WO2016194448A1 - 内視鏡リプロセッサの制御方法 - Google Patents
内視鏡リプロセッサの制御方法 Download PDFInfo
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- WO2016194448A1 WO2016194448A1 PCT/JP2016/059494 JP2016059494W WO2016194448A1 WO 2016194448 A1 WO2016194448 A1 WO 2016194448A1 JP 2016059494 W JP2016059494 W JP 2016059494W WO 2016194448 A1 WO2016194448 A1 WO 2016194448A1
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- chemical solution
- measurement chamber
- concentration measurement
- chemical
- tank
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/121—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/121—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use
- A61B1/123—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use using washing machines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/121—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use
- A61B1/125—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use using fluid circuits
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/17—Combination with washing or cleaning means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
Definitions
- the present invention relates to a control method for an endoscope reprocessor including a densitometer.
- Endoscopes used in the medical field are subjected to regeneration processing using chemicals such as cleaning and disinfection after use.
- An endoscope reprocessor that automatically performs endoscope reproduction processing is also known.
- Japanese Patent Application Laid-Open No. 2010-57992 discloses an endoscope reprocessor including a concentration meter that measures the concentration of a chemical solution used for regeneration processing in a chemical solution tank that stores the chemical solution.
- a densitometer having a form using a permeable membrane that transmits specific ions in a chemical solution is known.
- the measurement surface which is a portion where the permeable membrane is provided, is brought into contact with the chemical solution.
- the concentration meter is used during the period when the chemical solution is discharged from the chemical solution tank.
- the measurement surface of this becomes dry.
- the present invention solves the above-described problems, and an object of the present invention is to provide a control method for an endoscope reprocessor that keeps the measurement surface of a densitometer in a wet state even during a period in which a chemical solution is discharged. .
- An endoscope reprocessor control method is a method for controlling an endoscope reprocessor including a drug solution tank, a concentration measurement chamber, and a concentration meter disposed in the concentration measurement chamber.
- Step I for introducing the chemical liquid into the tank
- Step II for introducing the chemical liquid into the concentration measurement chamber and measuring the concentration of the chemical liquid, and draining the chemical liquid in the chemical liquid tank from the endoscope reprocessor
- Step III for maintaining the state where the chemical tank is empty for a predetermined time
- Step IV for maintaining the amount of water in the concentration measurement chamber at a predetermined value or more during Step III.
- An endoscope reprocessor 1 shown in FIG. 1 is a device that performs a reproduction process on an endoscope.
- the regeneration treatment here is not particularly limited, and is a rinsing treatment with water, a washing treatment for removing dirt such as organic matter, a disinfection treatment for invalidating predetermined microorganisms, a sterilization treatment for eliminating or killing all microorganisms, Or any combination thereof may be used.
- the regeneration process performed by the endoscope reprocessor 1 includes a disinfection process using a chemical solution 11 that is a disinfectant.
- the endoscope reprocessor 1 includes a control unit 2, a power supply unit 3, a processing tank 4, a chemical solution tank 10, a concentration measurement chamber 20, and a concentration meter 30.
- the control unit 2 includes an arithmetic device (CPU), a storage device (RAM), an auxiliary storage device, an input / output device, a power control device, and the like, and each part of the endoscope reprocessor 1 is configured. You may have the structure which controls operation
- the power supply unit 3 supplies power to each part of the endoscope reprocessor 1.
- the power supply unit 3 distributes electric power obtained from the outside such as a commercial power supply to each part.
- the power supply unit 3 may include a power generation device or a battery.
- the treatment tank 4 has a concave shape having an opening that opens, and can store a liquid therein.
- An endoscope (not shown) can be disposed in the processing tank 4.
- the upper opening of the processing tank 4 may be configured to be closed by a lid.
- a chemical nozzle 5a and a drain port 4c are provided in the processing tank 4.
- the chemical liquid nozzle 5 a is an opening that communicates with the chemical liquid tank 10 via the chemical liquid conduit 5.
- the chemical liquid tank 10 stores the chemical liquid 11.
- medical solution tank 10 stores is not specifically limited, As mentioned above, the chemical
- the chemical solution 11 may be a cleaning solution used for the cleaning process.
- the chemical liquid line 5 is provided with a chemical liquid pump 5b. The chemical solution 11 in the chemical solution tank 10 is transferred into the processing tank 4 by operating the chemical solution pump 5b.
- the drainage port 4 c is an opening provided at the lowest position in the treatment tank 4.
