JPH0651043B2 - Dental treatment equipment - Google Patents

Description

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

2. Description of the Related Art Conventional technology and its problems Conventionally, a flexible hose of a dental treatment instrument including an actuating portion that is actuated by supplying a working medium is attached to a treatment device body such as a dental unit, and the working medium is transferred from the device body. A dental treatment apparatus configured to supply to a dental treatment instrument is known, and a treatment instrument including an operating portion that operates by receiving a supply of a working medium includes an air turbine that operates by receiving tribe air, An air turbine handpiece, which is equipped with an ejection port for ejecting a cooling mist in response to the supply of chip air and water, and an optical conductor for guiding a light beam for illuminating the treatment section to the distal end, receiving power supply. A micromotor handpiece comprising a micromotor for rotating a cutting tool, and a jet port for jetting a cooling mist to a treatment part upon receiving supply of chip air and water, chip air, and A tribble syringe that is supplied with water and has a nozzle that selectively ejects air, water, or mist by button operation, an electric scalpel that performs incision treatment of gingiva, etc. by applying a high-frequency current to the blade body, a pulse oscillator Root canal length measuring instrument having a measuring needle that operates by receiving the output of the root canal, and a root canal cleaner or an ultrasonic scaler that has a vibrating element that operates by receiving the output of an ultrasonic oscillator Suction removal tool for sucking and removing saliva, cutting powder, etc., or a light source for photopolymerization that emits light when supplied with operating power. There is known a dental photopolymerizer for irradiating a photopolymerized material filled in a tube to cure it.

By the way, each of the above-mentioned treatment instruments is connected to a dedicated working medium supply circuit provided inside the treatment device main body through a flexible hose, so that when the treatment device main body is equipped with many treatment instruments, In the case where many hoses are pulled out from the main body of the treatment apparatus, therefore, when the hose members interfere with each other and hinder the treatment work, or when such many treatment devices are held on the treatment table, There is an inconvenience that the weight of the treatment instrument and the flexible hose acts on the treatment table to exert an unbalanced weight on the table or the mechanical structure of the table must be strengthened. There were inconveniences such as complexity.

Objects and Examples and Effects Thereof, the first and second inventions of the present application are configured so that a flexible hose can be commonly used for various kinds of therapeutic instruments, and when used, selectively connect a desired therapeutic instrument to a joint member. At this time, the type of the connected therapeutic instrument is read, and the read signal is guided to the main body of the treatment apparatus, and it is necessary for the operation of the treatment instrument among various working medium supply circuits equipped in the main body of the treatment apparatus. A working medium supply circuit is configured to operate under optimum conditions, and the third and fourth inventions of the present application presume a working medium supply circuit required for various types of treatment instruments, and a treatment apparatus main body. And a common working medium output joint member is provided for this, and a connection member provided at the rear end of a dedicated flexible hose provided in the treatment instrument during operation is selectively connected to the joint member. When, the type of the treatment instrument is detected The detection signal is sent to the treatment apparatus main body side through the detection means, and only the working medium supply circuit necessary for the operation of the treatment instrument is operated among the various operation medium circuits equipped in the apparatus main body. With this configuration, the inconvenience of the above-mentioned conventional one is solved.

