WO2016121171A1 - リークテスタ及び内視鏡リプロセッサ - Google Patents
リークテスタ及び内視鏡リプロセッサ Download PDFInfo
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- WO2016121171A1 WO2016121171A1 PCT/JP2015/079178 JP2015079178W WO2016121171A1 WO 2016121171 A1 WO2016121171 A1 WO 2016121171A1 JP 2015079178 W JP2015079178 W JP 2015079178W WO 2016121171 A1 WO2016121171 A1 WO 2016121171A1
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- temperature
- endoscope
- unit
- air
- leak tester
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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
-
- 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
-
- 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
- A61B1/123—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 washing machines
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
Definitions
- the present invention relates to a leak tester and an endoscope reprocessor for injecting pressurized air into an object that requires airtightness and performing a leak determination based on a change in internal pressure after the injection.
- endoscopes used in the medical field are cleaned and disinfected after use in order to prevent infectious diseases and the like. Since such cleaning and disinfection generally uses liquid, if the endoscope is not sealed due to damage to the outer skin or loose connection, liquid such as water or cleaning liquid may enter the interior. There is a risk of causing failure of the electrical system including the image sensor. For this reason, it is necessary to perform a leak test in advance when performing cleaning and disinfection processing for an endoscope.
- the internal pressure of the object after injecting the pressurized air is not limited to when the compressed air leaks, but the compressed air is thermally contracted as the object changes in temperature due to the influence of the ambient temperature. Or it fluctuates also when thermally expanded.
- Japanese Patent Laid-Open No. 2003-186551 describes the temperature of an object to be inspected by heated or cooled water.
- a technique is disclosed in which a leak determination is performed after control following the temperature.
- the present invention has been made in view of the above circumstances, and provides a leak tester and an endoscope reprocessor capable of accurately performing automatic leak determination with a simple structure even when the temperature of an object is different from the ambient temperature.
- the purpose is to do.
- a leak tester includes a connection portion that is connected to be able to communicate with the inside of an object, an air supply portion that supplies gas to the inside of the object via the connection portion, An internal pressure measuring unit that measures internal pressure, a temperature measuring unit that measures the surface temperature of the object, and a change in the surface temperature of the object within a predetermined range, so that the object is at least during measurement by the internal pressure measuring unit. And a constant temperature part for supplying energy toward the surface of the substrate.
- An endoscope reprocessor includes the leak tester according to claim 7, wherein the object is an endoscope, and the connection portion communicates with the inside of the endoscope. It has a connection part, and the above-mentioned storage part is a processing tub for making the above-mentioned endoscope contact chemicals. Contact here includes, for example, both the act of immersing the endoscope and the act of showering the endoscope.
- FIG. 1 is a block diagram showing a basic configuration of a leak tester connected to an endoscope according to a first embodiment of the present invention. Same as above, flowchart showing a leak determination routine for an endoscope The block diagram which shows the basic composition of the leak tester connected to the endoscope concerning the 2nd Embodiment of this invention. The block diagram which shows the basic composition of the leak tester connected to the endoscope concerning a 1st modification same as the above. The block diagram which shows the basic composition of the leak tester connected to the endoscope concerning a 2nd modification same as the above. The block diagram which shows the basic composition of the leak tester connected to the endoscope concerning a 3rd modification same as the above.
- FIG. 1 is a block diagram showing a basic configuration of a leak tester connected to the endoscope
- FIG. 2 is a flowchart showing a leak determination routine for the endoscope.
- a leak tester 1 of the present embodiment shown in FIG. 1 is a leak tester that performs a leak determination using, for example, a medical endoscope 2 as an object.
- the leak tester 1 includes a leak tester body 5 and a surface temperature of the endoscope 2.
- the endoscope 2 as a leak determination target includes a long and thin insertion portion 10 having flexibility, an operation portion 11 connected to the proximal end side of the insertion portion 10, and a side portion of the operation portion 11.
- An extended connecting cord (universal cord) 12 having flexibility, a connector portion 13 provided at an end of the connecting cord 12 and detachably connected to a light source device (not shown), and the connector portion 13
- an electrical connector portion 14 provided on the side portion and detachably connectable to a video processor (not shown) via a signal cable.
- the insertion portion 10 includes a flexible flexible tube portion 15 having flexibility, a bending portion 16 that is provided on the distal end side of the flexible tube portion 15 and can be bent by the operation of the operation portion 11, and the bending portion 16. And a distal end portion 17 provided with an observation optical system, an illumination optical system, and the like (not shown).
