CN107716397B - Cleaning operation method and cleaning operation device for endoscope center - Google Patents

Cleaning operation method and cleaning operation device for endoscope center Download PDF

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Publication number
CN107716397B
CN107716397B CN201710969312.7A CN201710969312A CN107716397B CN 107716397 B CN107716397 B CN 107716397B CN 201710969312 A CN201710969312 A CN 201710969312A CN 107716397 B CN107716397 B CN 107716397B
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cleaning
endoscope
tank
polluted
drying
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CN107716397A (en
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顾青
程瑛
胡海霞
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First Affiliated Hospital of Zhejiang University School of Medicine
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First Affiliated Hospital of Zhejiang University School of Medicine
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18Liquid substances or solutions comprising solids or dissolved gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143Wipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects

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  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention provides a cleaning operation method of an endoscope center, which comprises the following steps: step A, after a polluted endoscope is taken out of a patient body in a diagnosis and treatment room, carrying out bedside pretreatment, conveying the endoscope to a cleaning area through a first transmission window which is connected to the endoscope diagnosis and treatment room and an endoscope reprocessing polluted area, putting the polluted endoscope into a pre-cleaning tank, flushing water containing medical cleaning liquid into the pre-cleaning tank, and carrying out first flushing and cleaning with foam containing the cleaning agent on the outer surface of the polluted endoscope; b, detaching all endoscope buttons, brushing all cavities of the endoscope by large and small brushes, perfusing all cavities of the endoscope with medical cleaning liquid for 60 seconds and injecting filtered clean compressed air for 30 seconds by using a full-pipeline manager configured in a pre-cleaning tank so as to dry the cavities; and step C, stopping flushing water containing medical cleaning fluid in the pre-cleaning tank, starting to repeatedly flush clear water, and flushing the polluted endoscope for the second time for 15 seconds.

Description

Cleaning operation method and cleaning operation device for endoscope center
Technical Field
The invention belongs to the field of cleaning and disinfecting operation of medical endoscopes, and particularly relates to a cleaning operation method and a cleaning operation device for an endoscope center.
Background
With the rapid development of endoscopic diagnosis and treatment technologies and the popularization and promotion of clinical applications, cross-infection related to endoscopic diagnosis and treatment is frequently reported. According to the requirements of the sanitary industry standard 'soft endoscope cleaning and disinfecting technical specification', the cleaning and disinfecting process flow is divided from sewage to clean and clean sewage. Researches show that the endoscope after being washed and disinfected still can detect various pathogens, which indicates that irregular operation or even inspection and supervision loopholes exist in the cleaning and disinfection process of a practitioner. Therefore, a set of complete and standard automatic endoscope cleaning and disinfecting process is designed, and the occurrence of infection can be reduced or avoided to a great extent.
Disclosure of Invention
The invention aims to improve the smoothness of an endoscope reprocessing process, improve the sensing and controlling concept, ensure the secondary pollution-free rate of the endoscope, track the information of the whole endoscope process and further perform endoscope safety management more normatively.
The invention provides a cleaning operation method of an endoscope center, which comprises the following steps:
step A, after a polluted endoscope is taken out of a patient body in a diagnosis and treatment room, carrying out bedside pretreatment, conveying the endoscope to a cleaning area through a first transmission window which is connected to the endoscope diagnosis and treatment room and an endoscope reprocessing polluted area, putting the polluted endoscope into a pre-cleaning tank, flushing water containing medical cleaning liquid into the pre-cleaning tank, and carrying out first flushing and cleaning with foam containing the cleaning agent on the outer surface of the polluted endoscope;
b, detaching all endoscope buttons, brushing all cavities of the endoscope by large and small brushes, perfusing all cavities of the endoscope with medical cleaning liquid for 60 seconds by a full-pipeline perfusion device configured in the pre-cleaning tank, and injecting filtered clean compressed air for 30 seconds to dry the cavities;
c, stopping flushing water containing medical cleaning fluid in the pre-cleaning tank, starting to repeatedly flush clear water, and flushing the polluted endoscope for the second time for 15 seconds;
d, starting to extract liquid in the pre-cleaning tank until no water exists in the tank, then taking out the polluted endoscope, and drying the surface of the endoscope by using an air gun;
step E, conveying the polluted endoscope to an automatic cleaning and disinfecting machine through a first conveying belt, wherein the opening of each cavity of the endoscope is connected with a perfusion pipeline of the automatic cleaning and disinfecting machine, the automatic cleaning and disinfecting machine is driven by a power pump, and the automatic cleaning and disinfecting machine is used for cleaning, disinfecting and sterilizing the pipeline in the polluted endoscope;
and F, conveying the endoscope after being sterilized and cleaned by the automatic cleaning and sterilizing machine to a drying area by a second conveying belt, performing air gun blowing type drying at a drying device for the drying area, and finally conveying a finished product by a third conveying belt.