- the drainage port 4 c is connected to the discharge pipe 9.
- the drain line 9 communicates the drain port 4 c and the switching valve 7.
- a recovery pipe line 8 and a waste pipe line 9a are connected to the switching valve 7.
- the switching valve 7 can be switched to a state in which the discharge conduit 9 is closed, a state in which the discharge conduit 9 and the recovery conduit 8 are in communication, or a state in which the discharge conduit 9 and the waste conduit 9a are in communication. .
- the recovery pipe line 8 communicates the chemical tank 10 and the switching valve 7. Further, a discharge pump 9b is provided in the waste pipe line 9a.
- the waste conduit 9a is connected to a drainage facility for receiving the liquid discharged from the endoscope reprocessor 1.
- the liquid can be stored in the treatment tank 4. Further, when the chemical solution 11 is stored in the processing tank 4, the chemical liquid 11 is transferred from the processing tank 4 to the chemical liquid tank 10 if the switching valve 7 is in a state where the discharge pipe 9 and the recovery pipe 8 are in communication. Is done. Further, when the switching valve 7 is in a state where the discharge pipe 9 and the waste pipe 9a are in communication with each other and the operation of the discharge pump 9b is started, the liquid in the processing tank 4 is drained via the waste pipe 9a. Is sent out.
- a circulation port 4b and a circulation nozzle 6a are provided in the treatment tank 4.
- the circulation port 4 b and the circulation nozzle 6 a communicate with each other via the circulation line 6.
- the circulation line 6 is provided with a circulation pump 6b.
- the endoscope reprocessor 1 accommodates the endoscope in the processing tank 4 and circulates the chemical solution 11 stored in the processing tank 4 to execute a disinfection process for the endoscope.
- the chemical liquid tank 10 is provided with a chemical liquid inlet 10a, a chemical liquid outlet 10d, and a water level meter 10f.
- the chemical solution inlet 10 a is an opening provided in the chemical solution tank 10.
- the chemical liquid inlet 10a communicates with the chemical liquid supply unit 10b.
- the chemical solution supply unit 10 b supplies the chemical solution 11 to the chemical solution tank 10.
- the chemical liquid supply unit 10b has a configuration in which the chemical liquid bottle 12 in which the unused chemical liquid 11 is stored and the chemical liquid inlet 10a communicate with each other.
- the unused chemical solution 11 is introduced from the chemical solution bottle 12 into the chemical solution tank 10 via the chemical solution supply unit 10b and the chemical solution introduction port 10a.
- the chemical solution discharge port 10 d is an opening provided at the bottom of the chemical solution tank 10.
- the chemical solution outlet 10d is provided with a discharge valve 10e for opening and closing the chemical solution outlet 10d.
- the chemical solution 11 can be stored in the chemical solution tank 10. Further, when the discharge valve 10e is opened, the chemical solution 11 in the chemical solution tank 10 can be discharged from the endoscope reprocessor so that the chemical solution tank 10 is emptied. However, the chemical solution discharge port 10d and the discharge valve 10e may not be provided. In this case, the chemical solution is transferred to the treatment tank 4 through the chemical solution pipe 5, and the chemical liquid in the treatment tank 4 is discharged through the drain port 4 c and the waste pipe line 9 a, so that the chemical liquid tank 10 is made empty. can do.
- the water level gauge 10 f detects whether or not the liquid level of the chemical solution 11 stored in the chemical solution tank 10 has reached a predetermined height in the chemical solution tank 10.
- the water level gauge 10 f is electrically connected to the control unit 2, and outputs detection result information to the control unit 2.
- the configuration of the water level gauge 10f is not particularly limited.
- the water level gauge 10f includes, for example, a pair of electrodes that are spaced apart from each other, and detects whether or not the chemical solution 11 has reached a predetermined water level based on the presence or absence of electrical continuity between the pair of electrodes.
- a so-called electrode-type water level sensor may be used.
- the water level meter 10f is a so-called float type water level sensor that detects whether or not the chemical liquid 11 has reached a predetermined water level based on the operating state of a switch that opens and closes according to the vertical movement of the float floating in the chemical liquid 11. It may be.
- the chemical tank 10 may have a configuration in which tap water is introduced and the tap water and the chemical are mixed at a predetermined ratio.
- the concentration measuring chamber 20 has an internal space for storing the chemical solution 11.
- a chemical solution transfer unit 22 is connected to the concentration measurement chamber 20.
