[go: up one dir, main page]

WO2008018669A1 - Système de traitement d'eau propre dentaire - Google Patents

Système de traitement d'eau propre dentaire Download PDF

Info

Publication number
WO2008018669A1
WO2008018669A1 PCT/KR2007/000503 KR2007000503W WO2008018669A1 WO 2008018669 A1 WO2008018669 A1 WO 2008018669A1 KR 2007000503 W KR2007000503 W KR 2007000503W WO 2008018669 A1 WO2008018669 A1 WO 2008018669A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
dental
water
dental water
circulation pipe
Prior art date
Application number
PCT/KR2007/000503
Other languages
English (en)
Inventor
Tae Woo Kim
Original Assignee
E-Woo Technology Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR2020060021146U external-priority patent/KR200432183Y1/ko
Priority claimed from KR2020060022539U external-priority patent/KR200433990Y1/ko
Application filed by E-Woo Technology Co., Ltd filed Critical E-Woo Technology Co., Ltd
Publication of WO2008018669A1 publication Critical patent/WO2008018669A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A61C1/0076—Sterilising operating fluids or fluid supply elements such as supply lines, filters

Definitions

  • the present invention relates to a dental water processing system, and more particularly, to a dental water processing system which senses the pressure or the flow rate of dental water in a pipe at regular intervals, and, when the sensing result corresponds to an operating condition inputted by a user or a manufacturer, automatically circulates the dental water in the pipe or circulates or purges the dental water in the pipe for a predetermined period at a predetermined time, thereby preventing a biofilm, etc. from forming on the inner surface of the pipe.
  • the water supplied to a medical appliance for dental surgery (specifically, a unit chair) is used to cool the heat generated in dental implements such as dental handpieces, remove particulates and foreign matter which are produced when grinding the teeth, etc., and to gargle the oral cavity.
  • the water supplied to the medical appliance for dental surgery must be hygienic and sterilized since the water comes into direct contact with a portion of a tooth which is damaged or is undergoing treatment.
  • the biofilm is formed of organic or inorganic substance, harmful microbes such as bacteria or pathogens can be produced in a region where the biofilm is present.
  • an object of the present invention is to provide a dental water processing system which senses the pressure or the flow rate of dental water in a pipe at regular intervals, and, when the sensing result corresponds to the operating condition inputted by a user or a manufacturer, automatically circulates the dental water in the pipe, thereby preventing a biofilm, etc. from forming on the inner surface of the pipe.
  • Another object of the present invention is to provide a dental water processing system which necessarily circulates or purges dental water in a pipe for a predetermined period at a predetermined time even when a medical appliance for dental surgery is not used, thereby preventing a biofilm, etc. from forming on the inner surface of the pipe.
  • a dental water processing system for conveying dental water to a unit chair for dental surgery, comprising a circulation pipe connected to a water purifier to supply dental water to the unit chair for dental surgery; a first valve placed between the water purifier and the circulation pipe; a second valve installed at a predefined position on the circulation pipe; a circulation pump installed at a predetermined position on the circulation pipe; a pressure sensor and/or a flow sensor installed at a preset position on the circulation pipe; and a control section for controlling the first valve, the second valve, the circulation pump, and the pressure sensor and/or the flow sensor, wherein the control section controls the first valve, the second valve and the circulation pump in response to a pressure and/or a flow rate sensed by the pressure sensor and/or the flow sensor so as to open and close the circulation structure of the circulation pipe to thereby circulate dental water.
  • the dental water processing system further comprises a third valve, placed between the first valve and the second valve; and a fourth valve, installed at a predetermined position on an introduction pipe for supplying tap water to the water purifier, wherein the third valve and the fourth valve are controlled by the control section.
  • the first valve is placed adjacent to an outlet port of the water purifier and has flow paths that ensure that, when the first valve is opened, dental water exiting from the water purifier is directed into the circulation pipe, and, when the first valve is closed, dental water circulated through the circulation pipe is redirected into the circulation pipe.
  • the second valve has flow paths that ensure that, when the second valve is opened, dental water circulated through the circulation pipe is directed into a discharge pipe, and, when the second valve is closed, dental water circulated through the circulation pipe is directed into the first valve.
  • the third valve has flow paths that ensure that, when the third valve is opened, dental water flowing therein from the second valve is directed into the first valve, and, when the third valve is closed, the dental water flowing therein from the second valve is directed into the fourth valve.
  • the fourth valve has flow paths that ensure that, when the fourth valve is opened, tap water introduced through the introduction pipe is directed into the water purifier, and, when the fourth valve is closed, dental water flowing therein from the third valve is directed into the water purifier.
  • the dental water processing system further comprises a discharge pipe connected to the second valve.
  • the dental water processing system further comprises at least one branch pipe branched from the circulation pipe and connected to the unit chair, wherein a shutoff valve is installed at a predetermined position on the branch pipe.
  • control section comprises a data processing part, for comparing data acquired from the pressure sensor and/or the flow sensor with an operating condition, and an apparatus control part for controlling the operation of the water purifier, the circulation pump, the first valve and the second valve in response to a signal from the data processing part.
  • control section comprises a data processing part for comparing data acquired from the pressure sensor and/or the flow sensor with an operating condition; and an apparatus control part for controlling the operation of the water purifier, the circulation pump, the first valve, the second valve, the third valve and the fourth valve in response to a signal from the data processing part.
  • the dental water processing system further comprises an input section connected to the control section so that a user can input a pressure value and/or a flow rate value as the operating condition.
  • a dental water processing system for conveying dental water to a unit chair for dental surgery, comprising a circulation pipe connected to a water purifier and the unit chair for dental surgery, and an air pipe connected to the circulation pipe, wherein dental water is circulated by opening and closing the circulation pipe, or dental water in the circulation pipe is purged by introducing compressed air from the air pipe into the circulation pipe.
  • a dental water processing system for conveying dental water to a unit chair for dental surgery, comprising a circulation pipe connected to a water purifier to supply dental water to the unit chair for dental surgery; a fifth valve placed between the water purifier and the circulation pipe; an air pipe connected to the fifth valve; a sixth valve placed at the region where the water purifier and the circulation pipe are connected to each other; a seventh valve placed at a predefined position on the circulation pipe; a discharge pipe connected to the seventh valve; a circulation pump installed at a predetermined position on the circulation pipe; and a control section for controlling the fifth valve, the sixth valve, the seventh valve, and the circulation pump.
  • the dental water processing system further comprises an eighth valve placed between the sixth valve and the seventh valve; and a ninth valve placed between an introduction pipe, for supplying tap water to the water purifier, and the water purifier, wherein the eighth valve and the ninth valve are controlled by the control section.
  • the fifth valve has flow paths that ensure that, when the fifth valve is opened, dental water exiting from the water purifier is directed into the sixth valve, and, when the fifth valve is closed, compressed air supplied through the air pipe is directed into the sixth valve.