For the above steps, the contaminated endoscope in the step D is isolated from the outside when being transported on the first transport belt, the second transport belt and the third transport belt.
The invention has the beneficial effects that: the invention additionally provides the pre-cleaning of the steps A to C, the pre-cleaning is a first step of cleaning and disinfection, various organic and inorganic substances on the outer surface of the endoscope are removed as early as possible, if the real-time treatment is not carried out, protein fragments remained in the lumen can be hardened, and a biomembrane is accumulated on the surface of the endoscope and in the lumen, so that the subsequent cleaning and disinfection effect is influenced, then the endoscope is cleaned and disinfected by the automatic cleaning and disinfecting machine in a second step, the key point is that the polluted endoscope inner pipelines are separated and cleaned and disinfected by the automatic cleaning and disinfecting machine in a one-to-one correspondence manner, namely the polluted endoscope inner pipelines are not cleaned and disinfected by the automatic cleaning and disinfecting machine in a separated manner in a more-to-one manner, and meanwhile, the polluted endoscope is sequentially conveyed and treated by the first conveying belt, the second conveying belt and the third conveying belt according to the steps A to E, namely, one area is transferred to another area according to the sequence of the pre-cleaning-disinfecting-drying method, and the secondary pollution is avoided.
Meanwhile, the invention also provides a cleaning operation device of the cleaning operation method of the endoscope center, which is characterized in that: this device is including wasing district, disinfection district and drying area in proper order, set up the preliminary cleaning groove in the washing district, set up the self-cleaning sterilizing machine in the disinfection district, set up drying equipment in the drying area, the preliminary cleaning groove is linked with the self-cleaning sterilizing machine through first transmission band, the self-cleaning sterilizing machine is connected with drying equipment through the second transmission band, and drying equipment passes through third transmission band output, the preliminary cleaning groove includes the washing tank, the washing tank inner wall is opened has medical washing liquid delivery outlet, clear water delivery outlet, air delivery outlet and drawing liquid hole, medical washing liquid delivery outlet and the medical washing liquid storage bucket intercommunication that sets up in the washing tank outside, the clear water delivery outlet communicates with the clear water storage bucket that sets up in the washing tank outside, the preliminary cleaning groove outer wall is equipped with the aspiration pump of taking the filter, aspiration pump and air delivery outlet intercommunication, drawing liquid hole and the suction pipe connection of setting at the lateral wall in advance, the suction pipe is connected at the outside bilge pit of preliminary cleaning groove through aspiration pump and a setting in preliminary cleaning tank, the one end setting in first transmission band sets up the tank bottom in advance in the washing tank, first transmission band begins to erect to the self-cleaning groove bottom of washing sterilizing machine by the tank in advance.
The individual components of the invention are explained in detail below:
the automatic cleaning and sterilizing machine comprises a shell, the upper end face of the shell is provided with a row of 7 endoscope pipeline insertion holes, a row of parallel cleaning channels corresponding to the endoscope pipeline insertion holes are arranged in the shell, the lower ends of the cleaning channels are connected to a cleaning liquid container barrel through a power pump respectively, a flow detector and a temperature sensor are arranged in the cleaning channels respectively, the upper end face of the shell is provided with an automatic feeding sliding door, the lower end face of the shell is provided with an automatic discharging sliding door, and an endoscope transmission belt is arranged between the automatic feeding sliding door and the automatic discharging sliding door.
The shell endoscope pipeline insertion opening is provided with a rotary spraying arm used for spraying and washing the inside of the endoscope pipeline at a full angle.
A timer is arranged in the shell.
The drying equipment is an air blowing type air gun.
