JPS62207453A - Dental therapy apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications This application relates to a dental treatment device.

BACKGROUND TECHNOLOGY AND PROBLEMS Conventionally, a flexible hose of a dental treatment instrument comprising an operating section that operates in response to a supply of a working medium is attached to the treatment device body, and the working medium is supplied from the device body to the dental treatment instrument. A dental treatment device configured to supply a working medium is well known, and a treatment instrument with an operating part that operates in response to supply of a working medium includes a micromotor that rotates a cutting tool in response to power supply, and a chip air A micromotor handpiece, a drive near, is equipped with a spout that receives water supply and sprays cooling mist onto the healing area, and a main conductor at its tip that sends a beam of light to illuminate the treatment area. An air turbine that receives a supply of air and operates, a narrow opening that receives a supply of tip air and water and spouts cooling mist, and a main conductor that guides the light beam that illuminates the treatment area to the tip. There are triple syringes equipped with an air turbine hand piece, a nozzle that receives a supply of tip air and water, and selectively ejects air, water, or mist by pressing a button, and a heater that heats the flowing water.

By the way, all of the above-mentioned treatment instruments are connected via flexible hoses to a dedicated working medium supply circuit installed in the dental unit, so many treatment instruments can be connected to the main body of the treatment device such as the dental unit. When equipped with a treatment device, many hoses will be led out from the treatment device itself, and as a result, the hoses may become tangled with each other, interfering with treatment work, or there may be cases where such many hoses are placed on the treatment table. When holding a treatment instrument, the weight of the treatment instrument and the flexible hose acts on the treatment table, resulting in an unbalanced load being applied to the table, or the mechanical structure thereof must be strengthened. Furthermore, there were other inconveniences such as the structure of the treatment device body becoming a line of sight.

Objects of the invention, embodiments, and effects thereof Therefore, the present application provides a flexible hose 2 for various hand-held members.
When a desired hand-held member is connected to the joint member during use, the 8i of the connected hand-held member
reads the read signal and guides the read signal to the treatment device main body side, and operates only the working medium supply circuit corresponding to the hand-held member among the various treatment device working medium supply circuits installed in the treatment device main body. In addition, by providing a switching means for the read signal signal circuit and the amperage force supply circuit in the flexible hose, the above-mentioned disadvantages are solved.

Embodiment A will be described in detail below with reference to the drawings.

A shows the main body of a treatment device such as a dental unit, B shows all the joint members to which a flexible hose (1) is connected to the rear end, and the rear end of the flexible hose (11 is connected to the main body of the treatment device). In the treatment device main body A, when the joint member B is input, the information is read and identified, and a desired working medium supply circuit, which will be described later, is selected, and the selected state is determined when a latch signal is input. In addition to the holding identification command circuit (2), the command signal from the identification command circuit (2) is also selected to generate electric power for driving the motor of the micromotor handpiece.
Working medium supply circuit for micromotor handpiece that outputs pressurized 9 atmospheres for tip air, water and light beam for illumination (
3) and the command signal from the identification command circuit (2) are selected and output the pressurized 9 atmospheres for drive air, electric power for heater operation, water, and light beam for illumination necessary for the operation of 1 liter of air turbine handpiece. The working medium supply circuit (4) for the air turbine handpiece and the command signal from the identification command circuit (2) are selected to supply pressurized air for chip air, water and heating necessary for the operation of the triple cylinder. A triple syringe working medium supply circuit (5i and C) for outputting electric power, a working medium supply control section (7) which is sub-controlled by the operation signal from the operation switch (6), and an identification command circuit ( 2) is activated by the selection signal output from the above-mentioned hand member B, and corresponding to the next hand member C, a working medium supply port kIlr13) is connected to the hand member B. 14) and an output selection circuit (8) for selecting the Alp mode of the operating power circuit at t5+, and the energizing path (9) installed in the flexible hose (1) are normally connected to the identification command circuit (2) side. The switching circuit (1 (l) is connected to the output selection circuit (8+) at the time of switching, and the micro motor working medium supply circuit (3) has a light source label-1111, An electric source (12), a water source a3+, and a power source 4 are connected to the air turbine handpiece working medium supply circuit (4), and the air turbine handpiece working medium supply circuit (4) includes a light source power source (ill, ai electric source 12), a water source α3, and a power source. 0
are connected to the triple syringe working medium supply circuit (5), and an air source 02. The water source (13, power source A4 is connected) (6: is activated by the hood operation, for example, to latch the identification command circuit +2), switch the switching circuit 01%, and activate the working medium supply control unit (71). O, which is an operation switch that gives a signal; and the joint member B, as shown in FIG.
) is provided with an insertion barrel (le) protruding from the center of the front surface, and a small-diameter Utaaibutsu HQ8) is provided protruding from the tip of this insertion barrel ctb+ with a slanted portion (17). The identification command circuit (2
) ph et al.
) and led into the joint member B.
) and a pair of ring-shaped connecting pieces (19, Ql) connected to each working medium supply 1rlJ with a rear end branching off.
K+3).

