JP5093769B2 - Disinfection equipment - Google Patents

Description

  The present invention relates to a disinfecting apparatus that supplies a concentrated liquid of a disinfecting liquid from a bottle to a disinfecting liquid tank and mixes the concentrated liquid and a diluting liquid in the disinfecting liquid tank to prepare a disinfecting liquid having a predetermined concentration.

  An endoscope is known as a medical device used for inspection and treatment in a body cavity of a living body. The endoscope includes an insertion portion that is inserted into a body cavity. The insertion portion is a flexible rod-like body, and includes an imaging portion that images the inside of the body cavity and various channels such as a forceps channel through which the treatment tool is inserted. In the endoscope after use, body fluid and dirt are attached to the outer surface of the insertion portion and each channel. Since pathogenic bacteria and viruses contained in body fluids and filth cause nosocomial infections, endoscopes after use are always cleaned and disinfected.

  In order to efficiently clean and disinfect an endoscope, an endoscope cleaning / disinfecting apparatus is used. The endoscope cleaning / disinfecting apparatus stores a used endoscope in a cleaning tank and automatically performs various processes such as a cleaning process and a disinfection process. In the washing step, water, detergent, or the like is sprayed onto the endoscope to wash away body fluids and dirt attached to the outer surface and each channel. In the disinfecting process, a predetermined amount of disinfecting liquid is supplied from a disinfecting liquid tank provided in the apparatus into the cleaning tank, and the endoscope is immersed in the disinfecting liquid stored in the cleaning tank. Pathogenic bacteria and viruses that have not been removed in the washing process are removed or disinfected with a disinfectant.

  For the disinfectant, for example, high-level disinfectants such as glutaraldehyde, ophthalphthalaldehyde and peracetic acid are used. Conventionally, glutaraldehyde has been frequently used, but at present, switching to peracetic acid has been progressing with a high disinfecting effect and less adverse effects on the human body.

  The disinfectant is prepared, for example, by supplying a concentrated solution of peracetic acid (hereinafter referred to as a concentrated solution) and a diluting solution (for example, water) into a disinfectant tank and mixing them to obtain a predetermined concentration. To do. For example, the concentrated liquid is treated as a deleterious substance because it has a peracetic acid concentration of 6% and contains 10% or more of hydrogen peroxide. The concentrate is put in a special bottle made of plastic.

  The bottle in which the concentrated liquid is sealed is attached to a bottle attaching portion provided in the endoscope cleaning / disinfecting apparatus. The concentrated liquid flows through the concentrated liquid injection path that connects the bottle mounting portion and the disinfecting liquid tank, and is supplied to the disinfecting liquid tank. A predetermined amount of water is supplied as a diluting liquid to the disinfecting liquid tank to which the concentrated liquid is supplied, thereby generating a predetermined concentration of the disinfecting liquid.

  Peracetic acid and its concentrate have a very strong odor. Therefore, if the odor of the concentrated liquid leaks to the outside of the sterilizer, the working environment is deteriorated. As a countermeasure against this odor leakage, a closed portion of a thin film made of silver paper or plastic is provided at the mouth of the bottle, and a protruding portion is provided at the bottle mounting portion, so that the blocking portion is attached when the bottle is attached to the bottle mounting portion. In this case, the liquid in the bottle is discharged by being separated and cut by the protrusions. According to this configuration, since the bottle and the bottle mounting portion are coupled in an airtight and liquid tight manner, the odor of the concentrated liquid remaining in the bottle is disinfected while the bottle is mounted on the bottle mounting portion. Never leak out. However, if the clogged portion is separated and cut, the cut clogged portion falls into the disinfectant tank, or the clogged clogged portion is clogged in the pipe connecting the bottle mounting part and the disinfectant tank. The problem occurs.

  In order to prevent this problem, for example, in Patent Document 1, a cap attached to the mouth portion of the bottle is provided with a closing portion that closes the mouth portion, and the blade attaching portion, the extended surface portion, the relief portion, and the pressing portion are provided on the bottle attaching portion. Forming. When the bottle is inserted into the bottle mounting portion, the blade portion first forms a fracture portion in the closed portion, and the expansion surface portion expands the fracture portion according to the depth of penetration of the bottle. However, since the escape portion is provided, the broken portion is prevented from extending over the entire circumference of the closed portion. By the action of the pressing part, the closed part is bent inside the bottle with the joint part (the part of the closed part not separated from the cap) left by the escape part as a fulcrum, and a flow path for the concentrated liquid is formed in the bottle. The According to this configuration, since the closed portion does not come out of the bottle, the closed portion does not fall into the disinfecting liquid tank, or a trouble such as clogging in the pipeline connecting the bottle mounting portion and the disinfecting liquid tank does not occur. .

In addition, when replacing the disinfectant, an empty bottle is removed from the bottle mounting portion. At this time, in order to prevent the odor of the concentrated liquid remaining in the bottle and the bottle mounting portion from leaking outside, for example, a patent Document 2 discloses an embodiment in which a cleaning nozzle for cleaning a bottle is provided in a disinfectant tank. An embodiment in which a bottle rinsing tube is directly connected to the bottle connector is also disclosed. Before removing the bottle from the bottle mounting portion when changing the disinfectant, the inside of the bottle is rinsed with the cleaning liquid ejected from the cleaning nozzle.
JP 2006-230493 A JP 11-137506 A

  It is preferable to prevent odor leakage both when attaching and removing the bottle, and to prevent problems caused by the separated and cut off closed part. However, as in Patent Document 1, the closed part of the bottle is partially broken. When forming the liquid flow path, if the bottle is rinsed with the cleaning liquid ejected from the cleaning nozzle in the disinfecting liquid tank as in Patent Document 2, the cleaning liquid ejected from the nozzle is bent in the bottle. There is a risk that the cleaning liquid will not reach the back of the bottle. Further, there is a concern that the bottle cleaning cannot be sufficiently performed because the return liquid sprayed from the nozzle and cleaning the inside of the bottle collides (interferences) with the cleaning liquid ejected from the nozzle.

  When the method of connecting the bottle rinsing tube directly to the bottle connector as in another embodiment of Patent Document 2, the problem of collision between the return liquid and the cleaning liquid ejected from the nozzle remains, and There is also a problem that a complicated mechanism is required on the side of the disinfecting liquid tank because the concentrated liquid must be discharged and the cleaning liquid supplied to the bottle must be performed by one channel (bottle rinsing tube).

  An object of the present invention is to reliably clean the inside of a bottle with a simple configuration while leaving a partially cut-off portion in the bottle.

  In order to achieve the above object, the disinfecting apparatus of the present invention breaks the lid part that closes the mouth part of the bottle storing the concentrated disinfectant solution from the mouth part, and uses the remaining part as a fulcrum. By folding the lid into the bottle and forming the outlet of the concentrate at the mouth, a bottle opening part for allowing the concentrate to flow into the disinfecting liquid tank, and the bottle opening part are provided in the bottle opening part. A nozzle that ejects the cleaning liquid toward the lid, and the nozzle is not covered with the sprayed cleaning liquid on the lid portion bent by the bottle opening portion, and from the level of the return liquid of the cleaning liquid ejected toward the bottle. Is also arranged at a high position.

  The bottle opening portion breaks the lid portion so that the center of the remaining portion is located within a range of an angle formed by a vertical line passing through the radial center of the mouth portion and approximately ± 90 °. In this case, the center of the nozzle is disposed outside the range of a line in which the angle formed by the center of the radial section of the mouth and the straight line passing through the center of the remaining portion is approximately ± 45 °.

