JP2010035936A - Endoscope washing and disinfecting apparatus - Google Patents

Abstract

[PROBLEMS] To identify an endoscope model with a simple configuration and at low cost, and to perform leakage detection processing according to the internal volume of the endoscope, regardless of the endoscope model. Improve the accuracy of water leak detection processing.
In an endoscope cleaning / disinfecting apparatus 1, a calculation unit 74 calculates the amount of water in a cleaning / disinfecting tank 4 based on a flow rate measured by a flow rate detection unit 72 and a water supply time measured by a water supply time measurement unit 70a. The volume of the endoscope is calculated based on the calculated amount of water and the volume of the cleaning / disinfecting tank 4 when the endoscope is not accommodated. The scope recognizing unit 75 identifies the model of the endoscope 100 based on the volume of the endoscope 100 calculated by the calculating unit 74 and the recognition information in the memory 73, and the control unit 70 uses the pressure used for water leakage detection. The change value is set to a pressure change value corresponding to the identified endoscope model, and the water leakage detection unit 77 is controlled to detect water leakage.
[Selection] Figure 1

Description

  The present invention relates to an endoscope cleaning / disinfecting apparatus that houses an endoscope in a cleaning / disinfecting tank and performs water leakage detection processing, cleaning processing, and disinfection processing of the endoscope.

  Endoscopes used for the purpose of inspection and treatment in body cavities include not only the outer surface of the insertion section to be inserted into the body cavity, but also each of the air supply / water supply conduit, suction conduit, treatment instrument insertion conduit, etc. Dirt adheres to the endoscope duct. Therefore, it is necessary to clean and disinfect the endoscope pipes not only on the outer surface but also in each endoscope pipe.

  Usually, an endoscope is cleaned and disinfected by an endoscope cleaning / disinfecting apparatus. When performing endoscope cleaning and disinfection using this endoscope cleaning / disinfecting apparatus, an operator houses and sets the endoscope in a cleaning / disinfecting tank provided in the endoscope cleaning / disinfecting apparatus body. To do.

  Next, the operator cleans and disinfects the endoscope channel of the endoscope, and supplies fluid such as liquid and gas into the endoscope channel provided in the cleaning / disinfecting tank. Various supply nozzles are connected to the caps of the endoscope ducts opened on the outer surface of the endoscope through connection tubes or the like.

  Furthermore, the operator confirms whether or not an air leaking hole or the like is formed in the endoscope, that is, in order to perform a water leakage detection process to determine whether or not a water leakage location is formed. And a leak detection nozzle that feeds gas out of the various supply nozzles is connected via a connection tube or the like.

  Next, the operator closes the lid of the cleaning / disinfecting tank and then turns on the processing start switch. Then, the endoscope cleaning / disinfecting apparatus detects a water leak by feeding a predetermined amount of gas into the endoscope through the base for water leakage detection and the water leakage detection nozzle, and then measuring the pressure with the pressure sensor. Process.

  Thereafter, if a hole is not found as a result of the water leakage detection process, the endoscope cleaning / disinfecting apparatus starts the cleaning process, and then starts the disinfection process.

  Thus, as a conventional endoscope cleaning / disinfecting apparatus that performs endoscope water leakage detection processing, cleaning processing, and disinfection processing, for example, there is an endoscope cleaning / disinfecting apparatus disclosed in Patent Document 1.

  Patent Document 1 compares a pressure change value per unit time obtained by a pressure sensor with a pressure change value set in advance after a gas is supplied into the endoscope by an air pump and pressurized. A technique related to an endoscope cleaning / disinfecting device that detects leakage of an endoscope by performing the disclosure is disclosed.

Moreover, the said patent document 1 is the said fluid supplied by calculating | requiring the change of the volume of the fluid in a washing | cleaning disinfection tank, when supplying fluid, such as disinfection liquid, in each endoscope channel of an endoscope. And calculating the flow rate of the fluid supplied into each of the endoscope conduits based on the determined fluid amount and a predetermined time, and calculating the calculated flow rate and a preset flow rate value. A technique related to an endoscope cleaning / disinfecting device that detects clogging in the endoscope channel by comparison is also disclosed.
JP 2004-202248 A

  Usually, the water leakage detection process of the endoscope cleaning / disinfecting apparatus detects a difference in pressure change within a unit time depending on the presence or absence of leakage. On the other hand, since the internal volume of the endoscope varies greatly depending on the endoscope model, such as 100 ml to 1500 ml, for example, the pressure change varies depending on the endoscope model even in the same size hole.

  For this reason, in order to accurately detect water leakage for all types of endoscopes, it is necessary to identify the endoscope model and to grasp the internal volume in advance.

  Therefore, as a method for identifying the endoscope model, for example, the endoscope is provided with RFID (Radio Frequency Identification) that stores endoscope identification information, etc. There is an endoscope ID identification method in which a reading sensor that reads endoscope identification information stored in an RFID of an endoscope is provided to identify an endoscope model.

  As another identification method, an identification method in which, after pressurizing the inside of the endoscope with a predetermined pressure, a pressure change per unit time is detected, and an endoscope model is identified from the detected pressure change. There is also.

  However, in the endoscope ID identification function, since it is necessary to provide an RFID, a reading sensor, and the like, there is a problem that the cost of the entire endoscope cleaning / disinfecting apparatus becomes expensive.

  Further, in the identification method for identifying using the pressure change, the endoscope model is identified using only the pressure change. Therefore, when there is water leakage in the endoscope, for example, an internal volume with a small internal volume is used. There is a problem that the endoscope may be erroneously detected as an endoscope having a large internal volume.