(4) and (5) and the flexible hose (11
The water passage c! led into the joint member B through the inside! 1), and a flexible hose (11) located on the inclined surface and led from the working medium supply circuit (3) for the micromotor handpiece into the joint member B through the inside of the flexible hose (11). The opening G that communicates with the drive near air supply w&@ and the rear end branch out and connect to each of the working medium supply circuits (3), (4), and (5) described above, and are connected to the inside of the example hose (1). Circumferential grooves connecting with the chip air supply path ■ guided into the joint member B through the grooves are respectively provided, and the rear end is branched at the tip of the coupling protrusion α mark. It is connected to the working medium supply circuits (3) and (4) for the handpiece, and is also connected to the power supply path for the light source which passes through the flexible hose (11 and is guided to the joint member 8). A light source such as a lamp is installed inside.

Ct to C3 are selectively and detachably connected to the rotary hook of the joint member BIC, and are connected to the connecting pieces a9. ■Reading signal contact αp that slides into contact with
, (■), and the hand-held member C
I to C3 also have a fitting recess C32 which opens at the rear end of the shaft core part of the shaft body (3) 1 and tightly fits the insertion cylinder αθ of the joint member B, and this fitting recess C32. A small-diameter insertion hole (2) that tightly fits the fitting protrusion 08) connected to the front end is provided, and the contact (2).

A unique signal source (to), which is composed of, for example, a resistor, connected to (to) is housed in the shaft l3)).

FIG. 2 shows a cross section of the main part of the hand-held member CI in the micromotor handpiece, and inside the shaft body 611 is the ring-shaped connecting part +1.9. (The operating power passage connected to 2oI and supplying operating power to the micro motor, and the water passage 118c361 and tip air communicating with the circumferential groove and the circumferential groove, respectively, and supplying water and tip air to the spout of the tip head. They each include a passage C371 and a base conductor (to) extending from the insertion hole 0 along the axis to the tip head 1,
In addition, Fig. 3 (a) shows a cross section of the main part of the handheld member C2 in the air turbine handpiece. the main conductor G9, which extends to the main conductor G9;
A water channel (4) 1 and a chip air passageway are provided which communicate with the circumferential groove 40 and the circumferential groove 1 and the circumferential groove #I#-, respectively, and output water and chip air to the spout of the tip head.

In addition, Fig. 3 c) shows a cross section of the main part of the hand-held member C3 in the triple syringe, and the shaft body Gll has a spout port at the tip head which communicates with the circumferential groove and the circumferential groove surface, respectively. The water passage package 3 and the chip air passage supplying water and chip air to the ring-shaped connecting piece fi! J, r
,! I) An operating power passage (which is connected to K and supplies an actuation force vJt to a heating heater that heats the water flowing through the water passage (43)
c).

