Abstract: An endoscope reprocessor includes: a pump; a port; a tube connected to the port; a connector disposed in the tube and connected to a pipe sleeve of a treatment instrument channel, which is a pipe of an endoscope, and configured to allow a fluid to be leaked from a connection region of the connector to the pipe sleeve to an outer circumferential surface of the pipe sleeve; a valve disposed in a flow path; a pressure sensor configured to measure a pressure of the fluid; and a processor configured to repeatedly control the valve such that the valve is closed when the pressure exceeds a first pressure and the valve is opened when the pressure is lower than a second pressure, and determine a feeding state of the fluid based on a time period until an opening/closing number of the valve reaches a predetermined number more than one.

Abstract: A liquid feeding conduit includes: a tube body of a cleaning tube through which a fluid passes; an endoscope-side connector provided at an end of the tube body, the endoscope-side connector being connected to a conduit cap of an endoscope conduit; a valve element provided in the endoscope-side connector, the valve element being configured to move toward a side of the conduit cap by a supply pressure of the fluid to thereby watertightly connect the endoscope-side connector and the conduit cap; a spring configured to bias the valve element toward an opposite side of the conduit cap; and a buffer unit configured to delay the movement of the valve element toward the side of the conduit cap.

Abstract: An endoscope reprocessor includes a bottle connecting instrument and a nozzle. The bottle connecting instrument includes a first advancing and retracting member which shuts off a first flow path at a first position and opens the first flow path at a second position; a first fitting member; and a first retaining member which retains the first advancing and retracting member. The nozzle includes a second advancing and retracting member which shuts off the nozzle at a third position and opens the nozzle at a forth position, a second fitting member to be fitted with the first fitting member, and a second retaining member which retains the second advancing and retracting member.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a pressure resistant container in which the concentration sensor is housed, a medicinal-solution lead-in section configured to introduce a medicinal solution into the pressure resistant container, and a pressure adjusting section configured to adjust pressure such that an internal pressure of the concave section is low compared with an internal pressure of the pressure resistant container.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a medicinal solution tank, to an inside of which at least the permeable membrane is exposed and on the inside of which a disinfection solution is stored, and a heating section configured to heat at least the permeable membrane.

Abstract: An endoscope cleaning/disinfecting apparatus includes an endoscope connection section, a liquid supply conduit, a gas feeding conduit, a first gas feeding section, a first exhaust section, and a control section that performs a step of filling the gas feeding conduit with a cleaning liquid, a step of opening the first exhaust section, a step of allowing a gas to flow from the first gas feeding section to the endoscope connection section and feeding a two-phase gas-liquid fluid with which the gas feeding conduit is filled into the conduit of the endoscope and a step of closing the first exhaust section a predetermined time after allowing the gas to flow.

Abstract: An endoscope reprocessor includes: a concentration meter including a housing including a hollow, an osmosis membrane covering the hollow, and internal liquid stored in the hollow; a tank configured to store measurement target liquid and holding the concentration meter so that the osmosis membrane is in contact with the measurement target liquid; a first adjusting portion configured to adjust a pressure of the internal liquid; a second adjusting portion configured to adjust a pressure of the measurement target liquid; a controlling portion configured to control the first adjusting portion and the second adjusting portion.

Abstract: A linear member delivery device for the endoscope includes: a nozzle including an inlet, an outlet, and an insertion path; a fitting portion fitted to an endoscope; a holding portion configured to hold a linear member; and a switching portion configured to connect the fitting portion and the nozzle such that a crossing angle of an opening of the endoscope and a center axis of the nozzle can be switched to a plurality of angles in a state that the fitting portion is fitted to the endoscope.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a medicinal solution tank, to an inside of which at least the permeable membrane is exposed and on the inside of which a disinfection solution is stored, and a heating section configured to heat at least the permeable membrane.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a pressure resistant container in which the concentration sensor is housed, a medicinal-solution lead-in section configured to introduce a medicinal solution into the pressure resistant container, and a pressure adjusting section configured to adjust pressure such that an internal pressure of the concave section is low compared with an internal pressure of the pressure resistant container.

Abstract: A linear member transfer apparatus includes: a linear member housing portion having a bottomed cylindrical shape and including: a bottom portion; an opening; a side wall; a restriction portion that is a diaphragm disposed on a position at a predetermined distance from the bottom portion and that has an inner diameter smaller than an inner diameter of the bottom portion; a first chamber configured to house a linear member in a wound state; and a second chamber configured to house the linear member in an extended state; a transfer portion configured to transfer the linear member; and a guide.