  For this reason, there is a demand for a configuration in which the endoscope model is identified with a simple configuration and water leakage detection processing is performed in accordance with the identified internal volume of the endoscope.

  However, the endoscope cleaning and disinfecting apparatus described in Patent Document 1 identifies the endoscope model and discloses any disclosure about the configuration for performing the water leakage detection process according to the identified internal volume of the endoscope. It has not been done.

  Further, the endoscope cleaning and disinfecting apparatus described in Patent Document 1 compares a pressure change value per unit time simply detected with a preset pressure change value regardless of the type of endoscope. Since the endoscope leakage detection process is performed based on the comparison result, there is a disadvantage that the accuracy of the leakage detection process cannot be improved.

  Therefore, the present invention has been made in view of the above problems, and can identify the endoscope model with a simple configuration and at a low cost, and can detect water leakage according to the internal volume of the endoscope. An object of the present invention is to provide an endoscope cleaning / disinfecting apparatus capable of improving the accuracy of water leakage detection processing regardless of the endoscope model.

  An endoscope cleaning / disinfecting apparatus according to the present invention includes a cleaning / disinfecting tank in which an endoscope is accommodated and disposed, a water supply line connected to the cleaning / disinfecting tank and supplying water to the cleaning / disinfecting tank, and the water supply pipe Flow rate detection means for measuring the flow rate of water supplied to the road, water level detection means for detecting the water level of water supplied to the cleaning / disinfecting tank, and water level detection after water supply to the cleaning / disinfecting tank is started. Based on the water supply time measuring means for measuring the water supply time until the preset water level is detected by the means, the flow rate measured by the flow rate detecting means, and the water supply time measured by the water supply time measuring means Calculate the amount of water supplied into the disinfection tank, and based on the calculated amount of water in the cleaning disinfection tank and the volume of the cleaning disinfection tank when the endoscope is not contained, Calculator that calculates the volume of the endoscope And an endoscope identifying means for identifying a model of the endoscope placed and accommodated in the cleaning / disinfecting tank based on the volume of the endoscope calculated by the computing means. .

  In addition, an endoscope cleaning / disinfecting apparatus according to another invention includes a cleaning / disinfecting tank in which an endoscope is accommodated and disposed, a water supply line connected to the cleaning / disinfecting tank and supplying water to the cleaning / disinfecting tank, Flow rate detecting means for measuring the flow rate of water supplied to the water supply pipe, water level detecting means for detecting the water level of water supplied to the cleaning / disinfecting tank, and starting water supply to the cleaning / disinfecting tank, Based on the water supply time measuring means for measuring the water supply time until the water level preset by the water level detecting means is detected, the flow rate measured by the flow rate detecting means, and the water supply time measured by the water supply time measuring means The amount of water supplied into the cleaning / disinfecting tank is calculated, and based on the calculated amount of water in the cleaning / disinfecting tank and the volume of the cleaning / disinfecting tank when the endoscope is not accommodated. To calculate the volume of the endoscope Based on the volume of the endoscope calculated by the calculating means, an endoscope identifying means for identifying a model of the endoscope housed in the cleaning / disinfecting tank, and the cleaning / disinfecting An air supply means for supplying and pressurizing the inside of the endoscope accommodated in a tank; and a unit inside the endoscope, disposed between the air supply means and the endoscope. A pressure change detecting means for detecting a pressure change per time; the pressure change detected by the pressure change detecting means; and a pressure change value corresponding to the endoscope model identified by the endoscope identifying means. A water leakage detection control means for performing a comparison and detecting water leakage inside the endoscope based on the comparison result.

  According to the endoscope cleaning / disinfecting apparatus of the present invention, the endoscope model can be identified with a simple configuration and at a low cost. Moreover, if it is used for the leakage detection process of an endoscope, the accuracy of the leakage detection process can be improved by performing the leakage detection process according to the internal volume of the endoscope, regardless of the endoscope model. It has the following advantages.

Embodiments of the present invention will be described below with reference to the drawings.
1 to 5 show an embodiment of an endoscope cleaning / disinfecting apparatus according to the present invention. FIG. 1 shows an endoscope cleaning / disinfecting state in which a top cover is opened and an endoscope can be stored in a cleaning / disinfecting tank. FIG. 2 is a block diagram showing the internal configuration of the endoscope cleaning / disinfecting apparatus of FIG. 1, and FIG. 3 is a block diagram for explaining the configuration of the main part of the endoscope cleaning / disinfecting apparatus of FIG. 4 is a flowchart showing an example of the control operation of the control unit of the present embodiment.

  As shown in FIG. 1, an endoscope cleaning / disinfecting apparatus 1 according to the present embodiment is an apparatus for cleaning and disinfecting an endoscope 100, and is illustrated on the apparatus main body 2 and an upper portion of the apparatus main body 2, for example. The main part is composed of a top cover 3 that is a lid that is connected to be openable and closable via a hinge.

  For example, a latch 8 for fixing the top cover 3 to the apparatus main body 2 with the top cover 3 closed is disposed at a position facing the apparatus main body 2 of the top cover 3.

  A cleaning agent / alcohol tray 11 is disposed on the front side of the apparatus main body 2 shown in FIG.