Therefore, if there is a micromotor handpiece t, the micromotor hand heath handheld member C is attached to the joint member B.
Connect 1. Then, the chip air output end and the water output end of the micromotor working medium supply circuit (3) are connected to the chip air passage 1.3 through the joint member B. ) and the water passage circle, and the light source body (c) connected to the light source power output terminal of the working medium supply circuit (3) and the rear surface of the main conductor C8 face each other, and the identification command circuit (2) and the specific signal neck and operating power path (G) are electrically connected. Then, the identification command circuit (2) selects the unique signal source G4) a ffD of the handheld member cl.
The specific resistance value set in the micromotor handpiece is read, and the output selection circuit (8) is actuated by the signal from the identification command circuit (2), and its input terminal is used to supply the working medium for the micromotor handpiece. The working medium supply circuit (3) for the micromotor handpiece is connected to the working vJ power output terminal in the circuit (3) and prepares the supply of water, air pressure and electric power necessary for the operation of the handpiece.

From this state, if you operate the operation switch (61),
An operation code is given to the working medium control unit (71) from the operation switch (6), and water, chip air, and illumination light are output from the working medium supply circuit (3) for the micromotor handpiece (3), and this operating state is controlled. The switch (is held by latching the discriminating command circuit (2) with six signals, and the switching circuit (1 [)) switches from the identification command circuit (2) side to the output direction selection circuit (8) side. Switch to .

Therefore, illumination light, chip air, water, and operating power necessary for operating the micromotor handpiece are led to the handheld member C1 via the flexible hose (11) and the coupling member B, and the micromotor is operated and the head Mist is ejected from the head, and illumination light is emitted from the head, which is used to cut teeth and other objects.

Furthermore, when using an air turbine handpiece, the air turbine handpiece handheld member C2 is connected to the joint member B. Then, the drive air output end, chip air output end, and water output end of the air turbine handpiece working medium supply circuit (4) are connected to the drive near passage (6) and the water passage (4υ) through the joint member B, and 1 connected to the power output terminal for the light source of the working medium supply circuit (4)
5 is connected to the rear surface of the former conductor field, and the identification command circuit (2) and the unique A No. 3 Genjima are electrically connected. Then, the identification command circuit (2) reads the unique signal source control of the handheld member C2, that is, the resistance +1M set in the air turbine handpiece, and the output selection circuit (8) is activated by the signal from the identification command circuit (2). is activated, and its input power is connected to the working power output end side of the working medium supply circuit (4) for the air turbine No. 1 Radbee, and the working medium supply circuit (4) for the air turbine/''-Radbee is connected to the working medium supply circuit (4)
Arrangements will be made to supply water, water, and electricity necessary for the operation of the 1st Bead. From this state 73) to the operation switch (6
), an activation signal is applied from the operating switch (6) to the working medium supply circuit (4) for the air turbine 1 Radbee, the illumination optical axis,
Drivenia, tap air, and water are output, and this operating state is maintained as the identification finger circuit (2) is launched by the signal from the operation switch (61 sword 1),
And the disconnection circuit is switched from the identification command circuit @ (2I side η) to the output selection circuit (8, side. Therefore, the flexible hose (1) and the coupling member B are connected to the hand member CI. The air turbine handpiece is powered by a light bulb, a water heater, an air turbine, and water, which are essential for the operation of the air turbine handpiece. An illuminating beam is emitted from the head, and cutting operations such as teeth are performed using this beam.

Another syringe? When used, the syringe hand-held member C3 is connected to the joint member B. Then, the tip air output end and the water output end of the syringe working medium supply circuit (5) are connected to the tip air passage (4) and the water passage (abbreviated) through the joint member B, respectively, and the identification command circuit (2) and the unique signal source ( 3
4) Electrical connection is made between e and the operating power path. Then, the identification command circuit (2) detects the unique signal source of the hand-held member C1.
In other words, the specific example set for a syringe is to read the resistance value, and the output selection circuit (8) is activated by the signal from this identification command circuit (2), and its input terminal is connected to the working medium 1g circuit (5) for the syringe. ) is connected to the output layer of the power supply circuit in the working medium supply circuit (5) for the syringe.
) can be used to supply water and the total atmospheric pressure necessary for the operation of the syringe.