- the distal end portion 17 is provided with an air / water supply nozzle 20a for ejecting the cleaning liquid or gas supplied from the air / liquid supply tube 20 toward the optical member on the outer surface of the observation optical system (not shown). Further, the distal end portion 17 is provided with a suction port 21a that is an opening on the distal end side of the treatment instrument channel 21 for performing insertion of the treatment instrument and suction of liquid in the body. Furthermore, the distal end portion 17 is provided with a liquid supply port 22a for ejecting the liquid supplied from the forward water supply liquid supply tube 22 toward the observation object.
- the operation unit 11 includes an air supply / water supply operation button for performing an air supply operation and a water supply operation, a suction operation button for performing a suction operation, a bending operation knob for performing a bending operation of the bending unit 16, and a video.
- a plurality of remote switches (none of which are shown) for remotely operating the processor are provided, and a treatment instrument insertion port 21 b which is an opening communicating with the treatment instrument channel 21 is further provided.
- the connector 13 includes a gas supply base 25 that is detachably connected to a gas supply source built in a light source device (not shown), and a water supply tank pressure that is detachably connected to a water supply tank (not shown) that is a liquid supply source.
- a base 26 and a liquid supply base 27 are provided.
- a suction base 28 connected to a suction source (not shown) for performing suction from the suction port 21 a is provided on the back side of the water supply tank pressurization base 26 and the liquid supply base 27.
- an injection cap 29 connected to a water supply means (not shown) for supplying water from the liquid supply port 22a.
- the connector part 13 is provided with a ventilation part 30.
- the ventilation portion 30 includes a space portion 32 in a watertightly closed region between an outer surface of a pipe line inserted into the endoscope 2 and an exterior member (outer skin portion) of the endoscope 2, This is a communication hole for communicating with the outside of the endoscope.
- a waterproof cap 31 is detachably attached to the ventilation portion 30, whereby the space portion 32 is watertightly closed when the endoscope 2 is used.
- the endoscope 2 configured in this way is heated by using the body temperature of the subject, the heat generated by the electrical components, illumination light, and the like as a heat source, and thus the temperature immediately after use is usually higher than the ambient temperature. It becomes high temperature.
- the leak tester body 5 has an air pump 50 as an air supply unit.
- the air pump 50 is, for example, a diaphragm type air pump, and one end side of an air supply pipe 51 is connected to a discharge port of the air pump 50.
- a connector 52 as a connecting portion is provided on the other end side of the air supply conduit 51.
- This connector 52 has a configuration that is detachable from the ventilation portion 30 provided in the connector portion 13 of the endoscope 2, and is connected to the ventilation portion 30 formed in the waterproof cap 31, thereby supplying air.
- the duct 51 can be communicated with the inside of the endoscope 2 (space portion 32).
- an on-off valve 53 is interposed in the middle of the air supply pipe 51.
- the on-off valve 53 is opened and closed in response to a control signal from the control unit 8, and when in the valve open state, the upstream side pipe part 51 a of the air supply pipe line 51 (that is, the pipe part on the air pump 50 side). And the downstream side pipe part 51b (that is, the pipe part on the connector 52 side) are communicated with each other.
- the gas from the air pump 50 can be introduced into the space 32 of the endoscope 2.
- the gas is not particularly limited, and for example, air can be used.
- the gas may be a compressed gas.
- the upstream side pipe part 51a and the downstream side pipe part 51b of the air supply pipe line 51 are shut off (on the air pump 50 side).
- the downstream side pipe part 51 b of the air supply pipe 51 can form a closed space integrated with the space part 32 of the endoscope 2.
- an air release valve 54 and a relief valve 55 are provided in the upstream side pipe portion 51 a of the air supply pipe 51.
- the air release valve 54 is opened and closed in response to a control signal from the control unit 8, and when the valve is in an open state, opens the upstream pipe portion 51 a to the atmosphere.
- the relief valve 55 is mechanically opened when the pressure in the pipe line of the upstream pipe part 51a becomes an overpressure state equal to or higher than a preset pressure, and the upstream pipe part 51a is opened to the atmosphere. It can be opened.
- a gauge pressure sensor 56 for measuring the pressure in the pipe of the air supply pipe 51 is provided in the downstream pipe section 51 b of the air supply pipe 51.