The equipment related by the invention has the following beneficial effects: the endoscope cleaning and disinfecting device comprises a cleaning area, a disinfecting area and a drying area in sequence, wherein a pre-cleaning tank is arranged in the cleaning area, an automatic cleaning and disinfecting machine is arranged in the disinfecting area, drying equipment is arranged in the drying area, the concept of regional treatment is realized, the pre-cleaning tank is designed aiming at the method steps A-E, namely, 7 pipelines of the automatic cleaning and disinfecting machine are designed to correspondingly clean and disinfect endoscope pipelines one by one in the method step D, after all, the flow calibers of different pipelines in an endoscope are different, so that the preset 7 pipelines can purposefully clean the endoscope pipelines in a separated mode, and finally, the endoscope pipelines are dried through an air blowing type air gun.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1, the present invention provides a method for cleaning an endoscope center, comprising the following steps:
step A, after a polluted endoscope is taken out of a patient body in a diagnosis and treatment room, carrying out bedside pretreatment, conveying the endoscope to a cleaning area through a first transmission window which is connected to the endoscope diagnosis and treatment room and an endoscope reprocessing polluted area, putting the polluted endoscope into a pre-cleaning tank, flushing water containing medical cleaning liquid into the pre-cleaning tank, and carrying out first flushing and cleaning with foam containing the cleaning agent on the outer surface of the polluted endoscope;
b, detaching all endoscope buttons, brushing all cavities of the endoscope by large and small brushes, perfusing all cavities of the endoscope with medical cleaning liquid for 60 seconds by a full-pipeline perfusion device configured in the pre-cleaning tank, and injecting filtered clean compressed air for 30 seconds to dry the cavities;
c, stopping flushing water containing medical cleaning fluid in the pre-cleaning tank, starting to repeatedly flush clean water, and performing secondary flushing on the polluted endoscope for 15 seconds;
d, starting to extract liquid in the pre-cleaning tank until no water exists in the tank, then taking out the polluted endoscope, and drying the surface of the endoscope by using an air gun;
step E, conveying the polluted endoscope to an automatic cleaning and sterilizing machine through a first conveying belt, wherein each cavity opening of the endoscope is connected with a perfusion pipeline of the automatic cleaning and sterilizing machine, the automatic cleaning and sterilizing machine is driven by a power pump, and the automatic cleaning and sterilizing machine is used for cleaning, sterilizing and sterilizing the pipeline in the polluted endoscope;
and step F, conveying the endoscope which is disinfected and cleaned by the automatic cleaning and sterilizing machine to a drying area through a second conveying belt, performing air gun blowing type drying on the drying area through drying equipment, and finally conveying finished products through a third conveying belt.
For the above steps, the contaminated endoscope in the step D is isolated from the outside when being transported on the first transport belt, the second transport belt and the third transport belt.
The invention has the beneficial effects that: the invention additionally provides the pre-cleaning of the steps A to C, the pre-cleaning is a first step of cleaning and disinfection, various organic and inorganic substances on the outer surface of the endoscope are removed as early as possible, if the real-time treatment is not carried out, residual protein fragments in the lumen can be hardened, and biological films are accumulated on the surface of the endoscope and in the lumen to influence the subsequent cleaning and disinfection effect, then the cleaning is carried out through the automatic cleaning and disinfection machine in the second step, the key point is that the polluted endoscope inner pipelines are separately cleaned by the automatic cleaning and disinfection machine in a one-to-one correspondence manner, namely the polluted endoscope inner pipelines are not cleaned by the automatic cleaning and disinfection machine in a traditional multi-to-one manner, but are cleaned by the automatic cleaning and disinfection machine in a separate manner, meanwhile, according to the steps A to E, the polluted endoscope is sequentially conveyed and treated by the first conveying belt, the second conveying belt and the third conveying belt, namely, according to the sequence of the pre-cleaning-disinfecting-drying method, one area is transferred to the other area, and the phenomenon that the original pre-cleaning and disinfection in the prior art is returned to the original pre-cleaning and disinfection is avoided secondary pollution.