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

A shows a treatment device body such as a dental unit, and a flexible hose (1) is led out from a proper place on a side wall of the device body A,
A joint member (2) is equipped at the tip of the flexible hose (1). The information input from the joint member (2) is read in the treatment device main body A, the desired medium supply circuit to be described later is selected by identifying what it is, and the selection is made at the time of inputting the operation signal. Identification command circuit that holds the status (3)
In addition to the drive air supply circuit (4) that is selected by the command signal from the identification command circuit (3) and that sets the optimum output of pressurized air for drive, A chip air supply circuit (5) that sets the output of the pressurized air for chips, a water supply circuit (6) that is selected by the command signal and that sets the optimum amount of water, and a joint member (2 that receives the command signal. Light source power supply circuit for supplying light source power of a lamp or the like having a value suitable for the treatment instrument to
(7), selected by the command signal, and direct current,
It incorporates an operating power supply circuit (8) that sets the required electric energy such as high-frequency current or ultrasonic current, and a suction circuit (9) that is selected by the command signal and that sucks saliva, cutting chips, etc. The identification command circuit (3) side is provided with a working medium supply control section (10) which is operation-controlled by an operation signal from the operation switch (17) and a power supply path (11) which is normally installed in the flexible hose (1). And a switching circuit (12) connected to the operating power supply circuit (8) side at the time of switching, and the pressurized air supply circuits (4) and (5) have a pressurized air source (13 ), The water supply circuit (6) has a water source (14), and the operating power supply circuit (8), the light source power supply circuit (7) and the identification command circuit (3) have a power supply (15).
However, the suction circuit (9) also has a vacuum source equipped with a vacuum pump.
(16) are connected respectively. (17) is operated by, for example, a foot operation to latch the operation of the identification command circuit (3), switch the switching circuit (12), and operate the working medium supply control unit (1).
It is an operation switch that gives an operation signal to 0).

The joint member (2) has a base (1) as shown in FIG.
The insertion barrel (19) is provided so as to project from the center of the front surface of (8), and the fitting protrusion (21) having a small diameter is projected at the tip of the insertion barrel (19) via the inclined portion (20). It is made by installing the insertion shaft of this joint member (2).
On the outer peripheral surface of (19), a pair that connects with the electric passage (11) led from the identification command circuit (3) through the flexible hose (1) into the joint member (2). Ring-shaped connecting pieces (22), (22)
And a circumferential groove connected to the water passage (23) led from the water supply circuit (6) through the flexible hose (1) into the joint member (2).
(24) and the flexible hose from the chip air supply circuit (5)
(1) A peripheral groove (26) which is connected to the supply path (25) guided through the inside of the joint member B and a peripheral groove (which communicates with the suction circuit (9) through the suction path (52) ( 27) and communicates with the air supply passage that is located in the inclined portion (20) and is guided from the drive air supply circuit (4) through the flexible hose (1) into the joint member (2). An opening (29) is provided for each of the fitting projections (2
At the tip of 1), a power supply path (30) led into the joint member (2) through the flexible hose (1) in the light source power supply circuit (7).
A light source body (31) such as a lamp, which is connected via a lamp, is installed.

B _{1 to} B ₇ are selectively rotatably and removably connected to the joint member (2), and read signal contact for sliding contact with the connecting piece (22) provided on the joint member (2) at the time of connection. Each of the hand-held tools of various therapeutic instruments provided with the child (32) is shown, and each of the hand-held tools B _{1 to} B ₇ is opened at the rear surface to the rear end axial core portion of the shaft body (33), and the joint member (2 ), The fitting recess (34) for tightly fitting the insertion barrel (19) and the insertion hole (35) for tight fitting with the fitting projection (21) connected to the front end of the fitting recess (34). ) Are provided, and a proper signal source (36) connected to the contactor (32), which is composed of, for example, a resistor, is installed in the shaft body (33).