- the gauge pressure sensor 56 measures the internal pressure of the endoscope 2 that is a target for leak determination. It is possible to act as an internal pressure measuring unit for measuring.
- the temperature measuring unit 6 is configured by a temperature sensor including a thermocouple or a resistance temperature detector, for example.
- the temperature measuring unit 6 is arranged so as to be in contact with the surface of the endoscope 2 that is the object, so that the surface temperature T of the endoscope 2 can be measured.
- the surface temperature T can be indirectly measured by arranging the temperature measuring unit 6 in the non-contact state in the vicinity of the endoscope 2 and adding a predetermined correction to the measurement result.
- the temperature measuring unit 6 may be configured by a non-contact type temperature sensor such as an infrared sensor, and the surface temperature T may be measured by image processing using thermography.
- the constant temperature unit 7 includes, for example, a far infrared irradiation unit 60 capable of supplying far infrared rays to the surface of the endoscope 2.
- far infrared rays are used as the energy, and it is possible to prevent the temperature of the object from being lowered by irradiating the object with the far infrared rays.
- the far-infrared irradiation unit 60 controls the irradiation amount of the far-infrared light by controlling the ratio of the ON time for each cycle of the supplied alternating current by the phase control in the control unit 8. By controlling the far-infrared irradiation amount in this way, the far-infrared irradiation unit 60 can keep the surface temperature of the endoscope 2 within a predetermined range.
- the leak determination of the endoscope 2 executed by the control unit 8 will be described according to the flowchart of the leak determination routine of FIG.
- the connector 52 of the leak tester body 5 is connected to the ventilation part 30 of the endoscope 2, and the endoscope 2 is set at a preset position with respect to the temperature measurement part 6 and the constant temperature part 7. It will start later.
- the endoscope 2 which is the object of this embodiment is long, for example, as shown in FIG. 1, it is set to the leak tester 1 in a state of being wound in an annular shape.
- control unit 8 first determines the surface temperature T of the endoscope 2 currently measured by the temperature measurement unit 6 (that is, immediately after the start of the leak determination control) in step S101 as the target temperature Tt. Set as.
- the control unit 8 starts temperature holding control for holding the surface temperature T of the endoscope 2 at the target temperature Tt.
- the temperature holding control is performed based on, for example, the power supply amount to the far infrared irradiation unit 60 (that is, the far infrared irradiation amount to the endoscope 2) based on the target temperature Tt and the current surface temperature T. This is done by feedback control.
- control unit 8 starts supply control of air into the endoscope 2 by the leak tester body 5. That is, the control unit 8 controls the opening / closing of the on-off valve 53 and also controls the opening of the air release valve 54 and then drives the air pump 50 to start supplying air into the endoscope 2. .
- the control unit 8 checks whether or not a set time t0 or more has elapsed since the start of air supply.
- the set time t0 is set to a time sufficient to increase the internal pressure P of the endoscope 2 to a preset pressure P0 by supplying air from the air pump 50, for example.
- step S104 If it is determined in step S104 that the elapsed time from the start of air supply is equal to or longer than the set time t0, the control unit 8 proceeds to step S109, and an obvious leak has occurred in the endoscope 2. After the determination, the process proceeds to step S110.
- step S104 when it is determined in step S104 that the elapsed time from the start of air supply is less than the set time t0, the control unit 8 proceeds to step S105 and measures the internal pressure P of the endoscope 2 measured by the gauge pressure sensor 56. It is checked whether or not the pressure reaches the set pressure P0.
- step S105 the control part 8 returns to step S104.
- step S105 if it is determined in step S105 that the internal pressure P of the endoscope 2 has reached the set pressure P0, the control unit 8 proceeds to step S106, stops the air pump 50 and ends the air supply control.
- the control valve 53 is controlled to be closed so that air is sealed in the space portion 32 of the endoscope 2 and in the downstream pipe portion 51 b of the air supply pipe 51.
- control part 8 investigates whether the preset leak determination time t1 passed after sealing air.
- step S107 If it is determined in step S107 that the leak determination time t1 has not yet elapsed, the control unit 8 stands by.
- step S107 when it is determined in step S107 that the leak determination time t1 has elapsed, the control unit 8 proceeds to step S108, and the internal pressure P of the endoscope 2 from when the air is sealed until the leak determination time t1 elapses. After determining whether or not a leak has occurred in the endoscope 2 based on this change, the process proceeds to step S110.
