JP2007202663A - Odontotherapy unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent discomfort from being given to a patient due to bad smell generated from a vacuum passage in washing an oral cavity and to prevent a vacuum hose from being hardened and broken due to adhesion of cutting powder, blood or saliva to the interior of the vacuum hose. <P>SOLUTION: A cleaner liquid is put in a spittoon by a solenoid valve 11 for supplying wash water and a pump 21 for supplying the cleaner liquid in a tank 20. A vacuum hose connecting terminal 32 connected to a suction port of the vacuum hose 1 is provided on the downstream side of a solenoid valve 31 for washing the vacuum hose. When a detecting sensor 33 detects connection of the vacuum hose to the connecting terminal 32, the solenoid valve 11 for supplying wash water is opened and the pump 21 is driven to supply wash water and the cleaner liquid to the spittoon 10, and subsequently the solenoid valve 31 for washing the vacuum hose is opened to let the washing liquid flow through the vacuum hose 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a dental treatment unit, and more particularly, to a dental treatment unit including a vacuum hose cleaning device suitable for cleaning the inside of a vacuum hose used for cleaning the oral cavity in dental treatment.

  In dental treatment, cutting powder, blood, saliva and the like accumulated in the patient's oral cavity during the dental treatment are sucked and discharged by inserting a vacuum tube into the patient's oral cavity.

  FIG. 2 is a view for explaining an example of a conventional intraoral vacuum device, in which 1 is a vacuum tube, 2 is a gripping portion (handpiece portion) to which the vacuum tube 1 is connected, and 3 is A vacuum hose connected to the gripping part (handpiece part) 2, and an end (not shown) of the vacuum hose 3 is connected to a vacuum (suction) pump. As is well known, the gripping part (handpiece part) 2 is always an instrument holder 4 (in the figure, an instrument holder for an assistant is shown, but an instrument holder for an operator is also shown). However, when dirt is generated in the oral cavity of the patient during dental treatment, the handpiece part (gripping part) 2 is lifted upward and taken out from the handpiece insertion hole 5. Then, the instrument hose 3 is taken out through a notch (opening) 5 ′ provided in front of the handpiece insertion suspension hole 5 so that the movement of the handpiece portion 2 is free, and the vacuum tube 1 The tip is placed in the patient's mouth and used to clean the mouth by sucking and discharging dirt, such as tooth extraction, hemostatic gauze, cutting powder, blood, saliva, and the like.

  In addition to the vacuum tube 1, a syringe 6, a saliva discharge tube 7, and the like are suspended on the assistant instrument holder 4 shown in FIG. 2. In addition, it is possible to suspend various handpieces used for dental treatment, such as air turbines, micro engines, etc. These are also attached to the instrument holder at all times (when not in use) as in the case of the vacuum tube. It is suspended and used by removing it from the instrument holder as needed during dental treatment.

  FIG. 3 is a diagram for explaining an example of use of the vacuum pipe as described above. In the figure, 1 is a vacuum pipe, 2 is a handpiece, 3 is a vacuum hose to which the vacuum pipe 1 is connected, and the vacuum pipe 1 As shown in the figure, the tip of the tube is inserted into the oral cavity of the patient, and cutting powder, blood, saliva, etc. collected in the oral cavity of the patient are supplied to the vacuum tube 1, handpiece 2, vacuum hose 3, etc. Suction and discharge through a vacuum channel consisting of

  Vacuum (suction) devices as described above are indispensable in dental practice, but in order to aspirate cutting powder, blood, and saliva in the patient's oral cavity, water is aspirated after medical treatment to clean the vacuum channel. There is a need to. Otherwise, when the vacuum tube is approached into the patient's oral cavity, the patient may feel uncomfortable due to the bad odor generated from the vacuum flow path. Not only that, the vacuum hose may be hardened due to the cutting powder, blood, saliva, etc. adhering to the inside of the vacuum hose tube, and the vacuum hose may be broken.

  In order to solve the above-mentioned problems, the present invention provides a cleaning water supply solenoid valve for supplying cleaning water to a spitton, a cleaner liquid tank, and a spitton in the cleaner liquid tank. A cleaner liquid supply means for supplying a cleaner liquid, a spitton drain electromagnetic valve and a vacuum hose cleaning electromagnetic valve branched from the spit drain drain pipe, and the vacuum hose cleaning electromagnetic valve; A vacuum hose connection terminal connected to a vacuum hose on the downstream side of the valve, the vacuum hose connection terminal has a vacuum hose detection sensor for detecting that the vacuum hose is connected to the vacuum hose connection terminal; When the detection sensor detects that the vacuum hose is connected to the connection terminal, the cleaning water supply solenoid valve Opening and driving the cleaner liquid supply means to supply cleaning water and cleaner liquid to the spit, and then opening the vacuum hose cleaning electromagnetic valve to allow the cleaning water and cleaner liquid to flow through the vacuum hose. It is characterized by that.