FIG. 2 shows a cross section of the main part of the hand-held device B ₁ in the air turbine handpiece that operates by receiving the supply of drive air, chip air and water, and the insertion hole (35) in the shaft body (33) a. ) From a light guide (37) extending to the tip of the air turbine handpiece Ba, and a drive air passage (38) communicating with the opening (29) and supplying pressurized air to the air turbine in the tip. A water passage (39) and a chip air passage (40), which are in communication with the circumferential groove (24) and the circumferential groove (26) and supply water and chip air to the ejection port of the tip, are provided. Further, FIG. 3 (a) shows a cross section of a main part of the hand-held device B ₂ in the micromotor handpiece, and the ring-shaped connecting piece (22), (22) is provided in the shaft body (33) b. ) And an operating power passage (41) for supplying operating power to the micromotor, and a peripheral groove (2
4) and the peripheral groove (26) are respectively provided with a water passageway (42) and a chip air passageway (43) for supplying water and chip air to the ejection port at the tip end, respectively. Shows a cross section of a main part of the hand-held device B ₃ in the ultrasonic scaler.
(33) In c, an operating power passage that is connected to the ring-shaped connecting pieces (22) and (22) to supply operating power to the ultrasonic transducer.
And (45), the circumferential groove (24) and water channel (45) for supplying water to spout the tip head communicates Togaotto people is provided with, FIG. (C), the hand-held device B ₄ in the syringe The cross section of the main part of the shaft body (33) d is connected to the peripheral groove (24) and the peripheral groove (26) to supply water and chip air to the ejection nozzle at the tip of the head. The operating electric power is supplied to the heater for heating water flowing in the water passage (46) by connecting to the water passage (46) and the chip air passage (47) and the ring-shaped connecting pieces (22) and (22). Each of the operating power passages (48) to be supplied is provided, and the figure (d) shows a cross section of the main part of the hand-held device B ₅ in the electric knife, and the shaft (3
3) In e, an operating power passage (49) that is connected to the ring-shaped connecting pieces (22) and (22) and supplies a high-frequency current to the tip blade body.
And (e) in the same figure (e) shows the cross section of the main part of the hand-held device B ₆ in the dental suction device, and in the shaft body (33) f,
A suction passage (50) communicating with the circumferential groove (27) for sucking and removing saliva, cutting wastes and the like in the oral cavity is provided, and the same figure (f) shows the essentials of the hand-held device B ₇ in the dental photopolymerizer. Partial cross section showing shaft
(33) An operating power passage (51) connected to the ring-shaped connecting pieces (22) and (22) in g to supply power to the light source for photopolymerization
Is provided.

Then, when using the air turbine handpiece,
Connect the hand tool B ₁ for the air turbine handpiece to the joint member (2). Then, the water supply circuit (6) and the water passageway (39), the drive air supply circuit (4) and the drive air passageway (38) and the chip air supply circuit (5) and the chip air passageway through the joint member (2).
(40) communicates with each other, the light source body (31) and the rear end face of the light guide (37) face each other, and the ring-shaped connecting piece (22), (2
The reading contactor (32) is pressed against 2) and the identification command circuit (3) reads the unique signal source (36) a of the handheld device B ₁ , that is, the unique resistance value set in the air turbine handpiece. Water supply circuit and pressurized air supply circuit required for operating the air turbine handpiece according to the command signal from the identification command circuit (3)
(4), (5) and the light source power supply circuit (7) are selected respectively, and the amount of water, air pressure and power suitable for the operation of the air turbine are set.

When the operation switch (17) is operated from this state, an operation signal is given from the operation switch (17) to the working medium supply control section (10), and among the circuits constituting the working medium supply control section (10). Water supply circuit required to operate the handpiece
(6), pressurized air supply circuit (4), (5) and light source power supply circuit
(7) is activated respectively, and this state is changed to the operation switch (1
The identification command circuit (3) is held by being latched by the signal of 7), and the switching circuit (12) is the identification command circuit.
The connection is switched from the (3) side to the operating power supply circuit (8) side.

Therefore, the flexible hose (1) and the joint member are attached to the hand tool B _1.
Drive air and water, which are respectively set to values suitable for the operation of the handpiece, are introduced via (2), the air turbine is operated, mist is ejected from the head, and the cutting part is illuminated. Thereby, the cutting work of the teeth and the like is performed.

When using a micromotor handpiece,
Hand tool B ₂ for micromotor handpiece on joint member (2)
Connect. Then, through the joint member (2), the water supply circuit
(6) communicates with the water passageway (42), the chip air supply circuit (5) communicates with the chip air passageway (40), and the energization path (11) and the unique signal source
(36) b and operating power path (41) and is electrically connected, the identification command circuit (3) is unique for example resistance value set in the specific signal source (36) b That micromotor handpieces hand tool B ₂ Read, and the water supply circuit required to operate the micromotor handpiece by the command signal from this identification command circuit (3)
(6), chip air supply circuit (43) and operating power supply circuit (8)
And the water amount, air pressure, and electric power suitable for the operation of the handpiece are set.