  In this cleaning agent / alcohol tray 11, a cleaning agent tank 11a in which a cleaning agent, which is a liquid used for cleaning the endoscope 100, is stored, and various endoscope channels of the endoscope 100 after cleaning and disinfection. The alcohol tank 11b in which the alcohol which is the liquid used when drying is stored is stored. Further, since the cleaning agent / alcohol tray 11 is disposed so as to be drawable, the tanks 11a and 11b can be replenished with liquid.

  The cleaning agent / alcohol tray 11 is provided with two windows 11m, and the two windows 11m allow the remaining amount of the cleaning agent and alcohol injected into the tanks 11a and 11b to work. It can be confirmed by the person. This cleaning agent is a concentrated cleaning agent diluted to a predetermined concentration with tap water sterilized by a water supply filter.

  In addition, a cassette tray 12 is disposed on the front side of the apparatus main body 2 such that it can be pulled out forward of the apparatus main body 2. The cassette tray 12 stores a chemical bottle 12a into which a disinfecting liquid such as peracetic acid, which is a liquid used when disinfecting the endoscope 100, is injected. Further, since the cassette tray 12 is disposed so as to be freely drawn out, the chemical solution bottle 12a can be set or removed.

  On the upper part of the cassette tray 12 of the apparatus main body 2, a sub-operation panel 13 having a display unit for displaying a water leakage detection result and a cleaning / disinfecting time, an instruction button for heating the disinfecting liquid, and the like is provided. It is arranged.

  Further, a pedal switch 14 for opening the top cover 3 closed on the upper part of the apparatus main body 2 to the upper side of the apparatus main body 2 by an operator's stepping operation is disposed at the lower part of the front surface of the apparatus main body 2 in the drawing. Yes.

  In addition, a main operation panel 25 including various switches for performing an instruction operation of the apparatus main body 2 is disposed at both ends of the upper surface of the apparatus main body 2, for example, on the front side.

  Normally, the endoscope cleaning / disinfecting apparatus 1 operates according to a preset water leakage detection program when performing water leakage detection processing of the endoscope 100 by operating the main operation panel 25. As will be described later, this water leakage detection program can set a pressure change value or the like according to the internal volume of the endoscope 100, which is necessary for classifying the model of the endoscope 100. This is performed by various buttons on the sub operation panel 13.

  Further, when the endoscope 100 is cleaned / disinfected by operating the main operation panel 25, the endoscope cleaning / disinfecting apparatus 1 operates according to a preset cleaning / disinfecting program. This cleaning / disinfecting program can arbitrarily set a cleaning time, a disinfection time, and the like by an operator, and is performed by various buttons on the sub operation panel 13 when the setting is performed.

  A water supply hose connection port 31 for supplying tap water to the apparatus main body 2 is provided on the upper surface of the apparatus main body 2 on the side where the top cover 3 is provided. A hose connected to a water tap is connected to the water supply hose connection port 31.

  Further, a cleaning / disinfecting tank 4 in which the endoscope 100 can be stored is provided at a substantially central portion of the upper surface of the apparatus main body 2. The cleaning / disinfecting tank 4 includes a tank main body 50 and a terrace portion 51 provided continuously around the outer peripheral edge of the endoscope storage port of the tank main body 50.

  The tank body 50 can be stored when the endoscope 100 is cleaned and disinfected. The bottom surface 50t of the tank body 50 has cleaning liquid, water, alcohol, A drain outlet 55 for draining the disinfectant liquid and the like from the tank body 50 is provided.

  A circulation port 56 is provided at an arbitrary position on the circumferential side surface 50 s in the tank body 50. The circulation port 56 supplies various cleaning pipes, water, disinfecting liquid, and the like supplied to the tank body 50 from the tank body 50 to the inside of the endoscope 100 through means described later. Or for supplying the liquid again to the tank body 50 from a water supply circulation nozzle 24 described later via a filter or the like.

The circulation port 56 may be configured by providing a filter for filtering cleaning liquid, water, disinfecting liquid, and the like.
The circulation port 56 may be provided on the bottom surface 50 t of the tank body 50. If the circulation port 56 is provided on the bottom surface 50t of the tank main body 50, the cleaning liquid, water, disinfecting liquid, etc. supplied to the tank main body 50 can be quickly discharged from the tank main body 50, rather than on the side surface 50s. Can do. Further, it is possible to speed up the supply of cleaning liquid, water, disinfecting liquid, and the like to various endoscope ducts of the endoscope 100 or the tank body 50 again. Further, when the operator replaces the filter or the like provided in the circulation port 56, it is advantageous that the operator can easily approach if it is provided on the bottom surface.

  In the cleaning / disinfecting tank 4, a plurality of ultrasonic vibrators and heaters (not shown) are disposed on the bottom surface side of the tank body 50. In addition, a cleaning case 6 having a pipe disinfection port 7 is disposed at a substantially central portion of the bottom surface 50t of the tank body 50. This ultrasonic vibrator applies vibration to cleaning water or tap water stored in the cleaning / disinfecting tank 4 to ultrasonically clean or rinse the outer surface of the endoscope 100. The heater is for heating the disinfecting liquid stored in the cleaning / disinfecting tank 4 to a predetermined temperature.

  The cleaning case 6 accommodates the buttons such as each scope switch of the endoscope 100 and the removable parts attached to the endoscope 100 for cleaning and disinfection together with the endoscope 100. It is.

  The pipe disinfection port 7 supplies a disinfectant solution to a pipe line inside the apparatus via a cleaning / disinfection hose, and disinfects this water supply pipe line.

  Further, a water level sensor 32 with a cover is provided at an arbitrary position on the side surface 50s of the tank body 50 as a water level detection means for detecting the water level of the cleaning liquid, tap water, alcohol, disinfecting liquid, etc. supplied to the tank body 50. ing.