  More preferably, the bottle opening portion breaks the lid portion so that the center of the remaining portion is positioned on a line whose angle formed with a vertical line passing through the radial cross-sectional center of the mouth portion is approximately ± 45 °. In this case, the center of the nozzle is formed within the range of lines of approximately −45 ° and approximately −90 ° with respect to the vertical line (when the remainder is positioned on the line of approximately 45 °), or with the vertical line. The angle is within the range of approximately 45 ° and approximately 90 ° lines (when the remainder is positioned on the approximately −45 ° line).

  Or the said bottle opening part fracture | ruptures a cover part so that the center of a remaining part may be located on the vertical upward line of the perpendicular line which passes along the radial direction cross-sectional center of a mouth part. In this case, the center of the nozzle is at least one of a range where the angle with the vertical line is about 45 ° and about 90 °, or a range where the angle is about −45 ° and about −90 °. It is arranged in.

  The nozzle is preferably provided integrally on the inner wall surface of the bottle opening part. A plurality of the nozzles may be provided. Furthermore, it is preferable that the nozzle has a circular outlet or a slit-like outlet. In the latter case, it is preferable that the jet port is formed along the inner wall surface shape of the bottle opening part.

  A cleaning liquid supply means for supplying a cleaning liquid to the nozzle, a measuring means for measuring the ejection amount of the cleaning liquid ejected from the nozzle, and the cleaning liquid supply means so that the ejection amount falls within a predetermined range based on the measurement result of the measuring means. It is preferable to further comprise a control means for controlling the driving of.

  The cleaning liquid supply means includes a cleaning liquid flow path through which the cleaning liquid flows and a pump that sends the cleaning liquid to the flow path. The cleaning liquid channel is branched from the diluent channel through which the diluent supplied to the disinfectant tank flows. The pump is shared by the two flow paths.

  And the flow-path switching means which switches a flow path is provided in the branch location of the washing | cleaning-liquid flow path and the dilution liquid flow path. The control means can drive the flow path switching means to switch the flow path from the cleaning liquid flow path to the dilution liquid flow path when the ejection amount of the cleaning liquid reaches a predetermined amount based on the measurement result of the measurement means. More preferred. At this time, it is particularly preferable that the control means controls the driving of the pump so that the supply amount of the dilution liquid to the dilution liquid channel is larger than the supply amount of the cleaning liquid to the cleaning liquid channel.

  The measuring means measures either the instantaneous flow rate of the cleaning liquid, the integrated flow rate, or the cleaning liquid ejection time.

  A first sensor that detects that a predetermined amount of concentrated liquid has been supplied to the disinfecting liquid tank, and a predetermined amount of cleaning liquid or diluted liquid that can be diluted to adjust the predetermined concentration of disinfecting liquid to the disinfecting liquid tank. It is preferable to further include a second sensor that detects that the supply has been performed. In this case, the control means drives the cleaning liquid supply means when the first sensor detects that a predetermined amount of concentrated liquid is supplied to the disinfecting liquid tank, and the second sensor detects the predetermined amount of cleaning liquid. Alternatively, when it is detected that the diluent has been supplied to the disinfectant tank, the driving of the cleaning liquid supply unit is stopped, or the supply of the diluent to the disinfectant tank is stopped.

  According to the present invention, the bottle cleaning nozzle is provided in the bottle opening part, and the nozzle and the folded lid part are in a position where they do not interfere with each other in the radial direction of the concentrate injection path, and further the inside of the bottle is cleaned. After that, since the nozzle is at a position higher than the water level in the concentrate injection path of the bottle cleaning liquid passing through the concentrate injection path toward the disinfectant tank, the lid portion in which the cleaning liquid ejected from the nozzle is bent in the bottle This eliminates the problem that the cleaning liquid does not reach the back of the bottle and the bottle cleaning liquid that cleans the inside of the bottle and goes to the disinfectant tank collides with the bottle cleaning liquid ejected from the nozzle toward the bottle. . Therefore, with a simple configuration, the inside of the bottle can be reliably washed while leaving the partially cut lid in the bottle. As a result, the odor leakage of the concentrate can be effectively prevented, and the working environment can be kept good.

  An endoscope 10 shown in FIG. 1 is an example of an endoscope that is cleaned and disinfected by the endoscope cleaning / disinfecting apparatus of the present invention. The endoscope 10 includes an insertion unit 11 that is inserted into a body cavity of a living body, and an operation unit 12 that operates the insertion unit 11.

  The insertion part 11 is a rod-shaped body having a circular cross section and has flexibility. At the distal end of the insertion unit 11, an illumination unit that illuminates the inside of the body cavity and an imaging unit (not shown) that images the inside of the body cavity are provided. In the insertion part 11, an air / water supply channel 15 and a forceps channel 16, one end of which is exposed from the distal end of the insertion part 11, are provided. A suction channel 17 is connected to the forceps channel 16 in the operation unit 12.

  The operation unit 12 is provided with a forceps port 20 to which the forceps channel 16 is connected, an air / water supply button 21, and a suction button 22. The forceps port 20 is fitted with a forceps port cap 23 that is removed during use. The air / water supply button 21 and the suction button 22 are detachably attached to the attachment port 12a to which the air / water supply channel 15 is connected and the attachment port 12b to which the suction channel 17 is connected. The air / water supply button 21, the suction button 22, and the forceps port cap 23 are removed from the operation unit 12 when the endoscope 10 is cleaned.

  In the universal cord 25 and the connector unit 26 connected to the operation unit 12, the air / water supply channel 15 and the suction channel 17, and the wiring of the illumination unit and the imaging unit are incorporated. The connector portion 26 is provided with a contact portion for connecting the wiring to the light source device and the video processor. At the time of cleaning the endoscope 10, a waterproof cap 27 (see FIG. 3) that covers the contact portion and waterproofs is attached to the connector portion 26. Here, only the connector portion connected to the light source device is illustrated.

  An endoscope cleaning / disinfecting apparatus (hereinafter simply referred to as an apparatus) 28 shown in FIG. 2 includes a box-shaped apparatus main body 30. A cleaning tank 31 in which the used endoscope 10 is accommodated is provided on the upper surface of the apparatus main body 30. The cleaning tank 31 is a water tank having an open top, and is formed of a metal plate having excellent heat resistance, corrosion resistance, etc., such as stainless steel.

  An operation panel 33 and a display panel 34 are arranged in front of the upper surface of the apparatus main body 30. The operation panel 33 includes a number of buttons for instructing various settings related to cleaning and disinfection of the endoscope 10 and starting or stopping of cleaning and disinfection. For example, a liquid crystal display (LCD) is used for the display panel 34, and various setting screens, remaining time of each process, a warning message when a trouble occurs, and the like are displayed.

  On the front surface of the apparatus main body 30, a bottle housing portion 37 that can be opened and closed by a door 36 is provided. A bottle unit 38 is accommodated in the bottle accommodating portion 37. The bottle unit 38 includes a first bottle 39 enclosing a concentrated peracetic acid solution and a second bottle 40 enclosing a buffering agent. The first bottle 39 and the second bottle 40 are fastened by a belt-like film 41 wound around the outer periphery, and are handled as one bottle unit 38 integrally.

  The first bottle 39 is made of a plastic having resistance to a concentrated solution of peracetic acid. The first bottle 39 has a substantially box-shaped bottle body 39a, a substantially cylindrical mouth portion 39b provided on the upper surface of the bottle body 39a, and a lid portion 39c provided in the mouth portion 39b. . A concentrated liquid is stored in the bottle body 39a. The mouth portion 39b communicates with the inside of the bottle body 39a, and the concentrated liquid in the bottle body 39a can be poured outside through the mouth portion 39b. The lid portion 39c is made of a thin plate-like body and closes the mouth portion 39b so that the concentrated liquid does not leak.