When the operation switch (17) is operated from this state, an operation signal is given from the operation switch (17) to the working medium supply control section (10), and among the circuits constituting the working medium supply control section (10), Water supply circuit required to operate the handpiece
(6), chip air supply circuit (5) and operating power supply circuit (8)
Are activated respectively, and this operating state changes to the operation switch (1
The identification command circuit (3) is held by being latched by the signal from 7), and the switching circuit (12) switches from the identification command circuit (3) side to the operating power supply circuit (8) side. Therefore, the water chip air and the operating power set to the values suitable for the operation of the handpiece are introduced into the handholding tool B ₂ through the flexible hose (1) and the joint member (2), and the micromotor is operated. As it operates, mist is ejected from its head, which causes cutting work such as teeth.

When using the ultrasonic scaler, the ultrasonic scaler hand-held device B ₃ is connected to the joint member (2). Then, the water supply circuit (6) and the water passageway (45) communicate with each other via the joint member (2),
Power supply path (11), unique signal source (36) c, and operating power supply path (4
4) is communicated people communicate respectively, the identification command circuit (3) reads the specific signal source (36) Specific example resistance value set to c ie ultrasonic scaler hand tool B _4, from the identification command circuit (3) Water supply circuit required for operation of ultrasonic scaler by command signal (6)
Also, the operating power supply circuit (8) is selected, and the amount of water and the power suitable for operating the ultrasonic scaler are set.

When the operation switch (17) is actuated from this state, an output signal is given from the operation switch (17) to the working medium supply control unit (10), and the scaler of the circuits constituting the working medium supply control unit (10) is concerned. The water supply circuit (6) and the operating power supply circuit (8) necessary for the operation of each of them operate, and this operation state is identified by the signal from the operation switch (17).
It is held by latching (3), and the switching circuit
(11) is an operating power supply circuit (8) from the identification command circuit (3) side
Switch to the side. Therefore, attach the flexible hose (1) to the hand tool B _3.
Water and operating power adjusted to a value suitable for the operation of the scaler are introduced via the joint member (2), the scaler chip vibrates, and water is supplied to the tip of the scaler chip, whereby plaque is plucked. Etc. are removed.

When a syringe is used, the syringe holder B ₄ is connected to the joint member (2). Then, the water supply circuit (6) and the water passageway (46), the chip air supply circuit (5) and the chip air passageway (47) communicate with each other through the joint member (2), and the energization path (11) and the unique signal source (36) d and the operating power passage (48) are electrically connected,
Identification command circuit (3) reads the specific example, a resistance value set on the specific signal source (36) d In other words syringe hand tool B _4, required by a command signal from the identification command circuit (3) for the operation of the syringe The water supply circuit (6), the chip air supply circuit (5) and the operating power supply circuit (8) are selected, and the amount of water, the air pressure and the electric power suitable for the operation of the syringe are set.

When the operation switch (17) is operated from this state, an operation signal is given from the operation switch (17) to the working medium supply control unit (10), and among the circuits constituting the working medium supply control unit (10). Water supply circuit (6) required for operation of the syringe,
The chip air supply circuit (5) and the operating power supply circuit (8) respectively operate, and this state is maintained by being latched by the signal of the operation switch (17), and the switching circuit (1
2) is the operating power supply circuit (8) from the identification command circuit (3) side
The connection switches to the side. Therefore, water, chip air and operating power set to values suitable for the operation of the syringe are introduced into the handholding tool B ₂ through the flexible hose (1) and the joint member (2), and its head Pressurized air, warm water, or mist is ejected from the nozzle, which is used to clean teeth.