  • the sixth valve has flow paths that ensure that, when the sixth valve is opened, dental water exiting from the water purifier or compressed air flowing therein through the air pipe is directed into the circulation pipe, and, when the sixth valve is closed, dental water circulated through the circulation pipe is redirected into the circulation pipe.
  • the seventh valve has flow paths that ensure that, when the seventh valve is opened, dental water circulated through the circulation pipe is directed into the discharge pipe, and, when the seventh valve is closed, dental water circulated through the circulation pipe is directed into the sixth valve.
  • the eighth valve has flow paths that ensure that, when the eighth valve is opened, dental water flowing therein from the seventh valve is directed into the sixth valve, and, when the eighth valve is closed, dental water flowing therein from the seventh valve is directed into the ninth valve.
  • the ninth valve has flow paths that ensure that, when the ninth valve is opened, tap water flowing therein through the introduction pipe is directed into the water purifier, and, when the ninth valve is closed, dental water flowing therein from the eighth valve is directed into the water purifier.
  • the dental water processing system further comprises at least one branch pipe, which branches from the circulation pipe and is connected to the unit chair, wherein a shutoff valve is installed at a predetermined position on the branch pipe.
  • control section comprises a timer for comparing an already inputted time and a current time; and an apparatus control part for controlling the water purifier, the fifth valve, the sixth valve, the seventh valve, and the circulation pump in response to a signal from the timer.
  • control section comprises a timer for comparing an already inputted time and a current time; and an apparatus control part for controlling the water purifier, the fifth valve, the sixth valve, the seventh valve, the eighth valve, the ninth valve, and the circulation pump in response to a signal from the timer.
  • the dental water processing system further comprises an input section connected to the control section so that a user can input a time and a period.
  • the pressure or the flow rate of dental water in a circulation pipe is sensed at regular intervals, and, when the sensing result corresponds to the operating condition inputted by a user or a manufacturer, the dental water in the circulation pipe is automatically circulated, whereby it is possible to prevent a biofilm, etc. from forming on the inner surface of the circulation pipe.
  • the dental water in the circulation pipe is forcibly circulated to prevent the dental water from stagnating in the circulation pipe, or is purged to prevent a biofilm from forming on the inner surface of the circulation pipe.
  • FIG. 1 is a diagram schematically illustrating the construction of a dental water processing system in accordance with an embodiment of the present invention
  • FIG. 2 is diagrams schematically illustrating embodiments of a dental water processing apparatus which is employed in the dental water processing system shown in FIG. 1, wherein FIG. 2a illustrates a first embodiment and FIG. 2b illustrates a second embodiment;
  • FIG. 3 is a diagram schematically illustrating the construction of a dental water processing system in accordance with another embodiment of the present invention.
  • FIG. 4 is diagrams schematically illustrating embodiments of a dental water processing apparatus which is employed in the dental water processing system shown in FIG. 3, wherein FIG. 4a illustrates a third embodiment and FIG. 4b illustrates a fourth embodiment.
  • [40] 100 dental water processing apparatus
  • FIG. 1 is a diagram schematically illustrating the construction of a dental water processing system in accordance with an embodiment of the present invention.
  • a dental water processing system includes a dental water processing apparatus 100 having a water purifier and a circulation pipe 120 connected to the dental water processing apparatus 100.
  • An introduction pipe 110 having a water supply valve 112 for controlling the supply of tap water (that is, municipal water) is connected to the dental water processing apparatus 100. Tap water can be supplied into the dental water processing apparatus 100 through the introduction pipe 110.
  • the circulation pipe 120 is connected to the dental water processing apparatus 100 such that some of the dental water purified by the water purifier provided in the dental water processing apparatus 100 can be conveyed to a medical appliance for dental surgery such as a unit chair and the remainder of the dental water can be returned to the dental water processing apparatus 100.
  • the dental water may be conveyed to a plurality of medical appliances for dental surgery.
  • a branch pipe 122 is branched from a predetermined portion of the circulation pipe 120 by a T-joint, and is connected to the unit chair (not shown).
  • a shutoff valve 124 is installed at a predetermined position on the branch pipe 122 and is capable of interrupting the supply of the dental water to the unit chair.
  • the dental water processing apparatus 100 has a discharge pipe 130 for discharging contaminant-containing water produced in the dental water processing apparatus 100.
  • FIG. 2 is diagrams schematically illustrating embodiments of the dental water processing apparatus 100 which is employed in the dental water processing system shown in FIG. 1, wherein FIG. 2a illustrates a first embodiment and FIG. 2b illustrates a second embodiment.
  • 100 includes a water purifier 200 for purifying the tap water introduced therein through the introduction pipe 110.
  • the water purifier 200 can be composed of a plurality of filters, a motor pump, a purified water tank, and so forth.
  • a conventional water purifier can be used as the water purifier 200.
  • the water purifier 200 purifies the tap water introduced therein through the introduction pipe 110. Then, the purified dental water exits from the water purifier 200 through the outlet port of the water purifier 200.
  • the water purifier 200 functions to remove impurities (for example, rust, bacteria, microbes, etc.) contained in the tap water.
  • impurities for example, rust, bacteria, microbes, etc.
  • a first valve 210 is disposed adjacent to the outlet port of the water purifier 200.
  • the first valve 210 is a 3-way valve.
  • the first valve 210 has flow paths that ensure that, when the first valve 210 is opened, the dental water exiting from the water purifier 200 is directed into the circulation pipe 120, and, when the first valve 210 is closed, the dental water exiting from the water purifier 200 is shut off and the dental water flowing into the first valve 210 from a second valve 240 in a dental water circulation procedure, which will be described later in detail, is redirected into the circulation pipe 120.
  • a circulation pump 220 can be installed at a predetermined position on the circulation pipe 120, into which the dental water flows with the first valve 210 opened.
  • a motor pump (not shown) is arranged in the water purifier 200 in order to increase the supply pressure of purified dental water so that the water pressure in the circulation pipe 120 can be maintained constant by virtue of the power of the motor pump.
  • the circulation pump 220 is needed. Also, when appropriate water pressure cannot be maintained in the circulation pipe 120 using only the motor pump in the water purifier 200, since the length of the circulation pipe 120 is considerable, the circulation pump 220 can also be operated.
  • a pressure sensor and/or a flow sensor 230 for sensing the pressure and/or the flow rate of the dental water can be installed at a preset position on the circulation pipe 120. While FIG. 2a illustrates that the pressure sensor and/or the flow sensor 230 is installed on the circulation pipe 120 in the dental water processing apparatus 100, the pressure sensor and/or the flow sensor 230 can be installed at different positions on the circulation pipe 120.
  • the pressure sensor and/or the flow sensor 230 can repeatedly sense at regular intervals the pressure and/or the flow rate of the dental water in the circulation pipe 120, and repeatedly transmit sensed data to the data processing part 252 of a control section 250.
  • the interval can be optionally set by a user or a manufacturer.
  • a second valve 240 is installed on the circulation pipe 120 in the dental water processing apparatus 100 so that the dental water can be redirected into the circulation pipe 120 after being circulated through the circulation pipe 120.
  • the second valve 240 comprises a 3-way valve.
  • the second valve 240 has flow paths which ensure that, when the second valve 240 is opened, the dental water flowing into the second valve 240 from the circulation pipe 120 is directed into the discharge pipe 130, and, when the second valve 240 is closed, the dental water is prevented from being directed into the discharge pipe 130, and instead is directed toward the first valve 210.
