JPH0683717B2 - Dental treatment equipment - Google Patents

Description

TECHNICAL FIELD The present application relates to a dental treatment device.

Conventional technology and its problems Conventionally, a mounting base provided on a treatment table or the like equipped in a treatment chair or a dental unit and having a working medium supply terminal group for supplying a working medium necessary for operating various treatment instruments. In addition, a treatment instrument unit composed of a single treatment instrument and a supporting member for holding the treatment instrument is detachably attached, and the attachment enables the treatment instrument of the working medium supply terminal group to operate. Only the necessary working medium supply terminals are connected to the working medium circuit of the support member, and the required working medium is supplied from the support member to the treatment instrument via the flexible hose by pressing the operation switch, and the treatment instrument unit is Dental treatment devices are known which are designed so that they can be replaced with a treatment instrument unit with other types of treatment instruments as required.

By the way, according to the above-mentioned dental treatment apparatus, the working medium is supplied to all the working medium supply terminals of the mounting base by the operation of the operation switch, and the working medium supply terminals that do not communicate with the working medium supply passage of the support member are there. Since it is a structure that cuts off the distribution of the above, the shield structure of these supply terminals is not only complicated, but there is an inconvenience in use that a suitable working medium corresponding to the treatment instrument cannot be obtained.

OBJECTS AND EXAMPLES AND ACTIONS OF THE INVENTION Therefore, the present application provides a mounting base with information on the type of therapeutic instrument unit, for example, whether it is for an air turbine handpiece, a micro handpiece, or a syringe. It is possible to output to the main body of the treatment device that controls the supply of the working medium, and based on the information, supply the working medium suitable for the operation of the therapeutic instrument to the corresponding working medium supply terminal of the mounting base when the operation switch is operated. Thus, the above-mentioned inconvenience of the conventional one is eliminated.

Embodiments of the present application will be described in detail below with reference to the drawings.

FIG. 1 shows a support mechanism for a dental treatment instrument or the like in the device of the present application. (1) is a long cylindrical body having a rectangular cross-section with front and rear ends opened, and a dental treatment instrument (20) whose internal volume is described later can be freely used. Has a size that allows it to be inserted into and removed from, and has a required number of fluid connectors a _{1 to} a ₆ , electrical signal connectors b, and power supply connectors c ₁ , c ₂ , c _{3 at} its rear end. Is arranged so as to penetrate in the thickness direction, and a supporting member A'described later is provided at a required position on the rear surface.
A connection part piece (3) having a type signal source (16) such as a bar code unique to the is attached in a sealing manner, and a front end part is provided with a horizontal receiving part piece (4) extending forward from the lower surface thereof. Has been done.

Reference numeral (5) is a guide hole which is provided at an intermediate position on the lower surface of the cylindrical body (1) and which is long in the longitudinal direction, and is formed with a width such that a flexible hose (20) 'described later can be freely inserted. (6) is a connector provided on the lower surface of the rear part of the tubular body (1), through which the connectors a _{1 to} a ₆ and b, c ₁ , c ₂ , c ₃ and the conductor (7) are respectively provided. The connected connecting element is installed. (8) is a tubular body (1) at a front position in the tubular body (1) via a support piece (9).
A guide roller (10) is rotatably attached in a direction orthogonal to the support roller (10) at a front portion of the cylindrical body (1) with a support piece (11).
Is an actuating plate mounted so as to perform a seesaw motion in the up-and-down direction via, and the front half of the actuating plate extends forward so as to face the receiving part (4). (12) is the operating plate (10)
An actuating signal element, such as a microswitch, provided at a position facing the rear part of the actuating element, which is connected to one of the connectors a _{1 to} a ₆ and has an actuating notch (12) ′. Normally presses the rear half of the operating plate (10) so that the front half of the latter floats above the receiving piece (4). (13) is a mounting screw hole, and the supporting member A'is constituted by the above. Reference numeral (20) is a dental treatment instrument that constitutes a treatment instrument unit A with the support member A ′, in which the flexible hose (20) ′ is drawn out rearward.
As is well known, a tube for circulating a required fluid and a conductive wire connected to the electrical signal connector b or the power supply connector c ₁ , c ₂ , c ₃ are inserted in the 0) ′. Yes,
As shown in FIG. 2, after the end of the flexible hose (20) 'is connected to the connecting tool (6), it hangs down in a U shape and is connected to the tip of the dental treatment instrument (20). Is placed on the operating plate (10) so that the tip of the
The load pushes up the actuating notch (12) 'and the actuating signal element (12) is left inoperative. The dental treatment instrument (20) comprises a joint member (21) and a hand-held member (22) which is detachably and rotatably connected.