In the case of using the electric knife connects the hand tool B ₅ for electric knife to the joint member (2). Then electric path (11) and the specific signal source (36) e and operating power supply passage (49) communicates an identification command circuit (3) is set to a unique signal source (36) e i.e. electrical female hand tool B ₅ For example, by reading the resistance value peculiar to it, the operating power supply circuit (8) necessary for the operation of the electric knife is selected by the command signal from the identification command circuit (3), and the electric power suitable for the operation of the electric knife is set. .

When the operation switch (17) is operated from this state, an output signal is given from the operation switch (17) to the working medium supply control unit (10), and among the circuits constituting the working medium supply control unit (10). Operation power supply circuit required for operation of the electric knife
(8) is activated, and this state is held by the discrimination command circuit (3) being latched by the signal from the activation switch (17), and the switching circuit (12) is the discrimination command circuit.
Switch from (3) side to operating power supply circuit (8) side.

Therefore, the operating power is conducted to the handholding tool B _5, and the blade body is energized to perform work such as incision of the gingiva.

When a dental suction tool is used, the suction tool hand-held device B ₆ is connected to the joint member (2). Then, the suction circuit (9) and the suction passageway (50) communicate with each other via the joint member (2), and the reading contact (32) is pressed against the ring-shaped connecting piece (22), (22). Te identification command circuit (3) reads the specific example, a resistance value set on the hand-held tool-specific signal source B ₆ (36) f that dental suction tool, dental by a command signal from the identification command circuit (3) Select the suction circuit (9) required to operate the suction tool.

Then, in this state, when the operation switch (17) is pressed, an output signal is given from the operation switch (17) to the working medium supply control unit (10), and a circuit constituting this working medium supply control unit (10) is supplied. Of these, the suction circuit (9) necessary for the operation of the handpiece is activated, and this state is the operation switch (17).
The identification command circuit (3) is held by being latched by the signal from. In this case switching circuit (12) said identification command circuit (3) switched to the operating power supply circuit (8) side from the side, but the supply of operating power is not required, not supplied to the hand tool B _6. Therefore, the hand tool B ₆ is a flexible hose.
The suction source (16) communicates with the suction source (16) via the (1) and the joint member (2), and saliva, cutting waste, and the like in the oral cavity are suctioned and discharged.

When the photopolymerizer is used, the joint member (2) is connected to the handheld device B ₇ for the photopolymerizer. Then electric path (11) and the specific signal source (36) g and operating power supply path (51) communicates an identification command circuit (3) is unique signal source hand tool B ₇ (36) to g or light polymerization apparatus Read the unique resistance value set, and identify the command circuit
The operation power supply circuit (8) required for the operation of the photopolymerizer is selected by the command signal from (3), and the electric power suitable for the operation of the photopolymerizer is set.

Then, when the operation switch (17) is operated from this state, an output signal is given from the operation switch (17) to the working medium supply control unit (10), and the working medium supply control unit (10) is out of the circuit concerned. Operation power supply circuit required for operation of photopolymerizer
(8) operates, this state is held by the identification command circuit (3) being latched by the signal from the operation switch (17), and the switching circuit (12) is the identification command circuit.
Switch from (3) side to operating power supply circuit (8) side. Accordingly, the operating power is conducted to the hand-held device B ₇ , and the light source for photopolymerization is energized to irradiate the photopolymerizable material with which the defective or perforated portion of the tooth is filled with light rays from the tip of the tip to cure it.

The above is the operation power supply circuit in the main body A of the treatment apparatus.
(8) and a switching circuit (12) are provided, the identification command circuit (3) is connected to the electric path (11) in the normal state, and when the operation switch (17) is operated, the operation signal causes the switching. Circuit (12)
The operation power is supplied to the hand-held portion B connected to the joint member (2) by switching the switch and the operating power supply circuit (8). However, the hand-held device does not necessarily need to be supplied with operating power. Not used, for example, hand tool B ₁ for air terpin handpiece, hand tool B ₄ for syringe without heater for heating water, or hand tool B ₆ for dental suction
If the handheld device does not require the supply of operating power, the operating power supply circuit (8) and switching circuit (12) are omitted and the identification command circuit (3) Road (1
Directly connected to 1).