- the chemical liquid transfer unit 22 transfers the chemical liquid 11 in both directions between the chemical liquid tank 10 and the concentration measurement chamber 20. Further, the chemical solution transfer unit 22 seals the internal space of the concentration measurement chamber 20.
- a measurement surface 21a of a concentration meter 21 to be described later is disposed in the concentration measurement chamber 20.
- the configuration of the chemical liquid transfer unit 22 is not particularly limited, but in the present embodiment, as an example, the chemical liquid transfer unit 22 includes an introduction pipe line 22a, an introduction pump 22b, a lead-out pipe line 22c, and an opening / closing valve 22d.
- the introduction pipe line 22a and the lead-out pipe line 22c communicate the chemical tank 10 and the concentration measurement chamber 20. Of the openings provided in the concentration measurement chamber 20, the openings other than the openings communicating with the introduction pipe line 22a and the lead-out pipe line 22c are temporarily or permanently sealed.
- the introduction pump 22b is provided in the introduction pipe line 22a and transfers the fluid in the introduction pipe line 22a in the direction from the chemical tank 10 to the concentration measurement chamber 20 when in an operating state.
- the introduction pump 22b is a so-called self-priming pump.
- the introduction pump 22b has a configuration that prevents the fluid in the introduction conduit 22a from flowing from the concentration measurement chamber 20 toward the chemical liquid tank 10 when the introduction pump 22b is in a stopped state.
- the opening / closing valve 22d is provided in the outlet conduit 22c, and opens and closes the outlet conduit 22c.
- the opening / closing operation of the opening / closing valve 22d is controlled by the control unit 2.
- the on-off valve 22d is configured to maintain a closed state when the power supply of the endoscope reprocessor 1 is in an off state.
- the chemical solution 11 in the chemical solution tank 10 is introduced into the concentration measurement chamber 20 by opening the opening / closing valve 22 d and operating the introduction pump 22 b. Further, even after the chemical solution 11 is introduced into the concentration measurement chamber 20, if the on-off valve 22d is opened and the introduction pump 22b is operated, the chemical solution 11 is introduced into the chemical solution tank 10, the introduction conduit 22a, the concentration measurement chamber 20, and the lead-out. It circulates so that it may return to the chemical
- the concentration measuring chamber 20 is sealed by setting the introduction pump 22b to a stopped state and closing the opening / closing valve 22d.
- the opening / closing valve 22d is not limited to the form of an electric valve whose opening / closing operation is controlled by the control unit 2.
- the open / close valve 22d is opened when the pressure difference between the pressure on the chemical tank 10 side of the fluid in the outlet pipe 22c and the pressure on the concentration measurement chamber 20 exceeds a predetermined value. It may be a valve.
- the opening / closing valve 22d allows the fluid in the outlet conduit 22c to flow from the concentration measurement chamber 20 toward the chemical solution tank 10, and prevents the fluid from flowing from the chemical solution tank 10 toward the concentration measurement chamber 20. It may be a check valve.
- the on-off valve 22d is a relief valve or a check valve, the concentration measuring chamber 20 is sealed if the introduction pump 22b is stopped.
- medical solution transfer part 22 is not limited to this embodiment.
- the chemical liquid transfer unit 22 includes a single pipe that communicates the chemical tank 10 and the concentration measurement chamber 20, a pump that is provided in the pipe, and that can transfer fluid in the pipe bidirectionally, and a pipe And an open / close valve that opens and closes.
- the chemical liquid transfer unit 22 includes a pipe line that communicates the chemical liquid tank 10 and the concentration measurement chamber 20, and an open / close valve that opens and closes the pipe line, and the chemical liquid tank 10 and the concentration measurement chamber are used without using a pump.
- the chemical solution 11 may be transferred in both directions between the chemical solution tank 10 and the concentration measurement chamber 20 depending on the water level difference between the chemical solution 20 and the concentration measurement chamber 20.
- the densitometer 21 includes a measurement surface 21 a disposed in the concentration measurement chamber 20.
- the densitometer 21 measures the concentration of the chemical solution 11 in contact with the measurement surface 21a.
- the configuration of the concentration meter 21 is not particularly limited as long as the concentration of a specific substance in the chemical solution 11 can be measured.
- the measurement surface 21a is a part of the outer surface of the measurement unit 21b.
- the measurement part 21b is a container-like member provided with an opening 21c.
- the opening 21c is sealed with a permeable membrane 21e.