  The first bottle 39 is accommodated in the bottle accommodating portion 37 in a state where the mouth portion 39b is laid obliquely so that the mouth portion 39b faces downward. The mouth portion 39b is eccentric with respect to the central axis of the bottle main body 39a in order to discharge the liquid in the first bottle 39 to the outside without remaining due to its own weight. Specifically, when the first bottle 39 is laid down, the inner surface of the mouth portion 39b is flush with the inner surface of the side surface 39d of the bottle main body 39a in contact with the bottom surface portion 107 (see FIG. 4) of the bottle housing portion 37 ( Located in the same plane). Since the second bottle 40 has the same configuration as the first bottle 39, detailed description thereof is omitted.

  On the side of the bottle housing portion 37, a tank housing portion 45 that can be opened and closed by a door 44 is provided. A detergent tank 46 and an alcohol tank 47 are housed in the tank housing part 45. In the detergent tank 46, a detergent (for example, a liquid enzyme detergent) 82 (see FIG. 4) used for washing the endoscope 10 is stored. The alcohol tank 47 stores alcohol that flows into each channel after the endoscope 10 is cleaned and disinfected.

  A top cover 49 for opening and closing the cleaning tank 31 is provided on the upper surface of the apparatus main body 30. The top cover 49 is a substantially rectangular plate-like body made of, for example, plastic, and one side is pivotally supported by a hinge 50 provided on the upper surface of the apparatus main body 30. The top cover 49 is closed during cleaning and disinfection of the endoscope 10 and covers the upper part of the cleaning tank 31. A packing 49 a is provided on the outer periphery of the top cover 49 to seal the inside of the cleaning tank 31 when the top cover 49 is closed. The top surface of the top cover 49 is a transparent viewing window, and the state of cleaning and disinfection can be visually confirmed. Although not shown in detail, the top cover 49 is provided with a lock mechanism for locking in the closed position.

  A supply port 52 that supplies liquid used for cleaning and disinfecting the endoscope 10 into the cleaning tank 31 is provided in the inclined portion 31 a provided at the corner at the back of the cleaning tank 31. The supply port 52 is provided with a water supply nozzle 53, a detergent supply nozzle 54, and a disinfectant supply nozzle 55 that are bent toward the cleaning tank 31. These nozzles 53 to 55 are arranged at positions higher than the liquid level of the liquid stored in the cleaning tank 31. When the top cover 49 is closed, the supply port 52 is accommodated in a protrusion 49 b provided on the top cover 49.

  The water supply nozzle 53 supplies water into the cleaning tank 31. The detergent supply nozzle 54 supplies the detergent stored in the detergent tank 46 into the cleaning tank 31. The disinfecting liquid supply nozzle 55 supplies the disinfecting liquid stored in the disinfecting liquid tank 87 (see FIG. 4) into the cleaning tank 31. Body fluid and dirt attached to the endoscope 10 after use are washed away with a cleaning liquid in which water and a detergent are mixed. Pathogenic bacteria and viruses that have not been washed away with the cleaning solution are removed or the pathogenicity is lost by the disinfecting solution.

  In FIG. 3 showing a state where the endoscope 10 is housed in the cleaning tank 31, a channel cleaning port 57 is provided on the inner side surface 31 b of the cleaning tank 31. The channel cleaning port 57 is used for cleaning and disinfecting the air / water channel 15, the forceps channel 16, and the suction channel 17 of the endoscope 10. The channel cleaning port 57 is provided with an air / water channel coupler 58, a suction channel coupler 59, and a forceps channel coupler 60.

  The mounting ports 12a and 12b and the forceps port 20 of the endoscope 10 are connected to the couplers 58 to 60 by flexible tubes 62 to 64, respectively. From each of the couplers 58 to 60, liquids and gases such as water, cleaning liquid, disinfecting liquid, alcohol, and compressed air are supplied into the air / water supply channel 15, the forceps channel 16, and the suction channel 17.

  An airtight test port 65 used for an airtight test of the endoscope 10 is provided on the inner surface 31 c facing the inner surface 31 b of the cleaning tank 31. The airtight test port 65 is provided with a tube coupler 65a for supplying compressed air. A tube having flexibility is attached to the tube coupler 65a. The tube is connected to a waterproof cap 27 attached to the connector portion 26.

  A liquid level sensor (LS) 66 is provided in the vicinity of the inner side surface 31c. The liquid level sensor 66 detects the liquid level position of the liquid stored in the cleaning tank 31. As the liquid level sensor 66, for example, a float type level sensor in which the float moves up and down in accordance with the liquid level is used.

  A small item cleaning basket 68 is attached to the center of the bottom surface 31 d of the cleaning tank 31. The accessory washing basket 68 is, for example, a circular basket having an upper opening, and accessory parts such as the air / water supply button 21, the suction button 22, and the forceps port cap 23 removed from the operation unit 12 of the endoscope 10 are used. Be contained. A waste liquid port 69 is provided at a corner portion in front of the bottom surface 31d. The waste liquid port 69 discharges used water, cleaning liquid, and disinfecting liquid from the cleaning tank 31.

  In FIG. 4 showing the piping system in the apparatus main body 30, a rubber heater 71 is attached to the lower surface of the cleaning tank 31. The rubber heater 71 heats the cleaning liquid or the disinfecting liquid stored in the cleaning tank 31 through the cleaning tank 31. In the cleaning tank 31, a temperature sensor (TE) 72 for measuring the temperature of the cleaning liquid or the disinfecting liquid is provided.

  The water supply nozzle 53 is connected to a liquid supply path 74 through which water, a cleaning liquid, and a disinfecting liquid flow. The other end of the liquid supply path 74 is connected to the discharge port of the electric three-way valve 75. A water supply path 76 is connected to one inflow port of the electric three-way valve 75.

  The water supply channel 76 is exposed to the outside of the apparatus main body 30 and connected to a tap water tap. The water supply path 76 is provided with a solenoid valve 78, a water filter (WF) 79, and a water pump (hereinafter abbreviated as WP) 80 from the side connected to the faucet. The solenoid valve 78 switches supply / stop of tap water to the water supply channel 76. WF79 captures foreign substances and bacteria contained in tap water. The WP 80 adjusts the supply flow rate of tap water to the water supply channel 76. The electric three-way valve 75 connects the liquid supply path 74 and the water supply path 76 when supplying water into the cleaning tank 31.

  A detergent supply path 81 is connected to the detergent supply nozzle 54. The other end of the detergent supply path 81 is connected to the detergent tank 46 in which the detergent 82 is stored. In the detergent supply path 81, a WP 83 is provided. The WP 83 sucks the detergent 82 in the detergent tank 46 and discharges it from the detergent supply nozzle 54.

  A disinfectant supply path 85 is connected to the disinfectant supply nozzle 55. The other end of the disinfecting liquid supply path 85 is connected to a disinfecting liquid tank 87 in which the disinfecting liquid 86 is stored. A WP 88 is provided in the disinfectant supply path 85. The WP 88 sucks the disinfecting liquid 86 in the disinfecting liquid tank 87 and discharges it from the disinfecting liquid supply nozzle 55.

  The disinfectant tank 87 is made of polypropylene (PP) having resistance to peracetic acid. The disinfectant tank 87 has a complicated shape that matches the empty space in the apparatus main body 30 and is molded by blow molding so as to have a predetermined strength. A discharge port 90 for discharging the used disinfectant 86 is provided on the lower surface of the disinfectant tank 87. The discharge port 91 is connected to a discharge path 91 that is routed outside the apparatus main body 30. An electromagnetic valve 92 is provided in the discharge path 91.

