EP3157579A1 - Dispositif de nettoyage et/ou de désinfection - Google Patents

Dispositif de nettoyage et/ou de désinfection

Info

Publication number
EP3157579A1
EP3157579A1 EP15730120.1A EP15730120A EP3157579A1 EP 3157579 A1 EP3157579 A1 EP 3157579A1 EP 15730120 A EP15730120 A EP 15730120A EP 3157579 A1 EP3157579 A1 EP 3157579A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
volume
calibration
dosing unit
calibration volume
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP15730120.1A
Other languages
German (de)
English (en)
Inventor
Michael Lengsfeld
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Winter and Ibe GmbH
Original Assignee
Olympus Winter and Ibe GmbH
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
Application filed by Olympus Winter and Ibe GmbH filed Critical Olympus Winter and Ibe GmbH
Publication of EP3157579A1 publication Critical patent/EP3157579A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
    • 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
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/70—Cleaning devices specially adapted for surgical instruments
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/70—Cleaning devices specially adapted for surgical instruments
    • A61B2090/701—Cleaning devices specially adapted for surgical instruments for flexible tubular instruments, e.g. endoscopes
    • 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 invention relates to a cleaning and / or disinfecting device for cleaning and / or disinfecting medical devices, in particular endoscopes, comprising a dosing unit, which is fluidically coupled to a reservoir, in which liquid cleaning agent is provided, wherein the dosing unit is adapted to for providing a cleaning and / or rinsing liquid for cleaning and / or disinfecting the medical devices, to promote cleaning agent from the reservoir.
  • the invention also relates to a method for operating a cleaning and / or disinfecting device.
  • the preparation of the surgical instruments typically includes the steps of washing, disinfecting and drying.
  • the disinfection often precedes one or two washing or Vorwasch réelle. Subsequently, rinses with clear water and the drying courses are carried out.
  • one or more chemicals are added to a cleaning and / or rinsing liquid, which have a cleaning and / or disinfecting effect.
  • detergents In the context of the present description, such chemicals or chemical mixtures are generally referred to as detergents.
  • the cleaning agent which is typically present in liquid form, is additionally diluted with water.
  • the dosage of the cleaning agent via a metering pump. This ensures that the correct amount of detergent is added to the cleaning and / or rinsing fluid.
  • both an overdosing and an underdosing are suitable for negatively affecting the cleaning result. If the prescribed dosage is undercut, an insufficient cleaning or disinfecting effect may be expected. On the one hand, too high a dosage is uneconomical and, on the other hand, leads to unnecessary wear of the medical devices.
  • the dosing pump of a washer-disinfector is regularly checked and calibrated. However, for the operator this service means the loss of machine time and also additional costs for the use of the service technicians.
  • a cleaning and / or disinfecting device for cleaning and / or disinfecting medical devices comprising a dosing unit, which is fluidically coupled to a reservoir in which liquid cleaning agent is provided, the dosing unit being set up for this purpose for providing a cleaning and / or rinsing liquid for cleaning and / or disinfecting the medical devices, to promote cleaning agent from the reservoir.
  • the invention is based on the finding that calibration of a dosing unit in a cleaning and / or disinfecting device with the aid of a measuring column is reliable and accurate, whereby this calibration solution can also be realized with little constructive effort.
  • a measuring column can be easily integrated into a cleaning and / or disinfecting device, so that during the execution of the calibration neither the user nor a service technician comes in direct contact with the possibly aggressive cleaning agent.
  • the cleaning and / or disinfecting device is also very robust, so to a small extent error-prone ig. It can easily be calibrated by non-technically trained personnel. It is also possible that the cal ibri réelle the flow rate or flow rate of the dosing unit is fully automatic device side.