- a content liquid 21f is sealed inside the opening 21c of the measurement unit 21b.
- the measurement surface 21a is a surface on the opposite side of the region in contact with the content liquid 21f of the osmotic membrane 21e.
- the osmotic membrane 21e transmits a specific substance in the chemical liquid 11 in contact with the measurement surface 21a to the content liquid 21f side. That is, the substance concentration in the content liquid 21f changes according to the substance concentration of the chemical liquid 11 in contact with the measurement surface 21a.
- a plurality of electrodes 21d are arranged apart from each other in the content liquid 21f.
- the plurality of electrodes 21d are connected to a control device (not shown) via an electric cable 21g.
- the control apparatus may be comprised integrally with the measurement part 21b.
- the densitometer 21 measures a change in potential difference generated between the plurality of electrodes 21d immersed in the content liquid 21f or a change in current value flowing between the plurality of electrodes 21d, and the measurement surface 21a is based on the measured value.
- the concentration of the chemical solution 11 in contact with is measured. Since the principle and configuration of concentration measurement in such a densitometer 21 are well known, detailed description thereof will be omitted.
- the endoscope reprocessor 1 includes an operation unit 13 and an output unit 14 that constitute a user interface that exchanges information with a user.
- the operation unit 13 and the output unit 14 are electrically connected to the control unit 2.
- the operation unit 13 and the output unit 14 may be provided in an electronic device that performs wireless communication with the control unit 2.
- the operation unit 13 includes operation members such as a push switch and a touch sensor.
- the output unit 14 includes, for example, a display device that displays images and characters, a light emitting device that emits light, a speaker that emits sound, or a combination thereof.
- FIG. 3 The flow shown in FIG. 3 is started when the power supply of the endoscope reprocessor 1 is turned on by manual operation by the user or automatic operation by timer control. Note that an input of an operation instruction from the user to the endoscope reprocessor 1 is performed via the operation unit 13.
- step S10 it is determined whether or not a power-off instruction has been input by the user. If it is determined in step S10 that a power-off instruction has been input, the power-off state is entered, and the flow shown in FIG. 3 ends. If it is determined in step S10 that a power-off instruction has not been input, the process proceeds to step S20.
- step S20 it is determined whether or not an instruction to discharge the chemical solution 11 in the chemical solution tank 10 from the endoscope reprocessor 1 has been input by the user.
- the operation of discharging the chemical solution 11 from the endoscope reprocessor 1 is executed, for example, when the chemical solution 11 in the chemical solution tank 10 is replaced or when the endoscope reprocessor 1 is not used for a relatively long time.
- step S20 when it is determined that an instruction to discharge the chemical liquid 11 in the chemical liquid tank 10 is input, the process proceeds to step S200 described later, and a discharge process is executed. If it is determined in step S20 that the instruction to discharge the chemical liquid 11 in the chemical liquid tank 10 has not been input, the process proceeds to step S30.
- step S30 it is determined whether or not an instruction to execute a reproduction process for the endoscope is input by the user. If it is determined in step S30 that an instruction to execute the reproduction process has been input, the process proceeds to step S40 described later. If it is determined in step S30 that an instruction to execute the reproduction process has not been input, the process returns to step S10.
- step S40 it is confirmed by the water level meter 10f whether or not the chemical solution 11 is stored up to a predetermined water level in the chemical solution tank 10.
- Step S40 when it is determined that the chemical liquid 11 is not stored up to a predetermined water level in the chemical liquid tank 10 (NO in Step S50), the process proceeds to Step S60.
- step S60 an output requesting the user to supply the chemical solution 11 into the chemical solution tank 10 is executed via the output unit 14. After executing step S60, the process returns to step S10. That is, in the endoscope reprocessor 1 of the present embodiment, the regeneration process for the endoscope is not started until the chemical liquid 11 is supplied to the predetermined liquid level in the chemical liquid tank 10 by the user.
- step S40 If it is determined in step S40 that the chemical liquid 11 is stored up to a predetermined water level in the chemical liquid tank 10 (YES in step S50), the process proceeds to step S100. That is, after step I, which is a process for introducing the chemical solution 11 into the chemical solution tank 10, is executed, the process proceeds to step S100.