  • the dental water processing apparatus 100 can be provided with the control section
  • the control section 250 controls the water purifier 200, the first valve 210, the second valve 240 and the circulation pump 220, and receives the data sensed by the pressure sensor and/or the flow sensor 230.
  • An input section 140 can be connected to the control section 250 so that a user or a manufacturer can input data required for controlling the dental water processing system.
  • the input section 140 can be attached outside the dental water processing apparatus 100 and can be provided as a separate device. Also, it can be envisaged that the input section 140 is not separately provided, but is connected to a central control unit such as a computer or the like.
  • the control section 250 can be composed of the data processing part 252 and an apparatus control part 254.
  • the data processing part 252 functions to store the data (operating conditions for the circulation of dental water), inputted from the input section 140, process the inputted data and the data sensed by the pressure sensor and/or the flow sensor 230, and transmit a circulation start signal or a circulation end signal to the apparatus control part 254.
  • the apparatus control part 254 functions to control the operations of the water purifier 200, the first valve 210, the second valve 240 and the circulation pump 220 in response to the circulation start signal or the circulation end signal from the data processing part 252.
  • the data processing part 252 transmits the circulation start signal when the pressure in the circulation pipe 120, which is transmitted from the pressure sensor 230, is higher than the pressure which is inputted from the input section 140, and transmits the circulation end signal when the pressure in the circulation pipe 120, which is transmitted from the pressure sensor 230, is lower than the pressure which is inputted from the input section 140.
  • the data processing part 252 transmits the circulation start signal when the flow rate in the circulation pipe 120, which is transmitted from the flow sensor 230, is less than the flow rate that is inputted from the input section 140 and transmits the circulation end signal when the flow rate in the circulation pipe 120, which is transmitted from the flow sensor 230, is greater than the flow rate that is inputted from the input section 140.
  • the tap water introduced through the introduction pipe 110 is purified using the water purifier 200, the purified dental water is directed into the circulation pipe 120 with the first valve 210 opened, and the dental water directed into the circulation pipe 120 is conveyed to the medical appliances for dental surgery, which are connected to the circulation pipe 120.
  • the remaining dental water which is left after being conveyed to the medical appliances for dental surgery, enters the dental water processing apparatus 100 through the circulation pipe 120 and is discharged through the discharge pipe 130 with the second valve 240 in an open state.
  • the dental water processing apparatus 100 according to the first embodiment of the present invention shown in FIG. 2a is constructed in a manner such that, when a large number of medical appliances for dental surgery, which are connected to the circulation pipe 120, are not operated and the dental water stagnates in the circulation pipe 120, circulation operation can be implemented to intentionally circulate the dental water in the circulation pipe 120.
  • a user or a manufacturer first inputs, through the input section 140, operating conditions for allowing the dental water processing system to implement the circulation operation.
  • the operating conditions can be a pressure and/or a flow rate of dental water.
  • the operating conditions are stored in the data processing part 252 of the control section 250.
  • the data processing part 252 repeatedly compares the inputted operating conditions with the data sensed from the pressure sensor and/or the flow sensor. At this time, as a result of the comparison between the operating conditions and the sensed data, if the sensed data satisfies the operating conditions (that is to say, if the sensed pressure is higher than the inputted pressure or the sensed flow rate is less than the inputted flow rate), the data processing part 252 transmits the operation start signal to the apparatus control part 254. Conversely, as a result of the comparison between the operating conditions and the sensed data, if the sensed data is found not to satisfy the operating conditions, the data processing part 252 transmits the operation end signal to the apparatus control part 254.
  • the apparatus control part 254 Upon receipt of the operation start signal, the apparatus control part 254 interrupts the operation of the water purifier 200, converts the first valve 210 and the second valve 240 from the opened state to the closed state, and actuates the circulation pump 220.
  • the first valve 210 shuts off the dental water exiting from the water purifier 200 and redirects the dental water circulated through the second valve 240 into the circulation pipe 120.
  • the second valve 240 directs the dental water entering the dental water processing apparatus 100 through the circulation pipe 120, not into the discharge pipe 130 but toward the first valve 210.
  • the circulation pump 220 is actuated, the dental water in the circulation pipe 120 is continuously circulated to prevent a biofilm from being created due to stagnation of the dental water.
  • the apparatus control part 254 interrupts the circulation operation of the dental water processing system and thereby returns the dental water processing system to a normal state. To this end, the apparatus control part 254 interrupts the operation of the circulation pump 220 and converts the first and second valves 210 and 240 from the closed state to the opened state.
  • the data processing part 252 of the control section 250 continuously compares the operating conditions inputted from the input section 140 with the data sensed by the pressure sensor and/or the flow sensor 230. As a result of this comparison, if the operating conditions are found to be satisfied, the data processing part 252 transmits the operation start signal to the apparatus control part 254 to restart the circulation operation.
  • the second embodiment of the dental water processing apparatus 100 is constructed in the same manner as the first embodiment, described above with reference to FIG. 2a, except that a third valve 260 is additionally provided between the first valve 210 and the second valve 240, and a fourth valve 270 is additionally provided between the introduction pipe 110 and the water purifier 200 to communicate with the third valve 260.
  • the fourth valve 270 comprises a 3-way valve.
  • the fourth valve 270 has flow paths which ensure that, when the fourth valve 270 is opened, the tap water introduced through the introduction pipe 110 is directed into the water purifier 200, and, when the fourth valve 270 is closed, the dental water flowing into the fourth valve 270 from the third valve 260 is directed into the water purifier 200.
  • a first valve 210 is disposed adjacent to the outlet port of the water purifier 200.
  • the first valve 210 has flow paths which ensure that, when the first valve 210 is opened, the dental water exiting from the water purifier 200 is directed into the circulation pipe 120, and, when the first valve 210 is closed, the dental water exiting from the water purifier 200 is shut off and the dental water flowing into the first valve 210 from the third valve 260 in a dental water circulation procedure, which will be described later in detail, is redirected into the circulation pipe 120.
  • a circulation pump 220 can be installed at a predetermined position on the circulation pipe 120, into which the dental water flows with the first valve 210 opened.
  • a motor pump is arranged in the water purifier 200 in order to increase the supply pressure of purified dental water so that the water pressure in the circulation pipe 120 can be maintained constant by virtue of the power of the motor pump.
  • the circulation pump 220 is needed. Also, when appropriate water pressure cannot be maintained in the circulation pipe 120 using only the motor pump in the water purifier 200, since the length of the circulation pipe 120 is considerable, the circulation pump 220 can also be operated.
  • a pressure sensor and/or a flow sensor 230 for sensing the pressure and/or the flow rate of the dental water can be installed at a preset position on the circulation pipe 120. While this second embodiment, shown in FIG. 2b, illustrates that the pressure sensor and/or the flow sensor 230 is installed on the circulation pipe 120 in the dental water processing apparatus 100, the pressure sensor and/or the flow sensor 230 can be installed at different positions on the circulation pipe 120.