Meanwhile, the invention also provides a cleaning operation device of the cleaning operation method of the endoscope center, which is characterized in that: the device sequentially comprises a cleaning area 1, a disinfection area 2 and a drying area 3, wherein a pre-cleaning tank 4 is arranged in the cleaning area 1, an automatic cleaning and disinfecting machine 5 is arranged in the disinfecting area 2, a drying device 6 is arranged in the drying area 3, a first transmission window 101 is arranged at the left side of the cleaning area 1, the pre-cleaning tank 4 is linked with the automatic cleaning and disinfecting machine 5 through a first transmission belt 7, the automatic cleaning and sterilizing machine 5 is connected with the drying device 6 through a second conveyor belt 8, the drying device 6 is output through a third conveyor belt 9, the pre-cleaning tank 4 comprises a cleaning tank 401, the inner wall of the cleaning tank 401 is provided with a medical cleaning liquid output hole 402, a clean water output hole 403, an air output hole 404 and a liquid pumping hole 405, the medical washing liquid outlet 402 is communicated with a medical washing liquid storage barrel 406 disposed outside the washing bath 401, the clean water outlet 403 is communicated with a clean water storage barrel 407 arranged outside the cleaning tank 401, an air suction pump 408 with a function of filtering air is arranged on the outer wall of the cleaning tank 401, the air suction pump 408 is communicated with the air output hole 404, the liquid pumping hole 405 is connected with a suction pipe 409 arranged on the side wall of the cleaning tank 401, the suction pipe 409 is connected with a sewage bucket 411 arranged outside the cleaning tank 401 through a liquid pumping pump 410, the pre-cleaning tank 4 is internally provided with a full-pipeline perfusion device 412 for monitoring a medical cleaning liquid output hole 402, a clear water output hole 403, an air output hole 404 and a liquid pumping hole 405, the full-pipeline perfusion device 412 comprises a flowmeter and a time relay, the medical cleaning liquid output hole 402 and the clear water output hole 403 are respectively communicated with the medical cleaning liquid storage barrel 406 and the clear water storage barrel 407 through water pumps, one end of the first conveyor belt 7 is arranged at the bottom of the cleaning tank 401, and the first conveyor belt 7 is erected to the automatic cleaning and disinfecting machine 5 from the bottom of the cleaning tank 401.
The individual components of the invention are explained in detail below:
automatic cleaning and sterilizing machine 5 includes casing 501, casing 501's up end is opened has one row of 7 scope pipeline inserted openings 502, be equipped with the washing passageway 503 of one row of parallel 7 and scope pipeline inserted opening 502 one-to-one in the casing 501, the lower extreme that washs passageway 503 all links to a washing liquid container bucket 505 through a power pump 504 respectively, all be equipped with a flow detector 506 and a temperature sensor 507 in the washing passageway 503 respectively, the up end of casing 501 is equipped with automatic feed sliding door 508, the lower terminal surface of casing 501 is equipped with automatic discharge sliding door 509, be equipped with scope transmission band 510 between automatic feed sliding door 508 and the automatic discharge sliding door 509.
The housing endoscope channel insertion ports 502 are each provided with a rotary spray arm 511 for spraying the inside of the endoscope channel at all angles.
A timer 512 is provided in the housing 501.
The drying device 6 is a drying channel 601 communicated with the second conveyor belt 8, and a plurality of air blowing type air guns 602 are erected on the drying channel 601.
The equipment related by the invention has the following beneficial effects: the endoscope cleaning and disinfecting device comprises a cleaning area, a disinfecting area and a drying area in sequence, wherein a pre-cleaning tank is arranged in the cleaning area, an automatic cleaning and disinfecting machine is arranged in the disinfecting area, drying equipment is arranged in the drying area, the concept of regional treatment is realized, the pre-cleaning tank is designed aiming at the method steps A-E, namely, 7 pipelines of the automatic cleaning and disinfecting machine are designed to correspondingly clean and disinfect endoscope pipelines one by one in the method step D, after all, the flow calibers of different pipelines in an endoscope are different, so that the preset 7 pipelines can purposefully clean the endoscope pipelines in a separated mode, and finally, the endoscope pipelines are dried through an air blowing type air gun.

Claims (5)

1. An endoscope center cleaning operation method is characterized by comprising the following steps:
step A, after a polluted endoscope is taken out of a patient body in a diagnosis and treatment room, carrying out bedside pretreatment, conveying the endoscope to a cleaning area through a first transmission window which is connected with the endoscope diagnosis and treatment room and an endoscope retreating polluted area, putting the polluted endoscope into a pre-cleaning tank, flushing water containing medical cleaning liquid into the pre-cleaning tank, and carrying out first flushing and cleaning with foam containing the cleaning agent on the outer surface of the polluted endoscope;
b, detaching all endoscope buttons, brushing all cavities of the endoscope by large and small brushes, perfusing all cavities of the endoscope with medical cleaning liquid for 60 seconds by a full-pipeline perfusion device configured in the pre-cleaning tank, and injecting filtered clean compressed air for 30 seconds to dry the cavities;
c, stopping flushing water containing medical cleaning fluid in the pre-cleaning tank, starting to repeatedly flush clear water, and flushing the polluted endoscope for the second time for 15 seconds;
d, starting to extract liquid in the pre-cleaning tank until no water exists in the tank, then taking out the polluted endoscope, and drying the surface of the endoscope by using an air gun;
step E, automatically cleaning and sterilizing the polluted endoscope by a first conveyor belt, wherein the opening of each cavity of the endoscope is connected with a perfusion pipeline of the automatic cleaning and sterilizing machine, the automatic cleaning and sterilizing machine is driven by a power pump, and the automatic cleaning and sterilizing machine is used for cleaning, sterilizing and sterilizing the inner pipeline of the polluted endoscope;
and step F, conveying the endoscope which is sterilized and cleaned by the automatic cleaning and sterilizing machine to a drying area from a second conveying belt, performing air gun air blowing type drying at a drying device for the drying area, and finally conveying finished products from a third conveying belt, wherein the step D is used for isolating the endoscope from the outside when the endoscope is conveyed on the first conveying belt, the second conveying belt and the third conveying belt.
