JP2006043332A - Method and device for washing instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an instrument washing method for performing sterilizing and washing not at high temperature and smoothly performing a sterilizing and washing work, and to provide its device. <P>SOLUTION: The device comprises a first tub 4 with an antiseptic solution injected thereto so as to soak an object to be washed and sterilize it; a second tub 5 with a wash solution injected thereto so as to soak the object to be washed, which is sterilized in the first tub 4, and wash it; and a third tub 6 having a dryer so as to dry the object to be washed which is washed in the second tub 5. The antiseptic solution contains sodium hypochlorite and anhydrous sodium metasilicate. The wash solution is alkaline electrolytic water. Each of the first tub 4 and the second tub 5 is equipped with an ultrasonic generator 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an instrument cleaning method and apparatus for disinfecting and cleaning an object to be cleaned such as a small medical instrument used in dentistry, a clinic or a hospital, for example, in a surgical operation or the like.

  Currently, there are an estimated 5 million patients with hepatitis B and C nationwide. As one cause of these hepatitis infections, hepatitis infection due to blood adhering to a small medical instrument used in dentistry has been pointed out.

  Conventionally, there has been a cleaning device that cleans deposits such as drugs and fillers attached to metal instruments used in dentistry with a cleaning liquid and dries (see Patent Document 1).

In addition, there are some which prevent hepatitis infection by ultrasonically cleaning a small instrument used for dental treatment and further disinfecting with autoclave steam.
JP-A-9-108642

  As in the past, it is not possible to prevent hepatitis contamination simply by washing and drying the deposits adhering to the metal instrument.

  In addition, the conventional autoclave steam sterilization method is not a good condition for a small appliance because it has a bad effect such as a sharpened portion of the metal small appliance becoming hot.

  In the clinic, depending on the scale, the ultrasonic oscillating device for cleaning and the autoclave steam disinfecting device are usually placed away from each other due to the convenience of the facilities, so that the operations such as cleaning and disinfection are poorly linked.

  Accordingly, an object of the present invention is to provide an instrument cleaning method and apparatus that can be disinfected and cleaned without increasing the temperature and that can be performed smoothly.

  The instrument cleaning method of the present invention includes a first step of immersing an object to be cleaned in a disinfectant, a second step of cleaning the disinfectant adhering to the object to be cleaned, and drying the object to be cleaned. Including the third step.

  In the above configuration, the disinfectant includes a hypochlorite disinfectant and a sodium silicate buffer.

  In the above configuration, the hypochlorite disinfectant is sodium hypochlorite, and the buffer is anhydrous sodium metasilicate.

  In the above configuration, the cleaning liquid for cleaning the object to be cleaned is alkaline electrolyzed water.

  The said structure WHEREIN: Both a said 1st process and a 2nd process applies an ultrasonic wave intermittently in a liquid.

  The instrument cleaning apparatus according to the present invention injects a first tank into which a disinfectant for sterilizing and sterilizing a body to be cleaned, and a cleaning liquid for immersing and cleaning the body to be cleaned disinfected in the first tank. And a third tank that has a drying device and dries the object to be cleaned that has been cleaned in the second tank.

  In the above-described configuration, a common case having an opening for storing the first tank, the second tank, and the third tank, and a lid for closing the opening of the case are provided.

  The said structure WHEREIN: The said 1st tank and the said 2nd tank have an ultrasonic oscillation apparatus which applies an ultrasonic wave to the liquid in a tank.

  The said structure WHEREIN: It is a net | network container which accommodates the said to-be-cleaned body, Comprising: It has a net | network pallet withdrawing / inserting in said 1st tank, said 2nd tank, and said 3rd tank.

  In the above configuration, the third tank has an exhaust hole and an intake hole on an inner wall, the drying device is a blower drying device, and the suction connected to the exhaust hole in the case outside the third tank It has a port and a discharge port connected to the air supply hole.

  The instrument cleaning apparatus according to the present invention includes a first tank for selectively injecting a disinfecting solution for immersing and sterilizing the object to be cleaned and a cleaning solution for immersing and cleaning the object to be cleaned disinfected by the disinfecting liquid. And a second tank that has a drying device and dries the object to be cleaned that has been cleaned in the first tank.