Reference numeral B is a mounting base for mounting the support member A ', which constitutes a part of a treatment table or a technician table, or a table dedicated to a treatment instrument. The mount B has a length and a width suitable for supporting the rear portion of the tubular body (1), and a height substantially equal to that of the tubular body (1) is provided at the rear end of the rear plate (14). Is integrally formed with a protruding portion (15), and an opening portion (15) a opening at the rear surface is formed in the rear half portion of the protruding portion (15), and the front end portion thereof has
As shown in FIG. 3B, connecting members d _{1 to} d ₆ facing the respective connectors a _{1 to} a ₆ , electrical signal connecting members e facing the electrical signal connector b, and Working power supply connecting members c ₁ , c ₂ , c ₃ facing working power supply connecting members f ₁ , f ₂ ,
The f ₃ and the type information reading section (2) which faces the type signal source (16) and detects the information are embedded.

The connectors a _{1 to} a ₆ are for circulating pressurized air for driving the turbine, for circulating chip air for fog generation, for transmitting signal air, and air. It is distinguished into one for receiving a signal, one for circulating water for fog generation, and one for sucking cutting chips, and the power supply connectors c ₁ , c ₂ , c ₃ are It is divided into one for supplying electric power for operating the micromotor, one for supplying electric power for operating the air heating heater, and one for supplying electric power for illumination. When the supported dental treatment instrument is a handpiece for driving an air turbine, the first connector a ₁ for driving the turbine, the second connector a ₂ for tip air, and the third connector for signal air are used.
a ₃ , a fourth connector a ₄ for air signals, a fifth connector a ₅ for water, and a connector b for electric signals, a heater operating power supply terminal c ₂ and a lighting power supply terminal c ₃ . Is used, and when the dental treatment instrument is a micromotor handpiece, the second, third, fourth and fifth connectors a _{2 to} a ₅ and the electrical signal connector b, and a power supply Connector c ₁ , c ₂ , c ₃ is used, and when the dental treatment instrument is a dental syringe, the second, third, fourth and fifth connectors a _{2 to} a ₅ and The electrical signal connector b and the power supply connector c ₂ are used, and when the dental treatment instrument is a dental suction tool, the sixth suction connector a ₆ is used. Within the opening (15) a, the connectors a _{1 to} a ₆ and the connectors b
And a conductor box (18) containing the connecting members d _{1 to} d ₆ and b, c ₁ , c ₂ , c ₃ for connecting the power supply connectors c ₁ , c ₂ , c ₃ to an external device, respectively. ) Has been placed. (19) is a set screw for fixing the treatment instrument unit A on the mounting base B.

Next, when the configuration of the operation circuit of the device of the present application is described in detail with reference to FIG. 4, C indicates a treatment device main body, and the treatment device main body C includes an identification information signal from the type information reading section (2),
Controlled by a command signal from an identification command circuit (25) that distinguishes the detection signal from the detection circuit (24) that detects the pick-up signal of the treatment instrument from the actuation signal element (12) and outputs a command signal It comprises a working medium control unit (32) for setting the supply of the working medium suitable for the therapeutic instrument, and this working medium control unit (32) comprises a drive air supply circuit (26), a chip air supply circuit (27) and a water supply unit. A supply circuit (28), an operating power supply circuit (29) for setting required electric energy such as the direct current, high frequency current or ultrasonic current, a lighting power supply circuit (30), and a suction circuit (36). The drive air supply circuit (26) is provided with a plurality of working medium supply circuits necessary for the operation of various therapeutic instruments such as a warming power supply circuit (31).
The chip air supply circuit (27) has an air source (33), and the water supply circuit (28) has a water supply source (34) for operating power supply circuit (2).
9), a power source (35) is connected to the lighting power supply circuit (30) and the heating power supply circuit (31), and a suction source (37) consisting of a vacuum pump is connected to the suction circuit (36). There is.
Reference numeral (38) is an operation switch for outputting the working medium from the working medium supply circuit in which the supply of the working medium is set by controlling the operation medium control unit (32) by a hood operation, for example.