- step S100 the chemical solution transfer unit 22 is operated to introduce the chemical solution 11 in the chemical solution tank 10 into the concentration measurement chamber 20. Specifically, in step S100, the opening / closing valve 22d is opened, and the operation of the introduction pump 22b is started. As a result, the chemical solution 11 in the chemical solution tank 10 is introduced into the concentration measurement chamber 20. By executing step S ⁇ b> 100, the measurement surface 21 a of the densitometer 21 disposed in the concentration measurement chamber 20 comes into contact with the chemical solution 11.
- step S110 the concentration measurement of the chemical solution 11 is performed by the concentration meter 21. That is, in Step S100 and Step S110, Step II, which is a step of measuring the concentration of the chemical solution 11 by introducing the chemical solution 11 into the concentration measurement chamber 20, is executed.
- step S120 it is determined whether or not the measured value of the concentration of the chemical solution 11 is within a predetermined range.
- the predetermined range of concentration is a range in which the medicinal solution 11 exhibits a medicinal effect required for executing the regeneration process.
- step S120 when it is determined that the measured value of the concentration of the drug solution 11 is within the predetermined range, the process proceeds to step S140, and a reproduction process for the endoscope is executed.
- the regeneration process for the endoscope includes a disinfection process in which the chemical solution 11 is introduced into the treatment tank 4 and the endoscope is immersed in the chemical solution 11.
- the chemical liquid pump 5b is operated, and the chemical liquid 11 is transferred from the chemical liquid tank 10 to the processing tank 4 in which the endoscope is disposed.
- medical solution 11 is stored to the predetermined
- the circulation pump 6 b is stopped, the chemical solution 11 in the treatment tank 4 is collected in the chemical solution tank 10 with the switching valve 7 in a state where the discharge pipe line 9 and the collection pipe line 8 are communicated.
- step S140 the process returns to step S10.
- step S120 determines whether the measured value of the concentration of the chemical solution 11 is outside the predetermined range. If it is determined in step S120 that the measured value of the concentration of the chemical solution 11 is outside the predetermined range, the process proceeds to step S130.
- step S ⁇ b> 130 an output requesting the user to perform a replacement operation of the chemical solution 11, which discharges the chemical solution 11 into the chemical solution tank 10 and supplies new chemical solution 11 into the chemical solution tank 10, This is executed via the output unit 14. After execution of step S130, the process returns to step S10.
- the regeneration process for the endoscope is not started until the chemical solution 11 having a concentration within a predetermined range is stored in the chemical solution tank 10.
- the user instructs to discharge the chemical solution 11 in the chemical solution tank 10 from the endoscope reprocessor 1 via the operation unit 13. input.
- step S20 when it is determined that the instruction to discharge the chemical solution 11 in the chemical solution tank 10 from the endoscope reprocessor 1 has been input by the user, the process proceeds to step S200.
- step S200 the discharge valve 10e is opened, and the chemical solution 11 in the chemical solution tank 10 is discharged to the outside of the endoscope reprocessor 1 through the chemical solution discharge port 10d. After the chemical solution 11 in the chemical solution tank 10 is discharged, the discharge valve 10e is closed.
- step S200 After execution of step S200, the chemical liquid tank 10 is empty until a new unused chemical liquid 11 is supplied via the chemical liquid supply unit 10b. That is, in step S200, step III, which is a step of discharging the chemical solution 11 in the chemical solution tank 10 from the endoscope reprocessor 1 and maintaining the state in which the chemical solution tank 10 is empty for a predetermined time, is executed.
- step S200 of the present embodiment the introduction pump 22b of the chemical solution transfer unit 22 is operated to discharge the chemical solution 11 in the concentration measurement chamber 20 into the chemical solution tank 10.
- step S210 the open / close valve 22d of the chemical solution transfer unit 22 is closed and the introduction pump 22b is stopped, thereby sealing the internal space of the concentration measurement chamber 20.
- step S210 the chemical solution 11 is discharged from the concentration measurement chamber 20, but moisture such as vapor or droplets of the chemical solution 11 remains in the concentration measurement chamber 20. . Then, by executing step S210 and sealing the inside of the concentration measurement chamber 20, the movement of moisture such as vapor or droplets of the chemical solution 11 in the concentration measurement chamber 20 to the outside of the concentration measurement chamber 20 is prevented.
- the amount of water in the concentration measurement chamber 20 is maintained at a predetermined value or more by executing step S210.
- the relative humidity in the concentration measurement chamber 20 is maintained at a predetermined value or higher by executing step S210.
- the predetermined value is not particularly limited and can be appropriately set.