  According to a second aspect of the present invention, in the first aspect of the invention, a hand piece is integrally provided at the tip of the vacuum hose, the tip of the hand piece is coupled to the vacuum hose connection terminal, and the vacuum hose detection sensor is The handpiece detects that the handpiece is connected to the vacuum hose connection terminal.

  According to a third aspect of the present invention, in the second aspect of the present invention, a vacuum tube is detachably attached to the tip of the handpiece, and the vacuum tube is connected to the vacuum hose while the vacuum tube is attached to the handpiece. It is characterized in that it is connected to a terminal.

  According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, each of the electromagnetic valves is characterized in that the power is normally off and the valve is closed.

  According to the present invention, by inserting the tip of the vacuum hose into the vacuum hose cleaning insertion port, the cleaning liquid mixed with the cleaner liquid and the bowl washing water is automatically flowed into the vacuum flow path, and the inside of the vacuum hose is cleaned. Maintenance can be done very easily, so no foul odor comes out of the vacuum tube or the vacuum hose is broken.

  FIG. 1 is a block diagram for explaining an embodiment of a vacuum device according to the present invention. In the figure, reference numeral 10 denotes a spittoon (gargle) for discharging gargling water when a patient gargles in the oral cavity in dental treatment. (Bowl) 11 is a washing water supply solenoid valve for supplying water for washing the spittoon 10 to the spitone 10, and the solenoid valve 11 is normally turned off and closed. 12 is a solenoid valve for spitons for draining the waste liquid after gargle in the spitton 10, 13 is a central valve (solenoid valve), 14 is a suction device (blower), 15 is a drainage (dirt) tank, For cleaning the spittoon 10, the electromagnetic valve 11 is opened, the cleaning water is retained in the spittoon 10, the inside of the spittoon 10 is cleaned, and then the spittoon electromagnetic valve 12, the central electromagnetic valve 13, the suction device 14 and the like are turned on. The sewage in the Spitton 10 is sucked by the suction (vacuum) device 14, flows through these solenoid valves 12 and 13, and drains into the drain tank 15. Of course, it is also possible to turn on all these solenoid valves 11, 12 and 13 (with the valves opened) and wash the spittoon 10 while flowing the wash water.

  The present invention uses a known vacuum device provided in a conventional dental treatment unit as described above, and (in the vacuum tube 1), in the handpiece 2 and in the vacuum hose 3 shown in FIGS. In FIG. 1, 20 is a cleaner liquid tank, 21 is a pump for supplying the cleaner liquid in the cleaner liquid tank 20 to the spitton 10, and when the inside of the spitn 10 is cleaned The bowl cleaning water supply solenoid valve 11 is operated to open the solenoid valve 11, and the pump 21 is operated to supply cleaning water and cleaner liquid into the spitone 10 to form a cleaning liquid. The inside of the spitn 10 is washed, and the cleaned sewage opens the spitn solenoid valve 12 and the central solenoid valve 13 and operates the suction blower 14 to The sewage in the 0 is aspirated and discharged to the waste liquid tank 15. As indicated by the broken line, the solenoid valve 22 is used in place of the pump 21, the inside of the cleaner liquid tank 20 is pressurized with compressed air in advance, and the solenoid valve 22 is opened, whereby the cleaner liquid is supplied to the spitone 10. You may make it supply.

  On the other hand, when cleaning the inside of the vacuum pipe 1, the handpiece 2, the vacuum hose 3, etc., the tip (suction port 1 a) of the vacuum pipe 1 is inserted into the insertion port 32 a of the vacuum hose connection terminal 32 (this vacuum The tube 1 is detachable from the handpiece 2 and is sometimes removed and cleaned, disinfected, etc. (since this vacuum tube 1 does not necessarily need to be cleaned here), this vacuum hose May be removed and the handpiece 2 may be inserted.) The vacuum hose connection terminal 32 has a sensor (for example, a micro switch, a light reflection sensor, etc.) that detects that the (vacuum tube 1), the handpiece 2, or the vacuum hose 3 is inserted into the insertion port 32a. 33, provided that the sensor 33 detects the insertion of the (vacuum tube 1), the handpiece 2 or the vacuum hose 3, the electromagnetic valve 31 for cleaning the vacuum hose, the central valve 13, etc. And the suction device (blower) 14 is operated.

  As described above, when the vacuum hose detection sensor 33 is inserted into the vacuum hose insertion port 32a of the vacuum hose connection terminal, the (vacuum pipe 1), or the handpiece 2 or the vacuum hose 3 is inserted into the vacuum hose insertion port 32a. The valves 31 and 13 are opened and the suction device 14 is operated. At the same time, the spitton cleaning water supply electromagnetic valve 11 is opened and the pump 21 (or the electromagnetic valve 22) is operated to supply cleaning water and cleaner liquid into the spitone 10. (Or, in advance, cleaning water and cleaner liquid are supplied into the spittoon 10), and the cleaning water and cleaner liquid in the spittoon 10 are supplied to the vacuum hose cleaning electromagnetic valve 31, the vacuum hose connection terminal 32, (vacuum pipe) 1) Suction with suction blower 14 through handpiece 2, vacuum hose 3, etc., and drainage tank It is discharged into the 5. As a result, the inside of the (vacuum pipe 1), the handpiece 2, and the vacuum hose 3 is cleaned.