2. A cleaning operation apparatus of a cleaning operation method of an endoscope center according to claim 1, characterized in that: this device includes washing district (1), disinfection district (2) and drying zone (3) in proper order, set up in the washing district (1) and wash tank (4) in advance, set up self-cleaning sterilizing machine (5) in disinfection district (2), set up drying equipment (6) in drying zone (3), the left side of washing district (1) is equipped with first transmission window (101), wash tank (4) in advance links through first transmission band (7) and self-cleaning sterilizing machine (5), self-cleaning sterilizing machine (5) are connected with drying equipment (6) through second transmission band (8), drying equipment (6) export through third transmission band (9), wash tank (4) in advance includes washing tank (401), washing tank (401) inner wall is opened has medical cleaning solution delivery port (402), clear water delivery port (403), air delivery port (404) and liquid extraction hole (405), medical cleaning solution delivery port (402) and the medical cleaning solution storage bucket (406) intercommunication that sets up in washing tank (401) outside, air extraction hole (403) and the setting are equipped with air suction pump (408) in washing tank (401) and filter clear water storage bucket (408), the cleaning tank is characterized in that the liquid suction hole (405) is connected with a suction pipe (409) arranged on the side wall of the cleaning tank (401), the suction pipe (409) is connected with a sewage bucket (411) arranged outside the cleaning tank (401) through a liquid pump (410), a full-pipeline flow filler (412) is arranged in the pre-cleaning tank (4) to monitor a medical cleaning liquid output hole (402), a clear water output hole (403), an air output hole (404) and the liquid suction hole (405), the full-pipeline flow filler (412) comprises a flow meter and a time relay, the medical cleaning liquid output hole (402) and the clear water output hole (403) are respectively communicated with a medical cleaning liquid storage bucket (406) and a clear water storage bucket (407) through water pumps, one end of a first transmission belt (7) is arranged at the bottom of the cleaning tank (401), the first transmission belt (7) is erected to an automatic cleaning and disinfecting machine (5) from the bottom of the cleaning tank (401), the automatic cleaning and disinfecting machine (5) comprises a shell (501), a row of 7 is arranged on the upper end face of the shell (501), a row of inner cleaning liquid inlet channels (502) is parallel to a cleaning tank (502), a cleaning pipe (503), and a plurality of inner cleaning containers (503) are arranged in parallel to the inner cleaning liquid inlet (503) and are arranged in parallel to the inner cleaning channels (503), all be equipped with a flow detector (506) and a temperature sensor (507) in washing passageway (503) respectively, the up end of casing (501) is equipped with automatic feed sliding door (508), the lower terminal surface of casing (501) is equipped with automatic discharging sliding door (509), be equipped with scope transmission band (510) between automatic feed sliding door (508) and the automatic discharging sliding door (509).
3. A cleaning operation apparatus of a cleaning operation method of an endoscope center according to claim 2, characterized in that: the shell body endoscope pipeline insertion openings (502) are provided with rotary spraying arms (511) used for spraying and washing the inside of the endoscope pipeline at all angles.
4. A cleaning operation device of a cleaning operation method of an endoscope center according to claim 2 or 3, characterized in that: a timer (512) is arranged in the shell (501).
5. A cleaning operation apparatus of a cleaning operation method of an endoscope center according to claim 4, characterized in that: drying equipment (6) are drying channel (601) with second transmission band (8) intercommunication, a plurality of air blow formula air gun (602) are erect on drying channel (601).
CN201710969312.7A 2017-10-18 2017-10-18 Cleaning operation method and cleaning operation device for endoscope center Active CN107716397B (en)

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