WO2013031388A1 - Dispositif de traitement d'endoscope - Google Patents

Dispositif de traitement d'endoscope Download PDF

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Publication number
WO2013031388A1
WO2013031388A1 PCT/JP2012/067610 JP2012067610W WO2013031388A1 WO 2013031388 A1 WO2013031388 A1 WO 2013031388A1 JP 2012067610 W JP2012067610 W JP 2012067610W WO 2013031388 A1 WO2013031388 A1 WO 2013031388A1
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WIPO (PCT)
Prior art keywords
endoscope
processing
fluid
pressure
unit
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Application number
PCT/JP2012/067610
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English (en)
Japanese (ja)
Inventor
隆太 瀬分
章裕 宮下
黒島　尚士
桂輔 野崎
中川　幹彦
Original Assignee
オリンパスメディカルシステムズ株式会社
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Publication of WO2013031388A1 publication Critical patent/WO2013031388A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
    • A61B1/121—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use
    • A61B1/125—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use using fluid circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • A61L2/07—Steam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/17—Combination with washing or cleaning means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps

Definitions

  • Endoscopes used in the medical field are subjected to processing such as cleaning, disinfection, sterilization, and rinsing after use. These treatments are performed using a treatment fluid such as a chemical solution or tap water.
  • a treatment fluid such as a chemical solution or tap water.
  • Japanese Unexamined Patent Application Publication No. 2009-125231 discloses an endoscope processing apparatus (endoscope reprocessor) that automatically performs these processes.
  • a cleaning process and a disinfection process are performed in a pipeline by sending a liquid processing fluid into a pipeline provided in the endoscope. It is configured as follows.
  • an endoscope processing apparatus sold in Europe is used to send an air pressure inside an endoscope, that is, between a pipe line that passes through the endoscope and an outer skin of the endoscope, and pressurizes the endoscope.
  • Conduct a leak detection test to detect the water tightness of the endoscope.
  • the endoscope is taken out from the endoscope processing device.
  • it is washed and disinfected. A process is performed.
  • the processing fluid may enter the endoscope depending on the size of the perforation and the amount of perforation. Therefore, in order to reduce this risk, the conventional endoscope processing apparatus suppresses the introduction pressure of the cleaning liquid and the disinfecting liquid introduced into the endoscope channel to a fairly low constant value, so that the processing with the processing fluid is performed. It is difficult to increase ability.
  • An object of the present invention is to provide an endoscope processing apparatus capable of preventing the processing fluid from entering the space.
  • An endoscope processing apparatus is an endoscope that performs at least one of a cleaning process, a disinfecting process, a sterilizing process, and a rinsing process on an endoscope having a conduit using a processing fluid.
  • the endoscope processing apparatus 1 uses a processing fluid composed of at least one of liquid and gas to clean and disinfect the endoscope 50 accommodated in the processing tank 2.
  • An apparatus that performs at least one of a sterilization process and a rinsing process.
  • the endoscope 50 of the present embodiment extends from an insertion portion 51 to be introduced into a subject, an operation portion 52 provided on the proximal end side of the insertion portion 51, and an operation portion 52. It mainly comprises a universal cord 53 to be provided and a connector portion 54 provided on the universal cord 53.
  • the universal cord 53 and the connector part 54 are structures for connecting the endoscope 50 to an external device.
  • One or a plurality of ducts 60 are inserted into the internal space 55 of the endoscope 50.
  • the pipe line 60 is connected to an opening provided in the watertight structural member 56, and the pipe line 60 opens to the external space of the endoscope 50.
  • the pipe line 60 is only open to the external space and is not open to the internal space 55.
  • the configuration of the duct 60 inserted into the internal space 55 of the endoscope 50 is not particularly limited.
  • the duct 60 is inserted through the insertion portion 51, the operation portion 52, the universal cord 53, and the connector portion 54.
  • the pipe 60 includes a pipe opening 61 provided at the distal end of the insertion part 51, pipe openings 62 and 63 provided in the operation part 52, and a pipe opening 64 provided in the connector part 54. Are connected to the external space of the endoscope 50.
  • the endoscope 50 may have a configuration in which a plurality of conduits 60 are disposed. Further, the position and number of the duct openings provided in the endoscope 1 are not limited to the present embodiment.
  • the ventilation portion 57 is provided in the connector portion 54, but the position where the ventilation portion 57 is provided is not particularly limited.
  • the ventilation part 57 may be configured to be provided in the operation part 52 or the like. Further, the ventilation portion 57 can be attached to and detached from the connector portion 54, and may be provided on a lid-like member constituting a part of the watertight structure member 56.