  A waste liquid path 94 is connected to the waste liquid port 69. The waste liquid path 94 is branched into a first waste liquid path 95 and a second waste liquid path 96 on the downstream side. The first waste liquid path 95 discharges the cleaning liquid and water used for cleaning the endoscope 10 to the outside of the apparatus main body 30 through the WP 97. The second waste liquid path 96 returns the disinfecting liquid 86 used for disinfecting the endoscope 10 to the disinfecting liquid tank 87. Since the disinfecting liquid 86 does not lose its disinfecting effect after several uses, it is returned to the disinfecting liquid tank 87 and used repeatedly. By opening / closing electromagnetic valves 98 and 99 provided in the first waste liquid path 95 and the second waste liquid path 96, it is switched to which of the waste liquid paths 95 and 96 the waste liquid flows.

  A circulation path 101 is also connected to the waste liquid port 69. The circulation path 101 is provided with a WP 102 that sucks the liquid in the cleaning tank 31. The circulation path 101 branches into a first circulation path 103 and a second circulation path 104 on the downstream side. The first circulation path 103 is connected to the other inflow port of the electric three-way valve 75. The electric three-way valve 75 connects the first circulation path 103 and the liquid supply path 74 and circulates the liquid sucked from the cleaning tank 31 by the WP 102 through the water supply nozzle 53 into the cleaning tank 31.

  The second circulation path 104 is connected to each coupler 58 to 60 of the channel cleaning port 57. The liquid sucked from the cleaning tank 31 by the WP 102 is supplied from the couplers 58 to 60 into the channels 15 to 17 of the endoscope 10.

  In addition to the second circulation path 104, the channel cleaning port 57 is an air supply path that blows air into each of the channels 15 to 17 to remove water droplets, and an alcohol supply path that causes alcohol to flow and dry in each of the channels 15 to 17. Etc. are connected. In order to prevent complication of the drawing, FIG. 4 does not show an air supply path, an alcohol supply path, and the like.

  The bottle housing portion 37 is disposed in the vicinity of the disinfecting liquid tank 87. The bottle housing portion 37 has a bottom surface portion 107 on which the bottle unit 38 is placed. The bottom surface portion 107 is inclined so as to become lower toward the back of the apparatus main body 30. The bottle unit 38 is placed on the bottle accommodating portion 37 in a state where the mouth portion 39 b is turned down so that the side surface 39 d is in contact with the bottom surface portion 107. A first bottle mounting portion 108 is provided at the lowermost end of the bottom surface portion 107. The first bottle mounting portion 108 has a base shape that fits in an airtight and liquid-tight manner outside the mouth portion 39 b of the first bottle 39.

  A concentrated liquid injection path 109 provided at the upper part of the disinfectant tank 87 is attached to the first bottle mounting part 108. The concentrated liquid injection path 109 is composed of a pipe communicating with the disinfecting liquid tank 87. A tip portion of the concentrate injection path 109 (portion protruding into the first bottle attachment portion 108) serves as a bottle opening portion 110 for opening the mouth portion 39b of the first bottle 39.

  As shown in FIG. 5, the concentrate injection path 109 is a tubular member made of metal such as stainless steel, for example, and the bottle opening portion 110 that is a tip portion thereof is formed in order from the tip side with a blade portion 110 a and an expansion surface portion. 110b, a pressing part 110c, and an escape part 110d.

  The blade portion 110a is a vertical line passing through the center of the bottle opening portion 110 in the radial direction when the bottle opening portion 110 is viewed from the bottle unit 38 side (the same as the vertical line passing through the center of the mouth portion 39b in the radial direction) L1. When the vertical upward direction (see FIG. 6) is 0 o'clock, for example, the center is located at 4:30. The blade part 110 a is inserted into the first bottle 39 by breaking the lid part 39 c when the mouth part 39 b of the bottle unit 38 is pushed into the first bottle attachment part 108.

  The expansion surface portion 110b abuts on the lid portion 39c and expands the broken portion of the lid portion 39c according to the insertion depth of the bottle unit 38. The relief part 110d has its center at a position facing the blade part 110a, for example at 10:30. The relief portion 110d is a surface that is angled on the back side of the concentrate injection path 109 with respect to the expansion surface portion 110b, and is configured not to contact the lid portion 39c. Thereby, the broken part of the lid part 39c expanded by the extended surface part 110b is prevented from extending over the entire circumference (the lid part 39c is broken from the mouth part 39b leaving the remaining part 39e (see FIG. 6). )

  The pressing portion 110c is a boundary between the expansion surface portion 110b and the relief portion 110d, and comes into contact with the lid portion 39c when the insertion depth of the bottle unit 38 reaches a certain value, and further increases the insertion depth of the bottle unit 38 therefrom. Then, the lid 39c is pushed up to the back side of the first bottle 39 while bending the remaining portion 39e. Thereby, a liquid flow path for discharging the concentrated liquid in the first bottle 39 is formed in the mouth portion 39b. The inner diameter of the mouth portion 39b is, for example, 34 mm, and the remaining portion 39e has a length of about 10 mm (arc angle 34 ° to 36 °).

  The bottle opening portion 110 is integrally provided with a bottle cleaning nozzle 112 on the inner peripheral surface thereof. The center of the bottle cleaning nozzle 112 in the radial direction is, for example, at the 3 o'clock position of the bottle opening part 110. The tip of the bottle cleaning nozzle 112 is located on the back side (disinfecting liquid tank 87 side) from the extended surface portion 110b in order to prevent the bottle cleaning nozzle 112 from coming into contact with the lid portion 39c when the bottle unit 38 is inserted. A cleaning liquid flow path 113 (see FIG. 4) branched from the water supply path 76 is connected to the bottle cleaning nozzle 112.

  The positional relationship in the radial direction cross section of the bottle opening part 110 of the cover part 39c, the remaining part 39e, and the bottle washing nozzle 112 is demonstrated using FIG. The center (position at 10:30) of the remaining portion 39e is −45 ° (+ for clockwise and − for counterclockwise) with respect to the vertical line L1 passing through the center of the bottle cross-section 110 in the radial direction. Is on a straight line L2. The center (position at 3 o'clock) of the bottle washing nozzle 112 is on a straight line that forms an angle of + 90 ° with respect to the vertical line L1. When the remaining portion 39e and the bottle cleaning nozzle 112 are in this positional relationship, the folded lid portion 39c (hatched portion in the figure) and the bottle cleaning nozzle 112 do not interfere in the radial direction of the bottle opening portion 110. In other words, the bottle cleaning liquid ejected from the bottle cleaning nozzle 112 does not hit the folded lid portion 39c.

  Although not shown in detail, the bottle housing portion 37 is also provided with a second bottle mounting portion for the second bottle 40. The second bottle mounting portion has the same shape as the first bottle mounting portion 108. A buffer injection path provided in the disinfectant tank 87 is connected to the second bottle mounting portion along with the concentrated liquid injection path 109. The buffer is supplied into the disinfectant tank 87 through the buffer injection path simultaneously with the concentrated liquid.

  In FIG. 4, a bottle sensor 116 that detects the bottle unit 38 is provided in the bottle housing portion 37. The bottle sensor 116 detects the bottle unit 38 when the first bottle 39 and the second bottle 40 are pushed into the first bottle mounting portion 108 and the second bottle mounting portion.