In this state η, when the operation switch (61) is pressed and operated, an operation value is given to the working medium supply circuit section (7) from the operation switch iGI 2) 1'', and tip air is supplied from the syringe working medium supply circuit (5). Water is output and this operating state is maintained by latching the identification command circuit (2) by a signal from the operation switch (61), and the switching circuit a selects the output from the identification command circuit (2) side. The circuit is switched to the circuit (8) side. Therefore, the tip air, water, and operating power necessary for operating the syringe are led to the hand-held member C3 via the flexible hose (11 and the coupling member B), and the tip air, water, and operating power necessary for operating the syringe are led to the hand-held member C3, which is installed at the syringe head. Chip air, pressurized water, and heated mist are selectively ejected from the nozzle by operating the pressed button. However, according to the above embodiment, the flexible hose (inside the
In addition to the energization path till communicating with the unique signal head (2),
Since the various hand tools B1 to B3 are equipped with all necessary working medium passages f:, even if the hand tools do not require all of them, the usable hose 1 is equipped with all of them.
11'! Therefore, in the treatment work carried out while holding the hand-held tool, there is a risk that the power of the flexible hose (1) may act on the hand holding the tool and put a burden on the hand-held operation.

Therefore, Figure 4 addresses the above concerns! This shows another embodiment of the present invention that has been completed in SF5, and is different from the previous embodiment shown in the previous day in that it has an output section that outputs various working media at appropriate positions on the side wall of the main body A of the treatment device such as a dental unit. A joint member (c) corresponding to the joint member B in the above-mentioned embodiment is provided, and the treatment instruments D [:Da to Da] are attached to and rotatably connected to the handheld members ηC (471a to (Inc)). Connected and dedicated flexible hose decoy for aftertide [(connecting member from which 4 yoke to (4 seconds c)
[C] and a flexible hose (C), which is attached to the rear end of the flexible hose (C), is rotatably connected to and detachable from the joint member μG, and is provided with a unique signal YJjL (2). That is, 2) shown in FIGS. 2 and 3 0) to (c) above.
Connecting member ω [- to (501c]) made of the same mi as the rear end portion of the hand-held members CcCl to Ca,] in the embodiment
In case of frequent use, the connecting members ■a to button C are selectively connected to the joint member marked A, and its function is the same as in the case of the first embodiment. be.

In the above example, a resistor is used as a unique signal source provided in a connecting member of a valley treatment instrument as a means for identifying various handheld members, and this resistance value is read by the identification command circuit (2) and used for the relevant treatment. The case is shown in which the IJJ medium supply source necessary for the operation of the device is operated, but instead of a resistor, a coil can be attached to either the Senmu member or the joint member B that connects it. The other is a core that is inserted into the coil when connected, and the method reads changes in the inductance value of the coil.Other signal medium means include changes in air pressure, changes in TY, changes due to the position of electrical contacts, etc. A method of identifying the type of the hand-held member using the method may be adopted as appropriate.

Further, in the above embodiment, an output selection circuit and a switching circuit are provided in order to reduce the number of electrical lines inserted in the flexible hose or wiring paths in the treatment device main body. The case where the built-in energizing path is shared for the operating power supply path and the read signal is shown, but the operating power supply path 3! ! Separate the L electrical path and the read signal energizing path, and connect each with a flexible hose (P to 11).
Of course, 3M may also be used.

Effects of the Invention As described above, according to the present application, the dental unit is equipped with a working medium supply circuit necessary for operating various treatment instruments, and each hand-held member is equipped with its own signal source. When the hand-held member is connected to the joint member, only the working medium supply circuit for operating the hand-held member is operated under suitable conditions based on the unique signal, so each building The hand-held members of the dental treatment instruments can be commonly connected to the same joint member, so there is no need to equip each treatment instrument with a flexible hose as in the past, which is economical and There is no risk of the flexible hoses becoming tangled, so
It is convenient for treatment work, and as in the past, there is no possibility of excessive unbalanced load being applied to the ft3 treatment table equipped with treatment instruments, and furthermore, according to the present application, the ms path in the flexible hose is prevented. As the signal path of the detection signal and the power supply path are shared and the number of wires is reduced, the flexible hose can be made flexible and lightweight. Furthermore, when using a hand-held member, a connecting member, a flexible hose, a connecting member, and a therapeutic instrument released from the blade,
As the flexible hose can be used as a lightweight flexible hose that has only a supply path for the working medium necessary for operating the treatment device, it is effective for the operability of the treatment device for treatment work, and it also improves the operability of the treatment device. Inside the main body, the signal path for the detection signal and the operating power supply path are shared as the N line, so
The wiring work of the electric line and the internal structure of the joint members are as long as fl.
! 1ljIL.