  • the treatment tank 2 is a container that can accommodate the endoscope 50 therein.
  • the treatment tank 2 may have a lid member that can be opened and closed, and may be configured to be sealed so that the internal fluid does not jump out.
  • one endoscope 50 is accommodated in the processing tank 2, but the processing tank 2 may be configured to accommodate a plurality of endoscopes 50.
  • the control unit 3 includes an arithmetic device (CPU), a storage device (RAM), an auxiliary storage device, an input / output device, a power control device, and the like, and performs an operation described later of the endoscope processing device 1. It has the structure controlled based on a predetermined program.
  • the processing fluid delivery unit 10 is for delivering the processing fluid into the pipe line 60 of the endoscope 50 accommodated in the processing tank 2.
  • the endoscope processing apparatus 1 performs a cleaning process using a processing fluid on the endoscope 50, and the processing fluid is stored in the storage tank 5. Reserved.
  • the treatment fluid delivery unit 10 includes a pump 11, a treatment fluid delivery line 12, and a connection line 13.
  • the processing fluid delivery pipe 12 is a pipe having one end connected to the storage tank 5 and the other end connected to a processing fluid delivery port 12 a provided in the processing tank 2.
  • a pump 11 is disposed in the processing fluid delivery pipe 12.
  • connection conduit 13 is a tubular member, and is a member for communicating the processing fluid delivery conduit 12 and the conduit 60 of the endoscope 50.
  • One end of the connecting pipe 13 can be connected to the processing fluid delivery port 12a, and the other end can be connected to a pipe opening of the pipe 60 of the endoscope 50. That is, the processing fluid feed pipe 12 is connected to the pipe 60 of the endoscope 50 accommodated in the processing tank 2 via the connection pipe 13 connected to the processing fluid delivery port 12a.
  • connection pipe 13 is connected to the processing fluid delivery port 12a, and the other end is connected to the pipe openings 63 and 62 of the endoscope 50.
  • the processing fluid delivery port 12a provided in the processing tank 2 can be directly connected to the pipeline opening of the endoscope 50, the connection pipeline 13 is unnecessary.
  • the pump 11 is configured to send the fluid in the processing fluid delivery line 12 from the storage tank 5 side to the processing tank 2 side.
  • the pump 11 discharges the processing fluid at a substantially constant flow rate.
  • the processing fluid is supplied at a predetermined pressure from equipment outside the endoscope processing apparatus 1 such as tap water, and the pressure of the supplied processing fluid is applied to the endoscope 50. If it is sufficient for the processing to be performed, the pump 11 is unnecessary.
  • the processing fluid delivery unit 10 is provided with a regulator for keeping the pressure of the supplied processing fluid substantially constant, and the processing fluid is taken into the processing fluid delivery unit 10 via the regulator.
  • the gas delivery unit 30 is for delivering gas into the internal space 55 of the endoscope 50 accommodated in the processing tank 2.
  • the gas delivery unit 30 includes a pump 31, a gas delivery line 32, and a connection line 33.
  • the gas delivery line 32 is a pipeline having one end connected to the pump 31 and the other end connected to a gas delivery port 32 a provided in the processing tank 2.
  • connection conduit 33 is a tubular member and is a member for communicating the gas delivery conduit 32 and the internal space 55 of the endoscope 50.
  • the connection pipe 33 has a configuration in which one end can be connected to the gas delivery port 32 a and the other end can be connected to the ventilation portion 57 of the endoscope 50. That is, the gas delivery line 32 is connected to the internal space 55 of the endoscope 50 accommodated in the processing tank 2 via the connection line 33 connected to the gas delivery port 32a.
  • the connection pipe line 33 is unnecessary.
  • the pump 31 is configured to send the fluid in the gas delivery line 32 toward the treatment tank 2 side.
  • the pump 31 discharges air at a predetermined pressure.
  • the gas delivery unit 30 may be used to set the atmospheric pressure in the internal space 55 to a predetermined value when performing a water leak detection test of the endoscope 50.
  • the endoscope processing apparatus 1 is provided with a power supply unit.
  • the power supply unit has a configuration for supplying power to each of the components of the endoscope processing apparatus 1.
  • the power supply unit may be configured to obtain electric power from a commercial power supply and supply electric power to the endoscope processing apparatus 1, or may include a primary battery, a secondary battery, or a power generation apparatus. It may be configured to supply power to the.
  • the endoscope 50 is accommodated in the processing tank 2 before the endoscope processing apparatus 1 performs the cleaning process on the endoscope 50.