  • the cleaning and / or disinfecting device is developed in particular by the fact that a control and / or regulating device is provided which is set up to
  • the cleaning and / or disinfecting device is further developed in that the metering unit has a, in particular self-priming, metering pump, in particular dere comprises a peristaltic pump, and / or an impeller, wherein the control and / or regulating device is adapted to detect a speed of the metering pump and / or a speed of wellgelradiquesers as operating parameters of the metering unit during the promotion of detergent in the calibration calibrate the dosing unit by assigning to the speed of rotation detected during the delivery of the cleaning agent a delivery rate of the dosing unit calculated on the basis of the size of the calibration volume and the time required to fill the calibration volume.
  • the control and / or regulating device is adapted to detect a speed of the metering pump and / or a speed of wellgelradiques as operating parameters of the metering unit during the promotion of detergent in the calibration calibrate the dosing unit by assigning to the speed of rotation detected during the delivery of the cleaning agent a delivery rate of the dosing unit calculated on
  • the dosing unit comprises a, in particular self-priming, metering pump, in particular a peristaltic pump, and / or an impeller, wherein the control and / or regulating device is adapted to, during the promotion of detergent in the calibration volume a number of revolutions and / or clocking the metering pump and / or detecting a number of revolutions and / or strokes of the impeller counter as operating parameters of the metering unit, and calibrating the metering unit by making the cumulative detected during the promotion of the detergent number of revolutions and / or cycles a volume of the calibration volume is assigned as a delivery volume.
  • the control and / or regulating device is adapted to, during the promotion of detergent in the calibration volume a number of revolutions and / or clocking the metering pump and / or detecting a number of revolutions and / or strokes of the impeller counter as operating parameters of the metering unit, and calibrating the metering unit by making the cumulative detected during the promotion of the detergent number of revolution
  • the dosage of the cleaning agent for example, by a metering pump is operated at a certain speed for a certain time. It is also possible to adjust the amount of detergent to be metered over a number of revolutions or cycles of a metering pump, for example a peristaltic pump. If the metering pump is not a rotating pump, for example a piston or diaphragm pump, the delivery rate is controlled. For example, a pumping frequency or a number of piston strokes or pump cycles. Alternatively or additionally, it is possible to feed back the metering pump, to measure its delivery rate with the aid of an impeller meter and to control the metering pump on the basis of this value.
  • any other form of mass flow meter (English, flowcontrollers) can be used. Regardless of whether the metered amount of detergent is controlled fed back directly via an operating parameter of the metering pump, such as their speed, or via an impeller, it is according to the above embodiment in a simple and economical way I mögl, either the pump itself or the mass flow meter used to calibrate.
  • the cleaning and / or disinfecting device is further developed in that a first filling level sensor and a second filling level sensor are provided on the measuring column, wherein the first filling level sensor is arranged to detect a first water level in the measuring column, which corresponds to a complete emptying of the calibrating volume, and wherein the second level sensor is arranged to detect a second level in the measuring column corresponding to a full filling of the calibration volume, the control and regulating device being further adapted to
  • the measuring column in particular the calibration volume present within the measuring column, preferably extends between a geodetically lower location at which the first fill level sensor is located and a geodetically higher location at which the second fill level sensor is located.
  • the measuring column comprises a substantially cylindrical calibration volume which extends in its longitudinal axial direction in the direction of gravity.
  • Said embodiment allows a simple and precise measurement of the level in the cal ibriervolumen with little design effort.
  • a meniscus ie. an interface between a liquid level and the overlying air column can be detected by the first or second level sensor with little effort. So it is possible with structurally simple means to determine a filling state of the measuring column.
  • control and / or regulating device is further adapted to lower the filling state of the measuring column below the level of the first water level before cleaning agent is conveyed from the reservoir into the calibration volume.
  • this measure improves the accuracy of the calibration.
  • the level of the measuring column is lowered below the level of the first water level, it is ensured that already on reaching the first water level, the calibration volume of the dosing unit is continuously filled with detergent.
  • the metering pump thus conveys the cleaning agent in only one direction, namely into the calibration volume.
  • a calibration error which is analogously known as "dead gear" in mechanical systems, is advantageously avoided.