  In the above configuration, the disinfecting liquid supply / discharge device that supplies the disinfecting liquid to the first tank and discharges the disinfecting liquid from the first tank, and the cleaning liquid is supplied to the first tank. A cleaning liquid supply / discharge device that drains the cleaning liquid from the tank, a net pallet that is formed by a net-made container and that accommodates an object to be cleaned and can be selectively inserted into the first tank and the second tank; A moving device having a moving body movable between the first tank and the second tank, and moving the moving body to move the mesh pallet to the first tank or the And a lifting device for taking in and out of the second tank.

  The instrument cleaning apparatus according to the present invention includes a first tank for injecting a disinfectant for sterilizing a body to be cleaned, a second tank having openable and closable air supply holes and exhaust holes, the air supply holes and the exhaust gas. A cleaning liquid supply / discharge device for injecting cleaning liquid for immersing and cleaning the sterilized object with the holes closed and draining the cleaning liquid in the second tank, and opening the air supply holes and the exhaust holes And a blower drying device for drying the object to be cleaned in the second tank.

  The appliance cleaning apparatus of the present invention is a tank having an air supply hole and an exhaust hole that can be freely opened and closed, and a sterilizing solution that injects and disinfects the object to be cleaned in a state where the air supply hole and the exhaust hole are closed. A disinfecting liquid supply / discharge device for discharging the disinfecting liquid, and a cleaning liquid for immersing and cleaning the object to be cleaned in a state where the air supply hole and the exhaust hole are closed, and the cleaning liquid in the tank The apparatus is provided with a cleaning liquid supply / drainage device for draining water and a blower drying device for drying the object to be cleaned in the tank with the air supply hole and the exhaust hole opened.

  The said structure WHEREIN: The tank from which the said washing | cleaning liquid was drained is wash | cleaned using the said washing | cleaning liquid.

  According to the instrument cleaning method of the present invention, the object to be cleaned can be cleaned and sterilized without increasing the temperature thereof, because it is immersed in a disinfectant solution, cleaned, and dried. In addition, the disinfecting solution, the cleaning solution, and the drying device can be placed side by side, so that there is no problem with facilities and the like, so a series of operations can be performed smoothly.

  The disinfectant contains a hypochlorite-based disinfectant and a sodium silicate-based buffer, so that it can not only disinfect, for example, blood-borne viruses, but also suppress changes over time in the disinfecting effect, in a stable state. The sterilizing effect can be maintained for a long time, and corrosion of the object to be cleaned can be prevented.

  In the first step and the second step, when ultrasonic waves are intermittently applied to the liquid, the adhered matter on the object to be cleaned can be quickly released from the surface, so that the disinfection effect can be efficiently performed.

  According to the instrument cleaning apparatus of the present invention, the object to be cleaned can be disinfected, cleaned and dried in the first tank, the second tank, and the third tank. Work can be made easier.

  Providing a common case for storing the first tank, the second tank, and the third tank is convenient because the three tanks can be installed and transported as one unit.

  By preparing a net pallet that accommodates the object to be cleaned and puts it in and out of the first tank, the second tank, and the third tank, a plurality of objects to be cleaned are put in and out of the first tank at a time. This makes it extremely easy to work, and it is possible to work without touching the disinfectant or cleaning solution without wearing gloves.

  By circulating the air between the third tank and the case, outside air is not taken in during drying, so that the object to be cleaned is not contaminated by outside air without the need for a filter.

  The size of the apparatus can be reduced by using two or one tank. Further, by automating a series of operations such as disinfection, cleaning, and drying, man-made operations are reduced, so that work efficiency in dental treatment and the like can be improved and the disinfectant can be prevented from adhering to the human body. In addition, it is possible to prevent the rusting of the metal instrument due to leaving after disinfection or cleaning.