  As described above, the example in which the cleaning water supply solenoid valve 11 and the cleaner liquid supply pump 21 are operated after the vacuum hose is inserted into the insertion port by the vacuum hose detection sensor 33, and before that, that is, the vacuum The example in which the cleaning water and the clean liquid are supplied into the spittoon 10 before the hose is inserted into the insertion port has been described. However, the present invention is not limited to the above-described embodiment. Then, the sequence control may be performed.

1. The tip (suction port) of the vacuum hose 1 is inserted into the insertion port 32 a of the vacuum hose connection terminal 32.
2. The vacuum hose detection sensor 33 detects that the vacuum pipe 1 or the handpiece 2 after the vacuum pipe 1 has been removed is inserted into the insertion port 32a, turns on the bowl washing water supply electromagnetic valve 11 and turns on the spitting 10 Pour water for bowl washing.
3. The cleaner liquid supply pump 21 (or electromagnetic valve 22) is operated to inject the cleaner liquid into the spitone 10 to obtain a cleaning liquid.
4). The vacuum cleaning electromagnetic valve 31 and the central electromagnetic valve 13 are turned on, the suction blower 14 is driven, the cleaning liquid is caused to flow through the (vacuum pipe 1), the handpiece 2 and the vacuum hose 3 to clean the inside.
5). The Spitton solenoid valve 12 is turned ON, and the drain circuit of the Spitton 10 is cleaned.
6). The spit water supply solenoid valve 11 and the cleaner supply pump 21 are turned off.
7). The vacuum hose cleaning solenoid valve 31 and the spittoon solenoid valve 12 are turned off.
8). The central solenoid valve 13 is turned off and the suction blower 14 is stopped.

  According to the present invention, by inserting the tip of the vacuum hose insertion port 32a (vacuum pipe 1) or the handpiece 2, the cleaning liquid in which the cleaner liquid and the bowl washing water are mixed is automatically supplied to the vacuum hose. Since the inside of the vacuum hose is cleaned, maintenance can be performed very easily, so that no bad odor comes out of the vacuum tube and the vacuum hose is not broken.

It is a block diagram for demonstrating one Example of the vacuum apparatus by this invention. It is a figure for demonstrating an example of the conventional intraoral vacuum apparatus. It is a figure for demonstrating the usage example of the conventional vacuum pipe | tube.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Vacuum tube, 1a ... Suction port, 2 ... Handpiece part (grip part), 3 ... Vacuum hose (instrument hose), 4 ... Instrument holder, 5 ... Handpiece insertion suspension hole, 6 ... Syringe , 7 ... Salivary duct, 10 ... Spitton, 11 ... Solenoid valve for supplying spitton washing water, 12 ... Solenoid valve for spitton, 13 ... Central solenoid valve, 14 ... Suction blower, 15 ... Drain tank, 21 ... For supplying cleaner liquid Pump, 22 ... Solenoid valve for supplying cleaner liquid, 31 ... Electromagnetic valve for cleaning vacuum tube, 32 ... Vacuum hose connection terminal, 32a ... Vacuum hose insertion port, 33 ... Vacuum hose detection sensor.

Claims (4)

  A cleaning water supply solenoid valve for supplying cleaning water to the spitton, a cleaner liquid tank, a cleaner liquid supplying means for supplying the cleaner liquid in the cleaner liquid tank to the spitton, and a drain pipe of the spiton A solenoid valve for spitone drainage and a vacuum hose cleaning solenoid valve provided in a branched manner, and a vacuum hose connection terminal connected to a vacuum hose on the downstream side of the vacuum hose cleaning solenoid valve, The vacuum hose connection terminal has a vacuum hose detection sensor for detecting that the vacuum hose is connected to the vacuum hose connection terminal, and the detection sensor detects that the vacuum hose is connected to the connection terminal. Sometimes, the cleaning water supply solenoid valve is opened and the cleaner liquid supply means is driven to Supplying wash water and the cleaner liquid in tons, then dental care unit, characterized in that it has to flow the cleaning water and the cleaner liquid to the vacuum hose by opening the vacuum hose washing solenoid valve.   A handpiece is integrally provided at the tip of the vacuum hose, the tip of the handpiece is connected to the vacuum hose connection terminal, and the vacuum hose detection sensor is connected to the vacuum hose connection terminal. The dental treatment unit according to claim 1, wherein the dental treatment unit is configured to detect this.   A vacuum tube is detachably attached to a tip of the handpiece, and the vacuum tube is connected to the vacuum hose connection terminal in a state where the vacuum tube is mounted on the handpiece. 2. Dental treatment unit according to 2.   The dental treatment unit according to any one of claims 1 to 3, wherein each of the solenoid valves is normally turned off and closed.

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