  • the object according to the invention is further achieved by a method for operating a cleaning and / or disinfecting device, according to one or more of the said embodiments, wherein the method is developed by calibrating the cleaning and / or disinfecting device with the calibrating device.
  • the calibration of the dosing unit is carried out in particular fully automatically.
  • a technician deployment is dispensable for the operator. This helps to reduce operating costs and reduce machine downtime.
  • a calibration that is carried out regularly also eliminates the technical problem of the drift of the pumping power that often occurs in the course of time with metering pumps.
  • the method comprises the following steps:
  • Calibrating the dosing unit by assigning to the detected value of the operating parameter a delivery rate calculated from the time required for filling the calibration volume and the size of the calibration volume or a size of the calibration volume as the delivery volume.
  • the dosing unit comprises a, in particular self-priming, metering pump, in particular a peristaltic pump, and / or an impeller, wherein during the promotion of detergent in the calibration volume, a speed of the Metering pump and / or a speed of the impeller counter is detected as operating parameters of the metering unit, and the metering unit is calibrated by the speed detected during the promotion of the cleaning agent is assigned a calculated on the basis of the size of the calibration volume and the time required to fill the calibration volume calculated capacity of the metering unit ,
  • the metering unit comprises a, in particular self-priming, metering pump, in particular a peristaltic pump, and / or an impeller, wherein during the conveyance of detergent into the calibration volume a number of revolutions and / or cycles of the metering pump and / or or a number of revolutions and / or strokes of the
  • the method is further developed in that a first fill level sensor and a second fill level sensor are provided on the measurement column, wherein the first fill level sensor is set up to detect a first water level in the measurement column which corresponds to a complete emptying of the calibration volume the second filling level sensor is set up to detect a second level in the measuring column which corresponds to a complete filling of the calibrating volume, wherein
  • a first value of the operating parameter of the dosing unit is detected if a filling state in the measuring column corresponding to or exceeding the first water level is detected at the first filling level sensor
  • a second value of the operating parameter of the dosing unit is detected if a filling state in the measuring column is detected at the second filling level sensor which corresponds to the second level equals or exceeds
  • a value of the operating parameter which characterizes the flow rate required to completely fill the calibration volume, is determined from the difference between the first and the second value.
  • the method is further developed in that the filling state of the measuring column is lowered below the level of the first water level before cleaning agent is conveyed from the reservoir into the calibration volume.
  • the cleaning and / or calibration device is characterized in particular by the fact that the measuring column is essentially cylindrical, wherein the calibration volume within the measuring column extends in a longitudinal axial direction of the measuring column.
  • This longitudinal axial direction is oriented, for example, parallel to the direction of gravity.
  • the measuring column is realized by a wound hose. This extends, in particular, from a geodetically lower point to a geodetically higher point, wherein a fill level sensor is provided at each of these two end points of the calibrating volume.
  • the calibration device is provided in particular for use in a cleaning and / or disinfecting device.
  • Fig. 1 a schematic cleaning and / or disinfecting device
  • Fig. 2 is a simplified flowchart of a method for operating a cleaning and / or disinfecting device.
  • Fig. 1 schematically shows a cleaning and / or disinfecting device with a calibration device 2 for cleaning and / or disinfecting medical devices.
  • the cleaning and / or disinfecting device further comprises a cleaning space, not shown, for receiving the medical devices during the rinsing or cleaning process.
  • the medical devices are, for example, surgical instruments, in particular endoscopes.
  • the cleaning and / or disinfecting device comprises a metering unit 4.
  • a self-priming metering pump such as a peristaltic pump.
  • a metering pump is also, for example, a rotating pump, a piston pump or a diaphragm pump into consideration.
  • the metering unit 4 is fluidly coupled by means of a supply line 6 with a reservoir 8.
  • the metering unit 4 is connected directly to the reservoir 8 by means of a pipeline.
  • the reservoir 8 is provided for receiving a liquid detergent 1 0.
  • the cleaning agent is a cleaning chemical which is suitable for cleaning and / or disinfecting surgical instruments, in particular endoscopes, ie.