  A device cleaning apparatus according to a first embodiment of the present invention will be described with reference to FIGS. The top of the case 1 is closed by a lid 3 that can be freely opened and closed, and three openings 2 of approximately the same size are formed side by side on the top, and the first tank 4, the second tank 5, and the third tank 6 are respectively formed. Is detachably fitted. These tanks 4 to 6 protrude from the periphery of the opening by bending the bent portion 7 outward, and are supported by the case 1 detachably by engaging the bent portion 7 with the periphery of the opening 2. The bottom of each of the first tank 4, the second tank 5, and the third tank 6 is provided with a drain port 8, one end of the drain hose 11 is connected to the drain port 8, and the other end serving as the outer end The portion is hooked and held on a hook-like stopper 10 provided on the back surface through a drainage hole 9 formed on the back surface side of the case 1. The height of the outer end of the drain hose 11 is set higher than the liquid level to be injected into the tank so that the drain hose 11 is not discharged. An ultrasonic oscillator 12 is attached to the outer bottom surfaces of the first tank 4 and the second tank 5. The third tank 6 is provided with an exhaust hole 14 and an air supply hole 15 on the side wall. A blower / dryer with heater 16 is installed as a drying device below the third tank 6 in the case 1, the discharge port 17 is connected to the air supply hole 15, and the suction port 18 is connected to the exhaust hole 14. Further, the opening of the third tank 6 is closed by the cover 19, and warm air is circulated between the third tank 6 and the case 1 by the blower / dryer 16 without the outside air entering the third tank 6. ing. Reference numeral 19 a denotes a handle of the cover 19. The mesh pallet 20 is a mesh container formed of a mesh body into which a plurality of objects to be cleaned are placed. The mesh pallet 20 is sized so as to be able to be taken in and out of the respective tanks 4 to 6 and has gripping portions 20a at both ends. The cover 19 of the third tank 6 is provided with a hole through which the gripping portion 20a protrudes. Examples of the object to be cleaned put in the mesh pallet 20 include a steel bar, a reamer, and a surgical instrument in the case of a small medical instrument.

  An operation panel 21 is provided on the front side of the case 1, and an operation circuit 29 is provided on the back side of the operation panel 21. The operation panel 21 is provided with switches 22 to 24, a timer (not shown), and indicator lamps 25 to 27 corresponding to the tanks 4 to 6, respectively. In the operation circuit 29, the timer is operated by operating the switches 22 and 23 for operating the first tank 4 and the second tank 5, and at the same time, the ultrasonic oscillator 12 is operated during the operation of the timer, and the indicator lamps 25 and 26 are operated. The circuit is configured to light up. The circuit is configured such that the timer is operated by operating the switch 24 for operating the third tank 6, the blower drying device 16 is operated during the operation of the timer, and the indicator lamp 27 is lit.

The disinfectant injected into the first tank 4 is a hypochlorite sodium hypochlorite added with a sodium silicate buffer, such as anhydrous sodium metasilicate.
Sodium hypochlorite is a drug recognized by the Ministry of Labor and Welfare as being effective against blood-borne viruses. The buffering agent has an effect of maintaining a disinfecting effect that suppresses a change in concentration over time and prevents corrosion of a metal container. In the case of a disinfectant having a concentration of 2000 ppm, as a solvent, for example, 0.2% of hypochlorite sodium hypochlorite and about 0.5% to 2% of anhydrous sodium metasilicate are added to water. . Addition of sodium carbonate has a synergistic effect. The object to be cleaned is immersed in the disinfectant for about 1 hour. In the meantime, ultrasonic waves are intermittently applied 2 to 3 times and 5 to 10 minutes. Thereby, the blood infectious virus adhering to the object to be cleaned is efficiently disinfected, and the object to be cleaned is rusted by the effect of the buffer. When the liquid has been used, the outer end of the drain hose 11 is removed from the stopper 10 and lowered below the liquid level of the first tank 4, and since the virus has been sterilized, it is discharged into normal sewage.

  Alkaline electrolyzed water is injected into the second tank 5 as a cleaning liquid for cleaning the disinfecting liquid. The object to be cleaned is cleaned while applying ultrasonic waves for 5 to 10 minutes while being immersed in the cleaning liquid. In addition, the disinfecting liquid in the first tank 4 and the cleaning liquid in the second tank 5 are changed about once a day.

  In the third tank 6, hot air is circulated in the third tank 6 and the case 1 by the blower drying device 16 to dry the object to be cleaned. That is, warm air is blown into the third tank 6 from the discharge port 17 of the blower drying device 16 through the air supply hole 15, and returned to the blower drying device 16 from the suction port 18 through the exhaust hole 14. If the heater provided in the blower drying device 16 is not operated, cold air is generated. Since air is not sucked from the outside in this way, the object to be cleaned is not contaminated by the outside air during drying, and it is not necessary to provide a filter.