  • the connection pipeline 13 is connected to the pipeline openings 63 and 62 of the endoscope 50, and the connection pipeline 33 is connected to the ventilation portion 57 of the endoscope 50. Then, a cleaning process is performed.
  • control unit 3 operates the pump 11 of the processing fluid delivery unit 10 and also operates the pump 31 of the gas delivery unit 30. Then, the control unit 3 stops the pump 11 of the processing fluid delivery unit 10 and the pump 31 of the gas delivery unit 30 after a predetermined time has elapsed from the start of the operation of the pump 11 of the processing fluid delivery unit 10.
  • the endoscope processing apparatus 1 when performing the cleaning process, sends the processing fluid into the duct 60 of the endoscope 50 and sends air into the internal space 55 of the endoscope 50. For this reason, during the execution of the cleaning process for the endoscope 50 by the endoscope processing apparatus 1, the internal space 55 of the endoscope 50 is pressurized so as to have a predetermined pressure higher than the atmospheric pressure. .
  • the endoscope processing apparatus 1 is configured so that the endoscope 50 is in the process of performing the cleaning process in the pipe 60 that sends the processing fluid into the pipe 60 of the endoscope 50.
  • the internal space 55 is configured to pressurize the internal space 55 so that air is sent to the internal space 55 and the pressure in the internal space 55 becomes a predetermined pressure higher than the atmospheric pressure.
  • the endoscope processing apparatus 1 has the inside of the internal space 55 even when processing is performed on the endoscope 50 in a leaking state where the internal space 55 communicates with the external space. Since the pressure is increased, the processing fluid can be prevented from entering the internal space 55 or the amount of the processing fluid entering the internal space 55 can be suppressed.
  • a pressure that is not inferior to the pressure for cleaning the inside of the duct 60 of the endoscope 50 is set in the internal space. Since the fluid can be prevented from entering the internal space 55 by adding to the internal space 55, the contaminated endoscope 50 can be cleaned.
  • the endoscope processing apparatus 1 may include the water density input unit 70 that inputs the water density of the endoscope 50.
  • the form of the endoscope processing apparatus 1 including the water density input unit 70 will be described below as a first modification.
  • the water density input unit 70 has an input device and outputs information on the input water density to the control unit 3.
  • the water density is defined based on the pressure drop of the internal space 55 after a predetermined time has elapsed after the atmospheric pressure of the internal space 55 of the endoscope 50 is set to a predetermined value equal to or higher than the atmospheric pressure. The greater the pressure drop, the lower the water density in the internal space 55 of the endoscope 50.
  • the water density is measured before the endoscope 50 is processed by the endoscope processing apparatus 1.
  • the input of the water density to the water density input unit 70 may be automatic or manual.
  • the control unit 3 performs the above operation from the gas delivery unit 30 based on the input result of the water density to the water density input unit 70.
  • the pressure of the gas sent into the internal space 55 is adjusted to pressurize the internal space 55. For example, the lower the water density in the internal space 55 of the endoscope 50, the higher the pressure of the gas to be sent out so that the atmospheric pressure in the internal space 55 becomes higher. Thereby, it is possible to prevent the processing fluid from entering the internal space 55 more precisely, or to suppress the amount of the processing fluid entering the internal space 55.
  • the endoscope processing apparatus 1 may include the water density detection unit 72 that detects the water density of the endoscope.
  • a form of the endoscope processing apparatus 1 including the water density detection unit 72 will be described below as a second modification.
  • the water density detector 72 is provided in the gas delivery line 32.
  • an electromagnetic valve that opens and closes the gas delivery line 32, and an atmospheric pressure in the gas delivery line 32 that is closer to the gas delivery port 32a than the electromagnetic valve.
  • a pressure sensor for measuring The water density detector 72 closes the electromagnetic valve when the pressure in the internal space 55 of the endoscope 50 is a predetermined value that is equal to or higher than the atmospheric pressure, and then the gas delivery line 32 when the predetermined time has passed.
  • the pressure drop is measured with a pressure sensor.
  • the atmospheric pressure in the gas delivery line 32 measured by the pressure sensor is equal to the atmospheric pressure in the internal space 55 of the endoscope 50, the water density is based on the pressure decrease width measured by the pressure sensor. Can be calculated. Note that the greater the pressure drop, the lower the water density in the internal space 55 of the endoscope 50.
  • the control unit 3 controls the gas delivery unit 30 based on the water density value calculated by the water density detection unit 72.
  • the pressure of the gas delivered into the internal space 55 is adjusted to pressurize the internal space 55. For example, the lower the water density in the internal space 55 of the endoscope 50, the higher the pressure of the gas to be sent out so that the atmospheric pressure in the internal space 55 becomes higher. Thereby, it is possible to prevent the processing fluid from entering the internal space 55 more precisely, or to suppress the amount of the processing fluid entering the internal space 55.