  On the surface of the terrace portion 51 other than the terrace surface 51t, that is, the surface parallel to the bottom surface 50t of the tank body 50, the cleaning agent nozzle 22 and the disinfecting liquid nozzle 23 are disposed. The cleaning agent nozzle 22 supplies the cleaning agent diluted to a predetermined concentration with tap water by the pump 40 from the cleaning agent tank 11a to the tank body 50. The disinfecting liquid nozzle 23 supplies the disinfecting liquid to the tank body 50 from the chemical liquid tank 58 by the pump 65.

Furthermore, a water supply circulation nozzle 24 is disposed on a surface parallel to the bottom surface 50 t of the tank body 50 of the terrace portion 51. This water supply circulation nozzle 24 supplies water from a water tap connected to the water supply hose connection port 31 to the tank body 50, or the cleaning liquid, water, disinfectant liquid, etc. discharged from the circulation port 56 of the tank body 50. The tank body 50 is supplied again.
The cleaning agent nozzle 22, the disinfecting liquid nozzle 23, and the water supply circulation nozzle 24 may be disposed on the terrace surface 51t.

  Further, on the surface 51f of the terrace surface 51t on the side facing the worker proximity position 4k, various endoscope conduits provided in the endoscope 100 are provided with cleaning liquid, water, alcohol. , Four ports 33a to 33d for supplying a disinfectant, air, and the like are provided. Further, two leak detection ports 35 for supplying leak detection air into the endoscope are also provided.

  The four ports include, for example, an air / water supply port 33a, a suction cylinder port 33b, a forceps port 33c, and a forceps raising / sub-water supply port 33d. It is not limited to these four ports 33a-33d, You may increase or decrease as needed.

  Next, the internal configuration of the endoscope cleaning / disinfecting apparatus 1 according to the present embodiment will be described with reference to FIG.

  As shown in FIG. 2, the endoscope cleaning / disinfecting apparatus 1 has a water supply hose connection port 31 connected to one end of a water supply hose 31 a, and the other end of the water supply hose 31 a connected to an external water tap 5. , Tap water is supplied.

  The water supply hose connection port 31 communicates with one end of the water supply pipe 9. The other end of the water supply pipe 9 is connected to the three-way electromagnetic valve 10. In the middle of the pipe, the water supply electromagnetic valve 15, the check valve 16 and the water supply filter 17 are arranged in order from the water supply hose connection port 31 side. It is intervened.

  The water supply filter 17 is a cartridge-type filtration filter so that it can be replaced periodically. Therefore, as described above, the tap water is filtered by passing through the water supply filter 17.

  The three-way solenoid valve 10 is connected to one end of the flowing liquid pipe line 18 and switches the communication with the water supply pipe line 9 or the flowing liquid pipe line 18 to the feed water circulation nozzle 24 by an internal valve. That is, the water supply circulation nozzle 24 communicates with either the water supply line 9 or the flowing liquid line 18 by the switching operation of the three-way solenoid valve 10.

  Further, between the three-way solenoid valve 10 and the feed water circulation nozzle 24, a feed water flow rate measuring sensor 77a constituting a flow rate detecting means is interposed. This water supply flow rate measuring sensor 77a measures the flow rate of water supplied to the cleaning / disinfecting tank 4 via the water supply line 9 and the water supply circulation nozzle 24, and outputs the measurement result to the flow rate detection unit 72 described later. A fluid pump 19 is interposed on the other end side of the fluid flow pipe 18.

  A circulation port 56 disposed in the cleaning / disinfecting tank 4 is connected to one end of the circulation line 20. The other end of the circulation pipe 20 is branched into two so as to communicate with the other end of the flowing liquid pipe 18 and one end of the channel pipe 21. The other end of the channel line 21 communicates with the four ports 33a to 33d.

  The channel line 21 includes a channel pump 26, a check valve 27a, a channel block 27, a port CH (channel) electromagnetic valve 28, and a port check valve 29 in this order from the one end side in the middle of the line. It is intervened.

  The channel line 21 between the channel block 27 and the port CH electromagnetic valve 28 is connected to the other end of the case line 30 to which the cleaning case 6 and one end are connected. A relief valve 36 is interposed in the channel line 21.

  The channel block 27 includes a conduit communicating with the channel conduit 21, and conduits communicating with an alcohol supply conduit 41 and an air conduit 44, which will be described later. The pipe connection body intersects the pipe 41 and the air pipe 44 so as to communicate with each other.

  Further, fluid (cleaning liquid, rinsing water, etc.) passing through the channel line 21 is supplied to the alcohol supply line 41 and the air line 44 by an electromagnetic valve 43 and a check valve 47 described later when the liquid is sent from the channel pump 26. Since the channel of the communicating channel block 27 is blocked, the liquid is fed only in the direction of the check valve 36 and the CH electromagnetic valve 28.

  Furthermore, when the alcohol from the alcohol tank 11b is fed by the alcohol supply pump 42 via the alcohol supply line 41, the check valve 27a and the check valve 47 are used to check the direction of the check valve 36 and the port CH electromagnetic valve 28. The liquid is delivered only to That is, the channel block 27 can direct the fluid flowing through the internal pipe line in a predetermined direction by the check valves 27 a and 47 and the electromagnetic valve 43.

  One end of a sterilization pipe 37 is connected to the pipe sterilization port 7, and the other end of the sterilization pipe 37 is connected between the water supply filter 17 and the check valve 16. 9 is connected. In addition, a check valve 38 is interposed in the sterilization pipeline 37 on the side of the pipeline sterilization port 7.