In use, however, as shown in FIG. 4, when the treatment instrument unit A including the treatment instrument (20) in which the hand-held member (22) is connected to the joint member (21) is attached to the attachment base B, the type information is obtained. The type information of the treatment instrument unit from the reading unit (2) is output to the identification command circuit (25).

In this state, when the therapeutic instrument (20) is picked up from the actuation plate (10), the actuation plate (10) is tilted by the pressing of the actuation notch (12) ', the actuation signal element (12) is actuated, and the pick-up signal is sent. The operation signal element (12) outputs the signal from the detection circuit (24) via the air signal connector a ₃ and the connection member d ₃ , which is input to the identification command circuit (25). The working medium supply control section (32) has a working medium supply circuit necessary for operating the treatment instrument (20), for example, in the case of an air turbine handpiece, an air turbine and a pressurized air supply circuit for spraying (26). ) And (27), water supply circuit for spraying (28)
And a power supply circuit for lighting (30), and in the case of a micromotor handpiece, a working power supply circuit (29) for operating a micromotor, a pressurized air supply circuit (27) for spraying, and lighting. Power supply circuit (30), and in the case of a syringe, of a pressurized air supply circuit (27) and a water supply circuit (28) for ejecting mist, water or pressurized air,
In addition, in the case of an ultrasonic scaler, the operating power supply circuit (29) for operating the ultrasonic transducer and the water supply circuit (28) for ejecting cooling water, and if it is a suction tool, suction A command signal for setting the output state of the circuit (36) is output.

When the operation switch (38) is operated from this state, an operation signal is given to the operation medium control section (32) and only the various operation medium supply circuits in the operable state are operated, and the operation medium is Mount B and flexible hose (5)
Is supplied to the treatment instrument (20) via the
Works.

When another different treatment instrument is used instead of the treatment instrument (20), the treatment instrument unit A is removed from the attachment base B and then the other treatment instrument unit is connected to the attachment base B. Then, the type information of the other therapeutic device unit is output to the identification command circuit (25), and if the therapeutic device is detached from the operating plate (10) and held by hand in this state, a command signal is output from the identification command circuit (25). When it is output to the working medium control section (32) and the operation switch (38) is operated in this state, other therapeutic instruments are operated as in the above embodiment.

In the above embodiment, the identification command circuit (25) is activated by the pick-up signal of the therapeutic instrument (20), and the command signal is output to the working medium supply control section (32) by this signal. It goes without saying that the signal may be omitted and the identification command circuit (25) may be operated according to the read information from the type information reading section (2).