  • the metering unit 4 is further fluidly coupled via a conveyor line 1 2 with a measuring column 14. Also for this purpose, for example, a pipeline is suitable, which connects the metering unit 4 directly to the measuring column 14.
  • the metering unit 4 is not intended exclusively for conveying cleaning agent into the measuring column 14. Thus, this can be used to operate the cleaning and / or disinfecting device with at least one further, in FIG. 1, not shown, conveyor line connected. With the aid of a delivery line 24, it is possible to supply detergent 1 0 to the cleaning and / or disinfection space, not shown, of the cleaning and / or disinfecting device, so that a cleaning and / or rinsing liquid can be produced.
  • the measuring column 14 comprises a calibration volume 1 6, which extends between a first filling level sensor 18 and a second filling level sensor 20 in the interior of the measuring column 14.
  • the size of the calibration volume 1 6 is read using a scale 22 shown schematically and, for example, by vertical Displacement of the first and / or second level sensor 1 8, 20 changeable or adjustable.
  • the size of the Kalibriervolunnens 1 6 is known in particular.
  • the measuring column 14 is, for example, a cylindrical column which is circular, in particular circular in cross-section and which is made, for example, from glass or transparent plastic.
  • a wound tube is provided as the measuring column, which extends between a geodetically low point and a geodetically higher point. At the lower point is the first level sensor 1 8, while at the higher of the two points of the second level sensor 20 is located.
  • the measuring column 14 is further connected to the delivery line 24, through which the detergent 1 0 is conveyed to the cleaning and / or disinfection room.
  • the dosing unit 4 which is in particular a peristaltic pump, is calibrated with respect to its delivery rate by detecting, starting from the known value of the calibration volume 16, the time required for the peristaltic pump to completely fill it with detergent 10. If the metering unit 4 is provided with a mass flow meter, such as an impeller, the pump capacity of the pump is measured and calibrated by means of the mass flow meter by calibrating the impeller counter, for example, in terms of its speed. The delivery rate is feedback controlled via the mass flow meter.
  • a mass flow meter such as an impeller
  • the calibration is carried out, for example, starting from the known value of the calibration volume on the basis of the detected time required by the dosing unit 4 to convey detergent 1 0 from the reservoir 8 into the measuring column 14 and completely fill the calibration volume.
  • the calculated delivery rate will be holten operating parameters, such as the speed of the pump assigned.
  • a number of revolutions or cycles of the metering pump of the metering unit 4 is or are detected, which are necessary in order to completely fill the calibration volume.
  • a delivery rate per revolution or per cycle of the metering unit 4 or of the metering pump is determined and the metering unit 4 calibrated based on this value.
  • a rotational speed of the dosing pump over a certain delivery period a number of revolutions, which are required to fill the cal ibriervolumen or a number of clocks, which are necessary to completely fill the calibration volume, Understood .
  • a control and / or regulating device 26 For calibration of the dosing unit 4, this is connected to a control and / or regulating device 26 via a control and data line 28.
  • the first fill level sensor 18 and the second fill level sensor 20 are likewise connected to the control and / or regulating device 26 via a data line 30.
  • the control and / or regulating device 26 is adapted to control the dosing unit 4 so that this cleaning agent 1 0 promotes via the supply line 6 from the reservoir 8 and the delivery line 1 2 in the measuring column 14.
  • the tax and / or re- gelillon 26 adapted to read out via the control and data line 28 at least one operating parameter, such as the speed of a peristaltic pump of the metering unit 4 or the speed of a coperadiques.
  • the detection of a first water level using the first level sensor 1 8 takes place, for example, by detecting a meniscus between an interface liquid / gaseous.
  • the boundary surface between the liquid cleaning agent 10 is detected in the calibration volume 16 and an overlying air column.
  • the first and second level sensor 1 8, 20 are for example optical sensors, which detect the meniscus of the interface by optical means, for example by means of an absorption or reflection measurement.
