JP2013236785A - Odontotherapy apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a risk of necrosis and injury to a treated region caused by an operator's carelessness (by no injection of cooling water) by giving the alarm or stopping driving of an instrument resecting a tooth when the amount of water remaining in a water tank is reduced to a prescribed (reference) amount or lower.SOLUTION: An odontotherapy apparatus includes: a tooth cutting instrument 40; and a water tank 20 for storing cooling water for cooling a tooth-cutting place by the instrument 40. The cooling water is fed to a tooth cutting place to cool the tooth cutting place during tooth cutting treatment. The odontotherapy apparatus also includes a water amount detection means 22 for electrically detecting the amount of water within the water tank 20, and alarming means 31-33 for giving the alarm when the amount of water within the water tank 20 is reduced to a prescribed reference amount or lower.

Description

  The present invention relates to a dental treatment apparatus, and more particularly, to a dental treatment apparatus having a cooling water tank that injects water into a tooth (including bone) cutting site and cools the tooth cutting site. The present invention relates to a dental treatment device that detects whether or not there is a sufficient amount of water in the cooling water tank when it is driven, and issues an alarm when it is insufficient or stops driving the instrument. .

  In dental treatment, treatment is mainly performed using an instrument (handpiece) having a function of cutting teeth, such as an air turbine, a micro engine (motor), an ultrasonic treatment device, and a bone cutting device. However, these instruments have a water injection function for cooling the cutting site, and it is necessary to cool the tooth by injecting water into the cutting site during tooth treatment.

  However, if water injection is not performed reliably due to clogging of the water circuit that supplies cooling water to the instrument, leakage of the water circuit, failure of the water injection system, etc., the contact surface between the tooth part of the tooth cutting tool and the tooth treatment site If the cooling cannot be reliably performed, cell necrosis or burn damage due to heat generation at the treatment site may occur.

  In recent years, especially in the age of aging, dentists visit dental homes (homes for the physically challenged) with dental treatment equipment, or visit the elderly (handicapped people) who are hospitalized. Therefore, there is a growing demand for dental treatment.

  However, in portable dental treatment equipment, the location of the water supply (faucet) at the site of visit is different and the water intake position cannot be specified. Therefore, a water tank is attached to the portable dental treatment device, and the The cooling water is replenished to the tank, and the above-mentioned tooth cutting portion is cooled using the water in the water tank. However, the amount of water in the water tank is limited, and while the doctor is devoted to dental treatment, the water in the water tank disappears, and there is a possibility of causing damage due to cell necrosis or burns due to fever at the tooth cutting treatment site There is.

  As described above, in dental treatment with tooth cutting, conventionally, tooth cutting treatment is performed while cooling the tooth cutting portion, but no accidents due to poor cooling have been reported. However, as mentioned above, in visiting or visiting medical care, the tooth cutting treatment is continued without noticing that the water in the water tank has run out, and an unexpected treatment mistake may be made.

  The present invention has been made in view of the above circumstances, and in particular, is used to cool a cutting portion when an operator visits a patient with a dental treatment device and performs cutting treatment on the patient's teeth. It was made for the purpose of detecting the lack of cooling water to prevent accidental damage caused by the lack of cooling water.

  In order to achieve the above object, the invention of claim 1 includes an instrument for cutting teeth, and a water tank for storing cooling water for cooling a tooth cutting position by the instrument, and is used for tooth cutting treatment. In the dental treatment apparatus having a function of supplying the cooling water to the tooth cutting location and cooling the tooth cutting location, a water amount detection means for detecting the water amount in the water tank, and a water amount in the water tank as a reference And alarm means for generating an alarm when the value falls below a set value.

  According to a second aspect of the invention, in the first aspect of the invention, the water amount detecting means is a weight detecting means for detecting the weight of water in the water tank.

  According to a third aspect of the present invention, in the first aspect of the invention, the water amount detecting means is a liquid level detecting means for detecting a water level in the water tank.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the driving of the instrument is stopped when the amount of water in the water tank falls below the reference set value. .

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the apparatus includes an adjusting unit that adjusts the reference set value.

  The invention of claim 6 is the invention according to any one of claims 1 to 5, wherein the dental treatment device is a portable dental treatment device.

  According to the present invention, in a dental treatment apparatus that has a water tank and cools a tooth cutting site by pouring water from the water tank, water amount detecting means for detecting the water amount in the water tank is provided, and the remaining in the water tank An alarm is issued when the amount of water drops below the standard set value, or the instrument (handpiece) drive is stopped during tooth cutting, due to carelessness of the operator (due to lack of cooling water injection) ), The risk of necrosis and damage of the treatment site can be prevented.

  FIG. 1 is a schematic configuration diagram of a main part of a dental treatment apparatus according to the present invention, in which 20 is a water tank for storing cooling water supplied to a treatment site during tooth cutting treatment, and during tooth cutting treatment. The water in the water tank 20 is supplied to the dental treatment instrument 40 through the tube 21 and the cable 35, discharged from the distal end portion of the instrument 40 toward the treatment site, and the treatment site is cooled. 22 is a water amount detector that detects the amount of water remaining in the water tank 20, for example, a weight sensor that measures the weight of the water tank 20, or a liquid level sensor that measures the water level in the water tank 20. The weight sensor is attached to the hanger that supports the water tank (pack) and the weight of the water tank is measured, or the water surface in the water tank 20 is detected by attaching a known optical sensor or ultrasonic sensor to the water tank. As a result, the amount of remaining water is detected as an electrical signal and transmitted to the controller unit 30 through the lead wire 23.