FIG. 5 shows a second embodiment of the present application, and this embodiment shows a case where a plurality of treatment instrument units are simultaneously mounted on a mounting base. That is, D is a mounting base having a plurality of mounting mechanisms each having a working medium supply terminal and a signal terminal in the first embodiment, and a plurality of the treatment instrument units A can be replaced on the mounting base D. Is equipped with. FIG. 6 shows an embodiment of the operating circuit of this second embodiment, (41)
[(41) a to (41) c] are the hand-held members (42) [(42) a
To (42) c] and the joint member (43) [(43) a to (43)]
c] shows a handheld dental treatment instrument such as an air turbine handpiece, a micromotor handpiece, or a dental suction tool which is detachably connected to the treatment instrument (41) [(41) a to ( 41) c] are connected to the dedicated support members (44) [(44) a to (44) c] via flexible hoses, respectively, as in the above embodiment, and the treatment instrument unit A is connected.
It constitutes [Aa to Ac]. (46) [(46) a to (46) c] is a type information reading unit of the treatment instrument unit provided on the mount D holding the treatment instrument unit A, and the type information reading unit (46) corresponds to it. With the therapeutic instrument unit A held on the mount D, a signal specific to the therapeutic instrument provided on the therapeutic instrument unit A side, for example, a bar code is read and this signal is output to the identification command circuit (48) described later. . (49) [(49) a to (49) c] indicate actuation signal elements, and the pick-up information of the corresponding treatment instrument is sent to the identification command circuit (48) described later to the detection circuit (50) [(50) a to ( 50)
c]. An identification command circuit (48) which receives information from the type information reading section (46) and outputs a corresponding identification signal in response to a pick-up signal from the earliest detection circuit (50) in the treatment apparatus main body E. Besides, a pressurized air supply circuit (51) for receiving a command signal from the identification command circuit (48) and setting a suitable pressurized air corresponding to the signal, and responding to the signal by receiving the command signal A water supply circuit (52) for setting a suitable amount of water, an operating power supply circuit (53) for receiving the command signal and setting required electric energy such as direct current high frequency output or ultrasonic output corresponding to the command signal, the command signal And a plurality of working medium supply circuits, such as a power supply circuit for lighting (54) for receiving electric energy for lighting and a suction circuit (55) for setting required negative pressure supply by receiving the command signal. A working medium control section (56), While inputting the detection signal from the detection circuit (50) when the therapeutic device (41) is separated from the motion signal element (49) and outputting the earliest detection signal among the detection signals as a priority signal, Priority holding circuit (57) that holds the priority output state
And a switch (58) [(58) provided corresponding to each of the treatment instruments (41) and allowing the corresponding treatment instrument (41) to flow the working medium necessary for its operation when a priority signal is input. a,
(58) b, (58) c] and the pressurized air supply circuit (51) includes an air source (59) and a water supply circuit (5).
2) is a water source (60), the operating power supply circuit (53) and the lighting power supply circuit (54) are power sources (61), and the suction circuit (55) is a suction source (a vacuum pump). 62) are connected respectively. Reference numeral (63) is an operation switch for controlling the operation medium supply control section (56) by, for example, a hood operation to output only the required operation medium set from the operation medium supply circuit. Then, in use, for example, if the first treatment instrument (41) a is first detached from the hanger and hand-held, the picked-up signal is output from the detection circuit (50) a and is input to the latch circuit (63). Type information is input to the identification command circuit (48) from each type of information reading section (46) [(46) a to (46) c], and the latch circuit (63) outputs this type of information. , The first featured
Only the type information corresponding to the therapeutic instrument (41) a of No. 1 is latched, and the first therapeutic instrument (41) a is stored in the working medium control unit (56).
Commanding a signal for setting the output state of the working medium supply circuit necessary for the operation of the first treatment instrument (41) a, and the pick-up signal from the detection circuit (50) a accompanying the removal of the first treatment instrument (41) a is the priority holding circuit ( 57), and the priority holding circuit (57) outputs a priority signal only to the switch (58) a corresponding to the treatment instrument (41) a to open the switch (58) a. .

When the operation switch (64) is operated from this state by, for example, a hood operation, only the various working medium supply circuits that are in an operable state by the actuation signal being given to the working medium control section (56) are actuated, Is a mount (47) and a corresponding treatment instrument unit A via a switch (58) a,
The first treatment device (41) is provided via the flexible hose (65) a.
a, and the treatment instrument (41) a is activated. Then, in this state, the second and third therapeutic instruments (41) b and (41) c
Since the output state of the latch circuit (63) does not change even if the operator holds it, the output state of the identification command circuit (48) is maintained, and therefore the output state of the working medium from the working medium control section (56) is manipulated. It is held during the operation of the switch (64) and
Switch (58) by priority signal from priority holding circuit (57)
The open state of a is also maintained, and thus the second and third treatment instruments (41) b, (41) c do not operate in this state.