  • the water density of the internal space 55 increases as the endoscope 50 has a relatively large diameter perforation or a larger number of perforations. Becomes lower.
  • this water density is obtained when the endoscope 50 has a relatively large diameter perforation (low water density) and when the endoscope 50 has a small diameter perforation.
  • a determination is made in three stages, ie, when there is no perforation (high water density), and as the water density in the internal space 55 is lower, the pressure for pressurizing the interior space 55 is increased. Even if it is determined that there is no perforation (high water density), the inside of the endoscope 50 may be pressurized for insurance purposes.
  • the area of the perforations formed in the endoscope 50 may be calculated from the result of the water leakage test, and this may be used as the water density. In this case, the larger the perforated area, the lower the water density.
  • the endoscope processing apparatus 1 reads endoscope information including information such as the type, size, and structure of the endoscope 50 from an RF-ID or a barcode added to the endoscope 50.
  • a reading unit may be provided, and the control unit 3 may adjust the pressure for pressurizing the internal space 55 in consideration of endoscope information in addition to the water density of the endoscope 50.
  • a fluid pressure adjusting unit 20 is disposed in the processing fluid delivery unit 10.
  • the fluid pressure adjusting unit 20 can adjust the increase and decrease of the pressure in the processing fluid delivery pipe 12.
  • the fluid pressure adjustment unit 20 may adjust the output of the pump 11.
  • the fluid pressure adjustment unit 20 may be incorporated in the control unit 3.
  • the fluid pressure adjustment unit 20 has a configuration for reducing the pressure in the processing fluid delivery line 12 to a predetermined pressure.
  • the fluid pressure adjusting unit 20 is disposed on the downstream side (processing tank 2 side) of the processing fluid delivery line 12 where the pump 11 is disposed, or on the connection line 13.
  • the fluid pressure adjusting unit 20 has a configuration in which the pressure of the processing fluid sent from the pump 11 is lowered to a predetermined pressure and flows out.
  • the fluid pressure adjusting unit 20 is disposed on the downstream side of the pump 11 in the processing fluid delivery pipe 12.
  • the endoscope processing apparatus 1 includes the water density input unit 70 or the water density detection unit 72, and the fluid pressure adjustment unit 20 includes the water density input unit.
  • the pressure may be adjusted based on the water density value input to 70 or the water density value detected by the water density detector 72.
  • the fluid pressure adjusting unit 20 is arranged in the processing fluid delivery pipe 12, but the arrangement location of the fluid pressure adjusting unit 20 is not limited to this.
  • the fluid pressure adjustment unit 20 may be disposed in the connection pipeline 13 that connects the pipeline opening 63 of the endoscope 50 and the processing fluid outlet 12a.
  • the connection pipe line 13 itself may include the fluid pressure adjustment unit 20, or the fluid pressure adjustment unit 20 may be detachable from the connection pipe line 13.
  • the fluid pressure adjusting unit 20 does not reduce the pressure in the processing fluid delivery pipe 12 (non-operating state) and reduces the pressure in the processing fluid delivery pipe 12 (decompression operation state). And can be switched.
  • the pressure of the processing fluid flowing out from the fluid pressure adjusting unit 20 may be maintained at a predetermined value substantially constant, The value may be changeable within the range.
  • the configuration for reducing the pressure in the processing fluid delivery pipe 12 of the fluid pressure adjusting unit 20 is not particularly limited, but in the present embodiment, as an example, the fluid pressure adjusting unit 20 has the configuration shown in FIG. have.
  • the processing fluid delivery pipe 12 is divided into two pipes in the fluid pressure adjusting part 20, and the fluid flowing into the fluid pressure adjusting part 20 is separated into the two pipes. It has the structure switched so that it may flow to either one.
  • the processing fluid delivery pipe 12 is bifurcated on the upstream side to form two pipes of the first pipe 21 and the second pipe 22, and on the downstream side.
  • the first pipeline 21 and the second pipeline 22 merge to form one processing fluid delivery pipeline 12.
  • a switching unit 23 is disposed at a location where the processing fluid delivery pipe 12 branches into the first pipe 21 and the second pipe 22 on the upstream side of the fluid pressure adjusting unit 20.
  • the switching unit 23 connects the processing fluid delivery pipe 12 and the first pipe 21 on the upstream side of the fluid pressure adjusting unit 20, and the processing fluid delivery pipe 12 and the second on the upstream side of the fluid pressure regulating unit 20.