  The cleaning liquid channel 113 is branched from the diluent channel 117. In the diluent flow path 117, an electromagnetic valve 111, an electric three-way valve 114 (flow path switching means), and a flow meter 115 (measurement means) are provided in this order from the water supply path 76 side. A diluent flow path 117 is connected to the inlet of the electric three-way valve 114, a diluent flow path 117 is connected to one outlet, and a cleaning liquid path 113 is connected to the other outlet. The diluent flow path 117 is directly connected to the disinfectant tank 87. By switching the electric three-way valve 114, it is selected whether water is supplied to the diluent flow path 117 or water is supplied to the cleaning liquid flow path 113.

  The flow meter 115 measures the instantaneous flow rate of water supplied to the cleaning liquid channel 113. The WP 80 is controlled based on the instantaneous flow rate data from the flow meter 115, and the supply pressure of tap water to the water supply channel 76 is adjusted. Water sprayed from the bottle cleaning nozzle 112 into the first bottle 39 cleans the first bottle 39 as a bottle cleaning liquid. Thereafter, when the CPU 122 (control means, see FIG. 7) measures a certain time (when the integrated flow rate of the water supplied to the cleaning liquid channel 113 reaches a certain value), the electric three-way valve 114 moves from the cleaning liquid channel 113 side. Switching to the diluent channel 117 side, water (diluent) is poured into the disinfectant tank 87 from the diluent channel 117. When water passes through the diluent flow path 117, the water supply pressure by the WP 80 is higher than when water passes through the cleaning liquid flow path 113. As a result, a prescribed amount of diluent can be supplied into the disinfectant tank 87 in a short time.

  In the disinfecting liquid tank 87, a concentrated liquid sensor (first sensor) 118 that detects the liquid level of the liquid and turns on, and a disinfecting liquid sensor (second sensor) 119 are provided. The concentrated liquid sensor 118 and the disinfecting liquid sensor 119 are attached to the disinfecting liquid tank 87 from the outside of the disinfecting liquid tank 87 by using, for example, holes formed in the disinfecting liquid tank 87. Between the hole of the disinfecting liquid tank 87 and the concentrated liquid sensor 118 and the disinfecting liquid sensor 119, a packing for preventing the disinfecting liquid 86 from leaking is attached. For this packing, PP having resistance against peracetic acid, polyethylene (PE) or the like is used.

  The concentrated liquid sensor 118 detects a prescribed amount of the concentrated liquid and buffer to be supplied from the bottle unit 38. The disinfecting liquid sensor 119 detects the supply amount of the diluting liquid to be supplied in order to prepare a disinfecting liquid 86 having a predetermined concentration by diluting a predetermined amount of the concentrated liquid and buffer stored in the disinfecting liquid tank 87. To do. In the present invention, not only the water supplied from the diluent flow path 117 but also the bottle cleaning liquid returned from the first bottle 39 is used as the diluent. Therefore, when the total amount of water supplied from the bottle cleaning liquid flowing from the first bottle 39 into the disinfecting liquid tank 87 and the water supplied from the diluent flow path 117 reaches a predetermined amount, the disinfecting liquid sensor 119 The liquid level of the liquid in which the buffer and the diluent are mixed is detected.

  As shown in FIG. 7, the apparatus 28 includes a CPU 122 that controls the entire apparatus, a ROM 123 that stores a control program and various data, and a RAM 124 that is an execution area of the control program read from the ROM 123. I have. Sensors such as a liquid level sensor 66, a temperature sensor 72, a flow meter 115, a bottle sensor 116, a concentrated liquid sensor 118, and a disinfectant liquid sensor 119 are connected to the CPU 122. Also connected to the CPU 122 are an LCD driver 125 that drives the display panel 34, a valve driver 126 that drives each electromagnetic valve, a motor driver 127 that drives the electric three-way valves 75 and 114, and the like. A WP driver 128 that drives each WP, a heater driver 129 that drives the rubber heater 71, and the like are also connected to the CPU 122.

  The apparatus 28 has a plurality of operation modes such as a cleaning / disinfecting mode, a disinfecting liquid preparation mode, and a disinfecting liquid discharge mode. Each mode is selected by operating the operation panel 33. Hereinafter, the disinfecting liquid preparation mode for preparing a new disinfecting liquid 86 in the disinfecting liquid tank 87 will be described with reference to the flowchart of FIG. 8 and FIG. 9.

  When the device 28 is set to the disinfecting liquid preparation mode by operating the operation panel 33 (S1), the CPU 122 sets the disinfecting liquid 86 in the disinfecting liquid tank 87 based on the signals of the concentrated liquid sensor 118 and the disinfecting liquid sensor 119. The presence or absence is confirmed (S2). When the disinfecting liquid 86 is stored in the disinfecting liquid tank 87 (Y in S2), the CPU 122 opens the electromagnetic valve 92 to discharge the disinfecting liquid 86 in the disinfecting liquid tank 87 (S3). When there is no disinfecting liquid 86 in the disinfecting liquid tank 87 (N in S2), the CPU 122 accepts the installation of a new bottle unit 38 (S4). It is preferable that a predetermined amount of diluent is supplied into the disinfectant tank 87 after the disinfectant 86 is discharged, and the disinfectant tank 87 is cleaned.

  As shown in FIG. 9 (A), the bottle unit 38 storing the concentrated liquid 132 and the buffering agent is laid diagonally so that the mouth portion 39b faces downward, and the bottle housing portion is opened from the mouth portion 39b side. 37. The bottle unit 38 is placed on the bottom surface portion 107.

  As shown in FIG. 9B, the bottle unit 38 is slid on the bottom surface portion 107, and the mouth portion 39 b is pushed into the first bottle attachment portion 108. According to the insertion depth of the bottle unit 38, the blade part 110a pushes and breaks the lid part 39c, and the extended surface part 110b expands the fractured part of the lid part 39c. However, the relief part 110d and the pressing part 110c act to open the lid part. 39c is not completely separated from the mouth portion 39b, and a liquid flow path is formed in the mouth portion 39b by bending the remaining portion 39e. At this time, since the first bottle mounting portion 108 is fitted to the outer periphery of the mouth portion 39 b so as to be airtight and liquid tight, the odor of the concentrated liquid 132 does not leak from the first bottle 39. Although not described in detail, the second bottle 40 is fitted to the second bottle mounting portion in the same manner as the first bottle 39.

  The concentrate 132 and the buffer in the bottle unit 38 flow into the disinfectant tank 87 through the concentrate injection path 109 and the buffer injection path. The concentrated liquid sensor 118 detects the liquid level where the concentrated liquid 132 and the buffering agent are mixed, and turns on (Y in S5).

  The bottle sensor 116 detects the bottle unit 38 accommodated in the bottle accommodating portion 37 and is turned on. In addition, the CPU 122 performs measurement for a predetermined time after the bottle sensor 116 is turned on. When the concentrate sensor 118 is not turned on within a predetermined time (N in S5), there is a possibility that an empty bottle unit 38 or a bottle unit 38 with a small amount of the concentrate 132 or the like is set. For example, error processing such as displaying an error message on the display panel 34 is performed (S6). As a cause of the error in which the concentrated liquid 132 or the like is not detected, a liquid supply mistake such as leakage of the concentrated liquid 132 or the like outside the disinfecting liquid tank 87 may be considered.

  As shown in FIG. 9C, the CPU 122 opens the electromagnetic valves 78 and 111 in response to the ON signal of the concentrate sensor 118. Further, the electric three-way valve 114 is switched to the cleaning liquid channel 113 side. The water that has flowed through the water supply channel 76 and the cleaning liquid channel 113 is sprayed into the first bottle 39 from the bottle cleaning nozzle 112 as a bottle cleaning liquid 136 (S7). As a result, the concentrated liquid 132 remaining in the first bottle 39 is washed away by the bottle cleaning liquid 136. In the disinfectant preparation mode, the electric three-way valve 75 is switched so as to connect the liquid supply path 74 and the first circulation path 103, so that water does not flow into the cleaning tank 31.

