27 Daikichi:Kk 口腔外吸引装置
JPH11169388A (ja) * 1997-12-15 1999-06-29 Nippon Kodo Iryo Kenkyukai:Kk 医療用プロテクトアタッチメント
JP2004073418A (ja) * 2002-08-15 2004-03-11 Osada Res Inst Ltd 歯科用治療ユニット
JP2004290429A (ja) * 2003-03-27 2004-10-21 Morita Mfg Co Ltd 歯科用診療台
JP2006122383A (ja) * 2004-10-29 2006-05-18 Takara Belmont Co Ltd 歯科治療装置の動作状態表示装置

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