  • the pressure sensor and/or the flow sensor 230 can repeatedly sense, at regular intervals, the pressure and/or the flow rate of the dental water in the circulation pipe 120, and repeatedly transmit sensed data to the data processing part 252 of a control section 250.
  • the interval can be optionally set either by a user or by a manufacturer.
  • a second valve 240 is installed on the circulation pipe 120 in the dental water processing apparatus 100 so that the dental water can be redirected into the circulation pipe 120 after being circulated through the circulation pipe 120.
  • the second valve 240 has flow paths which ensure that, when the second valve 240 is opened, the dental water flowing into the second valve 240 from the circulation pipe 120 is directed into the discharge pipe 130, and, when the second valve 240 is closed, the dental water is prevented from being directed into the discharge pipe 130 and instead is directed toward the third valve 260, which will be described below in detail.
  • the third valve 260 is provided between the first valve 210 and the second valve
  • the third valve 260 comprises a 3-way valve.
  • the third valve 260 has flow paths which ensure that, when the third valve 260 is opened, the dental water flowing into the third valve 260 from the second valve 240 is directed into the first valve 210, and, when the third valve 260 is closed, the dental water flowing into the third valve 260 from the second valve 240 is directed into the fourth valve 270.
  • the dental water processing apparatus 100 can be provided with the control section
  • the control section 250 controls the water purifier 200, the first valve 210, the second valve 240, the third valve 260, the fourth valve 270 and the circulation pump 220, and receives the data sensed by the pressure sensor and/or the flow sensor 230.
  • An input section 140 can be connected to the control section 250, so that a user or a manufacturer can input data required for controlling the dental water processing system.
  • the input section 140 can be attached outside the dental water processing apparatus 100, and can be provided as a separate device. Also, it can be envisaged that the input section 140 is not separately provided, but is connected to a central control unit such as a computer or the like.
  • the control section 250 can be composed of the data processing part 252 and an apparatus control part 254.
  • the data processing part 252 functions to store the data (operating conditions for the circulation of dental water) inputted from the input section 140, process the inputted data and the data sensed by the pressure sensor and/or the flow sensor 230, and transmit a circulation start signal or a circulation end signal to the apparatus control part 254.
  • the apparatus control part 254 functions to control the operations of the water purifier 200, the first valve 210, the second valve 240, the third valve 260, the fourth valve 270 and the circulation pump 220 in response to the circulation start signal or the circulation end signal from the data processing part 252.
  • the data processing part 252 transmits the circulation start signal when the pressure in the circulation pipe 120, which is transmitted from the pressure sensor 230, is higher than the pressure which is inputted from the input section 140, and transmits the circulation end signal when the pressure in the circulation pipe 120, which is transmitted from the pressure sensor 230, is lower than the pressure which is inputted from the input section 140.
  • the data processing part 252 transmits the circulation start signal when the flow rate in the circulation pipe 120, which is transmitted from the flow sensor 230, is less than the flow rate which is inputted from the input section 140, and transmits the circulation end signal when the flow rate in the circulation pipe 120, which is transmitted from the flow sensor 230, is greater than the flow rate which is inputted from the input section 140.
  • the tap water introduced through the introduction pipe 110 is purified using the water purifier 200, the purified dental water is directed into the circulation pipe 120 with the first valve 210 opened, and the dental water directed into the circulation pipe 120 is conveyed to the medical appliances for dental surgery, which are connected to the circulation pipe 120.
  • the remaining dental water which is left after being conveyed to the medical appliances for dental surgery, enters the dental water processing apparatus 100 through the circulation pipe 120 and is discharged through the discharge pipe 130 with the second valve 240 opened.
  • the dental water processing apparatus 100 is constructed in a manner such that, when the medical appliances for dental surgery are not operated and the dental water stagnates in the circulation pipe 120, circulation operation can be implemented to intentionally circulate the dental water in the circulation pipe 120.
  • a user or a manufacturer In the circulation operation in the dental water processing system, a user or a manufacturer first inputs, through the input section 140, operating conditions for allowing the dental water processing system to implement the circulation operation.
  • the operating conditions can be a pressure and/or a flow rate of dental water.
  • the operating conditions are stored in the data processing part 252 of the control section 250.
  • the data processing part 252 repeatedly compares the inputted operating conditions with the data sensed from the pressure sensor and/or the flow sensor. At this time, as a result of the comparison between the operating conditions and the sensed data, if the sensed data satisfies the operating conditions (that is to say, if the sensed pressure is higher than the inputted pressure or the sensed flow rate is less than the inputted flow rate), the data processing part 252 transmits the operation start signal to the apparatus control part 254. Conversely, as a result of the comparison between the operating conditions and the sensed data, if the sensed data does not satisfy the operating conditions, the data processing part 252 transmits the operation end signal to the apparatus control part 254.
  • the apparatus control part 254 controls the water purifier 200, the first valve 210, the second valve 240, the third valve 260 and the fourth valve 270 in a manner such that the water purifier 200 is continuously operated, the first valve 210 is held in the opened state, the second valve 240 is converted from the opened state to the closed state, the third valve 260 is held in the closed state, and the fourth valve 270 is converted from the opened state to the closed state.
  • the circulation pump 220 installed on the circulation pipe 120, can be operated under the control of the apparatus control part 254.
  • the fourth valve 270 prevents the tap water, flowing through the introduction pipe 110, from being introduced into the water purifier 200, and allows the dental water flowing therein from the third valve 260 to be introduced into the water purifier 200.
  • the water purifier 200 re-purifies the dental water introduced through the fourth valve 270.
  • the first valve 210 redirects the dental water re-purified by the water purifier 200 into the circulation pipe 120.
  • the second valve 240 directs the dental water, circulated through the circulation pipe 120, into the third valve 260.
  • the third valve 260 directs the dental water flowing therein from the second valve 240 into the fourth valve 270.
  • the dental water stagnating in the circulation pipe 120 can be circulated and then re-purified by the water purifier 200, not only can the impurities, which may be generated in the circulation pipe 120, be removed, but it is also possible to prevent a biofilm from being created due to the stagnation of the dental water.
  • the apparatus control part 254 interrupts the circulation operation of the dental water processing system and thereby returns the dental water processing system to a normal state. To this end, the apparatus control part 254 interrupts the operation of the water purifier 200 and the circulation pump 220 and converts the second and fourth valves 240 and 270 from the closed state to the opened state.
  • the reason why the operation of the first valve 210 and the third valve 260 is not changed by the circulation end signal resides in that it is not necessary to change the first valve 210 from the opened state even under the circulation operation or while the dental water processing system is used, and the third valve 260 can be held in the opened state or the closed state when the first valve 210 is held in the opened state, the second valve 240 is held in the opened state and the fourth valve 270 is held in the opened state.