- step S108 or step S109 to step 110 the control unit 8 stops the power supply to the far-infrared irradiation unit 60 and ends the temperature holding control for the endoscope 2, and in the subsequent step S111, the control is performed. After opening the valve 53 and the atmosphere release valve 54 to release the air in the endoscope 2 to the atmosphere, the routine is terminated.
- the air supply conduit 51 is connected to the space portion 32 inside the endoscope 2 to supply air, and leakage occurs based on the change in the internal pressure of the endoscope 2 due to the air.
- the temperature Tt is equal to the ambient temperature. Even when they are different from each other, it is possible to prevent an erroneous determination due to an internal pressure change or the like due to thermal contraction of air, and to perform an automatic leak determination with high accuracy in a short time.
- the endoscope 2 itself By suppressing the temperature change, the influence of the ambient temperature on the endoscope 2 can be accurately eliminated, and the automatic leak determination can be performed with high accuracy in a short time.
- the leak tester 1 of the present embodiment makes a leak determination while keeping the temperature of the endoscope 2 not following the ambient temperature. Automatic leak determination can be started in a short time, and high determination accuracy can be ensured.
- FIG. 3 relates to a second embodiment of the present invention
- FIG. 3 is a block diagram showing a basic configuration of a leak tester connected to an endoscope.
- the present embodiment mainly differs in that the surface temperature T is maintained at the target temperature Tt by heating the atmosphere of the endoscope 2 or the like.
- a same sign is attached
- the constant temperature unit 7 of the present embodiment includes, for example, a heater 65 as a heat source unit capable of heating the atmosphere of the endoscope 2.
- the heater 65 is constituted by a heating wire heater, for example, and can be disposed in the vicinity of the endoscope 2.
- the heater 65 is feedback-controlled by the control unit 8 based on the target temperature Tt and the surface temperature T of the endoscope 2 as in the first embodiment. Thereby, the heater 65 can heat the atmosphere of the endoscope 2 and supply thermal energy to the surface of the endoscope 2.
- the heated atmosphere has a mechanism that can quickly reach the endoscope 2.
- the endoscope accommodating portion of the leak tasta itself or the accommodating portion for accommodating the leak tester and the endoscope has a shape that easily causes gas convection.
- a leak tester in combination with a blower unit that causes gas convection.
- the heat source part in the vicinity of the endoscope.
- FIG. 4 relates to a first modification of the present embodiment
- FIG. 4 is a block diagram showing a basic configuration of a leak tester connected to the endoscope.
- the constant temperature unit 7 includes an air supply pump 70 as an air supply unit for supplying air toward the endoscope 2, and an air supply unit connected to the air supply pump 70. It has a passage 71 and a heater 72 as a heat source part interposed in the middle of the air supply passage 71.
- the constant temperature unit 7 is arranged so that the air blowing port 71 a that opens at the downstream end of the air supply passage 71 is directed to the endoscope 2, so that the air heated by the heater 72 is removed from the endoscope 2. It can be supplied as an atmosphere around.
- the leak tester 1 desirably has a housing portion 75 for housing the endoscope 2.
- a downstream side of the air supply passage 71 is connected to the accommodating portion 75, and a blower opening 71 a that opens at the downstream end of the air supply passage 71 is disposed so as to face the endoscope 2 in the accommodating portion 75.
- the accommodating portion 75 is provided with an exhaust port 76 for discharging the air surplus due to the ventilation from the constant temperature portion 7.
- the exhaust port 76 is provided in the lower part of the storage unit 75. By configuring in this way, the exhaust port 76 is supplied from the constant temperature unit 7. Thus, warm air can be efficiently stored in the accommodating portion 75.
- the same temperature as the temperature measured by the temperature measuring unit 6 or a temperature in a predetermined range obtained by adding a predetermined temperature to the measured temperature is adopted as the target temperature Tt.
- FIG. 5 relates to a second modification of the present embodiment
- FIG. 5 is a block diagram showing a basic configuration of a leak tester connected to the endoscope.
- the constant temperature unit 7 includes a second temperature measuring unit 80 on the downstream side of the heater 72 in the air supply passage 71 in addition to the configuration of the first modified example described above.
- control unit 8 performs feedback control on the temperature of the air blown from the constant temperature unit 7, whereby More accurate temperature control can be performed on the surface of the endoscope 2.