  The cleaning agent nozzle 22 is connected to one end of the cleaning agent supply conduit 39, and the other end of the cleaning agent supply conduit 39 is connected to the cleaning agent tank 11a. The cleaning agent supply pipe 39 is provided with a cleaning agent supply pump 40 in the middle thereof. A flow rate sensor 39 b is disposed in the cleaning agent supply pipe 39.

  The alcohol tank 11 b is connected to one end of the alcohol supply pipe 41. The alcohol supply pipe 41 is connected to the channel block 27 so as to communicate with the channel pipe 21. The alcohol supply pipe 41 is provided with an alcohol supply pump 42 on the alcohol tank 11b side and an electromagnetic valve 43 on the channel block 27 side. The alcohol supply pipe 41 is also provided with a flow rate sensor 41b, similar to the cleaning agent supply pipe 39.

  One end of an air pipe 44 for supplying air from the air pump 45 is connected to the channel block 27 so as to communicate with the channel pipe 21. The other end of the air pipe 44 is connected to the air pump 45. Between the air pump 45 and the channel block 27, there is a check valve 47 and an air filter 46 that is periodically replaced. It is intervened.

  The leak detection port 35 is provided with a leak detection air line from the leak detection pump 35A via a pressure sensor 77b. The pressure sensor 77 b detects a pressure change per unit time inside the endoscope 100 and outputs the detection result to the control unit 70.

  The drain port 55 of the cleaning / disinfecting tank 4 is provided with a switching valve 57 for discharging cleaning liquid or the like to the outside or collecting the disinfecting liquid in the chemical tank 58 by a valve switching operation. This switching valve 57 is connected to the other end of a drainage pipe 59 that is connected to and communicates with a drainage hose (not shown) connected to an external drainage port. A drainage pump 60 is connected to the drainage pipe 59. It is disguised. Further, the switching valve 57 is connected to one end of the chemical solution recovery pipeline 61, and the other end of the chemical solution recovery pipeline 61 is connected to the chemical solution tank 58.

  The chemical liquid tank 58 is also connected to one end of the chemical liquid supply pipe 62 so that the disinfecting liquid from the chemical liquid bottle 12a is supplied. The other end of the chemical solution supply pipe 62 is connected to the cassette tray 12.

  The chemical liquid tank 58 accommodates the one end portion of the chemical liquid pipe 64 provided with a suction filter 63 at one end. The other end of the chemical liquid pipe 64 is connected to the disinfecting liquid nozzle 23, and a chemical liquid pump 65 is interposed between the disinfecting liquid nozzle 23 and the chemical liquid tank 58.

In addition, on the back surface of the bottom surface 50t of the cleaning / disinfecting tank 4, as described above, the plurality of ultrasonic vibrators 52 for improving the cleaning property and the heater 53 for heating the disinfecting liquid to the optimum temperature are disposed. Yes.
Moreover, the water level sensor 32 with a cover provided on the side surface 50s of the tank body 50 constitutes a water level detecting means, and is electrically connected to a control unit 70 described later. The cover-equipped water level sensor 32 outputs the detection result of the water level of the cleaning liquid, tap water, disinfecting liquid, etc. supplied to the tank body 50 of the cleaning / disinfecting tank 4 to the control unit 70.

Inside the endoscope cleaning / disinfecting apparatus 1, a power source 71 to which power is supplied from an external AC outlet, a control unit 70 which is a control means electrically connected to the power source 71, and the water supply flow rate measurement A flow rate detector 72 electrically connected to the sensor 65;
A memory 73 is provided in which the volume when the endoscope 100 is not accommodated in the cleaning / disinfecting tank 4 when the endoscope 100 is full and a pressure change value corresponding to the model of the endoscope 100 are stored.

  The flow rate detection unit 72 detects the flow rate value detected by the feed water flow rate measurement sensor 65 and outputs the detection result to the control unit 70.

  The control unit 70 is supplied with various signals from the main operation panel 25, the sub operation panel 13, and the flow rate detection unit 72, and drives and controls each pump, each electromagnetic valve, and the like.

  In the present embodiment, the control unit 70 identifies the endoscope 100 by the scope recognition unit 75 to be described later when the leakage of water inside the endoscope 100 accommodated in the cleaning / disinfecting tank 4 is detected. The pressure change value used by the water leakage detection process is set so that the pressure change value according to the model of the endoscope 100 is set. Then, the control unit 70 compares the set pressure change value with the detected pressure change, and performs control to detect water leakage inside the endoscope 100.

  Next, the configuration of the main part of the endoscope cleaning / disinfecting apparatus 1 according to the present embodiment will be described with reference to FIG.

  The endoscope cleaning / disinfecting apparatus 1 according to the present embodiment can identify the model of the endoscope 100 with a simple configuration and at a low cost, and if used for water leakage detection of the endoscope 100, By performing the water leak detection process according to the internal volume of the endoscope 100, the accuracy of the water leak detection process can be improved regardless of the type of the endoscope 100.

  Specifically, as shown in FIG. 3, the control unit 70 constituting the water leakage detection control means of the endoscope cleaning / disinfecting apparatus 1 constitutes a water supply time measuring part 70a constituting the water supply time measuring means and a calculation means. And a scope recognition unit 75 that constitutes an endoscope identification unit.

  Further, the control unit 70 is connected to a water leakage detection unit 77 that constitutes a water leakage detection means for performing water leakage detection of the endoscope 100.