  Regarding the dimensions of the tanks 4 to 6, for example, in the case of a dentist, the size is such that a net pallet of about 250 mm in length, 100 mm in width, and about 100 mm in height is matched to the size of a small instrument that is standardly used by dentists. To do.

  In this instrument cleaning method, the object to be cleaned is immersed in a disinfecting liquid, the disinfecting liquid adhering to the object to be cleaned is cleaned, and the cleaned object to be cleaned is dried. First, a plurality of objects to be cleaned are placed in the mesh pallet 20, and the mesh pallet 20 is inserted into the first tank 4 containing the disinfectant, so that the object to be cleaned is immersed in the disinfectant. Before the object to be cleaned is immersed in the first tank 4, the object is suddenly immersed in the first tank 4 without preliminary cleaning with tap water or the like. This is because the wastewater treatment method by the pre-cleaning will run down and the infection prevention system becomes meaningless.

  Next, when the object to be cleaned is cleaned, the object to be cleaned is moved manually. That is, the net pallet 20 of the first tank 4 is taken out from the first tank 4 and directly put into the second tank 5 containing the cleaning liquid, or the object to be cleaned is transferred to another net pallet 20 and the net pallet. 20 is put in the 2nd tank 5, and a to-be-cleaned body is immersed in a washing | cleaning liquid. Even when the cleaned object to be cleaned is dried, the object to be cleaned is manually moved, put into the third tank 6 from the second tank 5 by the mesh pallet 20, and dried by the blower dryer. The processing in each of the tanks 4 to 6 is as described above.

  A device cleaning apparatus according to a second embodiment of the present invention will be described with reference to FIGS. The main body of the equipment cleaning device is installed on the upper shelf 31 of the three-stage shelf device 30, the disinfecting liquid tank 33 is installed on the middle shelf 32, and the cleaning liquid tank 35 is installed on the lower shelf 34. . The second embodiment is different from the first embodiment in the two-tank type including the first tank 40 and the second tank 41, and the disinfecting liquid supply / discharge device 36 and the cleaning liquid supply / discharge device 45. And a fully automatic system having the moving device 51.

  The first tank 40 is first filled with a disinfecting liquid, and after the disinfecting liquid is removed from the first tank 40 after the disinfection, the cleaning liquid is put therein. The disinfecting liquid supply / discharge device 36 includes a pump 37 and a switching valve 38, and the front end of the liquid supply pipe 39 connected to the suction side of the pump 37 is inserted into the bottom of the disinfecting liquid tank 33. The discharge side is connected by the first tank 40 supply / discharge pipe 42 via the switching valve 38, and the tip of the drain pipe 43 connected to the switching valve 39 is inserted in the sterilization tank 33. You may make it discharge | emit outside. When supplying the disinfecting liquid to the first tank 40, the switching valve 38 is switched so that the pump 37 and the first tank 40 are connected, and the pump 37 is operated to supply the disinfecting liquid from the disinfecting liquid tank 33 to the first tank 40. To supply. When the disinfecting liquid in the first tank 40 is discharged after the disinfection is completed, the pump 37 is stopped and the switching valve 38 is switched so that the first tank 40 and the drainage pipe 43 are connected. Thereby, the disinfectant in the first tank 40 falls from the drainage pipe 43 by its own weight.

  The cleaning liquid supply / discharge device 45 is also composed of a pump 46 and a switching valve 47, and the tip of the liquid supply pipe 48 connected to the suction side of the pump 46 is inserted into the bottom portion in the cleaning liquid tank 35. The discharge side is connected to the first tank 40 and the supply / discharge pipe 48 via the switching valve 47, and the tip of the drain pipe 49 connected to the switching valve 47 is inserted into the cleaning liquid tank 35. 35 may be discharged to the outside. When supplying the cleaning liquid to the first tank 40, the switching valve 47 is switched so that the pump 46 and the first tank 40 are connected, and the pump 46 is operated to supply the cleaning liquid from the cleaning liquid tank 35 to the first tank 40. To be supplied. When the cleaning liquid in the first tank 40 is drained, the pump 46 is stopped and the switching valve 47 is switched so that the first tank 40 and the drain pipe 49 are connected. As a result, the cleaning liquid in the first tank 40 falls from the drainage pipe 49 by its own weight.