- FIG. 6 relates to a third modification of the present embodiment
- FIG. 6 is a block diagram showing a basic configuration of a leak tester connected to the endoscope.
- the constant temperature unit 7 includes a three-way valve 81 on the downstream side of the second temperature measurement unit 80 in the air supply passage 71 in addition to the configuration of the second modification described above. .
- the three-way valve 81 can selectively perform communication, blocking, or air release in the middle of the air supply passage 71 on the downstream side of the second temperature measurement unit 80, for example.
- the air supply passage 71 is suspended in the atmosphere. After opening and the temperature T2 reaches the target temperature Tt, the atmosphere temperature in the accommodating portion 75 can be efficiently controlled by switching the middle of the air supply passage 71 to the communication state.
- the third temperature measurement unit 82 when the third temperature measurement unit 82 is provided in the exhaust port 76 of the housing unit 75 and the temperature T3 measured by the third temperature measurement unit 82 reaches the target temperature Tt. It is also possible to stop the thermostat 7 itself by determining that the entire ambient temperature in the housing 75 has reached the target temperature Tt.
- FIG. 7 relates to a fourth modification of the present embodiment
- FIG. 7 is a block diagram showing a basic configuration of a leak tester connected to the endoscope.
- the constant temperature unit 7 includes a branch passage 85 branched from the downstream side of the second temperature measurement unit 80 in the air supply passage 71 in addition to the configuration of the second modification described above. And a three-way valve 86 interposed at a branch portion between the air supply passage 71 and the branch passage 85.
- the branch passage 85 extends toward the leak tester main body 5 and is arranged such that the second air blowing port 85a opened at the downstream end thereof faces the air intake port 50a of the air pump 50. That is, in this modification, the air blowing port 71a (first air blowing port) that opens at the downstream end of the air supply passage 71 itself faces the endoscope 2 so as to be able to blow air, and opens at the downstream end of the branch passage 85.
- the second air blowing port 85a faces the air intake port 50a of the air pump 50 so that air can be blown.
- the three-way valve 86 is, for example, downstream of the second temperature measuring unit 80, communication only in the middle of the air supply passage 71, communication between the heater 72 side of the air supply passage 71 and the branch passage 85, or air supply passage It is possible to selectively perform communication in the middle of 71 and communication between the heater 72 side of the air supply passage 71 and the branch passage 85.
- a pipe that guides the air exhausted from the exhaust port 76 of the accommodating portion 75 to the intake port 50a of the air pump 50 is provided, and the hot air exhausted from the accommodating portion 75 is supplied to the air pump. 50 may be provided.
- FIG. 8 relates to a fifth modification of the present embodiment
- FIG. 8 is a block diagram showing a basic configuration of a leak tester connected to the endoscope.
- the constant temperature unit 7 is configured to have a Peltier element 90 as a heat source instead of the heater 72 shown in the second modification described above. That is, in the present modification, the constant temperature unit 7 blows air heated by the Peltier element 90 when the surface temperature T of the endoscope 2 is higher than the ambient temperature when performing the leak test, and the endoscope When the surface temperature T of No. 2 is lower than the ambient temperature, the air absorbed by the Peltier element 90 can be blown.
- a first exhaust port 91 that can be opened and closed by a first exhaust valve 93 is provided at the lower portion of the accommodating portion 75.
- a second exhaust port 92 that can be opened and closed by a second exhaust valve 94 is provided in the upper portion of the accommodating portion 75.
- the control unit 8 when the ambient temperature is lower than the target temperature Tt, the control unit 8 performs heat generation control on the Peltier element 90 (that is, acts as a positive heat source unit) and is heated in the housing unit 75. Supply air. At this time, in order to efficiently store the warm air in the accommodating portion 75, the control portion 8 controls the first exhaust valve 93 to open and the second exhaust valve 94 to close.
- the control unit 8 performs heat absorption control on the Peltier element 90 (that is, acts as a negative heat source unit), and supplies the cooled air into the housing unit 75. .
- the control portion 8 controls the first exhaust valve 93 to close and also controls the second exhaust valve 94 to open.
- the Peltier element 90 as a heat source part, not only the endoscope 2 that has become hot due to use, but also the endoscope 2 and the like brought from a cold place are automatically leaked.
- the determination can be performed with high accuracy in a short time.
- FIGS. 9 and 10 relate to a third embodiment of the present invention
- FIG. 9 is a block diagram showing a basic configuration of a leak tester connected to an endoscope in an endoscope reprocessor
- FIG. 10 is an endoscope. It is a perspective view of a mirror reprocessor.