Further, in this state, when the first treatment device (41) a is hooked on the corresponding hanger (in this case, other treatment devices are hooked on the hanger), the priority holding circuit (5
The output of 7) disappears and the first switch (58) a is closed, and the identification command circuit (48), the latch circuit (63), and the priority holding circuit (57) are reset.

When replacing the treatment instrument (41) on the mount D with another treatment instrument such as an air turbine handpiece and replacing it with a micromotor handpiece, after removing the treatment instrument unit from the attachment D, another treatment instrument is removed. The support member (44) of the unit A is connected to the mounting base D. Then, the type information in the treatment instrument unit A is output to the identification command circuit (48), and the treatment instrument (41) is supported by the support member (4) from this state.
4) When it is removed and hand-held, a command signal is output from the identification command circuit (48) to the working medium control section (56). By operating the operation switch (64), the treatment instrument operates in the same manner as in the above embodiment.

It should be noted that FIG. 7 shows the case where the latch circuit (63) in the second embodiment is omitted and the identification command circuit (48) is latched by a priority signal obtained from the priority holding circuit (57). 3 shows the third embodiment, and its operation is similar to that of the embodiment shown in FIG.

Further, in any of the above-described embodiments, the treatment instrument unit A is a treatment instrument (20) in which a flexible hose (20) 'is led out backward, and the treatment instrument (20) is supported, and
An example is shown in which the end of the flexible hose (20) 'is connected so as to be able to supply a working medium, and a supporting member A'having an actuating signal element (23) that outputs a pick-up signal when the therapeutic instrument is held by hand. However, when the treatment device (20) is a treatment device for removing dental plaque and cleaning the teeth, as is well known, the flexible hose is supplied with pressurized air from the outside. Then, it is connected to a cleaning gas generation container that mixes an abrasive such as powder stored inside with pressurized air. Therefore, in this configuration, the cleaning gas generation container is connected to the mounting base.

Further, in the above embodiment, it goes without saying that an actuating signal element for generating a pick-up signal of the treatment instrument may be provided on the mounting base side.

EFFECTS OF THE INVENTION As described above, according to the present application, it is possible to automatically control only the working medium supply circuit necessary for the operation of the therapeutic instrument under suitable conditions simply by mounting the therapeutic instrument unit on the mounting base. In addition to being extremely convenient, the working medium supply circuit necessary for operating various treatment instruments is installed in the treatment device body such as the dental unit, so various types of different treatment devices can be used without changing the structure inside the treatment device body. Further, according to the present application, when a plurality of various treatment instruments are connected to the main body of the treatment device and any one treatment instrument is held by hand, the signal unique to the treatment instrument can be used. The earliest therapeutic device handheld by selecting only the working medium supply circuit necessary for operating the therapeutic device, setting it under suitable conditions, and operating the operation switch in this state. Since it is configured to operate only the working medium supply circuit, the structure inside the treatment device can be simplified by sharing the working medium supply circuit and only the earliest treatment instrument can be used with priority, so other treatment instruments can be handheld. It is convenient because it can be used for parts replacement.

[Brief description of drawings]

The drawing shows an embodiment of the present application, FIG. 1 is a plan view showing a state in which a treatment instrument unit is mounted on a mounting base and mounted on a treatment table, and FIG. 2 shows a state in which the treatment instrument unit is mounted on the mounting base. FIG. 3 is an enlarged vertical cross-sectional view, FIG. 3 is a rear view of a support member, FIG. 4 is a configuration diagram in the case where one treatment instrument is provided, and FIG. 5 is a plan view of a treatment table in which a plurality of treatment instrument units are provided. FIG. 6, FIG. 6 and FIG. 7 are configuration diagrams when a plurality of treatment instruments are provided. In the figure, (2) and (46) are type information reading sections, (12) and (4
9) is an actuation signal element, (20) and (41) are therapeutic devices, and (2
0) 'and (65) are flexible hoses, (21) and (43 are joint members, (22) and (42) are hand-held members, (25) and (49) are identification command circuits, and (26) is Drive air supply circuit, (27) chip air supply circuit, (28), (52) water supply circuit, (2
9) and (53) are operating power supply circuits, (30) and (54) are lighting power supply circuits, (31) is a heating power supply circuit, and (3)
2) and (56) are working medium control units, (36) and (55) are suction circuits, (38) and (64) are operation switches, (44) is a support member, (51) is an operating power supply circuit, (57) is a priority holding circuit, (58) is a switch, (63) is a latch circuit, A is a treatment instrument unit, B and D are mounts, and C and E are treatment apparatus main bodies.