  The water leakage detection unit 77 includes a leakage detection air line, a leakage detection pump 35A, a pressure sensor 77b, a water leakage detection base (not shown) of the endoscope 100, and a water leakage shown in FIG. It is constituted by a leakage detection connecting tube 101 or the like for connecting to the detection port 35.

  The water leakage detection unit 77 pressurizes the inside of the endoscope 100 under the control of the control unit 70, detects a pressure change inside the endoscope 100 at this time, and sets the detected pressure change in advance. A comparison is made with the pressure change value, and water leakage inside the endoscope 100 is detected based on the comparison result.

  On the other hand, the water supply time measuring unit 70a of the control unit 70 measures the water supply time from the start of water supply to the cleaning / disinfecting tank 4 until the water level preset by the cover-equipped water level sensor 32 is detected.

  The computing unit 74 calculates the amount of water in the cleaning / disinfecting tank based on the flow rate measured by the flow rate detecting unit 72 and the water supply time measured by the water supply time measuring unit 70a, and the calculated cleaning / disinfecting tank 4 The volume (internal volume) of the endoscope 100 accommodated and disposed in the cleaning / disinfecting tank 4 is calculated based on the amount of water and the volume 4V when the cleaning / disinfecting tank 4 is full when the endoscope 100 is not accommodated. To do.

  In the memory 73, the identification information necessary for identifying the model according to the volume 4V when the endoscope 100 is not accommodated in the cleaning / disinfecting tank 4 and the internal volume of the endoscope 100. And a pressure change value per unit time corresponding to the model of the endoscope 100 is stored.

  In this case, in the present embodiment, the capacity of the cleaning / disinfecting tank 4 when it is full is 13000 ml. Of course, the volume of the cleaning / disinfecting tank 4 is not limited to this, and can be appropriately changed according to the model to be used.

  The scope recognition unit 75 of the control unit 70 is based on the endoscope volume calculated by the calculation unit 74 and the identification information in the memory 73, and the model of the endoscope 100 that is accommodated in the cleaning / disinfecting tank 4. Identify.

  The control unit 70 reads the pressure change value of the model corresponding to the identification result of the scope recognition unit 75 from the memory 73 and sets it as the pressure change value used by the water leakage detection unit 77. Then, the control unit 70 compares the pressure change value according to the model of the endoscope 100 with the pressure change detected by the pressure sensor 77b, and detects the water leakage inside the endoscope 100. The water leakage detection unit 77 is controlled.

  In other words, the model of the endoscope 100 that performs water leak detection can be identified with a simple configuration, and the water leak detection is performed using the pressure change value corresponding to the model of the endoscope 100 that performs water leak detection based on this identification. Processing can be performed.

  In the case where the leakage detection of the endoscope 100 is performed by the leakage detection unit 77, although not shown, the leakage detection base communicating with the inside of the endoscope 100 and the endoscope cleaning / disinfecting apparatus 1 The leak detection port 35 may be connected by the leak detection connection tube 101.

  Further, a display unit 76 such as the sub operation panel 13 is electrically connected to the control unit 70, and this display unit 76 displays the water leakage detection result and the cleaning / disinfection time by the display control of the control unit 70. Display and so on.

  Next, the operation of the endoscope cleaning / disinfecting apparatus 1 according to the present embodiment will be described with reference to FIGS. As shown in FIG. 3, a leak detection base that communicates with the inside of the endoscope 100 and a leak detection port 35 of the endoscope cleaning / disinfecting apparatus 1 are connected in advance by a leak detection connection tube 101. Thereafter, it is assumed that the endoscope 100 is accommodated in the cleaning / disinfecting tank 4.

  Now, when water leakage detection of the endoscope 100 is performed, it is assumed that the water leakage detection mode is executed by the operation of the main operation panel 25 by the operator.

  Then, the control unit 70 reads out and executes a program for executing the water leakage detection mode shown in FIG. 5 from a memory (not shown), that is, drives the water leakage detection unit 77 by the process of step S1 to start water leakage detection. .

  At this time, the control unit 70 opens the solenoid valve 15 and performs switching control of the three-way solenoid valve 10 so that the feed water line 9 communicates with the feed water circulation nozzle 24.

  Thereafter, the control unit 70 measures the flow rate detected by the feed water flow rate measuring sensor 65 and the flow rate detection unit 72 in the subsequent step S2.

  Next, the control unit 70 supplies water until the water level sensor 32 with cover detects a preset water level after the water supply time measurement unit 70a starts supplying water to the cleaning / disinfecting tank 4 in the processing of step S3. Measure time.

  And the control part 70 is accommodated and arrange | positioned in the washing | cleaning disinfection tank 4 using the calculating part 74 and the scope recognition part 76 by each determination process of following step S4, step S6, step S8, step S10, and step S12. The type of the endoscope 100 is identified.

  Here, for example, the volume of the cleaning / disinfecting tank 4 used in the present embodiment is set to 13000 ml, and the external volume for each model of the endoscope 100 (also referred to as a scope) for detecting water leakage is 1500 ml, 1000 ml, Assume that the volume is 500 ml and 100 ml.

  First, in the process of step S4, the controller 70 calculates 11500 ml of the water supply amount V1 calculated based on the flow rate Q1 measured by the flow rate detector 72 using the calculator 74 and the water supply time t1 measured by the water supply time measurement unit 70a. It is determined whether or not it is less than. In this case, if it is less than 11500 ml, the process proceeds to step S5, and if not, the process proceeds to step S6.