  • the data processing part 252 of the control section 250 continuously compares the operating conditions inputted from the input section 140 with the data sensed by the pressure sensor and/or the flow sensor 230. As a result of this comparison, if the operating conditions are found to be satisfied, the data processing part 252 transmits the operation start signal to the apparatus control part 254 to restart the circulation operation.
  • FIG. 3 is a diagram schematically illustrating the construction of a dental water processing system in accordance with another embodiment of the present invention.
  • a dental water processing system includes a dental water processing apparatus 300 having a water purifier, and a circulation pipe 320 connected to the dental water processing apparatus 300.
  • An introduction pipe 310 having a water supply valve 312 for controlling the supply of tap water (that is, municipal water) is connected to the dental water processing apparatus 300.
  • Tap water can be supplied into the dental water processing apparatus 300 through the introduction pipe 310.
  • the circulation pipe 320 is connected to the dental water processing apparatus 300 such that some of the dental water purified by the water purifier arranged in the dental water processing apparatus 300 can be conveyed to a medical appliance for dental surgery, such as a unit chair, and the remainder of the dental water can be returned to the dental water processing apparatus 300.
  • a branch pipe 322 is branched from a predetermined portion of the circulation pipe
  • a shutoff valve 324 is installed at a predetermined position on the branch pipe 322 and is capable of preventing conveyance of the dental water to the unit chair.
  • the dental water processing apparatus 300 has a discharge pipe 330 for discharging contaminant-containing water produced in the dental water processing apparatus 300.
  • the dental water processing apparatus 300 further has an air pipe 510 for purging the dental water from the dental water processing apparatus 300.
  • FIG. 4 is diagrams schematically illustrating embodiments of the dental water processing apparatus 300 which is employed in the dental water processing system shown in FIG. 3, wherein FIG. 4a illustrates a third embodiment and FIG. 4b illustrates a fourth embodiment.
  • 300 includes a water purifier 400 for purifying the tap water introduced therein through the introduction pipe 310, a fifth valve 410, which is connected to the water purifier 400 and communicates with the air pipe 510, a sixth valve 420, which is connected to the fifth valve 410, a circulation pipe 320, which is connected to the sixth valve 420, a circulation pump 440, which is disposed at a predetermined position on the circulation pipe 320, a seventh valve 430, which is installed at a predefined position on the circulation pipe 320, and a discharge pipe 330, which is connected to the seventh valve 430.
  • a water purifier 400 for purifying the tap water introduced therein through the introduction pipe 310
  • a fifth valve 410 which is connected to the water purifier 400 and communicates with the air pipe 510
  • a sixth valve 420 which is connected to the fifth valve 410
  • a circulation pipe 320 which is connected to the sixth valve 420
  • a circulation pump 440 which is disposed at a predetermined position on the circulation pipe
  • the water purifier 400 can be composed of a plurality of filters, a motor pump, a purified water tank, and so forth.
  • a conventional water purifier can be used as the water purifier 400.
  • the water purifier 400 purifies the tap water, introduced therein through the introduction pipe 310. Then, the purified dental water exits from the water purifier 400 through the outlet port of the water purifier 400.
  • the water purifier 400 functions to remove impurities contained in the tap water.
  • the water purifier 400 purifies the tap water introduced therein through the introduction pipe 310 and discharges the purified dental water through the outlet port thereof.
  • the fifth valve 410 is disposed adjacent to the outlet port of the water purifier 400.
  • the fifth valve 410 is a 3-way valve.
  • the fifth valve 410 has flow paths which ensure that, when the fifth valve 410 is opened, the dental water exiting from the water purifier 400 is directed into the sixth valve 420, which will be described below in detail, and, when the fifth valve 410 is closed, the dental water exiting from the water purifier 400 is prevented from being directed into the sixth valve 420 and the compressed air supplied through the air pipe 510 is directed into the sixth valve 420.
  • the fifth valve 410 is connected with the sixth valve 420, which in turn is connected with the circulation pipe 320.
  • the sixth valve 420 comprises a 3-way valve.
  • the sixth valve 420 has flow paths which ensure that, when the sixth valve 420 is opened, the dental water flowing therein through the fifth valve 410 or the compressed air flowing therein through the air pipe 510 is directed into the circulation pipe 320, and, when the sixth valve 420 is closed, the dental water from the fifth valve 410 or the compressed air from the air pipe 510 is shut off and the dental water flowing therein through the seventh valve 430, which will be described below in detail, is directed into the circulation pipe 320.
  • the circulation pump 440 is installed at the predetermined position on the circulation pipe 320. That is to say, the circulation pump 440 can be located at the predetermined position on the circulation pipe 320, into which the dental water flows, with the fifth valve 410 and the sixth valve 420 opened.
  • a motor pump (not shown) is arranged in the water purifier 400 in order to increase the supply pressure of purified dental water so that the water pressure in the circulation pipe 320 can be kept constant by virtue of the power of the motor pump.
  • the circulation pump 440 is needed. Also, when appropriate water pressure cannot be maintained in the circulation pipe 320 using only the motor pump in the water purifier 400, since the length of the circulation pipe 320 is considerable, the circulation pump 440 can also be operated.
  • the seventh valve 430 is installed on the circulation pipe 320 in the dental water processing apparatus 300 so that the dental water can be redirected into the circulation pipe 320 after being circulated through the circulation pipe 320.
  • the seventh valve 430 comprises a 3-way valve.
  • the seventh valve 430 has flow paths which ensure that, when the seventh valve 430 is opened, the dental water or the compressed air flowing therein from the circulation pipe 320 is directed into the discharge pipe 330, and, when the seventh valve 430 is closed, the dental water is prevented from being directed into the discharge pipe 330, and instead is directed into the sixth valve 420.
  • An input section 340 can be connected to a control section 450, so that a user or a manufacturer can input data required for controlling the dental water processing system.
  • the input section 340 can be attached outside the dental water processing apparatus 300, and can be provided as a separate device. Also, it can be envisaged that the input section 340 is not separately provided, but is connected to a central control unit such as a computer or the like.
  • the control section 450 can be composed of a timer 452 and an apparatus control part 554.
  • the timer 452 functions to store the data (data such as circulation operation time and period and purging operation time and period), compare the time thereof with the inputted data, and transmit a circulation operation start signal, a circulation operation end signal, a purging operation start signal or a purging operation end signal to the apparatus control part 454.
  • the apparatus control part 554 functions to control the operation of the water purifier 400, the fifth valve 410, the sixth valve 420, the seventh valve 430 and the circulation pump 440 in response to the circulation operation start signal, the circulation operation end signal, the purging operation start signal or the purging operation end signal from the timer 452.
  • the tap water, introduced through the introduction pipe 310, is purified using the water purifier 400, the purified dental water is directed into the circulation pipe 320 with the fifth and sixth valves 410 and 420 opened, and the dental water directed into the circulation pipe 320 is conveyed to the medical appliances for dental surgery, which are connected to the circulation pipe 320.
  • the remaining dental water which is left after being conveyed to the medical appliances for dental surgery, enters the dental water processing apparatus 300 through the circulation pipe 320 and is discharged through the discharge pipe 330 with the seventh valve 430 opened.