Abstract: A concentration meter invention includes a housing having a cavity, an electrode accommodated in the cavity, a permeation membrane that has a measurement surface that contacts a measurement target, a releasing surface that releases the measurement target that enters from the measurement surface into the cavity, and a plurality of holes that open to the measurement surface and the releasing surface, and are for the measurement target to enter, and seals the cavity, an internal liquid that is sealed in the cavity, and contacts the electrode and the permeation membrane, an adjustment section that applies a mechanical load to the permeation membrane so that opening areas of the holes in at least the measurement surface reversibly increase or decrease, and a control section that is connected to the adjustment section, and controls change of strength of the mechanical load that is applied to the permeation membrane.

Abstract: An endoscope cleaning/disinfecting apparatus includes an endoscope connection section, a liquid supply conduit, a gas feeding conduit, a first gas feeding section, a first exhaust section, and a control section that performs a step of filling the gas feeding conduit with a cleaning liquid, a step of opening the first exhaust section, a step of allowing a gas to flow from the first gas feeding section to the endoscope connection section and feeding a two-phase gas-liquid fluid with which the gas feeding conduit is filled into the conduit of the endoscope and a step of closing the first exhaust section a predetermined time after allowing the gas to flow.

Abstract: A linear member delivery device for the endoscope includes: a nozzle including an inlet, an outlet, and an insertion path; a fitting portion fitted to an endoscope; a holding portion configured to hold a linear member; and a switching portion configured to connect the fitting portion and the nozzle such that a crossing angle of an opening of the endoscope and a center axis of the nozzle can be switched to a plurality of angles in a state that the fitting portion is fitted to the endoscope.

Abstract: A linear member transfer apparatus includes: a linear member housing portion having a bottomed cylindrical shape and including: a bottom portion; an opening; a side wall; a restriction portion that is a diaphragm disposed on a position at a predetermined distance from the bottom portion and that has an inner diameter smaller than an inner diameter of the bottom portion; a first chamber configured to house a linear member in a wound state; and a second chamber configured to house the linear member in an extended state; a transfer portion configured to transfer the linear member; and a guide.

Abstract: An endoscope cleaning/disinfecting apparatus includes an endoscope connection section, a liquid supply conduit, a gas feeding conduit, a first gas feeding section, a first exhaust section, and a control section that performs a step of filling the gas feeding conduit with a cleaning liquid, a step of opening the first exhaust section, a step of allowing a gas to flow from the first gas feeding section to the endoscope connection section and feeding a two-phase gas-liquid fluid with which the gas feeding conduit is filled into the conduit of the endoscope and a step of closing the first exhaust section a predetermined time after allowing the gas to flow.

Abstract: An endoscope reprocessor of the present invention includes a reservoir configured to store a solution, a fluid supply section configured to supply the solution into the reservoir, a fluid discharge section configured to discharge the solution from the reservoir, a recessed pool section fixed inside the reservoir and having a bottom surface positioned below an opening section in a gravitational direction, and a concentration meter including a permeable membrane having a first surface exposed inside the pool section, at least a part of the first surface being positioned below the opening section in the gravitational direction, an accommodation section having a container shape and including a part of a second surface of the permeable membrane as an inner surface, the second surface being on an opposite side to the first surface, internal liquid accommodated in the accommodation section, and an electrode accommodated in the accommodation section.

Abstract: An endoscope reprocessor includes: a concentration meter including a housing including a hollow, an osmosis membrane covering the hollow, and internal liquid stored in the hollow; a tank configured to store measurement target liquid and holding the concentration meter so that the osmosis membrane is in contact with the measurement target liquid; a first adjusting portion configured to adjust a pressure of the internal liquid; a second adjusting portion configured to adjust a pressure of the measurement target liquid; a controlling portion configured to control the first adjusting portion and the second adjusting portion.

Abstract: A concentration meter invention includes a housing having a cavity, an electrode accommodated in the cavity, a permeation membrane that has a measurement surface that contacts a measurement target, a releasing surface that releases the measurement target that enters from the measurement surface into the cavity, and a plurality of holes that open to the measurement surface and the releasing surface, and are for the measurement target to enter, and seals the cavity, an internal liquid that is sealed in the cavity, and contacts the electrode and the permeation membrane, an adjustment section that applies a mechanical load to the permeation membrane so that opening areas of the holes in at least the measurement surface reversibly increase or decrease, and a control section that is connected to the adjustment section, and controls change of strength of the mechanical load that is applied to the permeation membrane.

Abstract: An endoscope reprocessor of the present invention includes a reservoir configured to store a solution, a fluid supply section configured to supply the solution into the reservoir, a fluid discharge section configured to discharge the solution from the reservoir, a recessed pool section fixed inside the reservoir and having a bottom surface positioned below an opening section in a gravitational direction, and a concentration meter including a permeable membrane having a first surface exposed inside the pool section, at least a part of the first surface being positioned below the opening section in the gravitational direction, an accommodation section having a container shape and including a part of a second surface of the permeable membrane as an inner surface, the second surface being on an opposite side to the first surface, internal liquid accommodated in the accommodation section, and an electrode accommodated in the accommodation section.