[Brief explanation of drawings]

The drawings show an embodiment of the present application, and FIG. 1 is an overall configuration diagram, and FIG. 2 is an overall configuration diagram.
The figure is an explanatory view showing the relationship between the micromotor handpiece handheld member and the joint member, FIG. 3 (A). (4+, (5) is the working medium supply circuit u path, (6) is the operation switch, (7) is the working medium supply circuit section, (8, is the output selection circuit, (IC is the switching circuit, (91 is the communication circuit) Electrical circuit, ■ is the connection part, C+U is the water flow path, false is the drive air supply path,
C2) ff is the chip air supply path, G is the power supply path for the light source, gloss is the unique signal source, ω, s, ui are the created power paths, ■, G4) 3. (43 is water passage, (9), t4
2). (44) Chip air path A, (to), ■ is the source conductor, A is the treatment device main body, B is the joint member, and C is the handheld member.

Claims (20)

[Claims] (1) Inside, corresponding to the hand tools of various treatment instruments,
Each has a dedicated working medium supply circuit that outputs the working fluid and/or working power necessary for its operation, and one working medium supply is selected via an identification command circuit described below in response to an activation signal from an operation switch. A working medium supply control unit that operates only the circuit, reads a unique signal set in the handheld tool of various treatment instruments, selects the working medium supply circuit dedicated to the handheld tool in accordance with the read signal, and operates the working medium supply circuit. A treatment device main body, such as a dental unit, comprising an identification command circuit that maintains the selected state of the working medium supply circuit in response to a switch signal; A working fluid flow path that communicates with a common working fluid path in the circuit, an energizing circuit that outputs working power in the working medium supply circuit, and a signal circuit that guides a signal from a reading section to be described later to the identification command circuit. A joint that includes a flexible hose that is installed inside each hose, a fluid passage that is attached to the tip of the hose and communicates with the working fluid flow passage, a connecting part that connects to the energizing circuit, and a reading part that connects to the signal circuit. a member that is removably connected to the joint member and has its own working medium passage and a unique signal source therein, and when connected to the joint member, fluid is supplied to the fluid passage in the own working medium passage; a plurality of handholds for treatment instruments, which allow an inflow of a working medium, connect an electrically actuating part in a working medium passage to the current-carrying path, and conduct the unique signal source to the reading part. . (2) The dental treatment apparatus according to claim 1, wherein the unique signal source is set by a resistance value. (3) The dental treatment apparatus according to claim 1, wherein the unique signal source is set by varying the inductance. (4) A dental treatment device according to claim 1, 2, or 3, in which a joint member and a handheld tool are rotatably and detachably connected. (5) The dental treatment apparatus according to claim 1, 2, 3, or 4, wherein the operation switch is a foot switch. (6) It has a dedicated working medium supply circuit inside that outputs the working fluid and/or working power necessary for the operation of each type of treatment instrument, respectively, and operates according to the operation signal from the operation switch. A working medium supply control unit that operates only one working medium supply circuit selected through an identification command circuit, and a working medium supply control unit that reads unique signals set for various treatment instruments and, in accordance with the read signals, a an identification command circuit that selects the working medium supply circuit and maintains the selected state of the working medium supply circuit by a signal from an operation switch; and a common working fluid path for each of the working medium supply circuits, which is provided at an appropriate position on a side wall. A treatment device main body, such as a dental unit, comprising a working fluid flow path communicating with each other, a working power connection part in the working medium supply circuit, and a joint member equipped with a reading part that outputs a signal to the identification command circuit; A plurality of treatment instruments are constructed by connecting a connecting member to a hand-held member and attaching a connecting member detachably connected to the joint member to a dedicated flexible hose led out from the rear end, the connecting member A working medium supply passage for supplying a working medium to the hand-held member through a passage built in the flexible hose and a unique signal source are provided to control the flow of the working medium when connected to the joint member. 1. A dental treatment apparatus, characterized in that the apparatus is configured such that a unique signal source communicates with the reading section. (7) The dental treatment apparatus according to claim 6, wherein the unique signal source is set by a resistance value. (8) The dental treatment apparatus according to claim 6, wherein the unique signal source is set by varying the inductance. (9) Claims 6, 7, or 8 in which a joint member and a connecting member are rotatably and detachably connected.