- the endoscope reprocessor is a device that performs a reproduction process on the endoscope.
- the regeneration treatment here is not particularly limited, and is a rinsing treatment with water, a washing treatment for removing dirt such as organic matter, a disinfection treatment for invalidating predetermined microorganisms, a sterilization treatment for eliminating or killing all microorganisms, Or any combination thereof may be used.
- this embodiment demonstrates an example in case the leak tester 1 is applied with respect to the endoscope reprocessor 300.
- An endoscope reprocessor 300 shown in FIG. 10 is a device for cleaning and disinfecting a used endoscope 2.
- the endoscope reprocessor 300 is connected to the device main body 302 and an upper portion thereof, for example, via a hinge (not shown) so as to be opened and closed.
- the main part is constituted by the top cover 303 formed.
- the apparatus main body 302 and the top cover 303 are fixed by, for example, a latch 308 disposed at a position where the apparatus main body 302 and the top cover 303 face each other. It is the composition which becomes.
- a detergent / alcohol tray 311 is disposed in front of the apparatus main body 302 so that it can be pulled out to the front of the apparatus main body 302, for example, at the front of the apparatus main body 302 in the drawing.
- the detergent / alcohol tray 311 includes a detergent tank 311a in which a cleaning agent, which is a liquid used for cleaning the endoscope 2, and a liquid used for drying the endoscope 2 after cleaning and disinfection.
- a cleaning agent which is a liquid used for cleaning the endoscope 2
- a liquid used for drying the endoscope 2 after cleaning and disinfection An alcohol tank 311b in which a certain alcohol is stored is accommodated, and the detergent / alcohol tray 311 can be pulled out, so that each tank 311a, 311b can be replenished with a predetermined liquid.
- the detergent / alcohol tray 311 is provided with two windows 311m.
- the window 311m allows the operator to check the remaining amounts of the cleaning agent and alcohol injected into the tanks 311a and 311b. It is like that.
- a disinfecting liquid tray 312 is disposed on the front surface of the apparatus main body 302, for example, at the upper part of the right half, so that it can be pulled out forward of the apparatus main body 302.
- the disinfecting liquid tray 312 stores two chemical liquid bottles 312a and 312b into which a disinfecting liquid such as an aqueous solution of peracetic acid is used for disinfecting the endoscope 2, and the disinfecting liquid tray 312 is drawn out.
- the two chemical bottles 312a and 312b can be set in a predetermined manner.
- the disinfecting liquid tray 312 is provided with two windows 312m so that the operator can check the remaining amount of the disinfecting liquid injected into each of the chemical liquid bottles 312a and 312b. It has become.
- the drug solution bottles 312a and 312b into which a sterilizing solution is injected can be disposed.
- the sterilizing solution include an aqueous peracetic acid solution.
- a sub operation panel 313 is provided on the front surface of the apparatus main body 302 and above the disinfecting liquid tray 312.
- the sub operation panel 313 includes an indication button for cleaning and disinfecting time and an instruction button for heating the disinfecting liquid. ing.
- a pedal switch 304 for opening a top cover 303 closed on the upper portion of the apparatus main body 302 above the apparatus main body 302 by an operator's stepping operation is disposed at the lower portion of the front surface of the apparatus main body 302 in the drawing. ing.
- setting switches such as a cleaning / disinfection operation start switch and a cleaning / disinfection mode selection switch of the apparatus main body 302 are arranged on the upper surface of the apparatus main body 302, for example, near the right end of the front side where the operator is close.
- a main operation panel 325 is provided, and a receiving unit 365 configured by, for example, RFID, is provided near the left end on the front side close to the operator, which receives information from the approached endoscope 2.
- a water supply hose 399 is connected to a water supply hose 399 connected to a water tap for supplying tap water to the apparatus main body 302 on the upper surface of the apparatus main body 302 and on the back side facing the front surface close to the operator.
- a connection port 331 is provided. Note that a mesh filter for filtering tap water may be disposed in the water supply hose connection port 331.
- a processing tank 440 is provided at a substantially central portion of the upper surface of the apparatus main body 302 as an accommodating portion in which the endoscope accommodating opening can be opened and closed by the top cover 303.