  The object to be cleaned is inserted into the mesh pallet 20 to be disinfected and cleaned, and the ultrasonic oscillating device 12 is provided in the first tank 40 as in the first embodiment.

  The moving device 51 includes a guide rail 52 and a moving body 53. The guide rail 52 is installed below the first tank 40 and the second tank 41 in the case 1 in parallel with the arrangement direction of the first tank 40 and the second tank 41. A moving body 53 is provided on the guide rail 52 so as to be reciprocally movable, and a linear motor is used as a driving means thereof. The moving body 53 is provided with an elevating device 54, and the elevating device 54 has a cylinder 46 extending vertically upward, along both sides of the first tank 40 and the second tank 41 provided in the case 1. The extended slit 55 projects into the outer lid 3 and engages with the grip 20 a of the mesh pallet 20. As an example of the lifting device 54, a piston (not shown) is provided in the cylinder 46. For example, a cylinder device that moves the piston up and down with a hydraulic pump device and lifts the net pallet 20 with the piston is used. The lifting device 54 lifts the mesh pallet 20 to the extent that it exits the first tank 40. In this state, the movable body 53 is moved along the guide rail 52 so that the mesh pallet 20 faces the second tank 41, and then lifts and lowers. The device 54 is moved down to insert the mesh pallet 20 into the second tank 41. The 2nd tank 41 is the same structure as the 3rd tank 6 of 1st Embodiment, and drying is performed with the ventilation drying apparatus 16. FIG. Others are common to the first embodiment.

  The automatic cleaning operation of this instrument cleaning apparatus will be described. The nuclear tanks 33 and 35 start from a full state. A plurality of objects to be cleaned are placed in the mesh pallet 20, and the mesh pallet 20 is inserted into the first tank 40. The switching valve 38 and the pump 37 are operated to supply the disinfecting liquid from the disinfecting liquid tank 33 into the first tank 40. When the first tank 40 fills a predetermined capacity, the pump 37 is stopped and the switching valve 38 is closed. The injection volume is set by a level meter (not shown) that generates a signal when the liquid level is constant, time measurement, or the like. In this state, the object to be cleaned is immersed in the disinfectant for about 1 hour as described above, and during that time, ultrasonic cleaning is performed 2 to 3 times for 5 to 10 minutes.

  Subsequently, the switching valve 38 is switched, and the disinfecting liquid is returned to the disinfecting liquid tank 33 or discharged outside the disinfecting liquid tank 33.

  When the disinfectant is completely removed from the first tank 40, it is detected by a level meter or the like, and the switching valve 38 is closed. The switching valve 47 for the cleaning liquid is switched from the state in which the first tank 40 is closed, and the pump 46 is operated to inject the cleaning liquid from the cleaning liquid tank 35 into the first tank 40. The injection volume is set using a level meter or time measurement. When the first tank 40 is filled to a certain height, the pump 46 is stopped, the switching valve 47 is switched, and the first tank 40 is closed. The ultrasonic oscillator 12 is operated to perform ultrasonic cleaning for 5 to 10 minutes. After the cleaning, the switching valve 47 is switched to connect the first tank 40 and the drainage pipe 49 so that the cleaning liquid is returned to the tank 35 or drained to the outside.

  Simultaneously with this draining step, the net pallet 20 is moved to the second tank 41 by the blower drying device 16 and the moving body 53. In the second tank 41, the air drying apparatus 16 performs hot air drying for a predetermined time required for sufficient drying.

  Each device is controlled by the control device so that the above operation is automatically and continuously performed. On the other hand, on the front surface of the case 1, there are an operation switch 60 of the disinfecting liquid supply / discharge device 36, an operation switch 61 of the cleaning liquid supply / discharge device 45, an operation switch 62 of the blower drying device 16, and an operation switch 63 of the moving device 51. There are indicator lights 60a to 63a corresponding to 60 to 63, and each switch 60 to 63 can be manually operated individually.

  In addition, the disinfecting liquid and the cleaning liquid in the tanks 33 and 35 are replaced with new ones once a day, and the liquid returned to the tanks 33 and 35 is used for disinfecting and cleaning during that period.