  In the process of step S5, the control unit 70 determines that water has accumulated in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75 (the drainage is defective), generates an error, and ends the process.

  On the other hand, in the determination process of step S6, the control unit 70 calculates the calculated water supply amount V2 based on the flow rate Q2 measured by the flow rate detection unit 72 using the calculation unit 74 and the water supply time t2 measured by the water supply time measurement unit 70a. It is determined whether it is 11500 ml or more and less than 12000 ml. In this case, if it is 11500 ml or more and less than 12000 ml, the process proceeds to step S7, and if not, the process proceeds to step S8.

  In the process of step S7, the control unit 70 determines that the endoscope 100 has an external volume of 1500 ml in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75, and the pressure of the model corresponding to the endoscope 100 is determined. The change value is read from the memory 73 and set in place of the pressure change value used by the water leak detection unit 77.

  And the control part 70 compares the pressure change value according to the model of this endoscope 100, and the detected pressure change value, The said water leak detection part so that the water leak detection of the inside of the endoscope 100 may be performed. 77, and after the detection of water leakage, the operator is notified of this by the display unit 76 or the like, and then the routine is terminated.

  In the determination process of the next step S8, the control unit 70 uses the calculation unit 74 to calculate the water supply amount V3 calculated based on the flow rate Q3 measured by the flow rate detection unit 72 and the water supply time t3 measured by the water supply time measurement unit 70a. Is determined to be 12000 ml or more and less than 12,500 ml. In this case, if it is 12000 ml or more and less than 12,500 ml, the process proceeds to step S9, and if not, the process proceeds to step S10.

  In the process of step S9, the control unit 70 determines that the endoscope 100 has an external volume of 1000 ml in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75, and the pressure of the model corresponding to the endoscope 100 is determined. The change value is read from the memory 73 and set in place of the pressure change value used by the water leak detection unit 77.

  And the control part 70 compares the pressure change value according to the model of this endoscope 100, and the detected pressure change value, The said water leak detection part so that the water leak detection of the inside of the endoscope 100 may be performed. 77, and after the detection of water leakage, the operator is notified of this by the display unit 76 or the like, and then the routine is terminated.

  In the determination process in the next step S10, the control unit 70 calculates the water supply amount V4 calculated based on the flow rate Q4 measured by the flow rate detection unit 72 using the calculation unit 74 and the water supply time t4 measured by the water supply time measurement unit 70a. Is determined to be 12,500 ml or more and less than 12900 ml. In this case, if it is 12,500 ml or more and less than 12900 ml, the process proceeds to step S11, and if not, the process proceeds to step S12.

  In the process of step S11, the control unit 70 determines that the endoscope 100 has an external volume of 500 ml in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75, and the pressure of the model corresponding to the endoscope 100 is determined. The change value is read from the memory 73 and set in place of the pressure change value used by the water leak detection unit 77.

  And the control part 70 compares with the pressure change value according to the model corresponding to this endoscope 100, and the detected pressure change value, and the said water leak is detected so that the water leak inside the endoscope 100 may be detected. The detection unit 77 is controlled, and after the water leakage detection is completed, the operator is notified of this by the display unit 76 and the like, and then the routine is terminated.

  In the determination process of the next step S12, the control unit 70 calculates the water supply amount V5 calculated based on the flow rate Q5 measured by the flow rate detection unit 72 using the calculation unit 74 and the water supply time t5 measured by the water supply time measurement unit 70a. Is determined to be 12900 ml or more and less than 13000 ml. In this case, if it is 12900 ml or more and less than 13000 ml, the process proceeds to step S13, and if not, the process proceeds to step S14.

  In the process of step S13, the control unit 70 determines that the endoscope 100 has an external volume of 100 ml in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75, and the pressure of the model corresponding to the endoscope 100 is determined. The change value is read from the memory 73 and set in place of the pressure change value used by the water leak detection unit 77.

  And the control part 70 compares the pressure change value according to the model of this endoscope 100, and the detected pressure change value, The said water leak detection part so that the water leak detection of the inside of the endoscope 100 may be performed. 77, and after the detection of water leakage, the operator is notified of this by the display unit 76 or the like, and then the routine is terminated.

  In the determination process of the next step S14, the control unit 70 calculates the water supply amount V6 calculated based on the flow rate Q6 measured by the flow rate detection unit 72 using the calculation unit 74 and the water supply time t6 measured by the water supply time measurement unit 70a. Is determined to be 13000 ml or more. In this case, if it is 13000 ml or more, the process proceeds to step S15.

  In the process of step S15, the control unit 70 determines that the endoscope is not installed in the cleaning / disinfecting tank 4 based on the identification of the scope recognition unit 75, and controls the water leakage detection unit 77 without performing water leakage detection. Then, after notifying the operator of the fact by the display unit 76 or the like, the routine is terminated.

  In the present embodiment, an example has been described in which leakage detection is performed for a model in which the internal volume of the endoscope 100 is classified, for example, between 100 ml and 1500 ml. However, of course, the present invention is limited to such a model. It is not a thing and you may increase or decrease a model as needed. In this case, it is necessary to store the pressure change value for each model in the memory 73.

  Further, in the present embodiment, when water leakage detection processing of the endoscope 100 is performed, the detected pressure change in the endoscope 100 detected by the calculation unit 74 or the water leakage detection unit 77 of the control unit 70 is identified. It is also possible to calculate the amount of water leakage per unit time based on the volume of the endoscope 100. By detecting the amount of water leaked per unit time of rice, it can greatly contribute to the improvement of the accuracy of water leakage detection.