  • the state in which the pipeline 22 is connected can be switched.
  • Such a switching part 23 is comprised by the valve apparatus generally called a three-way valve, for example.
  • the switching unit 23 can also be configured by using a plurality of simple on-off valves.
  • the switching unit 23 operates based on an operation by a user of the endoscope processing apparatus 1.
  • the switching unit 23 may be switched by a force input by a user, or may be switched by a force generated by a solenoid, an electric motor, or the like.
  • the first pipe line 21 has a cross-sectional area of a flow path that is substantially the same as the processing fluid delivery line 12. That is, the pressure loss when the processing fluid flows through the first pipe 21 from the upstream end to the downstream end is the pressure loss when the processing fluid flows through the processing fluid delivery pipe 12 by the same distance as the first pipe 21. Is almost equivalent.
  • the second pipe line 22 has a narrowed portion 22a having a smaller cross-sectional area of the flow path than the processing fluid delivery pipe line 12.
  • the narrowed portion 22 a is configured to make the pressure loss when the processing fluid flows through the second pipe line 22 larger than the pressure loss when the processing fluid flows through the first pipe line 21. That is, the pressure loss when the processing fluid flows in the second pipe line 22 from the upstream end to the downstream end is the pressure loss when the processing fluid flows in the processing fluid delivery pipe line 12 by the same distance as the second pipe line 22. Bigger than.
  • the 2nd pipe line 22 may be the structure by which the whole from the upstream end to a downstream end is made into the constriction part 22a whose cross-sectional area of a flow path is smaller than the 1st pipe line 21, and only one part may be sufficient as it. May be configured as the narrowed portion 22a. In the case where only a part of the second pipeline 22 is used as the narrowed portion 22a, a mechanism generally referred to as an orifice or a throttle valve can be applied.
  • the fluid pressure adjusting unit 20 allows the processing fluid flowing in from the pump 11 side to pass through the first conduit 21 or the second conduit 22 provided with the constricted portion 22a, and then performs processing. It has the structure made to flow out to the tank 2 side. Then, the switching unit 23 selects which of the first pipe line 21 and the second pipe line 22 passes the processing fluid.
  • the fluid pressure adjusting unit 20 of the present embodiment having the above-described configuration is in a state where the processing fluid is allowed to pass through the first conduit 21 and the pressure in the processing fluid delivery conduit 12 is not reduced (non-operating state). It is possible to switch between a state (pressure reduction operation state) in which the processing fluid is passed through the second conduit 22 and the pressure in the processing fluid delivery conduit 12 is reduced.
  • the endoscope processing apparatus 1 sends a processing fluid into the duct 60 of the endoscope 50 and performs the processing when performing processing on the endoscope 50. Air is delivered into the internal space 55 of 50.
  • the pressure of the internal space 55 when the gas delivery part 30 operates and the internal space 55 is pressurized is Pa.
  • FIG. 5 shows a case where the fluid pressure adjusting unit 20 of the processing fluid delivery unit 10 is in a non-operating state.
  • P1 be the pressure of the processing fluid delivered into the pipeline 60 of the endoscope 50 when the fluid pressure adjusting unit 20 is in a non-operating state.
  • FIG. 6 shows a case where the fluid pressure adjusting unit 20 of the processing fluid delivery unit 10 is in a pressure reducing operation state.
  • P2 be the pressure of the processing fluid delivered into the pipe line 60 of the endoscope 50 when the fluid pressure adjusting unit 20 is in the decompression operation state.
  • the processing fluid passes through the constriction 22a, and therefore the pressure P2 is lower than the pressure P1.
  • the pressure P2 of the processing fluid delivered into the pipe line 60 of the endoscope 50 is the gas delivery unit 30 operating. Is configured to be lower than the pressure Pa of the internal space 55 of the endoscope 50. That is, in this embodiment, the relationship P2 ⁇ P1 ⁇ Pa is established.
  • the endoscope processing apparatus 1 is performing the processing in the pipe 60 that sends the processing fluid into the pipe 60 of the endoscope 50, as in the first embodiment.
  • air is sent to the internal space 55 of the endoscope 50, and the internal space 55 is pressurized so that the pressure in the internal space 55 becomes a predetermined pressure Pa higher than the atmospheric pressure.
  • the endoscope apparatus 1 includes the fluid pressure adjustment unit 20 so that the pressure of the processing fluid delivered from the processing fluid delivery unit 10 can be changed, and the fluid pressure adjustment unit 20 is in a decompression operation state.
  • the pressure P2 of the processing fluid in the pipe line 60 is lower than the pressure Pa in the internal space 55.