  A third embodiment of the present invention will be described with reference to FIGS. The difference between this apparatus cleaning device and the second embodiment is that there is one tank and there is no moving device 51.

  The tank 70 is provided with an air supply hole 15 and an exhaust hole 14 in the same manner as the third tank 6 of the first embodiment. Further, gate valves 71 and 72 are provided for these. Via these gate valves 71, 72, the discharge port 17 of the blower drying device 16 is connected to the air supply hole 15, and the suction port 18 is connected to the exhaust hole 14. Further, similarly to the configuration of the first tank 40 of the second embodiment, two supply / discharge pipes 42 and 48 are connected to the tank 70, and connected to the disinfecting liquid supply / discharge apparatus 36 and the cleaning liquid supply / discharge apparatus 45. ing.

  The switch 75 on the front panel 78 of the case 1 starts the injection of the disinfectant into the tank 70 by turning on the switch 75, disinfects for a certain period of time, and discharges the solution. When the switch 76 is turned on, injection of the cleaning liquid into the tank 70 is started, the object to be cleaned is ultrasonically cleaned, and the liquid is discharged. The switch 77 performs a process of opening the gate valves 71 and 72 and operating the blower drying device 16 to perform drying by turning on the switch 77. The indicator lamps 75a to 77a adjacent to the switches 75 to 77 are lit during operation by the operations of the switches 75 to 77.

  The disinfection cleaning operation of the instrument cleaning apparatus will be described. Each tank 33, 35 starts to be used from a full state. First, the gate valves 71 and 72 are closed, and a disinfectant is supplied from the tank 33 into the tank 70 to disinfect the object to be cleaned. Next, the disinfectant is drained and the cleaning liquid is supplied to the tank 70 to clean the object to be cleaned. This operation is the same as the operation of the first tank 40 of the second embodiment. After the cleaning, the cleaning liquid is returned to the tank 35, or the drying is started in a state where the cleaning liquid is completely removed from the post-drain tank 70. First, the gate valves 71 and 72 of the air supply hole 15 and the exhaust hole 14 are opened, and the blower drying device 16 is operated. Thereby, warm air is blown into the tank 70 to dry the object to be cleaned.

  In the two-tank type apparatus cleaning apparatus of the present invention, it is also possible to inject a disinfectant solution in the first tank 40 to only disinfect the object to be cleaned, and to perform cleaning and drying in the second tank 41. . In this case, the configuration of the second tank 41 is the same as the configuration without the disinfectant supply / discharge device 36 in the third embodiment.

  In the present invention, in the case of a fully automatic type, the inside of the tank may be cleaned (flushing) with the same liquid after draining after each cleaning. Tank flushing with a disinfectant after disinfection is also possible.

  Furthermore, in this invention, it is also possible to carry out manually in the 1 tank type and the 2 tank type as the instrument cleaning method.

  Further, instead of the drain hose 11, a drainage pipe with a valve may be connected.

  Furthermore, in a tank with a drying device, it may be naturally dried without a drying device.

  Further, the driving means for raising and lowering and moving the moving device 51 is not limited to the above, and other means can be used.

  Furthermore, it can be applied not only to dentistry but also to general medicine depending on the capacity of the tank.

  The means for cleaning the object to be cleaned and the means for drying are not limited to the above embodiment, and other means can be used.

It is a perspective view in the state where the lid of a 1st embodiment of the instrument washing device of this invention was opened. It is the schematic sectional drawing. It is sectional drawing containing a 1st tank. It is sectional drawing containing a 3rd tank. It is a perspective view of 2nd Embodiment. It is a side view which shows the wiring relationship between the main body of an instrument washing | cleaning apparatus, and a tank. It is explanatory drawing which shows a guide rail and a raising / lowering apparatus. It is a perspective view of 3rd Embodiment. It is a schematic explanatory drawing which shows an internal structure. It is a side view which shows the wiring relationship between the main body of an instrument washing | cleaning apparatus, and a tank.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 2 Opening 3 Lid 4 1st tank 5 2nd tank 6 3rd tank 11 Drain hose 12 Ultrasonic oscillator 14 Exhaust hole 15 Air supply hole 16 Blowing and drying apparatus 17 Discharge port 18 Suction port 20 Net palette 36 Disinfection Liquid supply / discharge device 40 First tank 41 Second tank 45 Cleaning liquid supply / discharge device 51 Moving device 70 Tank