  As is well known, the controller 30 is a controller that adjusts the supply amount of power, air, water, etc. necessary for driving the dental treatment instrument 40. The controller 30 includes, for example, The pump has a pump for supplying water in the water tank 20 to the instrument 40, and the pump is driven by operating the instrument 40 to discharge cooling water from the tip of the instrument 40.

  Further, while there is a predetermined amount or more of water in the water tank 20, the drive circuit of the instrument 40 is completed by the electrical signal from the lead wire 23, and the instrument 40 can be driven. When the amount of water in the water tank 20 becomes a predetermined amount or less, for example, the speaker 31 provided in the dental treatment apparatus, the display 32, and further the indicator (eg, red lamp) 33 provided in the instrument 40. Is activated.

  As described above, according to the present invention, during the tooth cutting treatment, an alarm is issued when the remaining amount of cooling water that cools the cutting portion falls below a predetermined amount (set reference value), and the operator and assistant are informed accordingly. It is something to let you know. However, assuming that it may not be possible to immediately stop treatment even if an alarm is received, it is desirable to provide an adjustment function for enabling the instrument 40 to be driven for a while after the alarm is generated. . However, when the amount of remaining water in the water tank 20 becomes zero, the driving of the instrument 40 is forcibly stopped.

  FIG. 2 is a block diagram for explaining an embodiment of a dental treatment apparatus to which the present invention is applied. In the figure, 20 is a water tank (pack), and 22 is an electric amount of water remaining in the water tank 20. The weight sensor 30 is a controller unit that controls the operation of the dental treatment instrument 40. The controller unit 30 and the instrument 40 are cables through which an electric circuit, an air circuit, a water circuit, and the like are inserted. 35 are connected.

In FIG. 2, reference numeral 1 denotes a tube pump (handling pump or roller pump) for supplying the dental treatment instrument 40 with cooling water or a chemical solution (also serving as cooling water) in the water tank 20, and cooling the water tank 20. water is supplied to the pump 1 through the tube 21, as is well known, a plurality of points of the surface of the flexible tube 21 (if four points illustrated example) pressing rollers ₂₁ to ₂₄ so that water does not flow back However, a predetermined amount of water is fed so as to handle the surface of the tube 21. Its water supply amount (indicating rotation shaft of the motor by the reference number 4) which depends on the rotational speed of the motor for rotating the disc 3 that the roller fitted with a ₂₁ to _24.

  The motor that drives the pump 1 is driven when the operator turns on the drive switch of the instrument 40 or operates the foot switch 5 to supply cooling water in the water tank 20 to the instrument 40. , And discharged from the tip of the instrument 40 to cool the treatment site.

  As described above, when the cooling water of the water tank 20 is consumed, the amount of water in the water tank 20 decreases, and the weight of the water tank 20 decreases below a predetermined amount, the weight sensor 22 is activated, for example, The operator 31 and the assistant are warned by the speaker 31 and the display 32 provided in the controller unit 30 that the cooling water in the water tank 20 is low, and further provided in the instrument 40. For example, the red lamp 33 is blinked to notify the operator that the cooling water is low, and further, the driving of the instrument 40 is stopped.

However, depending on the treatment, it may be inconvenient if the driving of the instrument 40 is stopped immediately after the warning. Therefore, assuming such a case, the adjusting means 50 is provided in the controller unit 30 or the like. After the above-described alarm device is activated, the instrument 40 is continuously driven by the adjusting means 50 for a predetermined time, or the reference remaining water amount value at which the alarm device is activated is slightly lowered to reduce the instrument. The drive stop of 40 may be delayed a little.
However, when the amount of remaining water in the water tank 20 becomes zero, the driving of the instrument 40 is forcibly stopped.

  In the above, assuming that the surgeon goes to the patient to perform dental treatment, the case where the present invention is applied to a portable dental treatment device has been described. For example, the present invention can be applied to a stationary dental treatment unit, and without departing from the technical idea of the present invention, an alarm means, a residual water amount detection means in a water tank, a cooling water feed It will be easily understood that various changes can be made to the feeding means and others.

It is a principal part schematic of the dental treatment apparatus by this invention. It is a block diagram for demonstrating one Example of the dental treatment apparatus with which this invention was applied.

1 ... cooling water feed pump, _{21 to} 24 _... roller pump roller, 3 ... roller mounting plate, 4 ... rotary shaft of the roller pump, 5 ... foot switch 20 ... cooling water storage tank, 21 ... feeding cooling water Feed tube, 30 ... Controller, 31 ... Alarm speaker, 32 ... Alarm display, 33 ... Alarm blinking lamp, 40 ... Dental treatment instrument, 50 ... Knob for adjusting instrument drive extension.

Claims (6)

  An instrument for tooth cutting, and a water tank for storing cooling water for cooling a tooth cutting portion by the instrument, and supplying the cooling water to the tooth cutting portion during tooth cutting treatment, the tooth In a dental treatment device having a function of cooling a cutting location, a water amount detecting means for detecting the amount of water in the water tank, and an alarm means for generating an alarm when the amount of water in the water tank falls below a reference set value; A dental treatment device comprising:   The dental treatment device according to claim 1, wherein the water amount detection means is a weight detection means for detecting the weight of water in the water tank.   The dental treatment apparatus according to claim 1, wherein the water amount detection means is a liquid level detection means for detecting a water level in the water tank.   The dental treatment device according to any one of claims 1 to 3, wherein when the amount of water in the water tank is reduced below the reference set value, the driving of the instrument is stopped.   The dental treatment apparatus according to claim 1, further comprising an adjusting unit that adjusts the reference set value.   The dental treatment apparatus according to claim 1, wherein the dental treatment apparatus is a portable dental treatment apparatus.

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