- the relative humidity is preferably 100% or more. This is because if the relative humidity is 100% or more, condensation tends to occur on the measurement surface 21a of the densitometer 21.
- the opening / closing valve 22d maintains the closed state even when the endoscope reprocessor 1 is powered off. And it is in step S100 after the chemical
- the amount of water in the concentration measurement chamber 20 is equal to or greater than a predetermined value during Step III, which is a process of maintaining the state in which the chemical liquid tank 10 is empty for a predetermined time.
- Step IV which is a process of maintaining the above, is executed.
- the concentration measurement chamber 20 is sealed during the period in which the chemical tank 10 is empty, and the moisture in the concentration measurement chamber 20 is transferred to the concentration measurement chamber. 20 is prevented from moving outside.
- the relative humidity in the concentration measurement chamber 20 is maintained at a predetermined value or more even during the period when the chemical solution 11 is discharged and the chemical solution tank 10 is empty, the measurement by the densitometer 21 is performed.
- the surface 21a can be prevented from drying, and the measurement surface 21a can be kept wet.
- the concentration measurement of the chemical solution 11 by the densitometer 21 can be performed without providing a waiting time. Therefore, it is possible to shorten the time required for performing the reproduction process on the endoscope.
- FIG. 4 shows a modification of the control method of the endoscope reprocessor 1 of the present embodiment.
- FIG. 4 is a flowchart for explaining the step (step IV) of maintaining the water content in the concentration measurement chamber 20 at a predetermined value or more, which is executed in step S210.
- step S301 the operation of the introduction pump 22b of the chemical liquid transfer unit 22 is started. If the operation of the introduction pump 22b has already been performed in step S200, the operation state of the introduction pump 22b is maintained in step S301.
- step S302 the on-off valve 22d is closed.
- step S303 the process waits for a predetermined time. By executing step S302 and step S303, air is introduced into the sealed concentration measurement chamber 20, so that the atmospheric pressure in the concentration measurement chamber 20 becomes a positive pressure higher than the atmospheric pressure.
- step S304 the introduction pump 22b is stopped. Even if the introduction pump 22b is stopped, since the inside of the concentration measurement chamber 20 is sealed, the atmospheric pressure in the concentration measurement chamber 20 is kept at a positive pressure.
- the pressure in the concentration measurement chamber 20 is set higher than the atmospheric pressure in the step of maintaining the moisture content in the concentration measurement chamber 20 at a predetermined value or more.
- the dew point temperature of the chemical solution 11 that is a liquid remaining in the concentration measurement chamber 20 increases. Therefore, according to the present modification, the liquid remaining in the concentration measurement chamber 20 is less likely to evaporate, and moisture divergence to the outside of the concentration measurement chamber 20 is suppressed. It becomes possible to maintain the water content at a predetermined value or more.
- FIG. 5 is a diagram illustrating a configuration of the concentration measurement chamber 20 of the endoscope reprocessor 1 according to the present embodiment.
- an atomizing section 23 is disposed in the concentration measurement chamber 20 of the present embodiment.
- the atomizing unit 23 scatters the liquid stored in the concentration measurement chamber 20 as fine droplets in the air in the concentration measurement chamber 20.
- the atomizing unit 23 has a spraying configuration using a so-called venturi effect.
- the atomizing section 23 includes a narrow tube section 23a that sucks up the liquid stored in the concentration measuring chamber 20, and a blower section 23b that blows air to the upper end of the thin tube section 23a to generate an air flow at a predetermined speed.
- the air blower 23b is connected to an air supply device that sends out air at a predetermined pressure, such as an air compressor or an air tank provided in the endoscope reprocessor 1, via the air supply line 23c.
- the air supply line 23c is provided with a check valve 23d that blocks the flow of air and liquid in the direction from the concentration measurement chamber 20 toward the air supply line 23c.
- the atomization unit 23 may include a valve that discharges the air sent into the concentration measurement chamber 20.
- the atomization unit 23 of the present embodiment blows air supplied from the air supply device onto the upper end portion of the thin tube portion 23 a, thereby Is sucked into the air in the concentration measurement chamber 20 as fine droplets. If the supply of air from the air supply device is stopped, the inside of the concentration measurement chamber 20 is sealed by the check valve 23d.
- the structure of the atomization part 23 is not restricted to this embodiment.
- the atomization unit 23 may be configured to scatter liquid stored in the concentration measurement chamber 20 by vibrating the inner wall surface of the concentration measurement chamber 20 with an ultrasonic vibrator or the like.