  • the dental water processing apparatus 300 is constructed in a manner such that, when the medical appliances for dental surgery are not operated and the dental water stagnates in the circulation pipe 320, a circulation operation or purging operation can be implemented to intentionally circulate or purge the dental water in the circulation pipe 320.
  • the circulation operation time may be the time at which the medical appliances of the dental water processing system are not operated. In general, the times at which all of the medical appliances are simultaneously stopped may include lunch time, the time after closing time or the days that the dental office is closed, or may be a time that is predefined by a user (a time that is predefined by a user for the circulation operation).
  • the timer 452 repeatedly compares the inputted circulation operation time with the time of the timer 452. At this time, if the circulation operation time and the time of the timer 452 (that is, the current time) correspond to each other, the timer 452 transmits the circulation operation start signal to the apparatus control part 454.
  • the apparatus control part 454 Upon receipt of the circulation operation start signal, the apparatus control part 454 interrupts the operation of the water purifier 400, continuously holds the fifth valve 410 in the opened state, converts the sixth valve 420 from the opened state to the closed state, actuates the circulation pump 440, and converts the seventh valve 430 from the opened state to the closed state.
  • the fifth valve 410 continuously shuts off the compressed air from the air pipe 510
  • the sixth valve 420 shuts off the dental water exiting from the water purifier 400 and redirects the dental water, circulating through the seventh valve 430, into the circulation pipe 320.
  • the seventh valve 430 prevents the dental water from flowing into the discharge pipe 330 and guides the dental water toward the sixth valve 420.
  • the circulation pump 440 which is located at the predetermined position on the circulation pipe 320, is actuated, the dental water in the circulation pipe 320 is continuously circulated to prevent a biofilm from being created due to stagnation of the dental water.
  • the timer 452 of the control section 450 repeatedly compares the inputted circulation operation period with the time that has elapsed since the circulation operation time. If the circulation operation period and the lapsed period correspond to each other, the timer 452 transmits the circulation operation end signal to the apparatus control part 454 of the control section 450.
  • the apparatus control part 454 Upon receipt of the circulation operation end signal, the apparatus control part 454 finishes the circulation operation of the dental water processing system and thereby returns the dental water processing system to a normal state. To this end, the apparatus control part 254 interrupts the operation of the circulation pump 440 and converts the sixth and seventh valves 420 and 430 from the closed state to the opened state, so that they are in a normal state.
  • the timer 452 of the control section 450 continuously compares the circulation operation time with the current time. As a result of this comparison, if the circulation operation time and the current time correspond to each other, the timer 452 transmits the circulation operation start signal to the apparatus control part 454 to restart the circulation operation.
  • the inside of the circulation pipe 320 can be kept in a clean state, and therefore, it is possible to continuously convey clean dental water to the medical appliances for dental surgery.
  • a user or a manufacturer first inputs, through the input section 340, a purging operation time and period at and for which the dental water processing system implements a purging operation, and a refilling operation time and period, at and for which the dental water processing system implements a refilling operation.
  • the timer 452 repeatedly compares the inputted purging operation time with the time of the timer 452.
  • the timer 452 transmits the purging operation start signal to the apparatus control part 454.
  • the apparatus control part 454 Upon receipt of the purging operation start signal, the apparatus control part 454 interrupts the operation of the water purifier 400, switches the fifth valve 410 to the closed state, and continuously keeps the sixth valve 420 and the seventh valve 430 in the opened state.
  • the fifth valve 410 directs the compressed air from the air pipe 510 into the sixth valve 420, and the sixth valve 420 directs the compressed air into the circulation pipe 320.
  • the compressed air introduced into the circulation pipe 320, purges the dental water in the circulation pipe 320 through the seventh valve 430 and the discharge pipe 330.
  • the timer 452 of the control section 450 repeatedly compares the inputted purging operation period with the time that has elapsed since the purging operation time. If the purging operation period and the lapsed time correspond to each other, the timer 452 transmits the purging operation end signal to the apparatus control part 454 of the control section 450.
  • the apparatus control part 454 finishes the operation of purging the dental water processing system. At this time, by switching the seventh valve 430 into the closed state, the space inside the circulation pipe 320 can be maintained in a state in which it is filled with the compressed air.
  • the timer 452 repeatedly compares the refilling operation time, inputted from the input section 340, with the current time. When the refilling operation time and the current time correspond to each other, the timer 452 transmits the refilling operation start signal to the apparatus control part 454 to start the refilling operation.
  • the fifth valve 410 is converted into the opened state, and the seventh valve 430 is converted into the opened state.
  • the space inside the circulation pipe 320 which is filled with the compressed air, is refilled with the dental water.
  • the inside of the circulation pipe 320 can be kept in a clean state, and therefore, it is possible to continuously convey clean dental water to the medical appliances for dental surgery. Further, if desired, by adding various chemicals into the compressed air or heating the compressed air to a high temperature and then introducing the heated compressed air into the circulation pipe 320, organic substances, such as bacteria or pathogens, which cling to the inner surface of the circular pipe 320, can be removed.
  • the fourth embodiment of the dental water processing apparatus 300 is constructed in the same manner as the third embodiment, described above with reference to FIG. 4a, except that an eighth valve 460 is additionally provided between the sixth valve 420 and the seventh valve 430, and a ninth valve 470 is additionally provided between the introduction pipe 310 and the water purifier 400 to communicate with the eighth valve 460.
  • the eighth valve 460 is a 3-way valve.
  • the eighth valve 460 has flow paths that ensure that, when the eighth valve 460 is opened, the dental water flowing therein from the seventh valve 430 is directed into the sixth valve 420, and, when the eighth valve 460 is closed, the dental water flowing therein from the seventh valve 430 is directed into the ninth valve 470.
  • the ninth valve 470 is a 3-way valve.
  • the ninth valve 470 has flow paths that ensure that, when the ninth valve 470 is opened, the tap water flowing therein through the introduction pipe 310 is directed into the water purifier 400, and, when the ninth valve 470 is closed, the dental water flowing therein from the eighth valve 460 is directed into the water purifier 400.
  • the dental water processing apparatus 300 can be provided with a control section
  • the control section 250 controls the water purifier 400, the fifth valve 410, the sixth valve 420, the seventh valve 430, the eighth valve 460, the ninth valve 470 and the circulation pump 440.
  • an input section 340 can be connected to the control section 450, so that a user or a manufacturer can input data required for controlling the dental water processing system.
  • the control section 450 can be composed of a timer 452 and an apparatus control part 454.
  • the timer 452 functions to store the data (data such as circulation operation time and period and a purging operation time and period), compare the time thereof with the inputted data, and transmit a circulation operation start signal, a circulation operation end signal, a purging operation start signal, a purging operation end signal, a refilling operation start signal or a refilling operation end signal to the apparatus control part 454.