  • the processing fluid when the fluid pressure adjusting unit 20 is in the pressure reducing operation state, the processing fluid enters the internal space 55 even if the endoscope 50 that is in a water leakage state is processed. This can be surely prevented. Further, when the fluid pressure adjusting unit 20 is in a non-operating state, as in the first embodiment, when processing is performed on the endoscope 50 in a leaking state, the processing fluid is in the internal space 55. Can be prevented, or the amount of the processing fluid entering the internal space 55 can be suppressed.
  • the endoscope 50 After the endoscope 50 is used inside the living body that is the subject, the endoscope 50 that has been found to be in a leaked state is also cleaned, disinfected, sterilized, and processed using the processing fluid. Realization of an endoscope processing apparatus capable of performing at least one of the rinsing processes is desired.
  • the endoscope processing apparatus 1 can also solve the above-described problems. That is, in this embodiment, when it is confirmed that the watertight state of the internal space 55 of the endoscope 50 is maintained, the user performs an operation to make the fluid pressure adjustment unit 20 inactive.
  • the pressure of the processing fluid in the pipe line 60 can be set to P1, which is a relatively high pressure, and the processing effect can be enhanced.
  • P1 is a relatively high pressure
  • the processing effect can be enhanced.
  • the inside of the internal space 55 is pressurized to the pressure Pa, so that the processing fluid is prevented from entering the internal space 55, or It is possible to suppress the failure of the electronic circuit.
  • the user when it is confirmed that the endoscope 50 is in a water leakage state, the user performs an operation for setting the fluid pressure adjusting unit 20 in the pressure reducing operation state, whereby the processing fluid in the pipeline 60 is processed.
  • the fluid pressure adjustment unit 20 sends the processing based on the water density value acquired by the water density input unit 70 or the water density detection unit 72 described in the first or second modification of the first embodiment.
  • the pressure of the fluid may be reduced.
  • the configuration of the fluid pressure adjusting unit 20 is not limited to the present embodiment described above.
  • the fluid pressure adjustment unit 20 may be configured to include a proportional control valve 24.
  • the proportional control valve 24 has a configuration that changes the flow rate of the processing fluid to be passed in accordance with a user operation or an input electric signal.
  • Such a fluid pressure adjusting unit 20 including the proportional control valve 24 can change the pressure of the processing fluid in the pipe line 60 of the endoscope 50 during the processing at least within the range of P1 to P2.
  • the fluid pressure adjusting unit 20 may be configured to include a relief valve 25 and a valve 26.
  • the relief valve 25 and the valve 26 are arranged in a discharge pipe 27 branched from the processing fluid delivery pipe 12 and connected to the processing tank 2.
  • the relief valve 25 has a configuration that allows a fluid to pass only when the fluid in the discharge pipe 27 is at a predetermined pressure or higher, and is a known one.
  • the relief valve 25 is set to pass a fluid having a pressure lower than the pressure of the fluid discharged from the pump 11.
  • valve 26 is a valve device that switches opening and closing of the discharge pipe 27.
  • the valve 26 is closed.
  • all of the processing fluid discharged from the pump 11 is sent into the pipe line 60 of the endoscope 50, so that the inside of the pipe line 60 of the endoscope 50 during the execution of the process.
  • the pressure of the processing fluid is P1.
  • the valve 26 is opened.
  • a part of the processing fluid discharged from the pump 11 passes through the relief valve 25 and the discharge pipe 27 and is sent into the processing tank 2.
  • the pressure of the processing fluid in the pipe line 60 of the endoscope 50 during the processing is P2 lower than P1.
  • the relief valve 25 may be replaced with an orifice, a throttle valve, or the like that allows a predetermined flow rate of fluid to pass therethrough.
  • the fluid pressure adjusting unit 20 is disposed in the processing fluid delivery line 12, but as shown in FIG. 9, the fluid pressure adjusting unit 20 is connected to the connection line 13. May be provided.
  • the fluid pressure adjustment unit 20 is electrically connected to the control unit 3.
  • the fluid pressure adjusting unit 20 of the present embodiment is configured so that the non-operating state in which the pressure in the processing fluid delivery line 12 is not reduced and the pressure in the processing fluid delivery line 12 based on the command signal output from the control unit 3. It operates so as to switch to the decompression operation state that reduces
  • the switching unit 23 includes an actuator, and the switching unit 23 is connected to the control unit 3. The switching operation is performed based on the command signal.
  • the proportional control valve 24 when the fluid pressure adjusting unit 20 of the present embodiment is configured to include the proportional control valve 24 as described with reference to FIG. 7, the proportional control valve 24 is electrically connected to the control unit 3.