Claims (8)

[Claims] 1. A reading device for connecting a treatment instrument unit equipped with a handheld treatment instrument that is actuated by an actuation medium so as to be detachable and actuable medium supplyable, and to output type information of the connected treatment instrument unit. And a plurality of different working medium supply circuits necessary for the operation of various therapeutic instruments, which are selected by an identification command circuit described later by an operation signal from the operation switch, and , Select the required working medium supply circuit by inputting the type information of the therapeutic instrument unit from the mounting base and the operating medium control section that operates the working medium supply circuit under the set conditions, and select it Consists of a treatment device body such as a dental unit equipped with an identification command circuit that is set under conditions suitable for operation, and supplies the working medium from the mounting base to the treatment instrument unit Dental treatment apparatus characterized by being configured to so that. 2. A treatment instrument unit comprising a treatment instrument from which a flexible hose is drawn out, and a support member for supporting the treatment instrument and connecting the flexible hose so as to supply a working medium. Dental treatment device according to claim 1. 3. A therapeutic instrument is an air turbine handpiece,
A micromotor handpiece, a dental syringe or a dental suction tool, and the working medium supply circuit includes a drive air supply circuit, a chip air supply circuit, a water supply circuit, an operation power supply circuit, a lighting power supply circuit, Claim 1 comprising a warm power supply circuit and a suction circuit
The dental treatment device according to item 2 or item 2. 4. A treatment instrument unit connects a treatment instrument for cleaning teeth, which has led out a flexible hose, with the flexible hose, and receives supply of pressurized air to generate a cleaning gas body. The dental treatment apparatus according to claim 1, further comprising a generating container. 5. A plurality of treatment instrument units, each of which is composed of a hand-held treatment instrument that is actuated by an actuation medium and a support member that supports the treatment instrument and that connects the treatment instrument so that the actuation medium can be supplied, are detachably attached. Further, it is provided with a mounting base which is connected so as to be able to supply a working medium and which has a reading section corresponding to each instrument unit which outputs the type information of each connected treatment instrument unit. And a working medium control unit that has a plurality of different working medium supply circuits required for, is selected by an identification command circuit described later by an operation signal from an operation switch, and operates the working medium supply circuit under set conditions. , Which is provided for each treatment device, and preferentially holds only the earliest signal among the picked-up signals generated by picking up the treatment device. The previous holding circuit, a latch circuit for holding the output of the identification command circuit to be described later when the associated priority signal from the pick signal or the priority holding circuit, an input type information of the treatment instrument unit from the mount,
A desired working medium supply circuit is set by a latch signal from the latch circuit under conditions suitable for the operation of the treatment instrument corresponding to the priority signal, and an identification command circuit whose state is latched, and the priority holding circuit. A dental treatment device including a treatment device main body such as a dental unit having a switch corresponding to each treatment device that allows the working medium to flow to the treatment device in response to a priority signal from the treatment device body. 6. A treatment instrument comprising a flexible hose led out,
The dental treatment apparatus according to claim 5, wherein the flexible hose is connected to a support member. 7. A therapeutic instrument is an air turbine handpiece,
A micromotor handpiece, a dental syringe or a dental suction tool, and the working medium supply circuit includes a pressurized air supply circuit, an operating power supply circuit, a lighting power supply circuit, a suction circuit, etc. Dental treatment device according to claim 5 or 6. 8. A treatment instrument unit, wherein one of the treatment instrument units is connected to the treatment instrument for cleaning a tooth from which a flexible hose is led out, and is supplied with pressurized air to generate a cleaning gas. The dental treatment apparatus according to claim 5, further comprising a container.