  • the apparatus control part 454 functions to control the operation of the water purifier 400, the fifth valve 410, the sixth valve 420, the seventh valve 430, the eighth valve 460, the ninth valve 470 and the circulation pump 440 in response to the various signals from the timer 452.
  • the tap water introduced through the introduction pipe 310 is purified using the water purifier 400, the purified dental water is directed into the circulation pipe 320 with the fifth and sixth valves 410 and 420 opened, and the dental water directed into the circulation pipe 320 is conveyed to the medical appliances for dental surgery, which are connected to the circulation pipe 320.
  • the remaining dental water which is left after being conveyed to the medical appliances for dental surgery, enters the dental water processing apparatus 300 through the circulation pipe 320, and is discharged through the discharge pipe 330 with the seventh valve 430 opened.
  • a user or a manufacturer first inputs, through the input section 340, a circulation operation time and period for allowing the dental water processing system to conduct the circulation operation.
  • the timer 452 repeatedly compares the inputted circulation operation time with the time of the timer 452. At this time, if the circulation operation time and the time of the timer 452 (that is, the current time) are the same as each other, the timer 452 transmits the circulation operation start signal to the apparatus control part 454.
  • the apparatus control part 454 controls the water purifier 400, the circulation pump 440, the fifth valve 410, the sixth valve 420, the seventh valve 430, the eighth valve 460 and the ninth valve 470 in a manner such that the water purifier 400 is continuously operated, the circulation pump 440 is actuated, the fifth valve 410 and the sixth valve 420 are continuously kept in the opened state, and the seventh valve 430, the eighth valve 460 and the ninth valve 470 are switched from the opened state to the closed state.
  • the ninth valve 470 prevents tap water from being introduced into the water purifier 400, introduces the dental water flowing therein from the eighth valve 460 into the water purifier 400 to allow the dental water to be re-purified so that the dental water, which is likely to be contaminated while being circulated through the circulation pipe 320, can be re-purified, and directs the re- purified dental water into the circulation pipe 320 through the fifth and sixth valves 410 and 420.
  • the dental water, having passed through the circulation pipe 320 is redirected into the ninth valve 470 through the seventh and eighth valves 430 and 460 to repeat the above-described procedure.
  • the timer 452 of the control section 450 repeatedly compares the inputted circulation operation period with the time that has elapsed since the circulation operation time. If the circulation operation period and the elapsed time are the same as each other, the timer 452 transmits the circulation operation end signal to the apparatus control part 454 of the control section 450.
  • the apparatus control part 454 Upon receipt of the circulation operation end signal, the apparatus control part 454 finishes the circulation operation of the dental water processing system and thereby returns the dental water processing system to a normal state. To this end, the apparatus control part 254 interrupts the operation of the water purifier 400 and the circulation pump 440 and switches the seventh valve 430, the eighth valve 460 and the ninth valve 470 from the closed state to the opened state.
  • the timer 452 of the control section 450 continuously compares the circulation operation time with the current time. As a result of this comparison, if the circulation operation time and the current time are the same as each other, the timer 452 transmits the circulation operation start signal to the apparatus control part 454 to restart the circulation operation.
  • the inside of the circulation pipe 320 can be maintained in a clean state, and therefore, it is possible to continuously convey clean dental water to the medical appliances for dental surgery.
  • a user or a manufacturer first inputs through the input section 340 a purging operation time and period at and for which the dental water processing system implements a purging operation, and a refilling operation time and period at and for which the dental water processing system implements refilling operation.
  • the timer 452 repeatedly compares the inputted purging operation time with the time of the timer 452. At this time, if the purging operation time and the time of the timer 452 (that is, the current time) are the same as each other, the timer 452 transmits the purging operation start signal to the apparatus control part 454.
  • the apparatus control part 454 Upon receipt of the purging operation start signal, the apparatus control part 454 interrupts the operation of the water purifier 400, switches the fifth valve 410 into the closed state, and continuously holds the sixth valve 420 and the seventh valve 430 in the opened state.
  • the fifth valve 410 directs the compressed air from the air pipe 510 into the sixth valve 420
  • the sixth valve 420 directs the compressed air into the circulation pipe 320.
  • the compressed air introduced into the circulation pipe 320 purges the dental water in the circulation pipe 320 through the seventh valve 430 and the discharge pipe 330.
  • the timer 452 of the control section 450 repeatedly compares the inputted purging operation period with the time that has elapsed since the purging operation time. If the purging operation period and the elapsed time are the same as each other, the timer 452 transmits the purging operation end signal to the apparatus control part 454 of the control section 450.
  • the apparatus control part 454 finishes the purging operation of the dental water processing system. At this time, by switching the seventh valve 430 into the closed state, the space inside the circulation pipe 320 can be maintained in a state in which it is filled with the compressed air.
  • the timer 452 repeatedly compares the refilling operation time, inputted from the input section 340, with the current time. When the refilling operation time and the current time are the same as each other, the timer 452 transmits the refilling operation start signal to the apparatus control part 454 to start the refilling operation.
  • the inside of the circulation pipe 320 can be maintained in a clean state, and therefore, it is possible to continuously convey clean dental water to the medical appliances for dental surgery. Further, if desired, by adding various chemicals into the compressed air or heating the compressed air to a high temperature and then introducing the heated compressed air into the circulation pipe 320, organic substances, such as bacteria or pathogens, which cling to the inner surface of the circular pipe 320, can be removed.
  • the circulation operation can be implemented for a predetermined period, the purging operation is continuously implemented to purge the dental water in the circulation pipe, and then, when the dental water is needed, the refilling operation is implemented to refill the dental water in the circulation pipe.
  • the purging operation is first implemented to purge the dental water in the circulation pipe, the refilling operation is implemented after the lapse of a predetermined period to refill the dental water in the circulation pipe, and then, the circulation operation is implemented immediately before the use of the dental water, to thereby prevent the dental water from stagnating in the circulation pipe.
  • the present invention can be used in a dental office, etc., which is equipped with a dental water supply system.
  • the dental water processing system according to the present invention can prevent a biofilm from forming on the inner surface of a circulation pipe through circulating or purging the dental water in the circulation pipe.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention concerne un système de traitement d'eau dentaire qui détecte la pression ou le débit de l'eau dentaire dans un conduit à des intervalles réguliers, et qui, lorsque le résultat de détection correspond à une condition de fonctionnement entrée par un utilisateur ou un fabricant, fait circuler l'eau dentaire dans le conduit, ce qui empêche la formation d'un biofilm, etc., sur la surface intérieure du conduit, ou qui, si nécessaire, fait circuler ou purge l'eau dentaire dans un conduit pendant une durée prédéterminée à un moment prédéterminé, ce qui empêche la formation d'un biofilm, etc., sur la surface intérieure du conduit.
PCT/KR2007/000503 2006-08-07 2007-01-29 Système de traitement d'eau propre dentaire WO2008018669A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR2020060021146U KR200432183Y1 (ko) 2006-08-07 2006-08-07 치과용 정수 순환 장치
KR20-2006-0021146 2006-08-07
KR2020060022539U KR200433990Y1 (ko) 2006-08-23 2006-08-23 치과용 정수 처리 장치
KR20-2006-0022539 2006-08-23