By the way, according to the above-mentioned embodiment, in addition to the current-carrying path (11) communicating with the unique signal source (36) in the flexible hose (1), the necessary connections for various hand tools B _{1 to} B ₇ are provided. Waterway (23), air supply (2
5), (28), the energizing path (30) and the suction path (52), the flexible hose (1) is equipped with all of them even though the hand tool does not need all of them. ) Will be used, therefore, in the treatment work performed while holding the handheld device,
There is a possibility that the weight of the flexible hose (1) may act on the held hand and become a burden on the holding operation.

Therefore, FIG. 4 shows another embodiment of the present invention in which the above-mentioned fear is eliminated, and the point different from the above-mentioned first embodiment is that the side wall of the treatment apparatus main body A such as a dental unit is properly placed in various places. A joint member (53) corresponding to the joint member (2) in the first embodiment having an output section for outputting a working medium is provided, and the treatment instrument C [Ca to Cg] is attached to the hand-held member (54) [( 54)
a to (54) b], and a flexible hose (55) [(55) a to (5) dedicated to the rear end that is rotatably and detachably connected to the
5) g] connecting member (56) ((56) a to (56) g],
Attached to the rear end of the flexible hose (55) and connected to the joint member (53) in a rotatable and detachable manner,
A unique signal source (36) is provided, that is, FIG. 2 and FIG.
To (f), the connecting member (57) [(5 having the same structure as the rear end of the handholding tool B [Ba to Bg] in the first embodiment.
7) a to (57) g), and in use, the connection members (57) a to (57) g are selectively connected to the joint member (53). The operation is the same as in the case of the first embodiment, and in the case of this embodiment as well, as described above, when the target is a handheld device that does not require the supply of operating power, the operating power is The supply circuit (8) and the switching circuit (12) are omitted.

Although the above embodiment shows the case where the specific signal source (36) is set by the resistance, it may be set by the inductance or the capacitance.

As described above, according to the present application, the working medium supply circuit necessary for actuation of various therapeutic instruments is provided in the dental unit, and each holding member is provided with its own signal source. When connected to the joint member, since only the working medium supply circuit necessary for operating the handheld member based on the unique signal source is configured to operate selectively and under suitable conditions, Since the hand-held member can be commonly connected to the same joint member, it is not necessary to equip each treatment instrument with a flexible hose as in the conventional case, which is economical and the flexible hose can be used together. Since there is no fear of getting entangled, it is convenient for treatment work, and unlike the conventional case, there is no fear that an excessive unbalanced load will be applied to a treatment table or the like on which a treatment instrument is placed. Electric wire in hose As a path, the number of electric wires inside the flexible hose is reduced by sharing the signal path of the detection signal and the operating power supply path, so that the flexible hose can be configured flexibly and lightly. When using a therapeutic instrument composed of a hand-held member, a connecting member, a flexible hose and a connecting member, a lightweight hose having a flexible hose and having only a supply passage of a working medium necessary for operating the therapeutic instrument is used. Since a flexible hose can be used, it is effective for the operability of the treatment instrument for treatment work, and the signal path of the detection signal and the operating power supply path are shared as the electric line in the main body of the treatment apparatus. Because I did
There is an advantage that the work of defeating the wiring of the electric line and the internal structure of the joint member become simpler.

[Brief description of drawings]