  As described above, by performing the control operation by the control unit 70, it is possible to improve the accuracy of the water leakage detection process regardless of the type of the endoscope 100.

  Therefore, according to the present embodiment, it is possible to identify the model of the endoscope 100 with a simple configuration and at a low cost, and by performing water leakage detection processing according to the internal volume of the endoscope 100. Regardless of the type of endoscope 100, the accuracy of the water leakage detection process can be improved.

  In the present embodiment, the model of the endoscope 100 housed and arranged in the cleaning / disinfecting tank 4 is identified, and this identification result is used to change the setting of the pressure change value when water leakage is detected. The present invention is not limited to this, and may be used for various controls in the endoscope cleaning / disinfecting apparatus 1. As a result, the cost of the endoscope cleaning / disinfecting apparatus 1 as a whole can be reduced.

  The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the spirit of the invention.

The perspective view of endoscope cleaning disinfection which shows one embodiment of the endoscope cleaning disinfection device of the present invention, and shows the state where the top cover is opened and the endoscope can be stored in the cleaning disinfection tank. The block diagram which shows the internal structure of the endoscope washing | cleaning disinfection apparatus of FIG. The block diagram for demonstrating the structure of the principal part of the endoscope washing | cleaning disinfection apparatus of FIG. The flowchart which shows the control operation example of the control part of this Embodiment.

Explanation of symbols

1 ... Endoscope cleaning / disinfecting device,
2 ... The device body,
3 ... Top cover,
4 ... Cleaning disinfection tank,
9 ... Water supply pipeline,
15 ... Water supply solenoid valve,
16 ... Check valve,
17 ... Water supply filter,
18… Flow line,
19 ... Flow pump,
20 ... circulation line,
21 ... Channel line,
25. Main operation panel,
26 ... Channel pump,
28 ... CH solenoid valve for port,
32 ... Water level sensor with cover,
33a ... Port for suction cylinder,
33b ... Air / water port,
33c ... Forceps port
33d ... Forceps raising / sub-water supply port,
35 ... Water leak detection port,
35A ... Water leakage detection pump,
70 ... control unit,
70a: water supply time measuring unit,
71 ... Power supply,
72 ... fluid detection unit,
73 ... Memory,
74: Calculation unit,
75 ... Scope recognition unit,
76 ... display section,
77 ... Water leakage detection part,
77a ... Feed water flow rate measuring sensor,
77b ... Pressure sensor,
100: Endoscope.

Claims (4)

A cleaning / disinfecting tank that houses and arranges the endoscope;
A water supply line for connecting to the cleaning / disinfecting tank and supplying water to the cleaning / disinfecting tank;
A flow rate detecting means for measuring a flow rate of water supplied to the water supply pipeline;
Water level detection means for detecting the level of water supplied to the cleaning and disinfecting tank;
A water supply time measuring means for measuring a water supply time from the start of water supply to the cleaning / disinfecting tank until a water level preset by the water level detection means is detected;
Based on the flow rate measured by the flow rate detection means and the water supply time measured by the water supply time measurement means, the amount of water supplied into the cleaning / disinfecting tank is calculated, and the calculated amount of water in the cleaning / disinfecting tank And calculating means for calculating the volume of the endoscope based on the volume when the endoscope is not accommodated in the cleaning / disinfecting tank when the endoscope is full.
Based on the endoscope volume calculated by the calculation means, an endoscope identification means for identifying a model of the endoscope housed in the cleaning / disinfecting tank, and
An endoscope cleaning / disinfecting apparatus comprising: A cleaning / disinfecting tank that houses and arranges the endoscope;
A water supply line for connecting to the cleaning / disinfecting tank and supplying water to the cleaning / disinfecting tank;
A flow rate detecting means for measuring a flow rate of water supplied to the water supply pipeline;
Water level detection means for detecting the level of water supplied to the cleaning and disinfecting tank;
A water supply time measuring means for measuring a water supply time from the start of water supply to the cleaning / disinfecting tank until a water level preset by the water level detection means is detected;
Based on the flow rate measured by the flow rate detection means and the water supply time measured by the water supply time measurement means, the amount of water supplied into the cleaning / disinfecting tank is calculated, and the calculated amount of water in the cleaning / disinfecting tank And calculating means for calculating the volume of the endoscope based on the volume when the endoscope is not accommodated in the cleaning / disinfecting tank when the endoscope is full.
Based on the endoscope volume calculated by the calculation means, an endoscope identification means for identifying a model of the endoscope housed in the cleaning / disinfecting tank, and
An air supply means for supplying air and pressurizing the inside of the endoscope disposed in the cleaning / disinfecting tank;
A pressure change detecting means arranged between the air feeding means and the endoscope to detect a pressure change per unit time inside the endoscope;
A comparison is made between the pressure change detected by the pressure change detection means and a pressure change value according to the type of the endoscope identified by the endoscope identification means, and based on the comparison result, Water leakage detection control means for detecting internal water leakage;
An endoscope cleaning / disinfecting apparatus comprising:   The storage unit stores a volume when the cleaning and disinfecting tank is full when the endoscope is not accommodated, and a pressure change value corresponding to a model of the endoscope. The endoscope cleaning / disinfecting apparatus according to claim 1 or 2.   The water leakage detection control means includes a water leakage amount calculating means for calculating a water leakage amount per unit time based on the pressure change and the volume of the endoscope. The endoscope cleaning / disinfecting apparatus according to 3.

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