  The flow meter 115 measures the instantaneous flow rate of the water flowing in the cleaning liquid flow path 113 and sends data to the CPU 122. The CPU 122 monitors whether the instantaneous flow rate is within a predetermined range (S8). For example, this range is 5-6 liters / minute. When the instantaneous flow rate is out of the predetermined range (N in S8), the CPU 122 controls the water supply pressure by the WP 80 via the WP driver 128 so that the instantaneous flow rate is within the predetermined range (S9). The appropriate instantaneous flow rate range varies depending on the size of the first bottle 39, the position of the nozzle 112, the inclination angle of the bottom surface portion 107, and the like.

  At this time, as shown in FIG. 6, the bottle cleaning liquid 136 (return liquid) that is sprayed from the bottle cleaning nozzle 112 to clean the inside of the first bottle 39 and then passes through the concentrated liquid injection path 109 toward the disinfecting liquid tank 87. The bottle cleaning nozzle 112 is located higher than the liquid level (water level) in the radial cross section of the concentrated liquid injection path 109. Thus, by appropriately controlling the flow rate of the return liquid, the return liquid and the bottle cleaning nozzle 112 can be prevented from interfering with each other, and the return liquid may collide with the bottle cleaning liquid 136 ejected from the nozzle 112. Is prevented. Therefore, the bottle cleaning liquid 136 ejected from the nozzle 112 can surely reach the back of the first bottle 39, and the first bottle 39 can be effectively cleaned. In FIG. 6, the lid portion 39c other than the remaining portion 39e is drawn so as to be in contact with the mouth portion 39b, but actually, the lid portion 39c other than the remaining portion 39e is not in contact with the mouth portion 39b. . Therefore, the water level of the return liquid of the bottle cleaning liquid 112 can be up to the height of the edge of the remaining portion 39e when the position of the bottle cleaning nozzle 112 is not considered.

  When the CPU 122 measures the predetermined time (Y in S10), the CPU 122 drives the motor driver 127 to switch the electric three-way valve 114 from the cleaning liquid flow path 113 side to the dilution liquid flow path 117 side (S11). The predetermined time is, for example, 20 seconds. Thereby, the ejection of the bottle cleaning liquid 136 from the bottle cleaning nozzle 112 stops, and water (diluted liquid) is poured into the disinfecting liquid tank 87 from the diluent flow path 117. When the water passes through the diluent flow path 117, the CPU 122 increases the water supply pressure by the WP 80 via the WP driver 128 more than when it passes through the cleaning liquid flow path 113 (S12). For example, the water supply pressure by the WP 80 is controlled so that the flow rate of water passing through the diluent channel 117 is 10 to 12 liters / minute. Thereby, compared with the case where the concentrate 132 is diluted only with the bottle cleaning liquid 136 from the bottle cleaning nozzle 112, the concentrate 132 can be diluted in a short time (dilution of a prescribed amount of water in the disinfectant tank 87). The advantage of being able to supply liquid) is born. The timing for switching the electric three-way valve 114 may be after the flow meter 115 measures a predetermined integrated flow rate, instead of after the CPU 122 measures a predetermined time.

  The bottle cleaning liquid 136 that has flowed into the disinfecting liquid tank 87 through the concentrated liquid injection path 109 and the water poured into the disinfecting liquid tank 87 from the diluting liquid flow path 117 dilute the concentrated liquid 132 to disinfect the disinfecting liquid 86. To prepare. When the liquid level of the disinfecting liquid 86 reaches the disinfecting liquid sensor 119, the disinfecting liquid sensor 119 is turned on (Y in S13). The CPU 122 closes the electromagnetic valves 78 and 111 via the valve driver 126 in response to the ON signal of the disinfecting liquid sensor 119, and stops supplying the diluting liquid (S14). Thereby, the preparation of the disinfecting liquid 86 having a predetermined concentration in the disinfecting liquid tank 87 is completed. For example, the disinfecting solution 86 is obtained by diluting a concentrated solution 132 of 6% peracetic acid 20 times.

  The disinfecting liquid 86 prepared as described above is used in the disinfecting process after the cleaning process and the rinsing process of the endoscope 10. In the sterilization process, the CPU 122 drives the WP 88 to suck the sterilization liquid 86 in the sterilization liquid tank 87 and supplies a predetermined amount of the sterilization liquid 86 into the cleaning tank 31. The disinfectant liquid 86 is heated by the rubber heater 71. The disinfectant 86 is circulated in the cleaning tank 31 and the channels 15 to 17 of the endoscope 10 to remove pathogens and viruses that have not been washed away in the cleaning process or to eliminate pathogenicity. After the disinfection process is completed, the disinfecting liquid 86 is returned to the disinfecting liquid tank 87 through the waste liquid paths 94 and 96. Finally, the cleaning and disinfection of the endoscope 10 is completed through a rinsing process for removing the disinfecting solution 86 and a drying process for drying the channels 15 to 17 of the endoscope 10 with air supply and alcohol.

  As described above, the bottle cleaning nozzle 112 is provided in the bottle opening part 110, and the respective positions are specified so that the folded lid part 39c and the bottle cleaning nozzle 112 do not interfere with each other. The inside of the first bottle 39 can be cleaned. Further, since the bottle cleaning nozzle 112 is located at a position higher than the water level of the return liquid of the bottle cleaning liquid 136, the return liquid can be smoothly guided into the disinfecting liquid tank 87 while cleaning the inside of the first bottle 39.

  Since the amount of the bottle cleaning liquid 136 ejected from the bottle cleaning nozzle 112 is measured and the drive of the WP 80 is controlled so that the ejection amount is within a predetermined range, interference between the bottle cleaning nozzle 112 and the return liquid of the cleaning liquid 136 is further prevented. It can be effectively prevented.

  Further, the cleaning liquid flow path 113 is branched from the dilution liquid flow path 117, and the electric three-way valve 114 flows from the cleaning liquid flow path 113 to the dilution liquid flow path 117 when the ejection amount of the bottle cleaning liquid 136 reaches a predetermined amount. Since the paths are switched, it is possible to easily perform fine control such as changing the ejection amount of the liquid between the supply of the cleaning liquid 136 and the supply of the dilution liquid. Further, since the WP 80 is shared by the cleaning liquid channel 113 and the diluent channel 117, it is economical.

  In the above embodiment, the escape portion 110 d of the concentrate injection path 109 is disposed at the 10:30 position, and the bottle cleaning nozzle 112 is integrally provided at the 3 o'clock position of the concentrate injection path 109. Therefore, the center of the remaining portion 39e (position at 10:30) is on a straight line that forms an angle of −45 ° with respect to the vertical line passing through the center of the radial section of the mouth 39b, and the center of the bottle washing nozzle 112 ( 3 o'clock position) is on a straight line forming an angle of + 90 ° with respect to a vertical line passing through the center of the radial section of the mouth 39b. However, the arrangement of the relief part 110d and the bottle cleaning nozzle 112 is not limited to the above, and the interference between the return liquid of the bottle cleaning liquid 136 and the bottle cleaning nozzle 112, and the lid part 39c bent in the first bottle 39 and the bottle cleaning. Any arrangement is possible as long as interference with the nozzle 112 can be prevented.