- the processing tank 440 has a first tank main body 440t positioned on the front surface side close to the operator, a bottom surface lower than the first tank main body 440t, and on the back side of the first tank main body 440t. It is comprised by the 2nd tank main body 440d located, and the terrace part 440r continuously provided in the outer periphery of the endoscope accommodating port of the 1st tank main body 440t and the 2nd tank main body 440d.
- the first tank body 440t and the second tank body 440d can be stored when the endoscope 2 is cleaned and disinfected.
- the insertion portion 10 and the universal cord 12 of the endoscope 2 are wound and stored in the first tank body 440t, and the operation section 11 and the connector of the endoscope 2 are connected to the second tank body 440d.
- the part 13 is stored.
- the first tank main body 440t and the second tank main body receive the cleaning liquid, water, alcohol, disinfectant liquid and the like supplied to the first tank main body 440t and the second tank main body 440d.
- a drain outlet 355 for draining from 440d is provided, and the cleaning liquid, water, disinfecting liquid, etc. supplied to the first tank body 440t and the second tank body 440d are provided inside the endoscope 2.
- a circulation port 356 is provided for supplying the liquid again to the first tank body 440t and the second tank body 440d from a water supply circulation nozzle 324 described later through a mesh filter or the like. It has been.
- the circulation port 356 may be provided with a mesh filter for filtering the cleaning liquid or the like.
- a detergent nozzle 322 for supplying a cleaning agent diluted to a predetermined concentration with tap water from the detergent tank 311a to the first tank body 440t and the second tank body 440d on the terrace surface 440rt of the terrace portion 440r, and A disinfecting liquid nozzle 323 for supplying the disinfecting liquid is provided.
- cleaning liquid, water, disinfecting liquid, or the like for supplying water to the first tank body 440t and the second tank body 440d or sucked from the circulation port 356 to the terrace surface 440rt is again used for the first tank body 440t.
- connectors 451 to 454 for supplying cleaning liquid, water, alcohol, disinfecting liquid, air, or the like to the various pipes provided in the endoscope 2 through the cleaning tube are provided on the terrace surface 440rt. Is provided.
- the terrace portion 440r is provided with an endoscope connecting portion 52a as a connecting portion that communicates with the downstream pipe portion 51b of the leak tester main body 5, and this endoscope
- the connection part 52a can communicate with the inside (the space part 32) of the endoscope 2 via the connection pipe line 52b.
- control valves 95 and 96 that are individually controlled to be opened and closed by the control unit 8 are provided in place of the three-way valve 86, respectively. ing.
- each process such as a leak test, cleaning, and disinfection for the endoscope 2 can be performed in a single endoscope reprocessor 300 as a series of processes.
- an endoscope has been described as an example of a leak test object, but the present invention is not limited to this, and a leak test for other various devices, or Of course, the present invention can also be applied to a leak test in various manufacturing processes.
- Specific examples of the object include tires.
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Abstract
Description
Claims (8)
- 対象物の内部に連通可能に接続される接続部と、
前記接続部を介して前記対象物の内部に気体を送気する送気部と、
前記対象物の内圧を測定する内圧測定部と、
前記対象物の表面温度を測定する温度測定部と、