  • the proportional control valve 24 changes the flow rate of the processing fluid to be passed based on a command signal from the control unit 3.
  • the valve 26 when the fluid pressure adjustment unit 20 of the present embodiment is configured to include the relief valve 25 and the valve 26 as described with reference to FIG. 8, the valve 26 is electrically connected to the control unit 3.
  • the valve 26 opens and closes based on a command signal from the control unit 3.
  • the endoscope processing apparatus 1 includes an input unit 7.
  • the input unit 7 is a device for the user of the endoscope processing apparatus 1 to input information to the control unit 3.
  • the input unit 7 is configured to allow the user to input at least water leakage information that is information indicating whether or not the endoscope 50 that performs processing is in a water leakage state.
  • the input unit 7 is configured by, for example, a toggle switch, a push switch, a pressure sensitive switch, a capacitance switch, or the like.
  • the input unit 7 may be configured by a combination of a display device that displays images and characters and an input device such as a keyboard, a mouse, a trackball, or a touch panel.
  • the user of the endoscope processing apparatus 1 performs a water leak detection test of the endoscope 50 to be processed in advance, and whether the endoscope 50 is in a water leak state based on the result of the water leak detection test.
  • the water leakage information representing this is input via the input unit 7.
  • step S01 the control unit 3 confirms whether or not the water leakage information is input via the input unit 7 by the user. The process waits until the leakage information is input. If the input of the leakage information is confirmed, the process proceeds to step S02.
  • step S02 and step S03 when the water leakage information input via the input unit 7 indicates that the endoscope 50 is not in a water leakage state, the flow proceeds to step S04, and fluid pressure adjustment is performed.
  • the unit 20 is set to a non-operating state. And it transfers to step S05, the process fluid sending part 10 and the gas sending part 30 are operated, and the process with respect to the endoscope 50 is implemented.
  • the pressure of the processing fluid delivered into the pipe line 60 of the endoscope 50 is P1
  • the pressure in the internal space 55 of the endoscope 50 is Pa.
  • step S02 and step S03 when the water leakage information input via the input unit 7 indicates that the endoscope 50 is in a water leakage state, the flow proceeds to step S06, and the fluid pressure adjustment unit 20 is set to the reduced pressure operation state. And it transfers to step S05, the process fluid sending part 10 and the gas sending part 30 are operated, and the process with respect to the endoscope 50 is implemented.
  • the pressure of the processing fluid delivered into the pipe line 60 of the endoscope 50 is P2
  • the pressure in the internal space 55 of the endoscope 50 is Pa. .
  • the endoscope processing apparatus 1 is configured to switch the operation state of the fluid pressure adjustment unit 20 based on the water leakage information input via the input unit 7. .
  • the effect of the endoscope processing apparatus 1 of the present embodiment is the same as that of the second embodiment.
  • the fluid pressure adjusting unit 20 is electrically connected to the control unit 3.
  • the fluid pressure adjusting unit 20 of the present embodiment is configured so that the non-operating state in which the pressure in the processing fluid delivery line 12 is not reduced and the pressure in the processing fluid delivery line 12 based on the command signal output from the control unit 3. It operates so as to switch to the decompression operation state that reduces
  • the switching unit 23 includes an actuator, and the switching unit 23 is connected to the control unit 3. The switching operation is performed based on the command signal.
  • the proportional control valve 24 when the fluid pressure adjusting unit 20 of the present embodiment is configured to include the proportional control valve 24 as described with reference to FIG. 7, the proportional control valve 24 is electrically connected to the control unit 3.
  • the proportional control valve 24 changes the flow rate of the processing fluid to be passed based on a command signal from the control unit 3.
  • the valve 26 when the fluid pressure adjustment unit 20 of the present embodiment is configured to include the relief valve 25 and the valve 26 as described with reference to FIG. 8, the valve 26 is electrically connected to the control unit 3.
  • the valve 26 opens and closes based on a command signal from the control unit 3.
  • the endoscope processing apparatus 1 includes a water leak detection test unit 34 in the gas delivery unit 30.
  • the water leakage detection test unit 34 performs a water leakage detection test on the endoscope 50 accommodated in the processing tank 2, and controls water leakage information that is information indicating whether or not the endoscope 50 is in a water leakage state. It is configured to output to the unit 3.
  • the water leakage detection test unit 34 is a valve that opens and closes the gas delivery line 32, and a pressure that is disposed closer to the gas delivery port 32a than the valve and measures the pressure in the gas delivery line 32.
  • a measuring unit and a determining unit for determining water leakage information are provided.