The dental treatment device described in Section 1. (10) The dental treatment apparatus according to claim 6, 7, 8, or 9, wherein the operation switch is a foot switch. (11) Each has a dedicated working medium supply circuit that outputs the working fluid and/or working fluid and working power necessary for the operation of each treatment instrument, and is responsive to the operating signal from the operation switch. A working medium supply control unit that operates only one working medium supply circuit selected via an identification command circuit (described later), and a working medium supply control unit that reads unique signals set in the hand-held devices of various treatment instruments and operates the corresponding one according to the read signal. an identification command circuit that selects a dedicated working medium supply circuit for the handheld tool and maintains the selected state of said working medium supply circuit by a signal from an operation switch; and an operating power supply for the working medium supply circuit selected by this identification command circuit. A treatment device main body, such as a dental unit, comprising an output selection circuit that selectively connects to an output end, and a switching circuit that switches the connection between the output selection circuit and the identification command circuit according to a signal from the operation switch. , a working fluid flow path which is led out from the treatment device main body and communicates with the common working fluid path in each of the working medium supply circuits, and an energizer normally connected to the identification command circuit via the switching circuit; a flexible hose each having a circuit therein; and a joint member each having a reading portion attached to the tip thereof and communicating with the working fluid flow path to send out the working fluid and connecting to the energizing circuit; is detachably connected to the joint member, has its own working medium passage and a unique signal source, allows fluid communication to the fluid passage in its own working medium passage when connected to the joint member, and . A dental treatment device comprising a plurality of handholds for treatment instruments, which conduct a circuit of a unique signal source or a unique signal source and an electrically actuated part to the reading part. (12) The dental treatment apparatus according to claim 11, wherein the unique signal source is set by a resistance value. (13) The dental treatment apparatus according to claim 11, wherein the unique signal source is set by varying the inductance. (14) A dental treatment device according to claim 11, 12, or 13, in which a joint member and a handheld tool are rotatably and detachably connected. (15) The dental treatment apparatus according to claim 11, 12, 13, or 14, wherein the operation switch is a foot switch. (16) It has a dedicated working medium supply circuit inside which outputs the working fluid and/or working fluid and working power necessary for the operation of each treatment instrument, and is responsive to the operating signal from the operation switch. A working medium supply control unit that operates only one working medium supply circuit selected through an identification command circuit (described later), and a working medium supply control unit that reads unique signals set in various treatment instruments and controls the handheld device in accordance with the read signals. An identification command circuit that selects a dedicated working medium supply circuit and maintains the selected state of the working medium circuit by a signal from an operation switch, and selects the working power output terminal of the working medium supply circuit selected by this identification command circuit. a switching circuit that switches the connection between the output selection circuit and the identification command circuit according to a signal from the operation switch; and a common working fluid path for each of the working medium supply circuits provided at an appropriate position on a side wall. A treatment device main body, such as a dental unit, comprising a fluid passage communicating with the switching circuit, and a joint member each having an electrical connection portion connected to the switching circuit; a plurality of treatment instruments each having a connecting member removably connected to the joint member attached to a dedicated flexible hose; A working medium supply passage for supplying a working medium to the handhold and a unique signal source are provided to allow flow of the working medium during engagement with the coupling member, and the unique signal source is in communication with the electrical connection. A dental treatment device characterized by being configured as follows. (17) The dental treatment apparatus according to claim 16, wherein the unique signal source is set by a resistance value. (18) The dental treatment apparatus according to claim 16, wherein the unique signal source is set by an inductance. (19) The dental treatment device according to claim 16, 17, or 18, wherein the joint member and the connecting member are rotatably and detachably connected. (20) The dental treatment apparatus according to claim 16, 17, 18, or 19, wherein the operation switch is a foot switch.