Claims (15)

  Instrument cleaning comprising a first step of immersing the object to be cleaned in a disinfectant, a second step of cleaning the disinfectant adhering to the object to be cleaned, and a third step of drying the cleaned object to be cleaned Method.   The instrument cleaning method according to claim 1, wherein the disinfectant includes a hypochlorite disinfectant and a sodium silicate buffer.   The instrument cleaning method according to claim 2, wherein the hypochlorite-based disinfectant is sodium hypochlorite and the buffer is anhydrous sodium metasilicate.   The method for cleaning an appliance according to claim 1, wherein the cleaning liquid for cleaning the object to be cleaned is alkaline electrolyzed water.   The instrument cleaning method according to claim 1, wherein in both the first step and the second step, ultrasonic waves are intermittently applied to the liquid.   A first tank into which a disinfecting solution for immersing and sterilizing the object to be cleaned is injected; a second tank into which a cleaning liquid for immersing and cleaning the object to be cleaned disinfected in the first tank; A device cleaning apparatus comprising: a third tank that has an apparatus and dries the object to be cleaned that has been cleaned in the second tank.   The instrument cleaning apparatus according to claim 6, comprising a common case having an opening for housing the first tank, the second tank, and the third tank, and a lid for closing the opening of the case.   The instrument cleaning apparatus according to claim 6 or 7, wherein the first tank and the second tank include an ultrasonic oscillator that applies ultrasonic waves to the liquid in the tank.   The apparatus cleaning apparatus according to claim 6 or 7, wherein the apparatus is a net container for storing the object to be cleaned, and has a net pallet to be taken in and out of the first tank, the second tank, and the third tank. .   The third tank has an exhaust hole and an air supply hole on an inner wall, the drying device is a blower drying device, and has a suction port connected to the exhaust hole in the case outside the third tank. The instrument cleaning apparatus according to claim 7, further comprising a discharge port connected to the air supply hole.   A first tank for selectively injecting a disinfecting solution for immersing and sterilizing the object to be cleaned, and a cleaning solution for immersing and cleaning the object to be cleaned disinfected by the disinfecting liquid; and a drying device. A device cleaning apparatus comprising: a second tank for drying the object to be cleaned which has been cleaned in one tank.   A disinfecting liquid supply / discharge device for supplying the disinfecting liquid to the first tank and discharging the disinfecting liquid from the first tank; and supplying the cleaning liquid to the first tank; A cleaning liquid supply / discharge device for draining the cleaning liquid, a net pallet formed by a net container for storing the object to be cleaned and selectively inserted into the first tank and the second tank; A moving device having a movable body movable between the tank and the second tank, and the net pallet provided in the movable body by moving the movable body, the first tank or the second tank. The apparatus cleaning apparatus of Claim 11 which has a raising / lowering apparatus which puts in / out.   First tank for injecting a disinfectant for immersing the object to be cleaned and disinfecting, second tank having openable and closable air supply holes and exhaust holes, and sterilized with the air supply holes and the exhaust holes closed A cleaning liquid supply / discharge device for injecting a cleaning liquid for immersing and cleaning the object to be cleaned and draining the cleaning liquid in the second tank, and the second tank with the air supply holes and the exhaust holes opened. An appliance cleaning device comprising a blower drying device for drying the object to be cleaned.   A tank having an openable and closable air supply hole and an exhaust hole, and a disinfectant liquid to be sterilized by immersing the object to be cleaned in a state where the air supply hole and the exhaust hole are closed, and the disinfectant liquid in the tank is drained. Disinfectant supply / discharge device, and cleaning solution supply / discharge device for injecting a cleaning solution for immersing and cleaning the object to be cleaned which is disinfected with the air supply hole and the exhaust hole closed, and discharging the cleaning solution in the tank And a blower drying device for drying the object to be cleaned in the tank with the air supply hole and the exhaust hole being opened. The instrument cleaning apparatus according to claim 6, wherein the tank from which the cleaning liquid has been drained is cleaned using the cleaning liquid.

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