  However, in order to ensure a certain amount of return liquid flow while preventing interference between the lid 39c and the bottle cleaning nozzle 112, and the return liquid of the bottle cleaning nozzle 112 and the cleaning liquid 136, the center of the remaining portion 39e is preferably It is within the range of a line that forms an angle of approximately ± 90 ° with respect to a vertical line passing through the radial cross-sectional center of the mouth portion 39b, and the center of the bottle washing nozzle 112 defines the radial cross-sectional center of the mouth portion 39b and the remaining portion 39e. That is, the angle formed with the straight line passing is outside the range of a line of approximately ± 45 °.

  For example, when the center of the remaining portion 39e is on a line that forms an angle of approximately ± 90 ° with respect to the vertical line passing through the radial cross-sectional center of the mouth portion 39b, the center of the bottle washing nozzle 112 is It is outside the range of the lines forming the angles of approximately −45 ° and approximately −135 °. That is, in this case, the center of the bottle cleaning nozzle 112 may be arranged on the vertical line. Even if the center of the remaining portion 39e is on a line that forms an angle of approximately ± 90 ° with respect to the vertical line passing through the radial cross-sectional center of the mouth portion 39b, the water level of the return liquid of the bottle cleaning liquid 136 is the edge of the remaining portion 39e. Therefore, a sufficient water level can be secured.

  More preferably, the center of the remaining portion 39e is on a line that forms an angle of approximately ± 45 ° with respect to the vertical line, and the center of the bottle washing nozzle 112 is approximately −45 ° and approximately −90 with respect to the vertical line. Within the range of a line forming an angle of ° (when the remainder is positioned on a line of approximately + 45 °), or within the range of a line forming an angle of approximately 45 ° and approximately 90 ° with respect to a vertical line (the remainder is approximately −45 Is located on the line of °).

  Further, in the above embodiment, one bottle cleaning nozzle 112 is provided at the 3 o'clock position of the bottle opening part 110, but two or more bottle cleaning nozzles may be provided in the bottle opening part 110. For example, as shown in FIG. 10, the center of the remaining portion 39e is set to the 0 o'clock position, and the two bottle cleaning nozzles 152a and 152b having a diameter smaller than that of the bottle cleaning nozzle 112 are set to 3 o'clock and 9 o'clock of the bottle opening portion 110, respectively. It is provided in the position. That is, the center (position at 0 o'clock) of the remaining portion 39e is on the vertical upward line of the vertical line L1 passing through the center of the bottle opening portion 110 in the radial direction (L1 = L2), and the centers of the bottle cleaning nozzles 152a and 152b (Positions at 3 o'clock and 9 o'clock) are on straight lines that form angles of + 90 ° and −90 ° with respect to the vertical line L1.

  According to this embodiment, by using two nozzles, a specified amount of nozzle cleaning liquid can be ejected even if each nozzle diameter is reduced. Therefore, since the amount of the nozzle protruding to the center side in the radial direction of the bottle opening part 110 is small, even if the remaining part 39e is arranged at the 0 o'clock position, the folded lid part 39c and the bottle washing nozzles 152a and 152b interfere with each other. do not do. According to this example, it is only necessary to provide the bottle cleaning nozzles 152a and 152b in the bottle opening portion 110 having the conventional tip shape with the remaining portion 39e at the 0 o'clock position, which is advantageous in terms of design. Moreover, since the two nozzles are used, the inside of the first bottle 39 can be cleaned efficiently.

  When the center of the remaining portion 39e is set to the 0 o'clock position, it is not always necessary to use two nozzles, and the nozzle positions are not limited to the 3 o'clock and 9 o'clock positions. However, it is preferable that the angle between the center of the nozzle and a vertical line passing through the radial cross-sectional center of the mouth portion 39b is within a range of approximately 45 ° and approximately 90 °, or approximately −45 ° and approximately −90 °. It is arranged in at least one of the range of the line.

  Moreover, in the said embodiment, although the cross-section circular bottle washing nozzle is integrally provided in the concentrate injection path 109, a separate body may be sufficient and the cross-sectional shape of a nozzle is not limited to a circle. For example, as shown in FIG. 11, a bottle having a slit-like spout along the radial cross-section curve of the bottle opening part 110 so that the position of 1:30 of the bottle opening part 110 is at the center. The nozzle 162 can also be provided integrally. That is, the center (position at 10:30) of the remaining portion 39e is on a straight line that forms an angle of −45 ° with respect to the vertical line L1 passing through the center of the bottle opening portion 110 in the radial direction. The center (position at 1:30) is on a straight line forming an angle of + 45 ° with respect to L1.

  According to this example, since the width of the nozzle 162 is small in the radial direction of the concentrate injection path 109, the nozzle 162 is positioned higher (position closer to 0 o'clock) than when the nozzle 112 having a circular cross section is used. Even if it arrange | positions, it does not interfere with the lid | cover part 39c bent. Therefore, the liquid level (water level) of the return liquid in the radial cross section of the concentrate injection path 109 can be increased to the height of the edge of the remaining portion 39e at most as compared with the case where the nozzle 112 having a circular cross section is used. Therefore, the instantaneous flow rate of the bottle cleaning liquid supplied to the nozzle 162 can be increased as compared with the case where the nozzle 112 is used. This produces an advantage that the cleaning pressure of the first bottle 39 can be increased and the disinfecting liquid 86 can be prepared in a short time.

  In the above-described embodiment, the instantaneous flow rate of the bottle cleaning liquid 136 supplied to the bottle cleaning nozzle 112 is measured by the flow meter 115 as a measuring unit that measures the ejection amount of the bottle cleaning liquid 136 from the bottle cleaning nozzle 112. The measuring means and method are not limited to this, and a measuring means and method for measuring at least one of the instantaneous flow rate, the integrated flow rate, and the ejection time of the bottle cleaning liquid 136 may be used. For example, the instantaneous flow rate, the integrated flow rate, and the ejection time may be estimated based on the WP driving time or the like without using a flow meter.

  In the above embodiment, the cleaning liquid flow path 113 is branched from the dilution liquid flow path 117 using the electric three-way valve 114, and water (bottle cleaning liquid 136) is supplied from the bottle cleaning nozzle 112 through the cleaning liquid flow path 113 for a predetermined time. After injecting into the inside, the electric three-way valve 114 is switched so that water (diluent) is poured into the disinfectant tank 87 from the dilute channel 117 to dilute the concentrate 132. All the water for diluting the water may be passed through the bottle washing nozzle 112. According to this example, it takes a lot of time to dilute the concentrated liquid 132 (time to prepare the disinfecting liquid 86), but it becomes possible to omit the electric three-way valve 114 and the diluting liquid flow path 117, thereby simplifying the apparatus. There is a merit that you can. In this example, if the integrated flow rate supplied to the bottle cleaning nozzle 112 is measured by the flow meter 115, the disinfecting liquid sensor 119 can be omitted.

  In the above embodiment, after the concentrated liquid 132 is supplied to the disinfecting liquid tank 87, the bottle cleaning liquid 136 ejected from the bottle cleaning nozzle 112 and the water poured from the diluent flow path 117 are supplied to the disinfecting liquid tank 87. Although the disinfecting liquid 86 is prepared by diluting the concentrated liquid 132, the disinfecting liquid 86 may be prepared by supplying the diluted liquid to the disinfecting liquid tank 87 before the concentrated liquid 132.

  Specifically, first, a fixed amount of water (diluent) is supplied from the diluting liquid flow path 117 to the disinfecting liquid tank 87, and then the attachment of a new bottle unit 38 is accepted and the concentrated liquid 132 and the buffering agent are disinfected. Finally, a certain amount of bottle cleaning liquid 136 is sprayed from the bottle cleaning nozzle 112 to clean the first bottle 39, and the return liquid is supplied to the disinfecting liquid tank 87 to prepare the disinfecting liquid 86. The amount of each of the diluted liquid, the concentrated liquid 132, and the bottle cleaning liquid 136 can be measured by using a liquid level detection sensor provided in the disinfecting liquid tank 87 or the flow meter 115.