少なくとも前記内圧測定部による測定中は前記対象物の表面に向けてエネルギーを供給して、前記対象物の表面温度の変化を所定範囲に収める恒温部と、を含むことを特徴とするリークテスタ。 - 前記エネルギーは、遠赤外線であり、
前記恒温部は、遠赤外線を照射する遠赤外線照射部を有することを特徴とする請求項1に記載のリークテスタ。 - 前記恒温部は、前記気体の温度を調整する熱源部を有し、
前記エネルギーは、温度調整された前記気体を介して前記対象物に供給されることを特徴とする請求項1に記載のリークテスタ。 - 前記恒温部は、前記気体の温度を調整する熱源部と、温度調整された前記気体を前記対象物に向けて送風する送風部と、を含み、
前記エネルギーは、送風された前記気体を介して前記対象物に供給されることを特徴とする請求項1に記載のリークテスタ。 - 前記送気部は、前記気体を吸入する吸気口を有し、
前記送風部は、温度調整された前記気体を前記対象物に向けて送風する第1送風口と、温度調整された前記気体を前記吸気口に向けて送風する第2送風口と、を有することを特徴とする請求項4に記載のリークテスタ。 - 前記対象物を収容する収容部を備え、
前記恒温部は、前記収容部内の気体の温度を、前記収容部に前記対象物が収容された所定のタイミングにおける前記対象物の表面温度と同じ温度または、前記表面温度に対して所定の温度を足し引きした所定範囲の温度に制御することを特徴とする請求項1~5に記載のリークテスタ。 - 前記対象物は、内視鏡であることを特徴とする請求項1から6の何れか1項に記載のリークテスタ。
- 前記対象物を内視鏡とする請求項6に記載のリークテスタを含み、
前記接続部は前記内視鏡の内部に連通する内視鏡接続部を有し、
前記収容部は、前記内視鏡を収容する処理槽であることを特徴とする内視鏡リプロセッサ。
Priority Applications (4)
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EP15880064.9A EP3111823A4 (en) | 2015-01-26 | 2015-10-15 | Leak tester and endoscope reprocessor |
JP2016512135A JP5966114B1 (ja) | 2015-01-26 | 2015-10-15 | リークテスタ及び内視鏡リプロセッサ |
CN201580017836.5A CN106163366B (zh) | 2015-01-26 | 2015-10-15 | 泄漏检测器以及内窥镜清洗消毒机 |
US15/283,848 US9820630B2 (en) | 2015-01-26 | 2016-10-03 | Leak tester and endoscope reprocessor |
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JP2015012592 | 2015-01-26 |
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US15/283,848 Continuation US9820630B2 (en) | 2015-01-26 | 2016-10-03 | Leak tester and endoscope reprocessor |
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EP (1) | EP3111823A4 (ja) |
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WO2018041626A1 (de) * | 2016-08-31 | 2018-03-08 | Olympus Winter & Ibe Gmbh | Aufbereitung von chirurgischen instrumenten, insbesondere endoskopen |
JP2020511261A (ja) * | 2017-03-22 | 2020-04-16 | ヒラリー シー アントニオーリ | 差圧を監視する装置および方法 |
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DE102016212672B3 (de) * | 2016-07-12 | 2017-07-06 | Olympus Winter & Ibe Gmbh | Einrichtung zum Prüfen der Dichtigkeit eines chirurgischen Instruments, Aufbereitungseinrichtung zum Aufbereiten von chirurgischen Instrumenten und Verwendung eines quellbaren Materialkörpers |
CN108606767B (zh) * | 2016-12-09 | 2021-12-31 | 深圳市先赞科技有限公司 | 用于内窥镜的整体灭菌方法 |
WO2018163476A1 (ja) * | 2017-03-09 | 2018-09-13 | オリンパス株式会社 | 内視鏡システムおよび内視鏡のリーク検知処理方法 |
DE102017114816A1 (de) * | 2017-07-03 | 2019-01-03 | Olympus Winter & Ibe Gmbh | Verfahren zum Aufbereiten eines Endoskops in einem Aufbereitungsgerät und Aufbereitungsgerät |
WO2019044037A1 (ja) * | 2017-08-28 | 2019-03-07 | オリンパス株式会社 | 内視鏡リークテスト接続具 |
NL2019624B1 (nl) * | 2017-09-25 | 2019-04-01 | Van Vliet Medical Supply B V | Werkwijze om validatie van endoscopen te bereiken |
CN107941434A (zh) * | 2017-10-23 | 2018-04-20 | 广州云新信息技术有限公司 | 一种基于SaaS云平台的智能内镜测漏***及方法 |
WO2020096888A1 (en) * | 2018-11-05 | 2020-05-14 | Medivators Inc. | Endoscope cleaning and inspection system and method |
CN110906846A (zh) * | 2019-12-10 | 2020-03-24 | 邵刚 | 一种高架桥梁的结构变形量内衬式监测警示模组 |
US11937984B2 (en) * | 2020-08-25 | 2024-03-26 | GE Precision Healthcare LLC | Active ingress detection system for medical probes |
CN113639930A (zh) * | 2021-07-28 | 2021-11-12 | 长江三星能源科技股份有限公司 | 塔顶低温腐蚀换热器泄漏内窥镜检测***及内窥镜 |
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Also Published As
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US9820630B2 (en) | 2017-11-21 |
EP3111823A4 (en) | 2018-01-10 |
CN106163366A (zh) | 2016-11-23 |
JPWO2016121171A1 (ja) | 2017-04-27 |
CN106163366B (zh) | 2019-04-09 |
US20170020367A1 (en) | 2017-01-26 |
EP3111823A1 (en) | 2017-01-04 |
JP5966114B1 (ja) | 2016-08-10 |
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