  • the water leakage detection test unit 34 may be configured to be able to control the operation of the pump 31, or to be able to control the operation of the pump 31 through the control unit 3 as shown in FIG. 12. It may be configured.
  • step S11 the control unit 3 operates the water leakage detection test unit 34 to execute a water leakage detection test of the endoscope 50 accommodated in the processing tank 2.
  • step S12 if the water leakage information input from the water leakage detection test unit 34 indicates that the endoscope 50 is not in a water leakage state, the flow proceeds to step S13, and the fluid pressure adjustment unit 20 is turned off. Set to operating state. And it transfers to step S14, the process fluid sending part 10 and the gas sending part 30 are operated, and the process with respect to the endoscope 50 is implemented.
  • the pressure of the processing fluid delivered into the pipe line 60 of the endoscope 50 is P1
  • the pressure in the internal space 55 of the endoscope 50 is Pa. .
  • step S012 when the water leakage information input from the water leakage detection test unit 34 indicates that the endoscope 50 is in a water leakage state, the flow proceeds to step S15, and the fluid pressure adjustment unit 20 is depressurized. Set to operating state. And it transfers to step S14, the process fluid sending part 10 and the gas sending part 30 are operated, and the process with respect to the endoscope 50 is implemented.
  • the pressure of the processing fluid delivered into the pipe line 60 of the endoscope 50 is P2
  • the pressure in the internal space 55 of the endoscope 50 is Pa.
  • the endoscope processing apparatus 1 includes the water leakage detection test unit 34 that performs the water leakage detection test of the endoscope 50, and performs processing using the processing fluid for the endoscope 50. Is performed automatically, and the operation state of the fluid pressure adjusting unit 20 is automatically switched based on the result of the water leakage detection test.
  • the pressure of the processing fluid in the conduit 60 is P2 that is surely lower than the pressure Pa of the internal space 55. It becomes. Therefore, the processing using the processing fluid can be performed on the endoscope 50 while reliably preventing the processing fluid from entering the internal space 55.
  • the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist or concept of the invention that can be read from the claims and the entire specification.
  • a mirror processing apparatus is also included in the technical scope of the present invention.

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Abstract

La présente invention concerne un dispositif de traitement d'un endoscope, au moyen duquel un procédé est mis en œuvre en utilisant un test de détection de fuites ainsi qu'un fluide de traitement sur un endoscope. Ledit dispositif de traitement d'endoscope comprend : une unité de transmission du fluide de traitement qui transmet le fluide de traitement à l'intérieur d'une voie du tube de l'endoscope ; une unité de transmission de gaz qui transmet un gaz à l'intérieur d'un espace intérieur de l'endoscope ; une unité de détection qui détecte la taille d'une perforation qui est formée dans l'endoscope ; et une unité de commande qui est capable de commander l'unité de transmission du fluide de traitement et l'unité de transmission de gaz, et qui, lorsque le procédé est mis en œuvre, transmet le fluide de traitement de l'unité de transmission du fluide de traitement à l'intérieur de la voie du tube, et ajuste la pression du gaz qui est transmis de l'unité de transmission de gaz à l'intérieur de l'espace intérieur en se basant sur les résultats de détection obtenus par le biais de l'unité de détection, pressurisant ainsi l'espace intérieur.
PCT/JP2012/067610 2011-08-30 2012-07-10 Dispositif de traitement d'endoscope WO2013031388A1 (fr)

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JP6010272B1 (ja) * 2015-09-01 2016-10-19 オリンパス株式会社 内視鏡リプロセッサ
WO2017038136A1 (fr) * 2015-09-01 2017-03-09 オリンパス株式会社 Retraiteur d'endoscope
JP2017053644A (ja) * 2015-09-07 2017-03-16 オリンパス株式会社 内視鏡リークテスタ、内視鏡リプロセッサ
JP2017511745A (ja) * 2014-04-07 2017-04-27 ダイアベル カンパニー リミテッド 自動内視鏡漏水検査装置及び検査方法
WO2018195655A1 (fr) * 2017-04-25 2018-11-01 9485562 Canada Inc. Poste de nettoyage d'endoscopes comportant un testeur de fuites et un orifice sous haute pression
JP2019523047A (ja) * 2016-07-14 2019-08-22 インテュイティブ サージカル オペレーションズ， インコーポレイテッド 手術器具のボディ内に収容された圧力試験ポート
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WO2018195655A1 (fr) * 2017-04-25 2018-11-01 9485562 Canada Inc. Poste de nettoyage d'endoscopes comportant un testeur de fuites et un orifice sous haute pression
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