  • a detectable from the first level sensor 18 first level corresponds to a filling state of the measuring column 14, in which the calibration volume 1 6 is completely emptied.
  • a second level, which is detected by the second level sensor 20, corresponds to a filling state of the measuring column 14, in which the calibration volume 1 6 is completely filled.
  • the calibration of the dosing unit 4 is explained for the case in which a speed of a dosing pump or an impeller counter is detected for the time required for filling the calibration volume 1 6. It is also possible to have a number of Revolutions or cycles required by a dosing pump to fill the calibration volume 1 6 completely, instead of detecting.
  • step S1 After the start (step S1) of the calibration of the dosing unit 4, an initial query of the first level sensor 1 8 takes place. Thus, it is determined whether the level of the cleaning agent 10 in the measuring column 14 is above or below the first liquid level (step S2). If the liquid level in the measuring column 14 is above the first level, which is measured by the first level sensor 1 8, this means that the calibration volume 1 6 is not completely emptied. In order to create initial conditions defined for the calibration of the dosing unit 4, an exhausting process is initially initiated in which the calibration volume 1 6 is completely emptied.
  • the metering unit 4 which is, for example, a metering pump, is controlled by the control and / or regulating unit 26 in such a way that cleaning agent 10 is conveyed back into the storage container 8 via the supply line 6 (step S3 ) or, alternatively, cleaning agent 10 is disposed of via a discharge line (not shown).
  • the first filling level sensor 18 is continuously inquired (step S2). If it is determined that the liquid level inside the measuring column 14 has dropped below the first level, the pumping down process is stopped (step S4).
  • Step S4 is shown in the simplified flowchart of FIG. 2 with dashed line ie, since this step can be omitted in the event that the liquid level is already initially below the first water level. In such a starting Situation, the method does not follow the path via the step S3, but passes directly from step S2 to step S5.
  • step S5 cleaning agent 10 is conveyed with the dosing unit 4, starting from the storage container 8 into the calibration volume 16.
  • the first level sensor 18 is permanently polled, so that it can be determined when the level within the measuring column 14 exceeds the first level (step S6). If this is the case, then the time at which the first water level is exceeded, is detected. For example, the value for this first time is stored in a memory of the control and / or regulating device 26, or a timer is started (step S7). Furthermore, during this subsequent period of time, during which the calibration volume 1 6 is filled, a detection of at least one operating parameter of the dosing unit 4. For example, the speed of a peristaltic pump or an impeller counter is detected during this time (step S8).
  • step S9 a permanent query of the second level sensor 20, which indicates whether the second level within the measuring column 14 is reached. If the cleaning agent 10 reaches this second water level, then the calibration volume 1 6 is completely filled. Now the time is detected at which the level reaches or exceeds this second level. Again, the value for this second time can be stored in a memory of the control and / or regulating device 26. If a timer has been started for the first time, it will be stopped (step S1 0).
  • step S 11 the dosing unit 4 is stopped (step S 11) and a delivery rate of the dosing unit 4 or a measured delivery rate is determined on the basis of the known volume of the calibration volume. mens 1 6 and the time difference between activation of the first level sensor 1 8 and the second level sensor 20 is calculated (step S1 2).
  • the subsequent calibration of the dosing unit 4 takes place, in particular, by allocating the value of the calculated delivery rate of the dosing unit 4 to the value of the at least one operating parameter, for example the rotational speed, detected during the conveyance of the cleaning agent 1 0 (step S1 3).
  • the calibration procedure ends in step S14.
  • the delivery rate of a metering pump is calibrated, in which the delivery rate is determined for different speeds.
  • the method for calibrating a dosing unit 4 in a cleaning and / or disinfecting device is preferably fully automatic.