- the atomizing unit 23 may be configured to scatter liquid by disturbing the liquid stored in the concentration measurement chamber 20.
- a water level sensor 24 is provided in the concentration measurement chamber 20 of the present embodiment.
- the water level sensor 24 detects whether or not the liquid level of the liquid stored in the concentration measurement chamber 20 has reached a predetermined water level.
- the water level sensor 24 is electrically connected to the control unit 2 and outputs detection result information to the control unit 2.
- the configuration of the water level sensor 24 is not particularly limited.
- the water level sensor 24 includes, for example, a pair of electrodes that are spaced apart from each other, and determines whether or not the liquid level has reached a predetermined water level based on the presence or absence of electrical continuity between the pair of electrodes.
- a so-called electrode-type water level sensor may be used.
- the water level sensor 24 detects whether or not the liquid level of the liquid has reached a predetermined water level based on the operating state of a switch that opens and closes according to the vertical movement of the float floating in the liquid. It may be a sensor.
- control method of the endoscope reprocessor 1 of this embodiment is only the first step (step IV) of maintaining the water content in the concentration measurement chamber 20 at a predetermined value or more, which is executed in step S210. Different from the embodiment. Therefore, below, only the process of maintaining the water content in the concentration measurement chamber 20 of the present embodiment above a predetermined value will be described.
- step S ⁇ b> 311 the water level sensor 24 uses the water level sensor 24 to reach a predetermined water level. Store liquid.
- the type of liquid stored in the concentration measurement chamber 20 in step S311 is not particularly limited, and may be the chemical solution 11 or may be a liquid different from the chemical solution 11 such as water.
- the liquid stored in the concentration measurement chamber 20 is water
- the recovery pipe 8 the chemical liquid tank 10
- the introduction pipe It introduces into the concentration measuring chamber 20 via the path 22a.
- step S312 the operation of the atomizing unit is started, and the liquid stored in the concentration measurement chamber 20 is scattered as fine droplets in the air in the concentration measurement chamber 20.
- the operation of the atomizing unit may be performed continuously or intermittently at predetermined time intervals.
- Step III is a process of maintaining the state in which the chemical liquid tank 10 is empty for a predetermined time.
- Step IV is performed in which the liquid is stored in the air in the concentration measurement chamber 20 as fine droplets.
- the concentration meter is obtained by scattering the liquid into the concentration measurement chamber 20 as fine droplets during the period when the chemical tank 10 is empty. Accordingly, the measurement surface 21a can be prevented from being dried and the measurement surface 21a can be kept in a wet state.
- the concentration measurement of the chemical solution 11 by the densitometer 21 can be performed without providing a waiting time. Therefore, it is possible to shorten the time required for performing the reproduction process on the endoscope.
- the water level sensor 24 is used as a configuration for storing a predetermined amount of liquid in the concentration measurement chamber 20 in step S311.
- a predetermined amount is stored in the concentration measurement chamber 20.
- the configuration for storing the liquid is not limited to this.
- FIG. 7 shows a modified example of the configuration for storing a predetermined amount of liquid in the concentration measurement chamber 20 in step S311.
- the bottom surface of the concentration measurement chamber 20 is provided with a recess 20 a that is concave downward.
- a part of the chemical solution 11 remains in the recess 20a.
- the atomization part 23 scatters the chemical
- the pressure in the concentration measurement chamber 20 is set higher than the atmospheric pressure in the step of maintaining the moisture content in the concentration measurement chamber 20 at a predetermined value or more. May be.
- the control method of the endoscope reprocessor 1 according to the present embodiment is that only the step (step IV) of maintaining the water content in the concentration measurement chamber 20 at a predetermined value or more, which is executed in step S210, is the first embodiment. And different. Therefore, below, only the process of maintaining the water content in the concentration measurement chamber 20 of the present embodiment above a predetermined value will be described.
- the chemical solution 11 is stored up to a predetermined water level in the concentration measurement chamber 20 in step S321.
- the predetermined water level for storing the chemical solution 11 in the concentration measurement chamber 20 is located above the measurement surface 21a of the concentration meter 21 disposed in the concentration measurement chamber 20.
- the densitometer 21 is placed in the concentration measuring chamber 20 during Step III, which is a step of maintaining the state in which the chemical liquid tank 10 is empty for a predetermined time.
- Step IV is performed in which the chemical solution 11 is stored above the measurement surface 21 a and the measurement surface 21 a is immersed in the chemical solution 11.