The drawings show an embodiment of the present application, and FIG.
The figure is an explanatory view showing the relationship between the connecting member and the joint member of the air turbine handpiece, FIGS. 3 (a) to (f) are longitudinal sectional views of the main parts of the connecting member of various therapeutic instruments, and FIG. It is a whole block diagram which shows the Example of. In the figure, (1) and (55) are flexible hoses, (2) and (53) are joint members,
(3) is an identification command circuit, (4) is a drive air supply circuit, (5)
Is a chip air supply circuit, (6) is a water supply circuit, (7) is a light source power supply circuit, (8) is an operating power supply circuit, (9) is a suction circuit,
(10) is a working medium supply control unit, (12) is a switching circuit, (17) is an operation switch, (32) is a read signal contactor, (36) is a unique signal source, (37) is an optical conductor, ( 38) is the drive air passage, (39), (4
2), (45) and (46) are water passages, (40), (43) and (47) are chip air passages, and (41), (44), (48), (49) and (51) are activated. Power passage, (50) suction passage, (52) suction passage, (54) hand-held member,
Reference numeral (56) is a connecting member, (57) is a connecting member, A is an apparatus main body, B is a hand tool, and C is a therapeutic instrument.

Claims (24)

[Claims] 1. A plurality of working medium supply circuits, each of which comprises a working fluid supply circuit necessary for operating a hand-held device for various therapeutic instruments, and which is selected by an identification command circuit described later by an operation signal from an operation switch. The working medium control unit that operates the working medium supply circuit and the unique signal provided in the hand-held device for various therapeutic instruments are read, the required working medium supply circuit is selected according to the read signal, and the circuit is selected. A treatment apparatus main body such as a dental unit which is set under suitable conditions and which includes an identification command circuit which holds the selected state of the working medium supply circuit in response to a signal from the operation switch; And a flexible hose internally provided with an electric passage connected to the working medium flow and the identification command signal circuit, which is communicated with each of the working medium supply circuits. A joint member, which is attached to the tip and which sends the working medium in communication with each of the working medium flow passages, has a reading unit connected to the electric passage, and is detachably connected to the joint member, Further, it has its own working medium passage and its own signal source, allows the working medium to communicate with its own working medium passage at the time of connection with the joint member, and conducts the own signal source to the reading section. A dental treatment device comprising a plurality of hand tools for a treatment instrument. 2. The dental treatment apparatus according to claim 1, wherein a unique signal source is set by a resistance value. 3. The dental treatment apparatus according to claim 1, wherein a unique signal source is set by an inductance. 4. The dental treatment apparatus according to claim 1, wherein the unique signal source is set by a capacitance. 5. The dental treatment apparatus according to claim 1, claim 2, claim 3 or claim 4, wherein the joint member and the handholding tool are connected in a rotatable and detachable manner. 6. The dental treatment device according to claim 1, 2, 3, 4, or 5, wherein the operation switch is a foot switch. 7. A plurality of working medium supply circuits, a working fluid supply circuit and an operating power supply circuit necessary for operating various hand tools for therapeutic instruments, are provided inside, and are described later by an operation signal from an operation switch. The working medium control unit that operates the working medium supply circuit selected by the identification command circuit, and the unique signal provided in the various hand tools for the therapeutic instruments are read, and the required working medium supply circuit is selected according to the read signal. And the operating medium control circuit is configured by an identification command circuit that sets the circuit under suitable conditions and holds the selected state of the working medium supply circuit by the signal of the operation switch, and a signal of the operation switch. For operating a dental unit or the like, which comprises a switching circuit for switching the connection between the operating power circuit and the identification command circuit, and the treatment device main body to the outside. And a flexible hose internally provided with working fluid passages respectively communicating with the working fluid supply circuit and electric passages normally connected to the identification command signal circuit via the switching circuit, and attached to this tip And a coupling member that communicates with each of the working fluid flow passages and sends out the working fluid, and that has a reading portion that is connected to the electric passage, and that is detachably connected to the coupling member and that is operated by itself. A medium passage and a unique signal source, and when communicating with the coupling member, allows the working fluid to communicate with the working fluid passage of the own member; and a circuit of the unique signal source and the own electric actuating portion. A dental treatment apparatus comprising a plurality of hand tools for a treatment instrument that are electrically connected to a reading unit. 8. The dental treatment apparatus according to claim 7, wherein a unique signal source is set by a resistance value. 9. The dental treatment apparatus according to claim 7, wherein a unique signal source is set by an inductance. 10. The dental treatment apparatus according to claim 7, wherein a unique signal source is set by a capacitance. 11. A joint member and a hand-held device which are connected in a rotatable and detachable manner, as claimed in claims 7, 8 and 9.