  • a manual calibration of the dosing unit 4 is therefore unnecessary.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Textile Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • External Artificial Organs (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Endoscopes (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measuring Volume Flow (AREA)

Abstract

L'invention concerne un dispositif de nettoyage et/ou de désinfection ainsi qu'un procédé pour le faire fonctionner. Une unité de dosage (4) du dispositif de nettoyage et/ou de désinfection est en liaison fluidique avec un réservoir (8) dans lequel se trouve un détergent liquide (10). Le détergent (10) est transporté hors du réservoir (8). Le dispositif de nettoyage et/ou de désinfection comprend un dispositif de calibrage (2) qui est en liaison fluidique avec une unité de dosage (4). Le dispositif de calibrage (2) comprend une colonne de mesure (14). La colonne de mesure (14) fournit un volume de calibrage (16) qui sert à calibrer le débit de l'unité de dosage (4).
EP15730120.1A 2014-06-23 2015-06-15 Dispositif de nettoyage et/ou de désinfection Withdrawn EP3157579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211961.8A DE102014211961A1 (de) 2014-06-23 2014-06-23 Reinigungs- und/oder Desinfiziereinrichtung
PCT/EP2015/063314 WO2015197404A1 (fr) 2014-06-23 2015-06-15 Dispositif de nettoyage et/ou de désinfection

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EP3157579A1 true EP3157579A1 (fr) 2017-04-26

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EP15730120.1A Withdrawn EP3157579A1 (fr) 2014-06-23 2015-06-15 Dispositif de nettoyage et/ou de désinfection

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US (1) US20170100025A1 (fr)
EP (1) EP3157579A1 (fr)
JP (1) JP2017526400A (fr)
CN (1) CN106455902A (fr)
DE (1) DE102014211961A1 (fr)
WO (1) WO2015197404A1 (fr)

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DE102017114665A1 (de) * 2017-06-30 2019-01-03 Beatrice Saier Dosiereinrichtung u.a.
EP3479912A1 (fr) * 2017-11-07 2019-05-08 Satisloh AG Station de nettoyage pour des éléments optiques
US10876881B2 (en) * 2018-02-28 2020-12-29 Halliburton Energy Services, Inc. Apparatus and method for characterizing performance of pumps and verifying accurate operation of flowmeters
FI3715632T3 (fi) * 2019-03-26 2023-06-02 Grifols Sa Menetelmä peristalttisen pumpun kalibroimiseksi, menetelmä nestemäärän annostelemiseksi peristalttisella pumpulla ja laite steriilien valmisteiden valmistamiseksi, joka voi suorittaa mainitut menetelmät
JP7393143B2 (ja) 2019-07-03 2023-12-06 東京エレクトロン株式会社 液処理装置および流量検出部の校正方法
CN110182952A (zh) * 2019-07-03 2019-08-30 广州博涛生物技术有限公司 一种用于市政污水厂aao工艺的复合碳源投加量自动反馈及调节装置
CN110840382A (zh) * 2019-12-18 2020-02-28 上海澳华光电内窥镜有限公司 内窥镜流体输送控制装置及流体输送系统
DE102020204687A1 (de) 2020-04-14 2021-10-14 Bruker Biospin Gmbh Automatische Verifizierung und Re-Kalibrierung eines Pumpenfördervolumens
CA3219380A1 (fr) * 2021-06-09 2022-12-15 Saban Ventures Pty Limited Systemes et procedes pour l'identification, l'evaluation et/ou le retraitement en circuit ferme de lumieres
EP4368952A1 (fr) * 2022-11-11 2024-05-15 Eppendorf SE Élément d'étalonnage, dispositif de commande pour un élément d'étalonnage, système d'étalonnage, système de transport et procédé de fonctionnement d'un élément d'étalonnage
EP4372331A1 (fr) * 2022-11-18 2024-05-22 SICK Engineering GmbH Ensemble de test et/ou d'étalonnage pour débitmètres et procédé de test et/ou d'étalonnage de débitmètres
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JP2017526400A (ja) 2017-09-14
US20170100025A1 (en) 2017-04-13
WO2015197404A1 (fr) 2015-12-30
CN106455902A (zh) 2017-02-22
DE102014211961A1 (de) 2015-12-24

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