JPH0441849Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cleaning and sterilizing device for a dental air turbine handpiece.

[Conventional technology] Air turbine handpieces used in dental treatment operate by switching the air for driving the handpiece ON and OFF.
By repeating this process, tooth powder and cooling water spray generated during tooth cutting are sucked into the handpiece and adhere to it, resulting in deterioration of the performance of the handpiece and
There were hygiene issues. For this reason, the handpiece and tube are usually separated and only the handpiece is cleaned or sterilized.

Furthermore, in recent years, hygiene problems have been brought to the fore in view of hepatitis, the AIDS virus, etc., and attempts have been made to sterilize the outer surface of handpieces using ultrasonic waves, ultraviolet light, and the like.

[Problems to be solved by the invention] However, although it is possible to clean and sterilize the outer surface of the air turbine handpiece using ultrasonic waves and ultraviolet rays in the conventional techniques described above, the inside of the air turbine handpiece and tubes are It was not possible to clean or sterilize the air pipes inside. Further, the above-mentioned conventional technology has a problem in that it is necessary to separate the handpiece and tube every time cleaning or sterilization is performed, which is time-consuming.

The present invention aims to solve the problems of the prior art, and in particular, aims to provide a device that maintains the performance of an air turbine handpiece and also cleans and sterilizes the inside of the tube of the air turbine handpiece. .

[Means for solving the problems] The present invention employs the following means. That is, the air turbine handpiece cleaning and sterilizing device of the present invention is connected to a cleaning liquid tank in the middle of a driving air supply line that supplies driving air from an air source to the air turbine handpiece, and supplies a cleaning and sterilizing liquid to the air turbine handpiece. A tank pressurizing pipe is connected to the cleaning liquid tank from an air source via a cleaning on-off valve, and by pressurizing the cleaning liquid tank, the cleaning sterilizing liquid is distributed to the air supply pipe. The gist of this is that it has been designed to

[Function] Referring to FIG. 1, which is a block diagram showing an embodiment of the device of the present invention, and FIG. 2, which is a perspective view for explaining the state of use, the device of the present invention having the above configuration has an air turbine hand piece 100. The cleaning liquid is supplied from the cleaning liquid tank 10 to the air turbine handpiece and its driving air supply line 10 in the middle of the driving air supply line 102 from the driving air source 20 that is supplied to the air turbine handpiece.
When the operator presses the cleaning switch 36 when the air turbine handpiece is not in use, the operator opens the electromagnetic cleaning on-off valve 33 and turns on the air source 20. Compressed air is introduced into the cleaning liquid tank 10 through the air pipe 105 and the tank pressurizing pipe 38, and when the internal pressure inside the tank increases, the check valve 35 opens and the cleaning liquid flows from the cleaning pipe 39 into the cleaning pipes 391 and 392. Supplied.
The cleaning pipe 391 is connected to the driving air supply pipe 102 of the air turbine handpiece,
The inside of the air turbine handpiece and the air conduit 102 are filled with a cleaning liquid for cleaning and sterilizing. Further, the cleaning conduit 392 is a conduit branched from the cleaning conduit 39 and is connected to the cleaning device 1 that cleans the outside of the handpiece 100. Therefore, in the present invention, by simply adding a simple cleaning liquid tank 10 and various components to the known air turbine handpiece control circuit 200, the inside of the air turbine handpiece, the air pipe line, and even the outside surface of the air turbine handpiece can be cleaned. Since it can be cleaned, maintenance can be performed efficiently, and it has the advantage that the operator can easily perform maintenance on a regular basis without the need for maintenance by service personnel.