Item 10. The dental treatment device according to item 10. 12. The invention according to claim 7, claim 8, claim 9 or claim 1, wherein the operation switch is a foot switch.
The dental treatment apparatus according to item 0 or 11. 13. A plurality of working medium supply circuits consisting of a working fluid supply circuit necessary for operating various treatment instruments are provided inside, and selected by an identification command circuit described later by an operation signal from an operation switch. The working medium supply control unit that operates the working medium supply circuit and the signals unique to the various treatment instruments are read, the required working medium supply circuit is selected according to the read signal, and the circuit is set under suitable conditions. In addition, an identification command circuit that holds the selected state of the medium circuit by a signal from an operation switch, and a working medium that is in communication with each of the working medium supply circuits that are provided in appropriate places on the side wall, and that sends the working medium, and A main body of a treatment apparatus such as a dental unit, which is provided with a joint member having a reading unit for connection, and a connecting member connected to a hand-held member, and a special member drawn from the rear end thereof. And a plurality of treatment devices each having a connecting member detachably connected to the joint member attached to the flexible hose, the connecting member being provided with a connecting member via a passage provided in the flexible hose. A working medium passage for supplying a working medium to the hand-held member and a unique signal source are provided,
A dental treatment apparatus, characterized in that, when connected to the joint member, the working medium is allowed to flow, and a unique signal source communicates with the reading unit. 14. The dental treatment apparatus according to claim 13, wherein a unique signal source is set by a resistance value. 15. The dental treatment apparatus according to claim 13, wherein a unique signal source is set by an inductor. 16. The dental treatment apparatus according to claim 13, wherein the unique signal source is set by a capacitance. 17. A joint member and a connecting member are connected so as to be rotatable and detachable.
Item 15. The dental treatment apparatus according to Item 15 or 16. 18. The invention according to claim 13, claim 14 or claim 15, wherein the operation switch is a foot switch.
The dental treatment device according to item 16, item 16 or item 17. 19. An identification command circuit, which will be described later, having a plurality of working medium supply circuits, which are a working fluid supply circuit and an operating power supply circuit necessary for operating various therapeutic instruments, and which is operated by an operation signal from an operation switch. The working medium supply control unit for operating the working medium supply circuit selected by the above, and signals specific to various therapeutic instruments are read, a required working medium supply circuit is selected according to the read signal, and the circuit is suitable. An identification command circuit which is set under conditions and holds the selected state of the working medium circuit by a signal of an operation switch, and an operating power supply circuit and an identification command circuit in the working medium supply control unit by a signal of the operation switch. And a switching circuit for switching the connection of the working medium and the working medium supply circuits provided in appropriate places on the side walls to send out the working medium and connect to the switching circuit. A treatment device main body, such as a dental unit and a joint member made comprising respectively the reading section provided respectively that,
The connecting member is connected to the hand-held member, and a plurality of treatment instruments are provided by attaching a connecting member detachably connected to the joint member to a dedicated flexible hose led out from the rear end thereof. Is provided with a working medium passage for supplying the working medium to the hand-held member via a passage built in the flexible hose, and a unique signal source, and when the working medium is connected to the joint member, the working medium is circulated. A dental treatment apparatus, which is configured to allow the signal source to communicate with the reading unit. 20. The dental treatment apparatus according to claim 19, wherein a unique signal source is set by a resistance value. 21. The dental treatment apparatus according to claim 19, wherein a unique signal source is set by an inductor. 22. The dental treatment instrument according to claim 19, wherein the unique signal source is set by capacitance. 23. Claims 19 and 20 in which the joint member and the connecting member are connected in a rotatable and detachable manner.
The dental treatment device according to item 21, 21 or 22. 24. Claims 19, 20 and 21 in which the operation switch is constituted by a foot switch.
The dental treatment device according to the item 22, item 22 or item 23.