- the measurement surface 21a of the densitometer 21 is immersed in the chemical solution 11 during a period in which the inside of the chemical solution tank 10 is empty. Can be prevented, and the measurement surface 21a can be kept wet.
- the concentration measurement of the chemical solution 11 by the densitometer 21 can be performed without providing a waiting time. Therefore, it is possible to shorten the time required for performing the reproduction process on the endoscope.
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Abstract
Description
以下に、本発明の実施形態の一例を説明する。図1に示す内視鏡リプロセッサ1は、内視鏡に対して、再生処理を施す装置である。ここでいう再生処理とは特に限定されるものではなく、水によるすすぎ処理、有機物等の汚れを落とす洗浄処理、所定の微生物を無効化する消毒処理、全ての微生物を排除もしくは死滅させる滅菌処理、またはこれらの組み合わせ、のいずれであってもよい。
次に、本発明の第2の実施形態について説明する。以下では第1の実施形態との相違点のみを説明するものとし、第1の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。図5は、本実施形態の内視鏡リプロセッサ1の濃度測定室20の構成を示す図である。
次に、本発明の第3の実施形態について説明する。以下では第1の実施形態との相違点のみを説明するものとし、第1の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。
Claims (5)
- 薬液タンク、濃度測定室、および前記濃度測定室に配置された濃度計を含む内視鏡リプロセッサの制御方法であって、
前記薬液タンクに薬液を導入するステップIと、
前記濃度測定室に前記薬液を導入して前記薬液の濃度を測定するステップIIと、
前記薬液タンク内の薬液を前記内視鏡リプロセッサから排液して、前記薬液タンク内が空となった状態を所定時間維持するステップIIIと、
前記ステップIIIの間、前記濃度測定室内の水分量を所定値以上に維持するステップIVと、
を含むことを特徴とする内視鏡リプロセッサの制御方法。 - 前記ステップIVにおいて、前記濃度測定室内を密閉した状態を維持する
ことを特徴とする請求項1に記載の内視鏡リプロセッサの制御方法。 - 前記ステップIVにおいて、前記濃度測定室内の相対湿度を所定の値以上に維持する
ことを特徴とする請求項2に記載の内視鏡リプロセッサの制御方法。 - 前記ステップIVにおいて、前記濃度測定室内の気圧を大気圧よりも高い状態に維持する
ことを特徴とする請求項3に記載の内視鏡リプロセッサの制御方法。 - 前記ステップIVにおいて、前記濃度測定室内に所定量の液体を貯留した状態を維持する
ことを特徴とする請求項1に記載の内視鏡リプロセッサの制御方法。
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JP2016545373A JP6038412B1 (ja) | 2015-06-05 | 2016-03-24 | 内視鏡リプロセッサの制御方法 |
EP16802887.6A EP3176572B1 (en) | 2015-06-05 | 2016-03-24 | Control method for endoscope reprocessor |
CN201680002601.3A CN106687802B (zh) | 2015-06-05 | 2016-03-24 | 内窥镜清洗消毒机的控制方法 |
US15/450,530 US9993144B2 (en) | 2015-06-05 | 2017-03-06 | Control method for endoscope reprocessor |
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US15/450,530 Continuation US9993144B2 (en) | 2015-06-05 | 2017-03-06 | Control method for endoscope reprocessor |
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US (1) | US9993144B2 (ja) |
EP (1) | EP3176572B1 (ja) |
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JP5537752B1 (ja) * | 2013-02-13 | 2014-07-02 | オリンパスメディカルシステムズ株式会社 | 内視鏡洗浄消毒装置 |
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2016
- 2016-03-24 CN CN201680002601.3A patent/CN106687802B/zh active Active
- 2016-03-24 JP JP2016545373A patent/JP6038412B1/ja active Active
- 2016-03-24 EP EP16802887.6A patent/EP3176572B1/en not_active Not-in-force
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CN106687802B (zh) | 2019-05-07 |
EP3176572A1 (en) | 2017-06-07 |
US9993144B2 (en) | 2018-06-12 |
CN106687802A (zh) | 2017-05-17 |
EP3176572B1 (en) | 2019-03-13 |
JP6038412B1 (ja) | 2016-12-07 |
JPWO2016194448A1 (ja) | 2017-06-15 |
US20170172395A1 (en) | 2017-06-22 |
EP3176572A4 (en) | 2018-04-11 |
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