[Example] FIG. 1 shows a configuration diagram showing an example of application to a dental air turbine handpiece. 200
The control circuit for the dental air turbine handpiece shown in is based on the patent application filed in 1982 by the applicant.
160743, which is a known control circuit provided by
For details, please refer to the above publication.In general, the air control circuit of a dental air turbine handpiece includes a solenoid valve 3 used in the control circuit 200.
Air from the driving air source 20 using
It is controlled by turning on and off to supply and stop the dental air turbine handpiece 100, or the exhaust from the exhaust pipe 101 is controlled by the throttle valve 2.
It is controlled by tightening with 5. A cleaning conduit 39 for supplying cleaning liquid from the cleaning liquid tank 10 to the conduit 102 via a check valve 35 is provided in the middle of the drive air supply conduit 102 used in the control circuit 200 of these conventionally known dental air turbines. The cleaning pipe 391 is configured as a cleaning pipe for cleaning the outer periphery of the air turbine hand piece 100 by branching off from the cleaning pipe 392 in the middle. When the operator is not using the air turbine, that is, when the solenoid valve 30 that controls the ON/OFF of driving air to the turbine is OFF and the turbine is in a stopped state,
By turning on the switch 36, the solenoid valve 33 is activated.
When the air is turned on, air from the air source 20 is guided into the cleaning liquid tank 10 through the air pipe 105 and the tank pressurizing pipe 38, and when the internal pressure in the cleaning liquid tank increases, the air is passed through the cleaning pipe 39 to the air turbine handpiece as described above. Clean the area. This operation is performed by holding down the cleaning switch 36 until the cleaning liquid starts to come out from the turbine head section 110, and then turning it off.
shall be. The cleaning device 1 that cleans the outer periphery of the handpiece has a cylindrical shape with a large number of small holes on the inner periphery, the outer periphery and both sides are sealed, and is connected to a cleaning conduit 392 to pass the cleaning liquid inside the cylinder. The cleaning liquid is ejected from a small hole 2 provided in the inner circumferential surface of the cylinder, and a fold (not shown) or the like is provided inside the cylinder, and a hand piece is mounted at the center of the inner circumference of the cylindrical cleaning device. It is desirable that the In addition, as shown in Figure 2, if this cylindrical cleaning device is removably held in a spittoon using mechanical attachment/detachment means such as an appropriate clip, it is possible to use a special drainage system once the patient has been treated. Cleaning can be easily performed by simply attaching a cleaning device to the spittoon 3 without using a bucket.
In addition, if the outside of the handpiece can be cleaned with alcohol, etc., the cleaning pipe 392 is not used and the cleaning pipe 391 is
Of course, it is also possible to have a configuration in which only one is provided. At this time as well, if a simple handpiece hook is provided on the inner surface of the spittoon 3 as described above, the handpiece will be prevented from moving within the spittoon and being damaged or damaged. Furthermore, as the cleaning and sterilizing liquid, 50 to 70% ethanol or the like may be used. In this way, the cleaning liquid is discharged by turning on the solenoid valve 30 that supplies driving air to the turbine and supplying the driving air to the air turbine 100 through the supply pipe 102. The turbine head 110 is cleaned and sterilized by thoroughly cleaning and sterilizing the inside of the turbine and air pipes.
It is discharged to the outside through the spittoon 3.

[Effects of the invention] As described above, the air turbine handpiece cleaning and sterilization device of the present invention not only has the cleaning effect of removing tooth powder and dental materials that have gotten into the air turbine to the outside of the air turbine, but also has the effect of cleaning the inside of the air turbine. It has the advantage of being able to sterilize viruses, etc. at the same time. In addition, since the air supply pipe is used for this cleaning and sterilization, there is no need to separate the handpiece section and tube each time, and the cleaning pipe 3
92 has the advantage that the outer peripheral surface of the handpiece can also be cleaned and sterilized. In addition, the solenoid valves in these configurations are small, such as cleaning tanks, and can be easily installed in already delivered products, so users such as surgeons can switch them on without having to have the manufacturer's maintenance personnel conduct inspections. It has the great advantage of being able to be cleaned and sterilized just by pressing .

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing an embodiment of the device of the present invention;
FIG. 2 shows a perspective view for explaining the usage state of the same embodiment. 100...Air turbine handpiece, 10
2... Drive air supply pipe line, 10... Cleaning liquid tank, 33... Cleaning on/off valve, 38... Tank pressurizing pipe line, 39, 391, 392... Cleaning pipe line.

Claims (1)

[Scope of Claim for Utility Model Registration] A cleaning pipeline connected to a cleaning liquid tank and supplying a cleaning sterilizing liquid is connected in the middle of a driving air supply pipeline that supplies driving air from an air source to an air turbine handpiece, A tank pressurizing pipe is connected to the cleaning liquid tank from an air source via a cleaning on-off valve, and an air turbine is configured to pressurize the inside of the cleaning liquid tank to cause the cleaning sterilizing liquid to flow through the driving air supply pipe. Handpiece cleaning and sterilization equipment.