Publications (1)

Publication Number Publication Date
WO2008018669A1 true WO2008018669A1 (fr) 2008-02-14

Family

ID=39033175

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2007/000503 WO2008018669A1 (fr) 2006-08-07 2007-01-29 Système de traitement d'eau propre dentaire

Country Status (1)

Country Link
WO (1) WO2008018669A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20162770A1 (it) * 2016-04-21 2017-10-21 Cefla Soc Cooperativa Sistema anti-ristagno per riunito odontoiatrico

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08196553A (ja) * 1995-01-24 1996-08-06 Osada Res Inst Ltd 歯科治療ユニット
US5785523A (en) * 1997-08-15 1998-07-28 Overmyer; Thad J. Dental water line flushing and disinfecting system
US6464868B1 (en) * 1999-09-14 2002-10-15 Amos Korin Method and system for controlling biofilm
JP2002360613A (ja) * 2001-06-07 2002-12-17 Osada Res Inst Ltd 歯科治療ユニット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08196553A (ja) * 1995-01-24 1996-08-06 Osada Res Inst Ltd 歯科治療ユニット
US5785523A (en) * 1997-08-15 1998-07-28 Overmyer; Thad J. Dental water line flushing and disinfecting system
US6464868B1 (en) * 1999-09-14 2002-10-15 Amos Korin Method and system for controlling biofilm
JP2002360613A (ja) * 2001-06-07 2002-12-17 Osada Res Inst Ltd 歯科治療ユニット

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20162770A1 (it) * 2016-04-21 2017-10-21 Cefla Soc Cooperativa Sistema anti-ristagno per riunito odontoiatrico
EP3235464A1 (fr) 2016-04-21 2017-10-25 Cefla Societa' Cooperativa Dispositif anti-stagnation pour une unité de traitement dentaire
RU2718609C2 (ru) * 2016-04-21 2020-04-08 Чефла Сочета Кооператива Противозастойное устройство для зубоврачебной установки

Similar Documents

Publication Publication Date Title
CN107921162B (zh) 洗消设备和洗消在洗消设备中的装载物的方法
JP2004506473A (ja) 医療用の器具に処置液を供給するための装置
US6186170B1 (en) Ozone-water feeding facility
WO2008018669A1 (fr) Système de traitement d'eau propre dentaire
KR20170133197A (ko) 살균수를 공급하는 정수 장치
KR20080078171A (ko) 치과용 의료배관 및 치과용 의료기기를 소독하기 위한정수장치
KR100959672B1 (ko) 치과용 정수처리 장치
KR100834533B1 (ko) 치과용 정수 처리 장치
KR200433988Y1 (ko) 치과용 정수처리 장치
KR100874510B1 (ko) 치과용 정수 순환 장치
KR101765669B1 (ko) 정수기 내부 유로의 살균방법
KR101849075B1 (ko) 수처리장치 및 그 살균방법
KR20180017295A (ko) 자동 스팀 살균 청소가 가능한 직수식 정수기
EP3235464B1 (fr) Dispositif anti-stagnation pour une unité de traitement dentaire
KR200433990Y1 (ko) 치과용 정수 처리 장치
JPH07116117A (ja) 内視鏡用洗浄消毒装置
EP1344499B1 (fr) Méthode pour nettoyer / désinfecter / stériliser les conduits d'eau d'unités dentaires et unité dentaire mettant en oeuvre cette méthode
KR101849088B1 (ko) 정수기 내부 유로의 살균방법
KR200432183Y1 (ko) 치과용 정수 순환 장치
KR100835695B1 (ko) 치과용 정수 순환 장치
JPH10338952A (ja) 無菌水供給装置
TWI236892B (en) Apparatus for automatically supplying water in dental water tank
JPH01153133A (ja) 内視鏡洗浄消毒装置
KR20080015135A (ko) 치과용 정수 순환 장치
KR100874511B1 (ko) 치과용 유닛 체어의 정수 처리 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07708659

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07708659

Country of ref document: EP

Kind code of ref document: A1