  According to this example, the concentrated liquid 132 does not directly touch the disinfecting liquid tank 87 and the packing of each sensor, so that it is possible to prevent the disinfecting liquid tank 87 and the packing from being deteriorated and crystals are deposited in the disinfecting liquid tank 87. Can do. In addition, since the stirring effect is obtained by supplying the diluted solution, the concentrated solution 132, and the bottle cleaning solution 136 in this order, the concentration distribution of the disinfecting solution 86 can be made more uniform.

  In each of the above-described embodiments, the concentrated liquid 132 is substantially supplied by the user, but may be automatically performed by the device 28. For example, electromagnetic valves are provided in the concentrate injection path 109 and the buffer injection path, and the timing at which the concentrate 132 or the like is supplied from the bottle unit 38 to the disinfectant tank 87 is determined by the apparatus 28 itself. Moreover, although each said embodiment demonstrated the structure and process for wash | cleaning the 1st bottle 39 which enclosed the concentrate 132, the same structure and process are applied to the 2nd bottle 40 which enclosed the buffer. Applicable.

  The present invention can also be applied to an endoscope disinfection device that does not have an endoscope cleaning function. It can also be used for disinfection devices such as endoscope treatment tools and other medical instruments. The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the invention.

It is a top view which shows the structural example of an endoscope. It is a perspective view which shows the external appearance shape of the endoscope washing | cleaning disinfection apparatus of this invention. It is a top view which shows the structure of a washing tank. It is a piping diagram which shows the schematic piping system in an apparatus main body. It is a perspective view which shows the structure of a bottle attaching part and a bottle opening part. It is explanatory drawing which shows the positional relationship with a cover part, a bottle washing nozzle, and a return liquid. It is a block diagram which shows a part of electrical structure of an endoscope washing | cleaning disinfection apparatus. It is a flowchart which shows the process sequence of disinfection liquid preparation mode. It is explanatory drawing which shows the process order of disinfection liquid preparation mode. It is explanatory drawing which shows the example which provided two bottle washing nozzles. It is explanatory drawing which shows the example using the bottle washing nozzle which has a slit-shaped jet nozzle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Endoscope 28 Endoscope washing | cleaning disinfection apparatus 37 Bottle accommodating part 38 Bottle unit 39 1st bottle 39c Cover part 39e Remaining part 86 Disinfection liquid 87 Disinfection liquid tank 108 1st bottle attachment part 110 Bottle opening part 112,152a, 152b , 162 Bottle cleaning nozzle 113 Cleaning liquid flow path 114 Electric three-way valve 115 Flowmeter 117 Dilution liquid flow path 118 Concentrated liquid sensor 119 Disinfecting liquid sensor 132 Concentrated liquid 136 Bottle cleaning liquid

Claims (15)

The lid that closes the mouth of the bottle containing the disinfectant concentrate is broken from the mouth, leaving a portion, and the lid is folded into the bottle with the rest as a fulcrum. A bottle opening part that allows the concentrate to flow into the disinfectant tank by forming it at the mouth,
Provided in the bottle opening portion, and provided with a nozzle that ejects cleaning liquid toward the inside of the bottle,
The nozzle is arranged at a position higher than the level of the return liquid of the cleaning liquid ejected into the bottle without being sprayed on the lid part bent by the bottle opening part. And disinfection equipment. The bottle opening part breaks the lid part so that the center of the remaining part is located within a range of a line of about ± 90 ° with respect to a vertical line passing through the radial cross section center of the mouth part,
2. The disinfection according to claim 1, wherein the center of the nozzle is disposed outside the range of a line in which an angle between a radial cross-sectional center of the mouth and a straight line passing through the center of the remaining portion is approximately ± 45 °. apparatus. The bottle opening portion breaks the lid portion so that the center of the remaining portion is located on a line having an angle of approximately ± 45 ° with a vertical line passing through the radial center of the mouth portion,
The center of the nozzle is within the range of lines of approximately −45 ° and approximately −90 ° with respect to the vertical line (when the remainder is positioned on the line of approximately 45 °), or the angle formed with the vertical line is approximately. The disinfection device according to claim 2, wherein the disinfection device is disposed within a range of 45 ° and approximately 90 ° lines (when the remainder is located on a line of approximately -45 °). The bottle opening part breaks the lid part so that the center of the remaining part is located on the vertically upward line of the vertical line passing through the radial cross section center of the mouth part,
The center of the nozzle is disposed in at least one of a range of lines of about 45 ° and about 90 ° formed by a vertical line and a range of lines of about −45 ° and about −90 °. The disinfection apparatus according to claim 2, wherein the disinfection apparatus is provided.   The disinfection apparatus according to any one of claims 1 to 4, wherein the nozzle is integrally provided on an inner wall surface of the bottle opening part.   The disinfection apparatus according to any one of claims 1 to 5, wherein a plurality of the nozzles are provided.   The disinfection apparatus according to any one of claims 1 to 6, wherein the nozzle has a jet outlet having a circular cross section.   The disinfection apparatus according to any one of claims 1 to 7, wherein the nozzle has a slit-shaped jet nozzle.   The disinfecting apparatus according to claim 8, wherein the slit-shaped jet nozzle is formed along an inner wall surface shape of the bottle opening part. Cleaning liquid supply means for supplying a cleaning liquid to the nozzle;
Measuring means for measuring the ejection amount of the cleaning liquid ejected from the nozzle;
The disinfection apparatus according to any one of claims 1 to 9, further comprising a control unit that controls driving of the cleaning liquid supply unit so that an ejection amount falls within a predetermined range based on a measurement result of the measurement unit. The cleaning liquid supply means has a cleaning liquid flow path through which the cleaning liquid flows, and a pump that sends the cleaning liquid to the flow path,
The disinfecting apparatus according to claim 10, wherein the cleaning liquid flow path is branched from the diluting liquid flow path through which the diluting liquid supplied to the disinfecting liquid tank flows, and the pump is shared by the two flow paths. . Flow path switching means for switching the flow path is provided at the branching point of the cleaning liquid flow path and the diluent liquid flow path,
The control means drives the flow path switching means to switch the flow path from the cleaning liquid flow path to the dilution liquid flow path when the ejection amount of the cleaning liquid reaches a predetermined amount based on the measurement result of the measurement means. 12. The disinfection device according to claim 11, characterized in that   13. The pump according to claim 11, wherein the control unit controls the driving of the pump so that the supply amount of the dilution liquid to the dilution liquid channel is larger than the supply amount of the cleaning liquid to the cleaning liquid channel. Disinfection equipment.   The disinfecting apparatus according to any one of claims 10 to 13, wherein the measuring unit measures any one of an instantaneous flow rate of the cleaning liquid, an integrated flow rate, and an ejection time of the cleaning liquid. A first sensor for detecting that a predetermined amount of concentrate has been supplied to the disinfectant tank;
A second sensor for detecting that a predetermined amount of cleaning liquid or dilution liquid is supplied to the disinfecting liquid tank, and capable of adjusting a predetermined concentration of the disinfecting liquid by diluting the concentrated liquid;
The control means drives the cleaning liquid supply means when the first sensor detects that a predetermined amount of concentrated liquid is supplied to the disinfectant tank,
When the second sensor detects that a predetermined amount of cleaning liquid or dilution liquid has been supplied to the disinfecting liquid tank, driving of the cleaning liquid supply means is stopped, or supply of the diluting liquid to the disinfecting liquid tank is stopped. The disinfection device according to any one of claims 10 to 14, wherein

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